CN211059386U - Full-sealed U-shaped pneumatic gate valve - Google Patents
Full-sealed U-shaped pneumatic gate valve Download PDFInfo
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- CN211059386U CN211059386U CN201921892336.8U CN201921892336U CN211059386U CN 211059386 U CN211059386 U CN 211059386U CN 201921892336 U CN201921892336 U CN 201921892336U CN 211059386 U CN211059386 U CN 211059386U
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Abstract
The utility model relates to a pneumatic push-pull valve of totally enclosed U type, including valve body and picture peg, the picture peg is U type picture peg, and U type picture peg activity sets up in the U type space between valve body and screw conveyer casing discharge gate, and the structure of switching motion is for can being along the axial direction of screw conveyer casing to U type picture peg. The utility model discloses a totally enclosed U type pneumatic gate valve for screw conveyer, picture peg are U type structure, and with screw conveyer's tubulose shell fit, the transported substance material is not deposited in the valve body, the switch freely.
Description
Technical Field
The utility model relates to a screw conveyer's push-pull valve especially relates to the pneumatic push-pull valve of totally enclosed U type.
Background
The gate valve is a small device ideal for throttling and controlling flow of powdery materials, small-particle materials and the like, and the control mode of the device is divided into three types, namely manual control, electric control and pneumatic control. The gate valve used in the screw conveyor is generally connected with the screw conveyor through a flange at one end and connected with a chute of a discharger through a flange at the other end for throttling the material. The gate valve is supporting with the tripper feed inlet, and present gate valve is square or circular flat board, can appear the stock problem in the in-service use, and sealed effect is not good. Manual labor can be increased by manual driving, and the working efficiency is low; the time for opening and closing the valve by adopting electric drive is longer.
Disclosure of Invention
Utility model purpose:
the utility model provides a screw conveyer's push-pull valve through two drive arrangement, realizes that U type picture peg is the switching motion, and its purpose is solved the problem that exists in the past.
The technical scheme is as follows:
the utility model provides a pneumatic push-pull valve of totally enclosed U type, includes valve body and picture peg, the picture peg is U type picture peg, and U type picture peg activity sets up in the U type space between valve body and screw conveyer casing discharge gate, and U type picture peg and screw conveyer casing body paste and surely cooperate, and U type picture peg is for can be along the axial direction of screw conveyer casing body the structure of on-off motion (doing axial displacement and realizing the switch). The stroke of the U-shaped inserting plate is the stroke which can realize the switching function at the discharge port of the shell of the screw conveyor.
One end of the U-shaped gap is a sealing end, the other end of the U-shaped gap is an opening end, and the U-shaped inserting plate can do reciprocating motion relative to the opening end (namely, the U-shaped inserting plate moves along the axial direction of the shell of the spiral conveyer and does motions of extending out the opening end and retracting the opening end), namely, the U-shaped inserting plate does switching motion.
The sealing flange that sets up on the valve body forms sealed end with the screw conveyer casing, belongs to prior art. The sealing end limits the movement of the U-shaped inserting plate.
One end of the valve body is a U-shaped opening matched with the U-shaped inserting plate as the upper end shown in figure 2, the valve body is connected with the shell of the spiral conveyer through a valve body connecting seat arranged at two sides of the U-shaped opening (two sides perpendicular to the moving direction of the U-shaped inserting plate), and the other end of the valve body is fixedly connected with the chute through an outlet flange.
The U-shaped opening of the valve body is also provided with a slideway, and the U-shaped inserting plate is welded with an inserting plate guide post which can slide along the slideway.
The slide is a round steel, and the picture peg guide post is two parallel arrangement's round steel, has the space between two round steel of picture peg guide post, and a round steel of slide can block into in the space, three round steel axial parallel arrangement, two round steel of picture peg guide post can be on the slide reciprocating sliding. The diameter of the round steel of the inserting plate guide post is smaller than that of the round steel of the slideway.
A sealing flange is arranged on the valve body corresponding to the opening end of the U-shaped gap A and used for sealing a gap between the U-shaped inserting plate and the valve body, the sealing flange is arranged at the bottom of the U-shaped inserting plate shown in figure 2, a sealing pressing plate is arranged on the sealing flange, and a sealing felt is arranged between the sealing flange and the sealing pressing plate. Prevent powder leakage and has good sealing property.
