CN111895107A - Pneumatic valve for air pipeline - Google Patents

Pneumatic valve for air pipeline Download PDF

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Publication number
CN111895107A
CN111895107A CN202010821977.5A CN202010821977A CN111895107A CN 111895107 A CN111895107 A CN 111895107A CN 202010821977 A CN202010821977 A CN 202010821977A CN 111895107 A CN111895107 A CN 111895107A
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CN
China
Prior art keywords
fixedly connected
pneumatic valve
shell
fixed
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010821977.5A
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Chinese (zh)
Inventor
唐翠华
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Individual
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Individual
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Filing date
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Priority to CN202010821977.5A priority Critical patent/CN111895107A/en
Publication of CN111895107A publication Critical patent/CN111895107A/en
Withdrawn legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/221—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/222—Shaping of the valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/48—Attaching valve members to screw-spindles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209—Check valves or pivoted valves
    • F16K27/0218—Butterfly valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/16—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member
    • F16K31/163—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston
    • F16K31/1635—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston for rotating valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve Housings (AREA)

Abstract

The invention relates to the technical field of pneumatic valves, in particular to a pneumatic valve for an air pipeline, which comprises a first pipeline, a second pipeline and an annular plate, wherein the top of the annular plate is fixedly connected with a fixed pipe, the bottom of the annular plate is fixedly connected with a fixed shell, a vertical rod is rotatably connected inside the fixed shell, the top end of the vertical rod penetrates through the annular plate and the fixed pipe and extends to the top of the fixed pipe, the surface of the vertical rod is sleeved with a sleeve pipe, when the pneumatic valve for the air pipeline is filled with gas, the semicircular plate is driven to rotate in a tooth-pinching mode so as to fill gas, when the gas is not filled, the semicircular plate returns to the original position under the action of the elastic force of a spring to block the filled gas, and when the pneumatic valve is installed, the two annular rings and the annular plate are fixed so as to fix the valve, the annular plate is provided with the sealing ring, so that the connection tightness can be effectively improved.

