CN219263241U - Ball valve special for coal powder - Google Patents

Abstract

The utility model provides a special ball valve for pulverized coal, which belongs to the field of pulverized coal ball valves and comprises a spherical valve shell, a controller and a lower fixing bolt, wherein the controller is fixedly arranged on the upper surface of the spherical valve shell, the lower fixing bolt is fixedly arranged on the lower surface of the spherical valve shell, a valve body is fixedly arranged at the lower end of the controller, the spherical valve shell comprises a left fixing shell and a right fixing shell, the left fixing shell and the right fixing shell are detachably and fixedly arranged together, and a spring rubber pad is fixedly arranged on the inner surface of the spherical valve shell.

Description

Ball valve special for coal powder

Technical Field

The utility model relates to the technical field of pulverized coal ball valves, in particular to a special ball valve for pulverized coal.

Background

The coal powder ball valve belongs to the valve design and manufacturing technology of particle material medium transportation, and is widely applied to a diversion and confluence or flow direction switching device taking the coal powder ball valve as a medium in pipelines of coal chemical industry, petrochemical industry, rubber, papermaking, pharmacy and the like.

The utility model with the application number of CN202220583309.8 discloses an electric pulverized coal injection ball valve, wherein strong-pressure springs are arranged at the inner sides of sealing rings at the connecting positions of a valve body and a spherical shell at equal intervals, so that the elasticity of the sealing rings is increased, the technical problem that the connecting positions of the valve body and the spherical shell are gradually enlarged due to corrosion of pulverized coal is solved, but the sealing rings are aged and need to be replaced after the service time is long, the spherical shell is integrally welded and cannot be replaced, and meanwhile, the springs in the sealing rings are separated from the sealing rings and the spherical shell, so that the sealing washers are not easy to be clamped into clamping grooves on the spherical shell under the action of spring force during assembly.

Disclosure of Invention

The utility model provides a special ball valve for pulverized coal, which aims to solve the technical problems that a sealing ring is not easy to replace due to aging and is not easy to be clamped into a clamping groove on a spherical shell under the action of spring force during assembly in the prior art;

the utility model provides a special ball valve for pulverized coal, which adopts the following technical scheme:

the utility model provides a special ball valve of buggy, includes spherical valve shell, controller and lower fixing bolt, the controller fixed mounting is on the upper surface of spherical valve shell, lower fixing bolt fixed mounting is on the lower surface of spherical valve shell, the fixed valve body of controller lower extreme fixed mounting, spherical valve shell includes left fixed shell and right fixed shell, left fixed shell and right fixed shell detachable fixed mounting together, fixed mounting spring rubber pad on the internal surface of spherical valve shell;

further, an upper link ring is arranged at the upper end of the spherical valve shell, a lower fixed ring is arranged at the lower end of the spherical valve shell, the controller is fixedly arranged with the upper link ring, and the lower fixed bolt is fixedly arranged with the lower fixed ring;

furthermore, connecting flanges are arranged on the left side and the right side of the spherical valve shell, positioning grooves and fixed connecting holes are formed in the connecting flanges, and rubber sealing rings are arranged in the positioning grooves;

further, a bolt fixing hole is formed in the upper outer edge of the left fixed shell, a bolt fixing seat is arranged in the outer edge of the right fixed shell, and a fixing bolt is arranged in the bolt fixing hole and the bolt fixing seat to fixedly connect the left fixed shell and the right fixed shell;

further, a positioning groove is formed in the connecting surface of the left fixed shell and the right fixed shell, and an internal sealing ring is arranged in the positioning groove;

further, the spring rubber pad comprises a rubber gasket and a spring rubber seat, a clamping groove is formed in the rubber gasket, a clamping plate is arranged on the spring rubber seat, the clamping plate is clamped into the clamping groove to match the rubber gasket with the spring rubber seat, a pressure spring is fixedly arranged in the clamping groove of the rubber gasket, and the pressure spring is fixedly arranged on the inner side surface of the spring rubber seat;

further, the ball valve shell on control both ends be provided with the through-hole that runs through, the inboard edge of through-hole is provided with the rubber pad fixed slot, be provided with the constant head tank on the rubber pad fixed slot, spring rubber pad one side surface fixed mounting is in above-mentioned constant head tank, opposite side surface and valve body surface close fit.