And sealing rubber plates are arranged at the positions, contacting with the U-shaped inserting plates, of the periphery of the discharge port of the shell of the screw conveyor.
When the U-shaped inserting plate is closed, the U-shaped inserting plate is in airtight contact with the shell of the spiral conveyor through the sealing rubber plate, and the sealing rubber plate is an elastic rubber plate. The rubber plate with better elasticity is used for sealing, so that powder leakage is prevented, and the sealing performance is good.
The valve body is characterized by further comprising a driving device, the driving device is pneumatically driven, two ends of a cylinder of the driving device are fixed on the valve body through a cylinder support, and a piston rod in the cylinder is connected with the U-shaped inserting plate to drive the U-shaped inserting plate to perform switching motion. Two pneumatic drives are symmetrically arranged by taking the axis of the U-shaped inserting plate as an axis. The double-cylinder drive is adopted, the torque is large, the operation is stable, and the valve is the best choice for distributing materials by a screw conveyor or a circular pipeline.
The U-shaped plugboard is symmetrically welded with connecting sheets, the air cylinder is connected with the connecting sheets through Y-shaped forks, and the Y-shaped forks are air cylinder accessories and drive the U-shaped plugboard to perform switching motion.
The valve body connecting seat is connected with the screw conveyer shell through a bolt.
The advantages and effects are as follows:
the utility model discloses a totally enclosed U type pneumatic gate valve for screw conveyer, picture peg are U type structure, and with screw conveyer's tubulose shell fit, the transported substance material is not deposited in the valve body, the switch freely.
The utility model discloses a double cylinder drive, moment is big, operates steadily.
The utility model discloses the action is nimble, compact structure, simple to operate, and the leakproofness is good, is the best choice of screw conveyer or the used valve of circular pipeline distribution material.
Drawings
FIG. 1 is a side view of the structure of the present invention;
fig. 2 is a front view of the structure of the present invention;
FIG. 3 is a top view of the present invention without the auger housing attached;
FIG. 4 is an exploded view of the slit;
1. the device comprises a valve body, 2, a U-shaped inserting plate, 3, a slide way, 4, an outlet flange, 5, a valve body connecting seat, 6, an inserting plate guide post, 7, an air cylinder, 7-1, a piston rod, 8, an air cylinder support, 9, a connecting piece, 10, a Y-shaped fork, 11, a sealing flange, 12, a sealing pressing plate, 13, a sealing felt, 14, a chute, 15, a spiral conveyer shell, 16, a sealing rubber plate, A and a gap.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-4, a totally enclosed U-shaped pneumatic gate valve comprises a valve body 1 and a gate, wherein the gate is a U-shaped gate 2, the U-shaped gate 2 is movably arranged in a U-shaped gap a between the valve body 1 and a discharge port of a spiral conveyer housing 15, the U-shaped gate 2 is in close fit with the spiral conveyer housing 15, and the U-shaped gate 2 is a structure (which can move axially to realize switching) which can move on and off along the axial direction of the spiral conveyer housing 15. The stroke of the U-shaped inserting plate is the stroke which can realize the switching function at the discharge port of the shell 15 of the screw conveyer.
One end of the U-shaped gap is a sealed end, the other end of the U-shaped gap is an open end (as shown in fig. 1, the end facing the viewer shown in fig. 4 is an open end, and the other end is a sealed end), and the U-shaped inserting plate 2 can reciprocate relative to the open end (i.e. move along the axial direction of the screw conveyor housing 15, and move to extend and retract the open end, and move perpendicular to the drawing surface of fig. 4), so that the U-shaped inserting plate 2 can perform opening and closing movement.
The sealing flange arranged on the valve body 1 and the screw conveyer shell 15 form a sealing end, which belongs to the prior art, and can also be sealed by other methods, and the sealing end limits the movement of the U-shaped inserting plate 2.
