CN216589959U - Electromagnetic valve for LEL online monitoring system - Google Patents
Electromagnetic valve for LEL online monitoring system Download PDFInfo
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- CN216589959U CN216589959U CN202122611403.8U CN202122611403U CN216589959U CN 216589959 U CN216589959 U CN 216589959U CN 202122611403 U CN202122611403 U CN 202122611403U CN 216589959 U CN216589959 U CN 216589959U
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- monitoring system
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Abstract
The utility model relates to an electromagnetic valve for an LEL online monitoring system, which comprises a valve body, wherein an inlet and an outlet are communicated and arranged at two ends of the valve body, a separation blade is horizontally arranged between the inlet and the outlet, a through hole is formed in the separation blade, a guide cylinder is arranged at the top of the valve body, a movable iron core is arranged in the guide cylinder, sealing filler is arranged between the guide cylinder and the movable iron core, supporting plates are arranged at the top end and the bottom end of the sealing filler, a protective shell is detachably arranged at the top end of the guide cylinder, an electromagnetic coil is arranged in the protective shell, a fixed iron core is arranged at the top end of the electromagnetic coil, a spring is arranged between the fixed iron core and the movable iron core, a valve core is arranged at the bottom end of the movable iron core, a buffer tube is arranged between the valve core and the through hole, a flow guide hole is formed in the buffer tube when the valve core is opened and closed, and damage to the valve core caused by overlarge pressure of a circulating medium is avoided.
Description
Technical Field
The utility model relates to the technical field of electromagnetic valves, in particular to an electromagnetic valve for an LEL online monitoring system.
Background
An LEL online monitoring system is used for monitoring the lowest concentration of combustible steam, gas or mixture of dust and air which can explode when meeting a fire source, the LEL online monitoring system is usually matched with an electromagnetic valve to realize the control of the opening and closing of a gas pipeline and the adjustment of the direction, the flow, the speed and the like of a medium, a high-frequency high-service-life electromagnetic valve is provided in the Chinese patent document with the publication number of CN210978695U, one side of an electromagnetic valve body is provided with a water outlet, the upper end of the electromagnetic valve body is provided with an electromagnetic valve cover, a sealing ring is arranged at the joint of the electromagnetic valve body and the electromagnetic valve cover, the upper end of an installation cavity is provided with a return spring and a sealing sleeve, the upper end of the electromagnetic valve cover is provided with an installation sleeve rod, the inside of the installation sleeve rod is provided with a movable connecting column, the upper end of the movable connecting column is fixedly connected with a movable iron core, the upper end of the installation sleeve rod is provided with a connecting rod, and the inside of the lower end of the connecting rod is provided with a fixed iron core, the upper end of connecting rod is provided with the connector, and the inside fixedly connected with case part of swing joint post bottom, but when the case descends and closes water inlet and delivery port, the pressure that the case bore is great, causes the damage of case easily, and current solenoid valve sealing performance is relatively poor, produces the condition of revealing easily, and current solenoid valve mounting structure is complicated in addition, the maintenance of being not convenient for.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electromagnetic valve for an LEL online monitoring system, which is used for solving the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a LEL is solenoid valve for on-line monitoring system, includes the valve body, the both ends intercommunication of valve body is provided with import and export, the level is provided with the separation blade between import and the export, be provided with the through-hole on the separation blade, the top of valve body is provided with the guide cylinder, be provided with in the guide cylinder and move the iron core, the guide cylinder is provided with sealing filler with moving between the iron core, sealing filler's top and bottom are connected the guide cylinder and are provided with the backup pad, the top of guide cylinder can be dismantled and be provided with the protecting crust, be provided with solenoid in the protecting crust, solenoid's top is provided with decides the iron core, decide the iron core and move and be provided with the spring between the iron core, the bottom that moves the iron core is provided with the case, be provided with the buffer tube between case and the through-hole, the water conservancy diversion hole has been seted up on the buffer tube.
As a further scheme of the utility model: the bottom end of the valve core is provided with a connecting column, the bottom end of the connecting column is provided with an auxiliary closing block, a buffer hole is formed in the auxiliary closing block, and the pressure during closing is further reduced through the auxiliary closing block.
As a still further scheme of the utility model: the connecting column is in threaded connection with the valve core and the auxiliary closing block, so that the connecting column and the auxiliary closing block can be conveniently connected and detached.
