CN217502750U

CN217502750U - Modular electromagnetic valve for LEL on-line monitoring

Info

Publication number: CN217502750U
Application number: CN202123064842.8U
Authority: CN
Inventors: 伍树文; 经纬; 何冠群
Original assignee: Yangzhou Sukong Automation Equipment Co ltd
Current assignee: Yangzhou Sukong Automation Equipment Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-09-27
Anticipated expiration: 2031-12-08

Abstract

The utility model relates to a combined type electromagnetic valve for LEL online monitoring, which comprises a valve structure, an electromagnetic structure and a protection structure, the electromagnetic structures are arranged at the left end and the right end of the valve structure, the protection structures are arranged on the valve structure, the valve structure comprises a valve body and a valve box, the valve box comprises a left valve box and a right valve box, connecting pieces are arranged on the left valve box and the right valve box, the connecting pieces are connected through bolts, so that the left valve box and the right valve box can be assembled quickly, through holes are arranged on the left valve box and the right valve box, the valve body is arranged in the through holes and is connected with the through holes in a sliding way, the electromagnetic structure comprises a coil, an iron core, a coil rack and an installation shell, the whole electromagnetic structure is formed, and the valve structure is convenient to open or close by moving the valve body.

Description

Modular solenoid valve for LEL on-line monitoring

Technical Field

The utility model relates to a solenoid valve technical field for the on-line monitoring specifically is a modular solenoid valve for LEL on-line monitoring.

Background

The LEL on-line monitoring aims to solve the safety problem of a workshop factory, and the LEL on-line monitoring is used for detecting the content of combustible gas in the factory, analyzing data and converting a circuit, transmitting the content to a host control system through a signal line, analyzing the content from the control system to a central monitoring computer, and monitoring, recording and analyzing the concentration value of the combustible gas in the factory. If the LEL on-line monitoring system detects that the gas concentration continuously rises and reaches a high limit alarm value, the control system outputs a high limit alarm signal (pulse signal) to start a tight cut-off electromagnetic valve and cut off a gas source. The existing electromagnetic valve is lack of protection, the valve can only be opened or closed, when the electromagnetic valve fails, the valve cannot be closed, manual operation cannot be performed, danger is easily caused, and the valve is too complex to maintain and is inconvenient to maintain. The utility model discloses a new solution is proposed to above problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a modular solenoid valve for LEL on-line monitoring to solve the technical problem who mentions in the background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a combined electromagnetic valve for LEL online detection comprises a valve structure, an electromagnetic structure and a protection structure, wherein the electromagnetic structure is arranged at the left end and the right end of the valve structure, the protection structure is arranged on the valve structure, the valve structure comprises a valve body and a valve box, the valve box comprises a left valve box and a right valve box, connecting pieces are arranged on the left valve box and the right valve box, the connecting pieces are connected through bolts, through holes are formed in the left valve box and the right valve box, the valve body is arranged in the through holes and is in sliding connection with the through holes, the electromagnetic structure comprises a coil, an iron core, a coil rack and an installation shell, the coil is fixedly arranged on the coil rack, the lower end of the coil rack is fixedly arranged on the iron core, the upper end of the coil is fixedly arranged in the installation shell, the mounting shells are mounted at the left end and the right end of the left valve box and used for controlling the valve body to move left and right to close or open the valve.

Preferably, the protection architecture includes keeping off ring and ring piece, keep off ring fixed mounting set up on left valve box the left end of through-hole, ring piece fixed mounting in set up on the left valve box the right-hand member of through-hole, ring piece inner wall fluting, ring piece diameter is greater than the through-hole diameter, be provided with on the ring piece with valve body complex first pipeline, keep off the ring and can restrict the displacement of valve body.

Preferably, pull rods are arranged at the left end and the right end of the valve body, threaded holes are formed in the left end and the right end of the valve body, and the pull rods are in threaded connection with the threaded holes, so that the valve body can be pulled manually.

Preferably in further, a sliding block is arranged at the left end of the valve body, and a sliding groove corresponding to the sliding block is arranged on the inner wall of the first pipeline, so that the valve body slides in the first pipeline and is not easy to rotate.