Description

Pneumatic valve for air pipeline
Technical Field
The invention relates to the technical field of pneumatic valves, in particular to a pneumatic valve for an air pipeline.
Background
The pneumatic valve is driven by compressed air, the pneumatic valve can meet the purchasing requirement only by determining the specification, the category and the working pressure when purchased, can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and is incomplete in the current market economic environment, because pneumatic valve manufacturers perform different innovations under the concept of uniform design of the pneumatic valve for product competition, and form respective enterprise standards and product individuality, so that the technical requirement is provided in detail when the pneumatic valve is purchased, the pneumatic valve is coordinated with manufacturers to obtain consensus, and is necessary as an accessory of the pneumatic valve purchasing contract, the pneumatic valve is generally horizontally arranged in a pipeline, a plurality of groups of combined pneumatic pistons in an actuator are pushed by the compressed air to move, and the characteristics of a force transfer beam and an inner curve track are given, the air-core main shaft is driven to rotate, the compressed air disk is conveyed to each cylinder, the air inlet and outlet positions are changed to change the rotation direction of the main shaft, and the combination number of the cylinders can be adjusted according to the requirement of the rotation torque required by the load (valve) to drive the load (valve) to work.
When the general pneumatic valve is put into use, the valve is controlled to be closed and opened by blending gas, when the gas is not introduced, the valve is inconvenient to close, the air cannot be blocked, and the pneumatic valve is inconvenient to be fixedly connected with a pipeline.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, when a common pneumatic valve is put into use, the valve is controlled to be closed and opened by blending gas, when the gas is not introduced, the valve is inconvenient to close and cannot block the air, and the pneumatic valve and a pipeline are inconvenient to be fixedly connected.
In order to achieve the purpose, the invention adopts the following technical scheme:
the pneumatic valve for the air pipeline comprises a first pipeline, a second pipeline and an annular plate, wherein a fixed pipe is fixedly connected to the top of the annular plate, a fixed shell is fixedly connected to the bottom of the annular plate, a vertical rod is rotatably connected to the inside of the fixed shell, the top end of the vertical rod penetrates through the annular plate and the fixed pipe and extends to the top of the fixed pipe, a sleeve is sleeved on the surface of the vertical rod, semicircular plates are fixedly connected to two sides of the surface of the sleeve, a convex block is fixedly connected to the top of the surface of the vertical rod, a shell is fixedly connected to the top end of the fixed pipe, a movable rod is rotatably connected to the bottom of the inner wall of the shell, the top end of the vertical rod penetrates through the movable rod and extends to the inside of the movable rod, sealing plugs are movably connected to two sides of the inner wall of the shell, a fixed plate is fixedly connected to two opposite sides, and the opposite sides of the two fixing plates are fixedly connected with teeth meshed with the tooth columns, the two sides of the shell are fixedly connected with shells, the opposite sides of the inner walls of the two shells are fixedly connected with springs, and one ends of the springs are fixedly connected with one sides of the sealing plugs.
Preferably, the surface of the sleeve is fixedly connected with the vertical rod through a fixing nail, and the surface of the sleeve is provided with a fixing hole matched with the fixing nail.
Preferably, the sealing rings are fixedly connected to two sides of the annular plate, the movable rod is provided with a through hole matched with the vertical rod, and one side of the through hole is provided with a clamping groove matched with the protruding block.
Preferably, a connecting plate is fixedly connected to one side of the housing, and one side of the connecting plate is fixedly connected to one side of the housing through a fixing screw.
Preferably, the surface of the shell is fixedly connected with a fixed block through a first screw, and the top of the fixed block is communicated with an air inlet pipe.
Preferably, the surface of the housing is provided with a first threaded hole matched with the first screw, and the surface of the housing is provided with a vent hole.
Preferably, the opposite ends of the first pipeline and the second pipeline are fixedly connected with annular rings, the two annular rings are fixedly connected through second screws, and second threaded holes matched with the second screws are formed in the surfaces of the annular rings.