In summary, the beneficial effects of the utility model are as follows:

1. according to the utility model, the spherical valve shell is arranged into the left fixed shell and the right fixed shell, and then the left fixed shell and the right fixed shell are fixedly connected through the bolts, so that when the rubber pad is aged, a user can detach the left fixed shell and the right fixed shell for replacement;

2. through being provided with the draw-in groove on the rubber gasket, set up the cardboard on the spring rubber seat, make the cardboard card go into above-mentioned draw-in groove with rubber gasket and the cooperation of spring rubber seat together form the spring rubber gasket, spring and rubber gasket in the aforesaid spring rubber gasket are fixed structure as an organic whole, can be light when changing and installing with the spring rubber gasket card go into the rubber gasket fixed slot on the spherical valve shell, avoid when spring and rubber gasket separation design group, the defect that the rubber gasket was popped out the draw-in groove by the spring in the equipment rubber gasket process;

3. according to the ball valve, the sealing rings are arranged between the left fixed shell and the right fixed shell and on the connecting flanges at the two sides, so that the sealing performance of the ball valve is improved during use.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic front view of the present utility model;

FIG. 3 is a schematic diagram of a left side view of the present utility model;

FIG. 4 is a schematic cross-sectional view of the portion A-A of FIG. 3 in accordance with the present utility model;

fig. 5 is an enlarged view of the portion 4 of fig. 4 according to the present utility model.

The following figures are shown: 1-a ball valve housing; 2-a controller; 3-a lower fixing bolt; 4-a spring rubber pad; 101-left fixed housing; 102-right stationary housing; 103-a bolt fixing seat; 104-bolt fixing holes; 105-fixing bolts; 106-linking rings; 107-a lower retaining ring; 108-connecting flanges; 109-a rubber seal ring; 110-an inner seal ring; 111-rubber pad fixing grooves; 201-a valve body; 401-rubber gasket; 402-a spring rubber mount; 403-pressure springs.

Detailed Description

The utility model will be further described with reference to specific examples, illustrative examples and illustrations of which are provided herein to illustrate the utility model, but are not to be construed as limiting the utility model.

Examples: a special ball valve for pulverized coal as shown in fig. 1, 2, 3, 4 and 5.

The implementation principle of the embodiment of the utility model is as follows:

as shown in fig. 1 and 3, a special ball valve for pulverized coal comprises a ball valve shell 1, a controller 2 and a lower fixing bolt 3, wherein the controller 2 is fixedly arranged on the upper surface of the ball valve shell 1, the lower fixing bolt 3 is fixedly arranged on the lower surface of the ball valve shell 1, a valve body 201 is fixedly arranged at the lower end of the controller 2, the ball valve shell 1 comprises a left fixing shell 101 and a right fixing shell 102, the left fixing shell 101 and the right fixing shell 102 are detachably and fixedly arranged together, a spring rubber pad 4 is fixedly arranged on the inner surface of the ball valve shell 1, and when the spring rubber pad 4 is aged after long-time use and needs to be replaced, the left fixing shell 101 and the right fixing shell 102 can be detached for replacement. As shown in fig. 2, the upper end of the spherical valve housing 1 is provided with an upper link ring 106, the lower end is provided with a lower fixing ring 107, the controller 2 is fixedly mounted with the upper link ring 106, and the lower fixing bolt 3 is fixedly mounted with the lower fixing ring 107.

As shown in fig. 4, the left and right sides of the ball valve housing 1 are provided with connecting flanges 108, the connecting flanges 108 are provided with positioning grooves and fixed connecting holes, and rubber sealing rings 109 are arranged in the positioning grooves, and the sealing performance of the ball valve when connected with other structures is improved by additionally arranging the rubber sealing rings 109 on the connecting flanges 108.

As shown in fig. 3, the outer edge of the left fixed casing 101 is provided with a bolt fixing hole 104, the outer edge of the right fixed casing 102 is provided with a bolt fixing seat 103, a fixing bolt 105 is arranged in the bolt fixing hole 104 and the bolt fixing seat 103 to fixedly connect the left fixed casing 101 and the right fixed casing 102, and when the spring rubber pad 4 is replaced, the left fixed casing 101 and the right fixed casing 102 can be separated and replaced only by removing the fixing bolt 105. As shown in fig. 4, a positioning groove is formed on the connection surface of the left fixed housing 101 and the right fixed housing 102, and an internal sealing ring 110 is arranged in the positioning groove, so that the sealing performance of the left fixed housing 101 and the right fixed housing 102 after being fixedly installed is improved.

