CN214579238U

CN214579238U - Pneumatic valve with prevent mistake and touch structure

Info

Publication number: CN214579238U
Application number: CN202120702492.4U
Authority: CN
Inventors: 邹林斌
Original assignee: Wenzhou Zhongdaye Chemical Machinery Co ltd
Current assignee: Wenzhou Zhongdaye Chemical Machinery Co ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-11-02
Anticipated expiration: 2031-04-07

Abstract

The utility model discloses a pneumatic valve with prevent mistake and touch structure, including the intake pipe, it is installed in equipment vent such as boiler department, the intake pipe upside is connected with valve pipe, and valve pipe, its inside is used for installing valve part and exhaust apparatus, and the blast pipe, it is installed on the intake pipe lower extreme position, on the blast pipe was in same horizontal position with valve pipe, the valve knob, it was used for the switch closed valve, the valve knob sets up on valve pipe upper end position, and the jam piece, it is installed in the intake pipe, the jam piece plays the effect of closed pipeline, and closed separation blade, its setting is in inside the exhaust pipe, closed separation blade is used for the protection and keeps valve normal use. This pneumatic valve with prevent mistake and touch structure can open the valve in the pipeline automatically, can realize the automatic pressure release under the boiler high temperature high pressure by safe efficient, can effectively avoid the problem of the unable circulation air of valve jam.

Description

Pneumatic valve with prevent mistake and touch structure

Technical Field

The utility model relates to a pneumatic valve technical field specifically is a pneumatic valve with prevent mistake and touch structure.

Background

The pneumatic valve is a safety device for opening and closing through compressed air, and is mainly used for equipment such as a boiler or a pipeline needing to discharge high-temperature gas, the normal use of the pneumatic valve plays a vital role in production safety, if the pneumatic valve is closed in misoperation, the high-temperature gas in the boiler or the pipeline can be possibly discharged, the pressure is too high, and the explosion danger is generated.

According to the safety valve of preventing mistake touch disclosed in patent CN201921745194.2, it improves the valve to the misoperation's condition in the boiler pipeline production, its structure includes disk seat, valve gap and retaining member, open the cavity in the disk seat, the top of valve gap is equipped with the mounting groove with adjusting the pole adaptation, the outside of adjusting the pole is fixed with sealed lid, the outer wall integrated into one piece of sealed lid has the flange, the below of flange is provided with the retaining member, the outer wall of valve gap is equipped with the pressure release pipe that is linked together with the pressure release chamber in the valve gap, the outside of pressure release pipe is provided with the fastener, structure has the mounting hole with the guide bar adaptation in the regulation pole, the bottom of adjusting the pole is fixed with first spring holder, the top of disk is installed at the disk seat, install the valve top lift chamber of valve gap in the valve gap, be provided with first spring holder and second spring holder in the valve gap, be provided with the spring between first spring holder and the second spring holder, above-mentioned structure only uses the spring to adjust control the valve gap in the valve, and the regulation dynamics is limited, is unfavorable for boiler pipeline's urgent pressure release to use, to above-mentioned problem, the urgent need carries out the innovative design on original pneumatic valve's basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic valve with prevent mistake and touch structure to propose the pneumatic valve of using at present among the above-mentioned background art and can't realize that automatic valve to the pipeline is opened under the maloperation, automatic pressure release under the unable safe efficient realization boiler high temperature high pressure easily produces great potential safety hazard, is unfavorable for the high-efficient problem of safe use of pneumatic valve.

In order to achieve the above object, the utility model provides a following technical scheme: a pneumatic valve provided with a false touch prevention structure, comprising:

the air inlet pipe is arranged at an air vent of equipment such as a boiler and the like, and the upper side of the air inlet pipe is connected with a valve pipe;

the valve pipe is internally used for installing a valve component and exhaust equipment;

the exhaust pipe is arranged at the lower end of the air inlet pipe, and the exhaust pipe and the valve pipe are positioned on the same horizontal position;

the valve knob is used for opening and closing the valve and is arranged at the upper end of the valve pipe;

a plug installed in the intake pipe, the plug functioning to close a pipe;

a closure flap disposed inside the exhaust pipe, the closure flap being used to protect and maintain normal use of the valve.