Preferably, the two sides of the surface of the fixed pipe are fixedly connected with connecting blocks, and the two sides of the fixed shell are fixedly connected with mounting plates.
Preferably, the connecting block is fixedly connected with the annular ring through a third screw, a third threaded hole matched with the third screw is formed in the surface of the connecting block, the mounting plate is fixedly connected with the annular ring through a fourth screw, and a fourth threaded hole matched with the fourth screw is formed in the surface of the mounting plate.
Preferably, the top fixedly connected with backup pad of casing to the top fixedly connected with roof of backup pad, the top of movable rod runs through backup pad and roof and extends to the top of roof, the one end fixedly connected with spheroid that the movable rod extends to the roof top.
The pneumatic valve for the air pipeline provided by the invention has the beneficial effects that: when this pneumatic valve for air pipeline lets in gas, adopt tooth engaged with mode to drive the semicircle board and rotate to let in gas, when not letting in gas, under the spring action of spring, will make the semicircle board return the normal position, block the gas that lets in, when the installation, utilize to fix between two rings and the annular slab, thereby accomplish the fixed of valve, be provided with the sealing washer on the annular slab, the leakproofness that can effectual improvement is connected.
Drawings
Fig. 1 is a schematic perspective view of a pneumatic valve for an air duct according to the present invention.
FIG. 2 is a side view of the annular plate structure of the present invention.
Fig. 3 is a cross-sectional view of the housing structure of the present invention.
Fig. 4 is a bottom view of the movable bar structure of the present invention.
Fig. 5 is a schematic structural diagram of the housing of the present invention.
Fig. 6 is a partial enlarged view of the invention at a in fig. 1.
In the figure: the sealing device comprises a first pipeline 1, a second pipeline 2, an annular plate 3, a fixed pipe 4, a fixed shell 5, a vertical rod 6, a sleeve 7, a semicircular plate 8, a convex block 9, a shell 10, a movable rod 11, a sealing plug 12, a fixed plate 13, a tooth post 14, teeth 15, a shell 16, a spring 17, a fixed nail 18, a fixed hole 19, a sealing ring 20, a through hole 21, a clamping groove 22, a connecting plate 23, a first screw 24, a fixed block 25, an air inlet pipe 26, a first threaded hole 27, an air vent 28, an annular ring 29, a second screw 30, a second threaded hole 31, a connecting block 32, a mounting plate 33, a third screw 34, a third threaded hole 35, a fourth screw 36, a fourth threaded hole 37, a support plate 38, a top plate 39 and a sphere 40.
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.
Example 1
Referring to fig. 1 to 6, a pneumatic valve for an air duct includes a first duct 1, a second duct 2, and a ring plate 3, a fixed pipe 4 is fixedly connected to a top of the ring plate 3, and a fixed case 5 is fixedly connected to a bottom of the ring plate 3, a vertical rod 6 is rotatably connected to an inside of the fixed case 5, a top end of the vertical rod 6 penetrates the ring plate 3 and the fixed pipe 4 and extends to a top of the fixed pipe 4, a sleeve 7 is sleeved on a surface of the vertical rod 6, and a semicircular plate 8 is fixedly connected to both sides of a surface of the sleeve 7, a projection 9 is fixedly connected to a top of a surface of the vertical rod 6, and a housing 10 is fixedly connected to a top end of the fixed pipe 4, a movable rod 11 is rotatably connected to a bottom of an inner wall of the housing 10, a top end of the vertical rod 6 penetrates the movable rod 11 and extends to an inside of the movable rod 11, sealing plugs 12 are movably connected, the fixed surface of movable rod 11 is connected with tooth post 14, when letting in gas, adopt tooth 15 engaged with mode to drive half-round plate 8 and rotate, thereby let in gas, and the equal fixedly connected with in one side that two fixed plates 13 are relative and tooth post 14 engaged with tooth 15, the equal fixedly connected with shell 16 in both sides of casing 10, and the equal fixedly connected with spring 17 in one side that two shells 16 inner walls are relative, under spring 17's elastic force effect, will make half-round plate 8 return the normal position, block the gas that lets in, spring 17's one end and one side fixed connection of sealing plug 12.
Example 2
Referring to fig. 2, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the surface of the sleeve 7 is fixedly connected with the vertical rod 6 through the fixing nail 18, and the surface of the sleeve 7 is provided with a fixing hole 19 matched with the fixing nail 18.
Example 3