As a still further scheme of the utility model: and a sealing sleeve is arranged above the sealing filler, so that the overall sealing effect is further enhanced.
As a still further scheme of the utility model: the top of guide cylinder is provided with mounting flange, the top of seal cover is provided with the seal gasket that matches with mounting flange, seal gasket and seal cover integrated into one piece strengthen the connection leakproofness between protecting crust and the guide cylinder.
As a still further scheme of the utility model: the bottom of protective housing is provided with flange, be provided with connecting bolt between flange and the mounting flange, the installation and the dismantlement of protective housing of being convenient for.
As a still further scheme of the utility model: the outer side of the protective shell is provided with a junction box, the junction box is electrically connected with the electromagnetic coil, and the junction box is connected with an external power supply, so that the connection with the external power supply is facilitated.
Compared with the prior art, the utility model has the advantages that:
the utility model comprises a valve body and a valve core, a baffle is arranged between an inlet and an outlet of the valve body, a through hole is arranged on the baffle, a buffer tube is arranged on the through hole, when the electromagnetic valve is opened, the inlet and the outlet of the valve body are respectively connected with an external circulating medium conduit, the fixed iron core attracts a movable iron core to move upwards under the action of an electromagnetic coil, the movable iron core is provided with the valve core to move upwards, the valve core drives an auxiliary closing block to move upwards through a connecting column, when the valve core moves to the position above a flow guide hole, a circulating medium enters the buffer tube through a buffer hole on the auxiliary closing block to realize pressure relief and flows out from the flow guide hole, then the valve core leaves the buffer tube, the circulating medium can flow out through the flow guide hole and the top of the buffer tube after passing through the buffer hole until the auxiliary closing block leaves the buffer tube, the buffer tube is comprehensively opened, when the electromagnetic valve is required to be closed, the junction box is powered off, realize the outage of solenoid, make and decide the iron core and move and lose the attractiveness between the iron core, under the effect of connecting spring elasticity, will move the iron core and extrude downwards, supplementary closing piece gets into in the buffer tube at first, make circulation medium pass the buffer hole at first and arrive in the buffer tube, then flow through the water conservancy diversion hole on the top of buffer tube or the lateral wall, later, the case gets into the buffer tube, make circulation medium can only flow through the water conservancy diversion hole, later, the case further descends and makes the case plug up the water conservancy diversion hole and realize holistic closure, when the case closes the through-hole like this, can realize the buffering of a circulation medium, when can avoiding the case to close like this, pressure causes the case to warp or the condition of damage too greatly.
In addition, the sealing performance and the guiding performance of the valve body are enhanced, the guiding cylinder is arranged at the top of the valve body, and the sealing filler is arranged among the guiding cylinder, the valve core and the movable iron core, so that the integral sealing performance of the valve body is enhanced.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a solenoid valve for an LEL online monitoring system according to the present invention;
FIG. 2 is a cross-sectional view of the overall internal structure of the present invention;
FIG. 3 is an exploded view of the connection structure between the stationary core, the movable core, the valve core, the connecting post and the auxiliary closing block according to the present invention;
FIG. 4 is a schematic view of the overall structure of a buffer tube of the present invention.
In the figure: 1. a valve body; 2. an inlet; 3. an outlet; 4. a baffle plate; 5. a through hole; 6. a guide cylinder; 7. a movable iron core; 8. sealing and filling; 9. a support plate; 10. a protective shell; 11. an electromagnetic coil; 12. fixing an iron core; 13. a spring; 14. a valve core; 15. a buffer tube; 16. a flow guide hole; 17. connecting columns; 18. an auxiliary closing block; 19. a buffer hole; 20. sealing sleeves; 21. installing a flange; 22. sealing gaskets; 23. a connecting flange; 24. a connecting bolt; 25. a junction box.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1 to 4, in the embodiment of the present invention:
the utility model provides a solenoid valve for LEL on-line monitoring system, including valve body 1, the both ends intercommunication of valve body 1 is provided with import 2 and export 3, the level is provided with separation blade 4 between import 2 and the export 3, be provided with through-hole 5 on the separation blade 4, the top of valve body 1 is provided with guide cylinder 6, be provided with movable iron core 7 in the guide cylinder 6, be provided with sealing filler 8 between guide cylinder 6 and the movable iron core 7, sealing filler 8's top and bottom are connected guide cylinder 6 and are provided with backup pad 9, the top of guide cylinder 6 can be dismantled and be provided with protecting crust 10, be provided with solenoid 11 in the protecting crust 10, solenoid 11's top is provided with fixed iron core 12, fixed iron core 12 and movable iron core 7 between be provided with spring 13, the bottom of movable iron core 7 is provided with case 14, be provided with buffer tube 15 between case 14 and the through-hole 5, the guiding hole 16 has been seted up on the buffer tube 15.
