CN212616384U - Offline poppet valve with limiting induction function - Google Patents
Offline poppet valve with limiting induction function Download PDFInfo
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- CN212616384U CN212616384U CN202021017419.5U CN202021017419U CN212616384U CN 212616384 U CN212616384 U CN 212616384U CN 202021017419 U CN202021017419 U CN 202021017419U CN 212616384 U CN212616384 U CN 212616384U
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- proximity switch
- purifying chamber
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Abstract
An off-line poppet valve with a limiting induction function comprises a cylinder, a connecting sleeve, a proximity switch, a valve rod, a valve plate and an induction alarm device; the cylinder is arranged above the air purifying chamber through an installation frame, the telescopic end of the cylinder is correspondingly connected with the head end of the valve rod through a connecting sleeve, and a proximity switch for detecting the action stroke of the connecting sleeve is arranged in the installation frame; the tail end of the valve rod extends into the air purifying chamber and then is correspondingly connected with the valve plate, the bottom surface of the valve plate correspondingly blocks the access hole of the air purifying chamber, and the edge of the bottom surface of the valve plate is provided with a sensing alarm device for detecting whether the valve plate blocks the access hole and detecting whether dust is emitted from the access hole; the proximity switch and the induction alarm device are correspondingly and electrically connected with the control system; and this device can judge whether self is out of order to can in time remind the workman to maintain corresponding trouble.
Description
Technical Field
The utility model belongs to the technical field of the poppet valve improvement technique and specifically relates to an off-line poppet valve with spacing response function is related to.
Background
As is known, with the national stricter requirements on the emission concentration index of industrial atmospheric pollution particles, more and more industrial kilns need to be provided with dust removal devices to reduce the emission of pollutants, and the common dust removal device is a bag-type dust remover; in order to facilitate offline maintenance of the bag-type dust collector, an offline poppet valve is often arranged in a top air purifying chamber, and the poppet valve plays a role in opening and closing the air purifying chamber by controlling the lifting of a valve plate; however, the traditional poppet valve causes the situation that the air purifying chamber is not closed tightly due to the situation of errors of component production and the like, so that dust enters the air purifying chamber when the bag-type dust collector works, dust pollution occurs in the air purifying chamber, whether the air purifying chamber is closed tightly cannot be found out without opening an access door at the top of the dust collector, and if the air purifying chamber is polluted by the dust, the dust can cause serious injury to workers when the workers enter the air purifying chamber for offline maintenance; in addition, the connection between the valve rod and the valve plate of the lift valve is loosened after the lift valve is used for a period of time, so that the valve plate is separated from the valve rod, the valve plate is still positioned at the access hole when the access hole of the air purifying chamber needs to be opened, and the workload is large when the valve rod and the valve plate are connected at the moment, so that the working strength of workers is high; therefore, in summary, there is a need in the market for a lift valve that can determine whether itself is faulty and can prompt a worker in time.
Disclosure of Invention
In order to overcome the not enough among the background art, the utility model discloses an off-line poppet valve with spacing response function.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an off-line poppet valve with a limiting induction function comprises a cylinder, a connecting sleeve, a proximity switch, a valve rod, a valve plate and an induction alarm device; the cylinder is arranged above the air purifying chamber through an installation frame, the telescopic end of the cylinder is correspondingly connected with the head end of the valve rod through a connecting sleeve, and a proximity switch for detecting the action stroke of the connecting sleeve is arranged in the installation frame; the tail end of the valve rod extends into the air purifying chamber and then is correspondingly connected with the valve plate, the bottom surface of the valve plate correspondingly blocks the access hole of the air purifying chamber, and the edge of the bottom surface of the valve plate is provided with a sensing alarm device for detecting whether the valve plate blocks the access hole and detecting whether dust is emitted from the access hole; the proximity switch and the induction alarm device are correspondingly and electrically connected with the control system;
preferably, the induction alarm device comprises a proximity switch and a smoke inductor;
preferably, the number of the induction alarm devices is four, and the four induction alarm devices are respectively positioned at four corner positions of the bottom surface of the valve plate;
preferably, the top surface of the valve plate is provided with a through hole, the tail end of the valve rod is provided with a screw rod end, and the valve rod and the valve plate are correspondingly and fixedly connected through a screw cap after the tail end correspondingly penetrates through the through hole;
preferably, a sealing wear-resistant sleeve is arranged in the through hole of the valve plate;
preferably, the sealing wear-resistant sleeve is made of wear-resistant rubber or polyethylene.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses an off-line poppet valve with spacing response function, through the cooperation work of contactor and response alarm device, can judge whether the valve rod moves in place after, whether the access hole has been plugged up successfully to the valve plate to judge whether self breaks down, and through response alarm device to control system output alarm signal remind the workman; in addition, the sealing performance between the valve plate and the valve rod can be effectively improved through the sealing wear-resistant sleeve.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a cylinder; 2. a mounting frame; 3. connecting sleeves; 4. a proximity switch; 5. a valve stem; 6. a valve plate; 6.1, sealing the wear-resistant sleeve; 7. an induction alarm device; 8. a gas purifying chamber; 8.1, an access hole.