Referring to fig. 2 and 4, as another preferred embodiment of the present invention, the difference from embodiment 2 is that both sides of the annular plate 3 are fixedly connected with the sealing rings 20, the sealing rings 20 are disposed on the annular plate 3, which can effectively improve the connection tightness, a through hole 21 adapted to the vertical rod 6 is disposed inside the movable rod 11, and a clamping groove 22 adapted to the protrusion 9 is disposed on one side of the through hole 21.
Example 4
Referring to fig. 3, as another preferred embodiment of the present invention, the difference from embodiment 1 is that a connection plate 23 is fixedly connected to one side of the case 16, and one side of the connection plate 23 is fixedly connected to one side of the case 10 by a fixing screw.
Example 5
Referring to fig. 1, as another preferred embodiment of the present invention, the difference from embodiment 4 is that a fixed block 25 is fixedly connected to the surface of the housing 10 by a first screw 24, and an air inlet pipe 26 is communicated with the top of the fixed block 25.
Example 6
Referring to fig. 5, as another preferred embodiment of the present invention, the difference from embodiment 4 is that a first screw hole 27 adapted to the first screw 24 is opened on the surface of the housing 10, and a vent hole 28 is opened on the surface of the housing 10.
Example 7
Referring to fig. 1 and 2, as another preferred embodiment of the present invention, the difference from embodiment 1 is that an annular ring 29 is fixedly connected to each of opposite ends of the first pipe 1 and the second pipe 2, when the valve is installed, the valve is fixed by fixing the two annular rings 29 to the annular plate 3, and the two annular rings 29 are fixedly connected to each other by second screws 30, and second threaded holes 31 adapted to the second screws 30 are opened on the surface of the annular ring 29.
Example 8
Referring to fig. 2, as another preferred embodiment of the present invention, there is a difference from embodiment 1 in that connection blocks 32 are fixedly connected to both sides of the surface of a fixed pipe 4, and mounting plates 33 are fixedly connected to both sides of a fixed case 5.
Example 9
Referring to fig. 1 and 2, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the connection block 32 is fixedly connected to the annular ring 29 by a third screw 34, a third threaded hole 35 adapted to the third screw 34 is opened on the surface of the connection block 32, the mounting plate 33 is fixedly connected to the annular ring 29 by a fourth screw 36, and a fourth threaded hole 37 adapted to the fourth screw 36 is opened on the surface of the mounting plate 33.
Example 10
Referring to fig. 6, as another preferred embodiment of the present invention, the difference from embodiment 1 is that a supporting plate 38 is fixedly connected to the top of the housing 10, a top plate 39 is fixedly connected to the top of the supporting plate 38, the top end of the movable rod 11 penetrates through the supporting plate 38 and the top plate 39 and extends to the top of the top plate 39, and a sphere 40 is fixedly connected to one end of the movable rod 11 extending to the top of the top plate 39.
The working principle is as follows:
the annular plate 3 is fixed between the two annular rings 29 through the second screws 30, then the connecting block 32 and the annular rings 29 are fixed through the third screws 34, the mounting plate 33 and the annular rings 29 are fixed through the fourth screws 36, gas is introduced into the casing 10 through the air inlet pipe 26, the two sealing plugs 12 move in opposite directions under the impact of the gas, the movable rod 11 is driven to rotate under the meshing action of the teeth 15 and the teeth columns 14, the convex block 9 on the vertical rod 6 is clamped in the clamping groove 22 in the movable rod 11, the vertical rod 6 is driven to rotate 90 degrees when the movable rod 11 rotates, the vertical rod 6 drives the semicircular plate 8 to rotate 90 degrees, so that the first pipeline 1 and the second pipeline 2 are communicated, the gas can pass through, when the gas between the first pipeline 1 and the second pipeline 2 is cut off, the gas introduction is stopped, under the elastic force of the spring 17, the two sealing plugs 12 move relatively to drive the tooth columns 14 to move reversely, so that the semicircular plate 8 returns to the original position to block the air between the first pipeline 1 and the second pipeline 2.