As shown in fig. 5, the spring rubber pad 4 comprises a rubber gasket 401 and a spring rubber seat 402, a clamping groove is formed in the rubber gasket 401, a clamping plate is arranged on the spring rubber seat 402, the clamping plate is clamped into the clamping groove to match the rubber gasket 401 with the spring rubber seat 402, a pressure spring 403 is fixedly arranged in the clamping groove of the rubber gasket 401, the pressure spring 403 is fixedly arranged on the inner side surface of the spring rubber seat 402, the pressure spring 403 and the rubber gasket 401 are fixedly connected together to form the spring rubber pad 4, the spring rubber pad 4 can be easily clamped into the rubber pad fixing groove 111 on the spherical valve housing 1 when the spring and the rubber pad are replaced and installed, and the defect that the rubber pad is spring-ejected out of the clamping groove in the rubber pad assembling process is avoided when the spring and the rubber pad are separated into a design group. The ball valve shell 1 is provided with the through-hole that runs through from left to right sides both ends, and the inboard edge of through-hole is provided with rubber pad fixed slot 111, is provided with the constant head tank on the rubber pad fixed slot 111, and spring rubber pad 4 one side surface fixed mounting is in above-mentioned constant head tank, and opposite side surface and valve body 201 surface close fit through the structure with the rubber pad design for above-mentioned spring rubber pad 4, has increased the elasticity of rubber pad and has increased the life of rubber pad.

According to the utility model, the spherical valve housing 1 is arranged into the left fixed housing 101 and the right fixed housing 102, and then the left fixed housing 101 and the right fixed housing 102 are fixedly connected through the fixing bolts 105, so that a user can separate the left fixed housing 101 from the right fixed housing 102 for replacement when the rubber pad is aged.

Through being provided with the draw-in groove on rubber gasket 401, set up the cardboard on spring rubber seat 402, make the cardboard card go into the above-mentioned draw-in groove with rubber gasket 401 and spring rubber seat 402 cooperation together form spring rubber pad 4, spring and rubber pad fixed knot in the above-mentioned spring rubber pad 4 constructs as an organic wholely, in the rubber pad fixed slot 111 on can be relaxed card spring rubber pad 4 go into ball valve shell 1 when changing and installing, avoid when spring and rubber pad separation design group, the defect that the spring popped out the draw-in groove by the spring at equipment rubber pad in-process rubber pad.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. Various components mentioned in the present utility model are common in the art, and it should be understood by those skilled in the art that the present utility model is not limited by the above embodiments, and the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications can be made in the present utility model without departing from the spirit and scope of the utility model, which is defined in the claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a special ball valve of buggy, includes ball valve shell (1), controller (2) and lower fixing bolt (3), controller (2) fixed mounting is on the upper surface of ball valve shell (1), lower fixing bolt (3) fixed mounting is on the lower surface of ball valve shell (1), controller (2) lower extreme fixed mounting valve body (201), a serial communication port, ball valve shell (1) are in the same place including left fixed shell (101) and right fixed shell (102), left fixed shell (101) and right fixed shell (102) detachable fixed mounting, fixed mounting spring rubber pad (4) on the internal surface of ball valve shell (1).

2. The ball valve special for pulverized coal according to claim 1, wherein an upper link ring (106) is arranged at the upper end of the spherical valve shell (1), a lower fixed ring (107) is arranged at the lower end of the spherical valve shell, the controller (2) is fixedly installed with the upper link ring (106), and the lower fixed bolt (3) is fixedly installed with the lower fixed ring (107).

3. The ball valve special for pulverized coal according to claim 1 or 2, wherein connecting flanges (108) are arranged on the left side and the right side of the spherical valve shell (1), positioning grooves and fixed connecting holes are formed in the connecting flanges (108), and rubber sealing rings (109) are arranged in the positioning grooves.

4. The ball valve special for pulverized coal as claimed in claim 2, wherein the upper outer edge of the left fixed housing (101) is provided with a bolt fixing hole (104), the outer edge of the right fixed housing (102) is provided with a bolt fixing seat (103), and fixing bolts (105) are arranged in the bolt fixing hole (104) and the bolt fixing seat (103) to fixedly connect the left fixed housing (101) and the right fixed housing (102).

5. The ball valve special for pulverized coal as claimed in claim 1, wherein a positioning groove is arranged on the connecting surface of the left fixed shell (101) and the right fixed shell (102), and an inner sealing ring (110) is arranged in the positioning groove.

6. The ball valve special for pulverized coal according to claim 5, wherein the spring rubber pad (4) comprises a rubber gasket (401) and a spring rubber seat (402), a clamping groove is formed in the rubber gasket (401), a clamping plate is arranged on the spring rubber seat (402), the clamping plate is clamped into the clamping groove to match the rubber gasket (401) with the spring rubber seat (402), a pressure spring (403) is fixedly arranged in the clamping groove of the rubber gasket (401), and the pressure spring (403) is fixedly installed on the inner side surface of the spring rubber seat (402).

7. The ball valve special for pulverized coal according to claim 6, wherein through holes are formed in the left end and the right end of the spherical valve shell (1), rubber pad fixing grooves (111) are formed in the inner edges of the through holes, positioning grooves are formed in the rubber pad fixing grooves (111), one side surface of the spring rubber pad (4) is fixedly arranged in the positioning grooves, and the other side surface of the spring rubber pad is tightly matched with the outer surface of the valve body (201).

Images