Detailed Description
The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.
The off-line poppet valve with the limiting induction function, which is described in connection with the attached drawing 1, comprises a cylinder 1, a connecting sleeve 3, a proximity switch 4, a valve rod 5, a valve plate 6 and an induction alarm device 7; the air cylinder 1 is arranged above the air purifying chamber 8 through the mounting frame 2, the mounting frame 2 can support the air cylinder 1 and can also protect the telescopic end of the air cylinder 1 and the valve rod 5 to a certain extent, the telescopic end of the air cylinder 1 is correspondingly connected with the head end of the valve rod 5 through the connecting sleeve 3, the mounting frame 2 is internally provided with the proximity switch 4 for detecting the action stroke of the connecting sleeve 3, the sensing surface of the proximity switch 4 corresponds to the bottom edge of the outer side surface of the connecting sleeve 3, therefore, when the proximity switch 4 senses the connecting sleeve 3, the conclusion that the valve plate 6 falls to a specified position can be obtained, and a corresponding signal is output to the control system; the tail end of the valve rod 5 extends into the air purifying chamber 8 and is correspondingly connected with the valve plate 6, in addition, the top surface of the valve plate 6 is provided with a through hole, the tail end of the valve rod 5 is arranged as a screw rod end, and the tail end correspondingly penetrates through the through hole, the valve rod 5 and the valve plate 6 are correspondingly and fixedly connected through a screw cap, thereby simplifying the step of connecting the valve rod 5 with the valve plate 6, and the connecting strength of the valve rod 5 and the valve plate 6 can be ensured, according to the requirement, a sealing wear-resistant sleeve 6.1 made of wear-resistant rubber or polyethylene is arranged in the through hole of the valve plate 6, so that the connection sealing property between the valve rod 5 and the valve plate 6 is stronger, when the valve rod 5 drives the valve plate 6 to ascend, certain friction is inevitably generated between the valve rod and the valve plate, thereby influencing the connection relation between the valve rod 5 and the valve plate 6, and the higher wear resistance of the sealing wear-resistant sleeve 6.1 can ensure that the connection relation between the valve rod 5 and the valve plate 6 is not influenced;
the bottom surface of the valve plate 6 corresponds to an access hole 8.1 for blocking the air purifying chamber 8, the edge of the bottom surface of the valve plate 6 is provided with a sensing alarm device 7 for detecting whether the valve plate 6 blocks the access hole 8.1 or not and detecting whether dust is emitted from the access hole 8.1 or not, the sensing surface of the sensing alarm device 7 corresponds to the bottom surface of the air purifying chamber 8, therefore, when the valve plate 6 falls in place to block the access hole 8.1, the sensing alarm device 7 can sense the bottom surface of the air purifying chamber 8 so as to output corresponding signals to a control system, and if the sensing alarm device 7 detects that dust is emitted from the access hole 8.1, an alarm signal can be output to the control system so as to remind workers of self failure of the lift valve in time, in addition, the sensing alarm devices 7 are four, and the four sensing alarm devices 7 are respectively positioned at four corner positions of the bottom surface of the valve plate 6, so as to further improve the accuracy of the alarm sensing devices, particularly, the induction alarm device 7 comprises a proximity switch 4 and a smoke sensor, whether the access hole 8.1 is blocked by the valve plate 6 can be judged through the proximity switch 4 of the induction alarm device 7, and whether dust is emitted from the access hole 8.1 can be detected through the smoke sensor; the proximity switch 4 and the induction alarm device 7 are correspondingly and electrically connected with the control system.