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. A pneumatic valve for air duct, includes first pipeline (1), second pipeline (2) and annular plate (3), its characterized in that: the top of the annular plate (3) is fixedly connected with a fixed pipe (4), the bottom of the annular plate (3) is fixedly connected with a fixed shell (5), the inside of the fixed shell (5) is rotatably connected with a vertical rod (6), the top end of the vertical rod (6) penetrates through the annular plate (3) and the fixed pipe (4) and extends to the top of the fixed pipe (4), the surface of the vertical rod (6) is sleeved with a sleeve (7), the two sides of the surface of the sleeve (7) are both fixedly connected with semicircular plates (8), the top part of the surface of the vertical rod (6) is fixedly connected with a convex block (9), the top end of the fixed pipe (4) is fixedly connected with a shell (10), the bottom of the inner wall of the shell (10) is rotatably connected with a movable rod (11), the top end of the vertical rod (6) penetrates through the movable rod (11) and extends to the inside of the movable rod (11), the two sides of the inner wall of, and equal fixedly connected with fixed plate (13) in the relative one side of two sealing plugs (12), the fixed surface of movable rod (11) is connected with tooth post (14) to equal fixedly connected with tooth (15) with tooth post (14) engaged with of the relative one side of two fixed plates (13), the equal fixedly connected with shell (16) in both sides of casing (10) to equal fixedly connected with spring (17) in the relative one side of two shell (16) inner walls, the one end of spring (17) and one side fixed connection of sealing plug (12).
2. A pneumatic valve for air ducts as claimed in claim 1, wherein: the surface of the sleeve (7) is fixedly connected with the vertical rod (6) through a fixing nail (18), and a fixing hole (19) matched with the fixing nail (18) is formed in the surface of the sleeve (7).
3. A pneumatic valve for air ducts as claimed in claim 1, wherein: the equal fixedly connected with sealing washer (20) in both sides of annular slab (3) to through-hole (21) with montant (6) looks adaptation is seted up to the inside of movable rod (11), draw-in groove (22) with lug (9) looks adaptation are seted up to one side of through-hole (21).
4. A pneumatic valve for air ducts as claimed in claim 1, wherein: one side of the shell (16) is fixedly connected with a connecting plate (23), and one side of the connecting plate (23) is fixedly connected with one side of the shell (10) through a fixing screw.
5. A pneumatic valve for air ducts as claimed in claim 1, wherein: the surface of the shell (10) is fixedly connected with a fixing block (25) through a first screw (24), and the top of the fixing block (25) is communicated with an air inlet pipe (26).
6. A pneumatic valve for air ducts according to claim 5, characterized in that: the surface of the shell (10) is provided with a first threaded hole (27) matched with the first screw (24), and the surface of the shell (10) is provided with a vent hole (28).
7. A pneumatic valve for air ducts as claimed in claim 1, wherein: the first pipeline (1) and the opposite end of the second pipeline (2) are fixedly connected with annular rings (29), the two annular rings (29) are fixedly connected through second screws (30), and second threaded holes (31) matched with the second screws (30) are formed in the surface of each annular ring (29).
8. A pneumatic valve for air ducts as claimed in claim 7, wherein: the equal fixedly connected with connecting block (32) in both sides on fixed pipe (4) surface to the equal fixedly connected with mounting panel (33) in both sides of set casing (5).
9. A pneumatic valve for air ducts as claimed in claim 8, wherein: the connecting block (32) is fixedly connected with the annular ring (29) through a third screw (34), a third threaded hole (35) matched with the third screw (34) is formed in the surface of the connecting block (32), the mounting plate (33) is fixedly connected with the annular ring (29) through a fourth screw (36), and a fourth threaded hole (37) matched with the fourth screw (36) is formed in the surface of the mounting plate (33).
10. A pneumatic valve for air ducts as claimed in claim 1, wherein: the top fixedly connected with backup pad (38) of casing (10) to the top fixedly connected with roof (39) of backup pad (38), the top of movable rod (11) runs through backup pad (38) and roof (39) and extends to the top of roof (39), one end fixedly connected with spheroid (40) that movable rod (11) extended to roof (39) top.
CN202010821977.5A 2020-08-15 2020-08-15 Pneumatic valve for air pipeline Withdrawn CN111895107A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010821977.5A CN111895107A (en) 2020-08-15 2020-08-15 Pneumatic valve for air pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010821977.5A CN111895107A (en) 2020-08-15 2020-08-15 Pneumatic valve for air pipeline

Publications (1)

Publication Number Publication Date
CN111895107A true CN111895107A (en) 2020-11-06

Family

ID=73230381

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010821977.5A Withdrawn CN111895107A (en) 2020-08-15 2020-08-15 Pneumatic valve for air pipeline

Country Status (1)

Country Link
CN (1) CN111895107A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113294547A (en) * 2021-06-03 2021-08-24 无锡悦鑫工贸有限公司 Self-cleaning pneumatic valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113294547A (en) * 2021-06-03 2021-08-24 无锡悦鑫工贸有限公司 Self-cleaning pneumatic valve

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Application publication date: 20201106