Preferably, the valve pipe outside still is provided with the linking bridge that is used for fixed mounting valve part, and installs the telescopic link between the linking bridge to the telescopic link sets up between the linking bridge with the structure equidistance of circumference array, and the setting of above-mentioned structure makes the valve can keep firm on-off state when the high-pressure high-temperature high-pressure gas of pressure release, and can realize the effect of buffering shock attenuation under the high pressure pipeline vibrations.

Preferably, the lower end of the valve knob is connected with a threaded rod and a lifting rod which are used for controlling the opening and closing of the valve, the threaded rod is fixedly connected with the valve knob, and the valve can be kept in a stable connection state after being opened by the aid of the structure, and meanwhile, the valve is convenient to install and use.

Preferably, the lifter outside still nestification has the compression spring who is used for driving its removal, and the lifter passes through compression spring and threaded rod constitution elastic construction, and the setting up of above-mentioned structure makes the valve realize the effect that automatic compression drove the jam piece and open when receiving pressure through the spring to reach safe swift switch effect.

Preferably, the plugging piece is connected with the lifting rod in a clamping mode, the plugging piece is of a hemispherical structure made of rubber, the plugging piece and the exhaust pipe form a telescopic structure through the lifting rod, and the structure enables the device to generate a good sealing structure when the device is pressurized by keeping the pipeline closed, so that the pressurizing time in the device is saved, and the problem of gas leakage is solved.

Preferably, the last pivot pole and the rotating turret of still being provided with of obturating piece, and the pivot pole rotates with obturating piece and rotating turret respectively and is connected to the structure is run through to rotating turret and blast pipe constitution, and the setting up of above-mentioned structure makes the pipeline at the maloperation and when normally opening the obturating piece, can drive the crooked and jack-up obturating piece of pivot pole through the rotation of rotating turret, makes pipeline passage open.

Preferably, still be provided with the plectrum pole on the rotating turret, and plectrum pole and rotating turret fixed connection to the rotating turret is connected with closed separation blade block, and the diameter of closed separation blade is less than the inner wall diameter of blast pipe simultaneously, and the setting up of above-mentioned structure can keep good leakproofness when making the valve closed, and can open exhaust passage fast to emergency pressure release time, and can practice thrift the time of switch valve.

Compared with the prior art, the beneficial effects of the utility model are that: the pneumatic valve with the false touch prevention structure adopts a novel structural design, can be conveniently and quickly opened and closed when the pneumatic valve is used, can tightly close the tightness of the valve, can also enable the exhaust pipe to be automatically opened and always keep the opening and closing state of the pipeline when the pneumatic valve needs emergency pressure relief and exhaust due to misoperation, and avoids the problem of false closing of the pipeline;

1. the valve pipe is internally provided with a structure of a telescopic rod, a valve knob, a threaded rod, a lifting rod, a compression spring and a plugging piece, the threaded rod is driven to rotate and lift by the valve knob, the lifting rod is automatically bounced open by utilizing the compression elasticity of the compression spring, so that the plugging piece is driven to pull out the exhaust pipe, and the purposes that the device can be used for conveniently and quickly opening and closing the valve and tightly closing the tightness of the valve are achieved;

2. set up the pivot pole in the blast pipe, the rotating turret, the structure of closed separation blade and plectrum pole, make it drive the rotatory 90 angles of rotating turret through rotating the plectrum pole, and make the closed separation blade perpendicular to blast pipe of connecting on the rotating turret in, utilize the plectrum pole to jack up the principle that stifled plug member made the blast pipe open simultaneously, realize the device when receiving the maloperation and need urgent pressure release exhaust, can open the blast pipe is automatic and remain the state that opens and shuts of pipeline all the time, avoid the function that the pipeline mistake was closed.