When the offline poppet valve with the limiting induction function of the utility model is implemented, the air purifying chamber 8 is in a closed state under the condition of not needing offline maintenance, namely, the telescopic end of the cylinder 1 extends out, the valve plate 6 is controlled to fall through the valve rod 5, when the sensing surface of the proximity switch 4 senses the connecting sleeve 3, if the sensing alarm device 7 senses the bottom surface of the air purifying chamber 8 and does not detect the dust to emerge, the valve plate 6 falls in place at the moment, the lift valve has no fault, if the sensing alarm device 7 does not sense the bottom surface of the air-purifying chamber 8, it indicates that the valve plate 6 is not dropped in place, it should be checked whether the dropping stroke of the valve rod 5 is accurate, if the sensing alarm device 7 senses the bottom surface of the air purifying chamber 8 but detects the dust emission, the valve plate 6 is not completely blocked the access opening 8.1, and the sealing between the valve plate 6 and the access opening 8.1 should be checked;
if the bag-type dust collector needs to be overhauled off line, the cylinder 1 retracts the telescopic end, so that the valve rod 5 and the valve plate 6 are driven to ascend, the overhaul port 8.1 of the air purifying chamber 8 is opened, and if the sensing surface of the proximity switch 4 cannot sense the connecting sleeve 3, if the sensing alarm device 7 can still sense the bottom surface of the air purifying chamber 8, the condition that the connection between the valve rod 5 and the valve plate 6 is not firm is indicated; in conclusion, if the lift valve breaks down, a worker can find the failure in time in the control system and then pertinently get rid of the failure, so that the field judgment time of the worker is saved, and the personal safety of the worker is effectively protected.
The part of the utility model not detailed is prior art.
Claims (6)
1. An off-line poppet valve with a limiting induction function is characterized in that: the device comprises a cylinder (1), a connecting sleeve (3), a proximity switch (4), a valve rod (5), a valve plate (6) and an induction alarm device (7); the air cylinder (1) is arranged above the air purifying chamber (8) through the mounting frame (2), the telescopic end of the air cylinder (1) is correspondingly connected with the head end of the valve rod (5) through the connecting sleeve (3), and the proximity switch (4) used for detecting the action stroke of the connecting sleeve (3) is arranged in the mounting frame (2); the tail end of the valve rod (5) extends into the air purifying chamber (8) and then is correspondingly connected with the valve plate (6), the bottom surface of the valve plate (6) correspondingly blocks a maintenance opening (8.1) of the air purifying chamber (8), and the edge of the bottom surface of the valve plate (6) is provided with a sensing alarm device (7) for detecting whether the valve plate (6) blocks the maintenance opening (8.1) or not and detecting whether dust is emitted from the maintenance opening (8.1) or not; the proximity switch (4) and the induction alarm device (7) are correspondingly and electrically connected with the control system.
2. The offline poppet valve with a limit sensing function as set forth in claim 1, wherein: the induction alarm device (7) comprises a proximity switch (4) and a smoke inductor.
3. The offline poppet valve with a limit sensing function as set forth in claim 1, wherein: the number of the induction alarm devices (7) is four, and the four induction alarm devices (7) are respectively positioned at four corner positions of the bottom surface of the valve plate (6).
4. The offline poppet valve with a limit sensing function as set forth in claim 1, wherein: the top face of valve plate (6) is equipped with the through-hole, and the tail end of valve rod (5) is established to the screw rod end, and this tail end corresponds and passes the through-hole after, corresponds fixed connection with valve rod (5) and valve plate (6) through the nut.
5. The offline poppet valve with a limit sensing function as set forth in claim 4, wherein: and a sealing wear-resistant sleeve (6.1) is arranged in the through hole of the valve plate (6).
6. The offline poppet valve with a limit sensing function as set forth in claim 5, wherein: the sealing wear-resistant sleeve (6.1) is made of wear-resistant rubber or polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021017419.5U CN212616384U (en) | 2020-06-05 | 2020-06-05 | Offline poppet valve with limiting induction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021017419.5U CN212616384U (en) | 2020-06-05 | 2020-06-05 | Offline poppet valve with limiting induction function |
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| CN212616384U true CN212616384U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021017419.5U Active CN212616384U (en) | 2020-06-05 | 2020-06-05 | Offline poppet valve with limiting induction function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113720604A (en) * | 2021-08-31 | 2021-11-30 | 南通友信环保科技有限公司 | Early warning device and method for transmission mechanism |
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2020
- 2020-06-05 CN CN202021017419.5U patent/CN212616384U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113720604A (en) * | 2021-08-31 | 2021-11-30 | 南通友信环保科技有限公司 | Early warning device and method for transmission mechanism |
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