Referring to fig. 2 and 3, in an embodiment of the present invention: the bottom end of the valve core 14 is provided with a connecting column 17, the bottom end of the connecting column 17 is provided with an auxiliary closing block 18, the auxiliary closing block 18 is provided with a buffer hole 19, when the valve core 14 is closed, firstly, the auxiliary closing block 18 enters the buffer tube 15, so that a circulating medium firstly passes through the buffer hole 19 to reach the buffer tube 15, then flows out through a diversion hole 16 on the top end or the side wall of the buffer tube 15, then, the valve core 14 enters the buffer tube 15, so that the circulating medium can only flow out through the diversion hole 16, then, the valve core 14 further descends to enable the valve core 14 to block the diversion hole 16 to realize integral closing, the connecting column 17 is in threaded connection with the valve core 14 and the auxiliary closing block 18, and installation and disassembly of the auxiliary closing block 18 and the connecting column 17 and the valve core 14 are convenient.
Referring to fig. 2, in an embodiment of the present invention: and a sealing sleeve 20 is arranged above the sealing packing 8, so that the sealing effect is further enhanced.
Referring to fig. 1 and 2, in an embodiment of the present invention: the top of guide cylinder 6 is provided with mounting flange 21, the top of seal cover 20 is provided with seal gasket 22 that matches with mounting flange 21, seal gasket 22 and seal cover 20 integrated into one piece, further strengthen the sealing performance of being connected between guide cylinder 6 and the protective housing 10, the bottom of protective housing 10 is provided with flange 23, be provided with connecting bolt 24 between flange 23 and the mounting flange 21, even and the cooperation between connecting bolt 24 through connecting flange 23 and mounting method, the installation and the dismantlement of protective housing 10 of being convenient for.
Referring to fig. 1, in an embodiment of the present invention: the outer side of the protective shell 10 is provided with a junction box 25, the junction box 25 is electrically connected with the electromagnetic coil 11, and the junction box 25 is connected with an external power supply, so that the junction box 25 is conveniently connected with the external power supply to supply power to the electromagnetic coil 11.
Example 2:
referring to fig. 1-4, the utility model relates to an electromagnetic valve for an LEL online monitoring system, when in use, an inlet 2 and an outlet 3 of a valve body 1 are respectively connected with an external circulating medium conduit, and then connected with an external power supply through a junction box 25, after the electromagnetic valve is powered on, a fixed iron core 12 attracts a movable iron core 7 to move upwards under the action of an electromagnetic coil 11, the movable iron core 7 drives a valve core 14 to move upwards, the valve core 14 drives an auxiliary closing block 18 to move upwards through a connecting post 17, when the valve core 14 moves upwards to above a diversion hole 16, the circulating medium enters a buffer tube 15 through a buffer hole 19 on the auxiliary closing block 18 to realize pressure relief and flows out from the buffer tube diversion hole 16, next, the valve core 14 leaves the buffer tube 15, the circulating medium can flow out through the diversion hole 16 and the top of the buffer tube 15 after passing through the buffer hole 19 until the auxiliary closing block leaves the buffer tube 15, so as to realize the complete opening of the buffer tube 15, when the electromagnetic valve needs to be closed, the junction box 25 is powered off, the electromagnetic coil 11 is powered off, the attraction between the fixed iron core 12 and the movable iron core 7 is lost, the movable iron core 7 is extruded downwards under the action of the elasticity of the connecting spring 13, the auxiliary closing block 18 enters the buffer tube 15 firstly, a circulating medium firstly passes through the buffer hole 19 and reaches the buffer tube 15, then flows out through the flow guide hole 16 at the top end or on the side wall of the buffer tube 15, then the valve core 14 enters the buffer tube 15, the circulating medium only can flow out through the flow guide hole 16, and then the valve core 14 descends further to enable the valve core 14 to block the flow guide hole 16 to realize integral closing, so that when the through hole 5 is closed by the valve core 14, the buffering of the circulating medium can be realized, and the situation that the valve core 14 is deformed or damaged due to too large pressure when the valve core 14 is closed can be avoided.