Drawings

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

FIG. 2 is a schematic view of the three-dimensional structure of the connecting bracket of the present invention;

fig. 3 is a schematic perspective view of the blocking member of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the closed baffle of the present invention;

fig. 5 is a schematic diagram of a semi-sectional three-dimensional structure of the exhaust pipe of the present invention.

In the figure: 1. an air inlet pipe; 2. a valve tube; 3. an exhaust pipe; 4. connecting a bracket; 5. a telescopic rod; 6. a valve knob; 7. a threaded rod; 8. a lifting rod; 9. a compression spring; 10. a blocking member; 11. a spindle rod; 12. a rotating frame; 13. closing the blocking piece; 14. a blade pulling rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a pneumatic valve provided with a false touch prevention structure, comprising:

the air inlet pipe 1 is arranged at an air vent of equipment such as a boiler and the like, and the upper side of the air inlet pipe 1 is connected with a valve pipe 2;

the valve pipe 2 is internally used for installing a valve component and exhaust equipment;

the exhaust pipe 3 is arranged at the lower end of the air inlet pipe 1, and the exhaust pipe 3 and the valve pipe 2 are positioned at the same horizontal position;

the valve knob 6 is used for opening and closing the valve, and the valve knob 6 is arranged at the upper end of the valve pipe 2;

a blocking member 10 installed in the intake pipe 1, the blocking member 10 functioning to close the pipe;

and a closing baffle 13 arranged inside the exhaust pipe 3, wherein the closing baffle 13 is used for protecting and keeping the valve in normal use.

The outer side of the valve pipe 2 is also provided with connecting brackets 4 for fixedly mounting valve components, telescopic rods 5 are mounted between the connecting brackets 4, and the telescopic rods 5 are equidistantly arranged between the connecting brackets 4 in a circumferential array structure;

the lower end of the valve knob 6 is connected with a threaded rod 7 and a lifting rod 8 which are used for controlling the opening and closing of the valve, and the threaded rod 7 is fixedly connected with the valve knob 6;

as shown in fig. 1 and 2, when the valve needs to be closed to hermetically pressurize the interior of the valve, the valve knob 6 is rotated to drive the threaded rod 7 connected with the lower end to rotate downwards, and after the threaded rod 7 pushes the lifting rod 8 to clamp the blocking piece 10 into the exhaust pipe 3, the valve can be sealed, and meanwhile, the connecting support 4 connected with the outer side of the valve knob 6 provides a stable supporting effect due to the fact that the connecting support 4 is installed on the outer side of the valve pipe 2, and the telescopic rod 5 arranged between the connecting supports 4 is adjusted according to the lifting of the threaded rod 7.

A compression spring 9 for driving the lifting rod 8 to move is further nested outside the lifting rod 8, and the lifting rod 8 and the threaded rod 7 form an elastic structure through the compression spring 9;

the plugging piece 10 is connected with the lifting rod 8 in a clamping manner, the plugging piece 10 is of a hemispherical structure made of rubber, and the plugging piece 10 and the exhaust pipe 3 form a telescopic structure through the lifting rod 8;

as shown in fig. 3 and 4, when the valve needs to be opened for air leakage, the lifting rod 8 contracts to drive the blocking piece 10 to move vertically upwards so as to pull out the exhaust pipe 3, when the blocking piece 10 is pulled out rapidly through contraction of the compression spring 9, the blocking piece 10 is impacted by high-pressure gas to generate vibration, and at the moment, the telescopic rod 5 connected between the compression spring 9 and the connecting bracket 4 on the outer side of the lifting rod 8 buffers the vibration so as to more stably keep the valve open.

The blocking piece 10 is also provided with a rotating shaft rod 11 and a rotating frame 12, the rotating shaft rod 11 is respectively connected with the blocking piece 10 and the rotating frame 12 in a rotating mode, and the rotating frame 12 and the exhaust pipe 3 form a penetrating structure;

the rotating frame 12 is further provided with a shifting piece rod 14, the shifting piece rod 14 is fixedly connected with the rotating frame 12, the rotating frame 12 is connected with the closing blocking piece 13 in a clamping mode, and meanwhile the diameter of the closing blocking piece 13 is smaller than the diameter of the inner wall of the exhaust pipe 3.