One end (the upper end shown in figure 2) of the valve body 1 is a U-shaped opening (shown in figure 4) matched with the U-shaped inserting plate 2, the valve body 1 is connected with a spiral conveyer shell 15 through a valve body connecting seat 5 arranged on two sides (two sides perpendicular to the moving direction of the U-shaped inserting plate 2, and also can be considered that a connecting line of the two sides is perpendicular to the moving direction of the U-shaped inserting plate 2) of the U-shaped opening, and the other end of the valve body 1 is fixedly connected with a chute 14 through an outlet flange 4.
The U-shaped opening of the valve body 1 is further provided with a slideway 3, the U-shaped inserting plate 2 is welded with an inserting plate guide post 6, and the inserting plate guide post 6 can slide along the slideway 3.
Slide 3 is a round steel, and picture peg guide post 6 is two parallel arrangement's round steel, has the space between two round steels of picture peg guide post 6, and a round steel of slide 3 can block into in the space, three round steel axial parallel arrangement, and two round steels of picture peg guide post 6 can be on slide 3 reciprocal sliding. The diameter of the round steel of the inserting plate guide post 6 is smaller than that of the round steel of the slide rail 3.
A sealing flange 11 is arranged on the valve body 1 corresponding to the open end of the U-shaped gap a (i.e. the end facing the viewer in fig. 4), the sealing flange 11 is used for sealing the gap between the U-shaped inserting plate 2 and the valve body 1 (i.e. the sealing flange 11 is arranged at the end of the U-shaped opening of the valve body 1), the sealing flange 11 is arranged at the bottom of the U-shaped inserting plate 2 shown in fig. 2, a sealing pressing plate 12 is arranged on the sealing flange 11, and a sealing felt 13 is arranged between the sealing flange 11 and the sealing pressing plate 12. Prevent powder leakage and has good sealing property.
As shown in fig. 3 and 4, a sealing rubber plate 16 is arranged at the position where the periphery of the discharge port of the screw conveyer shell 15 is contacted with the U-shaped inserting plate 2.
When the U-shaped inserting plate 2 is closed, the U-shaped inserting plate 2 is in airtight contact with the shell 15 of the spiral conveyer through the sealing rubber plate 16, and the sealing rubber plate 16 is an elastic rubber plate. The rubber plate with better elasticity is used for sealing, so that powder leakage is prevented, and the sealing performance is good.
As shown in fig. 1-3, the fully-sealed U-shaped pneumatic gate valve further comprises a driving device, the driving device is pneumatically driven, two ends of a cylinder 7 of the driving device are fixed on the valve body 1 through a cylinder support 8, and a piston rod 7-1 in the cylinder 7 is connected with the U-shaped inserting plate 2 to drive the U-shaped inserting plate 2 to perform switching motion. Two pneumatic drives are symmetrically arranged by taking the axis of the U-shaped inserting plate 2 as an axis. The double-cylinder 7 is adopted for driving, the torque is large, the operation is stable, and the valve is the best choice for distributing materials by a screw conveyor or a circular pipeline.
The U-shaped inserting plate 2 is symmetrically welded with connecting pieces 9, the air cylinder 7 is connected with the connecting pieces 9 through a Y-shaped fork 10, and the Y-shaped fork 10 is an air cylinder accessory and drives the U-shaped inserting plate 2 to do opening and closing movement.
The valve body connecting seat 5 is connected with the screw conveyer shell 15 through bolts.
The totally enclosed U-shaped gate valve is different from the existing circular or square flat plate gate valve, one end of the valve body of the totally enclosed U-shaped gate valve is connected with the chute through a flange, and the other end of the valve body of the totally enclosed U-shaped gate valve is directly connected with the shell of the screw conveyor, so that the gate valve is in direct contact with the discharge hole of the screw conveyor, and the defects of poor material storage and poor sealing performance caused by flange connection in the past are avoided. And the valve body of the totally enclosed U-shaped gate valve is connected with the shell of the U-shaped screw conveyer through the valve body connecting seat by using bolts, so that the valve body is convenient to disassemble and clean.
When the device is used, pneumatic driving on two sides of the valve body works simultaneously, the piston rod in the cylinder extends out, the connecting piece drives the U-shaped inserting plate to move, at the moment, the inserting plate guide post welded on the U-shaped inserting plate moves along the slide way, so that the U-shaped inserting plate moves outwards along the opening end of the U-shaped gap A (namely moves rightwards as shown in figures 1 and 3 and moves towards a viewer perpendicular to the drawing as shown in figure 4), the discharge hole of the spiral conveyor shell 15 is opened step by step, communication between the chute and the spiral conveyor shell is realized, and at the moment, the U-shaped inserting plate is opened.