In further preferred, right side valve housing right-hand member is provided with the back lid, the back lid with right side valve housing passes through threaded connection, the left end of right side valve housing is provided with the second pipeline, be provided with first recess and second recess on the second pipeline, the slider of valve body is in first recess or rotate in the second recess, will the valve body blocks, is convenient for the long opening or the normal close of right side valve housing protects the mechanism.

In a further preferred aspect, a bump is disposed on the connecting piece on the left valve box, and a mounting groove matched with the bump is disposed on the connecting piece on the right valve box, so that the sealing performance between the left valve box and the right valve box is improved.

(III) advantageous effects

Compared with the prior art, the utility model provides a modular LEL solenoid valve for on-line measuring possesses following beneficial effect:

the utility model discloses in through setting up left valve case and right valve case, two sets of valve structure have been set up, the security of valve structure has been improved, install the electromagnetic structure on the valve case through the setting, the electromagnetic control to the valve body has been realized, through setting up the fender ring, make left valve case left end electromagnetic mechanism only supply closed valve body to use, right-hand member electromagnetic structure only supplies to open valve body and uses, through being provided with the slider cooperation on ring piece and the valve body, can make the valve body rotatory in the ring piece, prevent that this meeting of solenoid from sliding under the closed condition when electromagnetic means became invalid or out of control, set up lug on the left valve case connection piece and the mounting groove on the right valve case and cooperate, whole valve structure's leakproofness has been increased, through setting up the pull rod on the valve body, the artifical pull rod of accessible is opened and shut to valve structure when solenoid means became invalid.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a solenoid valve for online monitoring of LEL in the present invention;

fig. 2 is a schematic cross-sectional structure diagram of a left valve box of an electromagnetic valve for online monitoring of LEL of the present invention;

fig. 3 is a schematic cross-sectional structure view of a right valve box of a solenoid valve for online monitoring of LEL in the present invention;

fig. 4 is the structure cooperation schematic diagram of the electromagnetic mechanism, the pull rod and the valve body of the electromagnetic valve for the LEL online monitoring of the utility model.

In the figure: 1. a valve body; 2. a left valve box; 3. a right valve housing; 4. connecting sheets; 5. a through hole; 6. a coil; 7. an iron core; 8. a bobbin; 9. mounting a shell; 10. a baffle ring; 11. a ring block; 12. a first conduit; 13. a pull rod; 14. a threaded hole; 15. a slider; 16. a chute; 17. A rear cover; 18. a second pipe; 19. a first groove; 20. a second groove; 21. a bump; 22. And (7) installing a groove.

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.

Example 1:

referring to fig. 1-4, a combined electromagnetic valve for online monitoring of LEL comprises a valve structure, an electromagnetic structure and a protection structure, wherein the electromagnetic structure is installed at the left and right ends of the valve structure, the protection structure is arranged on the valve structure, the valve structure comprises a valve body 1 and a valve box, the valve box comprises a left valve box 2 and a right valve box 3, connecting pieces 4 are respectively arranged on the left valve box 2 and the right valve box 3, the connecting pieces 4 are connected through bolts, through holes 5 are respectively arranged on the left valve box 2 and the right valve box 3, the valve body 1 is installed in the through hole 5, the valve body 1 is connected with the through hole 5 in a sliding manner, the electromagnetic structure comprises a coil 6, an iron core 7, a coil frame 8 and an installation shell 9, the coil 6 is fixedly installed on the coil frame 8, the lower end of the coil frame 8 is fixedly installed on the iron core 7, the upper end of the coil 6 is fixedly installed in the installation shell 9, the installation shell 9 is installed at the left and right ends of the left valve box 2, used for controlling the valve body 1 to move left and right to close or open the valve.

In this embodiment, protection architecture includes fender ring 10 and ring piece 11, keeps off ring 10 fixed mounting and sets up on left valve box 2 the left end of through-hole 5, and ring piece 11 fixed mounting is at the right-hand member of the through-hole 5 that sets up on

left valve box

2, and 11 inner walls of ring piece fluting, ring piece 11 diameter are greater than the through-hole 5 diameter, be provided with on the ring piece 11 with valve body 1 complex first pipeline 12, keep off ring 10 can restrict valve body 1's displacement.