As shown in fig. 5, when high temperature gas is discharged downwards through the exhaust pipe 3, the gas flow impacts on the closing flap 13 installed in the rotating frame 12 in the exhaust pipe 3, at this time, the closing flap 13 is in a vertical connection state of 90 degrees by the rotation of the flap lever 14, so that the gas can rapidly pass through the exhaust pipe 3, and the rotating shaft lever 11 connected to the bottom of the rotating frame 12 is pushed by the rotating thrust to jack up the blocking piece 10, so as to keep the exhaust pipe 3 in a connected state all the time, so as to safely relieve the pressure.

The device comprises an air inlet pipe 1, a valve pipe 2, an exhaust pipe 3, a connecting support 4, a telescopic rod 5, a valve knob 6, a threaded rod 7, a lifting rod 8, a compression spring 9, a blocking piece 10, a rotating shaft rod 11, a rotating frame 12, a closed blocking piece 13 and a piece pulling rod 14.

The working principle is as follows: when the device is used, as shown in figures 1-5, the device is firstly installed on the pressure relief port of a boiler and a pipeline, when the device needs pressure relief at high temperature, a valve knob 6 connected with the upper end of a valve pipe 2 can be unscrewed, meanwhile, a poking piece rod 14 arranged on one side of an exhaust pipe 3 rotates 90 degrees, at the moment, a plugging piece 10 is driven by a lifting rod 8 to move upwards so as to be far away from and pull out the exhaust pipe 3, air in an air inlet pipe 1 smoothly enters the exhaust pipe 3, then the plugging piece rod 14 rotates and is vertically connected with a closed blocking piece 13 in the exhaust pipe 3, a channel is provided for air flowing, so that the air in the device flows rapidly and is relieved, meanwhile, the plugging piece cannot be closed due to accidents, the opening state can be kept all the time, and the working principle of the pneumatic valve with the anti-mistouch structure is realized.

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 pneumatic valve with a false touch prevention structure is characterized by comprising:

a plug installed in the intake pipe, the plug functioning to close a pipe;

2. A pneumatic valve provided with a false touch prevention structure as recited in claim 1, wherein: the valve pipe outside still is provided with the linking bridge that is used for fixed mounting valve part, and installs the telescopic link between the linking bridge to the telescopic link sets up between the linking bridge with the structure equidistance of circumference array.

3. A pneumatic valve provided with a false touch prevention structure as recited in claim 1, wherein: the lower end of the valve knob is connected with a threaded rod and a lifting rod which are used for controlling the opening and closing of the valve, and the threaded rod is fixedly connected with the valve knob.

4. A pneumatic valve provided with a false touch prevention structure as set forth in claim 3, wherein: the outside of the lifting rod is also nested with a compression spring for driving the lifting rod to move, and the lifting rod and the threaded rod form an elastic structure through the compression spring.

5. A pneumatic valve provided with a false touch prevention structure as recited in claim 1, wherein: the plugging piece is connected with the lifting rod in a clamping mode, the plugging piece is of a hemispherical structure made of rubber, and the plugging piece forms a telescopic structure with the exhaust pipe through the lifting rod.

6. A pneumatically actuated valve provided with a false touch prevention structure as set forth in claim 5, wherein: the blocking piece is further provided with a rotating shaft rod and a rotating frame, the rotating shaft rod is respectively connected with the blocking piece and the rotating frame in a rotating mode, and the rotating frame and the exhaust pipe form a penetrating structure.

7. A pneumatically actuated valve provided with a false touch prevention structure as set forth in claim 6, wherein: the rotating frame is further provided with a shifting piece rod, the shifting piece rod is fixedly connected with the rotating frame, the rotating frame is connected with the closed blocking piece in a clamping mode, and the diameter of the closed blocking piece is smaller than the diameter of the inner wall of the exhaust pipe.