Example 3:
referring to fig. 1 and 2, the utility model relates to an electromagnetic valve for an LEL online monitoring system, which comprises a valve body 1, wherein a guide cylinder 6 is arranged at the top end of the valve body 1, a sealing filler 8 is arranged in the guide cylinder 6, so that the guidance of a valve core 14 moving up and down along with a movable iron core 7 can be enhanced, and the whole sealing performance can be enhanced at the same time.
In all the above-mentioned embodiments, the connection between the two components may be selected from welding, matching connection of bolt and nut, bolt or screw connection, or other known connection methods according to practical situations, which are not described herein in detail, and the above-mentioned embodiments are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can be within the technical scope of the present invention, and equivalent substitutions or changes can be made according to the technical solution of the present invention and the practical idea thereof, and all the modifications and changes are intended to be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a LEL solenoid valve for on-line monitoring system, includes valve body (1), the both ends intercommunication of valve body (1) is provided with import (2) and export (3), the level is provided with separation blade (4) between import (2) and export (3), be provided with through-hole (5) on separation blade (4), its characterized in that: a guide cylinder (6) is arranged at the top of the valve body (1), a movable iron core (7) is arranged in the guide cylinder (6), a sealing filler (8) is arranged between the guide cylinder (6) and the movable iron core (7), the top end and the bottom end of the sealing filler (8) are connected with a guide cylinder (6) and are provided with a support plate (9), a protective shell (10) is detachably arranged at the top end of the guide cylinder (6), an electromagnetic coil (11) is arranged in the protective shell (10), a fixed iron core (12) is arranged at the top end of the electromagnetic coil (11), a spring (13) is arranged between the fixed iron core (12) and the movable iron core (7), the bottom end of the movable iron core (7) is provided with a valve core (14), a buffer tube (15) is arranged between the valve core (14) and the through hole (5), and the buffer tube (15) is provided with a flow guide hole (16).
2. The electromagnetic valve for the LEL online monitoring system according to claim 1, wherein: the bottom end of the valve core (14) is provided with a connecting column (17), the bottom end of the connecting column (17) is provided with an auxiliary closing block (18), and the auxiliary closing block (18) is provided with a buffer hole (19).
3. The electromagnetic valve for the LEL online monitoring system according to claim 2, wherein: the connecting column (17) is in threaded connection with the valve core (14) and the auxiliary closing block (18).
4. The electromagnetic valve for the LEL online monitoring system according to claim 1, wherein: and a sealing sleeve (20) is arranged above the sealing filler (8).
5. The solenoid valve for LEL on-line monitoring system of claim 4, wherein: the guide cylinder is characterized in that a mounting flange (21) is arranged at the top of the guide cylinder (6), a sealing gasket (22) matched with the mounting flange (21) is arranged at the top end of the sealing sleeve (20), and the sealing gasket (22) and the sealing sleeve (20) are integrally formed.
6. The solenoid valve for LEL on-line monitoring system of claim 5, wherein: the bottom of protective housing (10) is provided with flange (23), be provided with connecting bolt (24) between flange (23) and mounting flange (21).
7. The electromagnetic valve for the LEL online monitoring system according to claim 1, wherein: the outer side of the protective shell (10) is provided with a junction box (25), the junction box (25) is electrically connected with the electromagnetic coil (11), and the junction box (25) is connected with an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122611403.8U CN216589959U (en) | 2021-10-28 | 2021-10-28 | Electromagnetic valve for LEL online monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122611403.8U CN216589959U (en) | 2021-10-28 | 2021-10-28 | Electromagnetic valve for LEL online monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216589959U true CN216589959U (en) | 2022-05-24 |
Family
ID=81640297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122611403.8U Active CN216589959U (en) | 2021-10-28 | 2021-10-28 | Electromagnetic valve for LEL online monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216589959U (en) |
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2021
- 2021-10-28 CN CN202122611403.8U patent/CN216589959U/en active Active
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