The piston rod in the cylinder retracts to return to the original state, the piston rod in the cylinder drives the U-shaped inserting plate to move through the connecting sheet, at the moment, the inserting plate guide post welded on the U-shaped inserting plate returns to the original position along the slide way, namely, the U-shaped inserting plate moves inwards along the opening end of the U-shaped gap A (namely, moves leftwards as shown in figures 1 and 3 and moves in a direction perpendicular to the drawing plane as shown in figure 4), and at the moment, the U-shaped inserting plate does closing movement.
Claims (8)
1. The utility model provides a pneumatic push-pull valve of totally enclosed U type, includes valve body (1) and picture peg, its characterized in that: the flashboard is a U-shaped flashboard (2), the U-shaped flashboard (2) is movably arranged in a U-shaped gap (A) between the valve body (1) and a discharge hole of the spiral conveyer shell (15), and the U-shaped flashboard (2) is of a structure capable of doing opening and closing movement along the axial direction of the spiral conveyer shell (15).
2. The fully-sealed U-shaped pneumatic gate valve according to claim 1, characterized in that: one end of the U-shaped gap is a sealing end, the other end of the U-shaped gap is an opening end, and the U-shaped inserting plate (2) can reciprocate relative to the opening end, namely the U-shaped inserting plate (2) is opened and closed.
3. The fully-sealed U-shaped pneumatic gate valve according to claim 1, characterized in that: the one end of valve body (1) is for being connected with U type picture peg (2) matched with U type opening, and valve body (1) is connected with screw conveyer casing (15) through valve body connecting seat (5) that U type opening both sides set up, and the other end of valve body (1) passes through outlet flange (4) and elephant trunk (14) fixed connection.
4. The fully-sealed U-shaped pneumatic gate valve according to claim 1, characterized in that: the U-shaped opening of the valve body (1) is further provided with a slideway (3), an inserting plate guide post (6) is welded on the U-shaped inserting plate (2), and the inserting plate guide post (6) can slide along the slideway (3).
5. The fully-sealed U-shaped pneumatic gate valve according to claim 4, characterized in that: the slide way (3) is a round steel, the inserting plate guide post (6) is two round steels arranged in parallel, and the two round steels of the inserting plate guide post (6) can slide on the slide way (3) in a reciprocating mode.
6. The fully-sealed U-shaped pneumatic gate valve according to claim 1, characterized in that: a sealing flange 11 is arranged on the valve body 1 corresponding to the opening end of the U-shaped gap (A), a sealing flange (11) is arranged at the contact position of one moving side of the U-shaped inserting plate (2) and the valve body (1), a sealing pressing plate (12) is arranged on the sealing flange (11), and a sealing felt (13) is arranged between the sealing flange (11) and the sealing pressing plate (12).
7. The fully-sealed U-shaped pneumatic gate valve according to claim 1, characterized in that: and a sealing rubber plate (16) is arranged at the position, contacting with the U-shaped inserting plate (2), of the periphery of the discharge hole of the spiral conveyer shell (15).
8. The fully-sealed U-shaped pneumatic gate valve according to claim 1, characterized in that: the valve also comprises a driving device, two ends of a cylinder (7) of the driving device are fixed on the valve body (1) through a cylinder support (8), and a piston rod (7-1) in the cylinder (7) is connected with the U-shaped inserting plate (2) to drive the U-shaped inserting plate (2) to perform opening and closing movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921892336.8U CN211059386U (en) | 2019-11-05 | 2019-11-05 | Full-sealed U-shaped pneumatic gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921892336.8U CN211059386U (en) | 2019-11-05 | 2019-11-05 | Full-sealed U-shaped pneumatic gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211059386U true CN211059386U (en) | 2020-07-21 |
Family
ID=71590976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921892336.8U Active CN211059386U (en) | 2019-11-05 | 2019-11-05 | Full-sealed U-shaped pneumatic gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211059386U (en) |
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2019
- 2019-11-05 CN CN201921892336.8U patent/CN211059386U/en active Active
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