In this embodiment, both ends all are provided with pull rod 13 about valve body 1, and both ends all are provided with screw hole 14 about valve body 1, and pull rod 13 passes through threaded connection with screw hole 14, the manual pulling valve of being convenient for.

In this embodiment, a sliding block 15 is disposed at the left end of the valve body 1, and a sliding groove 16 corresponding to the sliding block 15 is disposed on the inner wall of the first pipeline 12, so that the valve body 1 slides in the pipeline and is not easy to rotate.

In this embodiment, the right end of the right valve box 3 is provided with a rear cover 17, the rear cover 17 is in threaded connection with the right valve box 3, the left end of the right valve box 3 is provided with a second pipeline 18, the second pipeline 18 is provided with a first groove 19 and a second groove 20, the sliding block 15 of the valve body 1 rotates in the first groove 19 or the second groove 20, the valve body 1 is clamped, the right valve box 3 is convenient to open or close normally, and the mechanism is protected.

In this embodiment, a bump 21 is disposed on the connecting sheet 4 on the left valve housing 2, and an installation groove 22 matched with the bump 21 is disposed on the connecting sheet 4 on the right valve housing 3, so as to increase the sealing performance between the left valve housing 2 and the right valve housing 3.

Example 2:

in conclusion, when in use, the convex block 21 of the left valve box 2 is matched with the mounting groove 22 on the right valve box 3, the connecting sheets 4 arranged on the left valve box 2 and the right valve box 3 are connected together through bolts, the slide block 15 on the valve body 1 is matched with the slide groove 16 on the first pipeline 12, the valve body 1 is arranged in the through holes 5 of the left valve box 2 and the right valve box 3, the electromagnetic structures are arranged at the left end and the right end of the left valve box 2, the pull rod 13 is threaded into the threaded hole 14 arranged on the valve body 1 through the electromagnetic structure of the left valve box 2 and the first pipeline 12, the installation of the valve body 1 of the left valve box 2 is completed, the slide block 15 on the valve body 1 is matched with the slide groove 16 arranged on the second pipeline 18, the valve body 1 is arranged in the through hole 5 of the right valve box 3, the pull rod 13 is threaded into the threaded hole 14 arranged on the valve body 1, the rear cover 17 is arranged at the rear end of the right valve box 3, and completing the assembly of the whole valve structure.

Example 3:

in summary, during normal use, the electromagnetic structure at the right end of the left valve box 2 attracts the valve body 1, the valve body 1 moves in the left valve box 2 along the chute 16, the whole valve structure is opened, when the electromagnetic structure at the left end of the left valve box 2 attracts the valve body 1, the whole valve structure is closed, the valve body 1 is pulled into the pipeline of the right valve box 3 through the pull rod 13, the pull rod 13 is rotated, the slide block 15 on the valve body 1 is clamped in the first groove 19 and the second groove 20, and the valve of the right valve box 3 is kept normally open; when electromagnetic device became invalid, through the pull rod 13 of 2 left ends in the left side of left valve box, pull in the through-hole 5 with valve body 1 along spout 16, close whole valve structure, rotatory pull rod 13, with the slider 15 card of valve body 1 in the ring piece 11, make whole valve structure can't open by oneself.

In all the above-mentioned embodiments, the connection between two components may be selected from welding, bolt and nut fit connection, bolt or screw connection or other known connection methods according to actual situations, and it is not necessary to describe herein in detail, and in the above description, all the connections related to the fixed connection have been written, and welding is preferred, and although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined electromagnetic valve for LEL online monitoring comprises a valve structure, an electromagnetic structure and a protection structure, wherein the electromagnetic structure is arranged at the left end and the right end of the valve structure, the protection structure is arranged on the valve structure, and the electromagnetic structure is characterized in that the valve structure comprises a valve body (1) and a valve box, the valve box comprises a left valve box (2) and a right valve box (3), connecting pieces (4) are arranged on the left valve box (2) and the right valve box (3), the connecting pieces (4) are connected through bolts, through holes (5) are formed in the left valve box (2) and the right valve box (3), the valve body (1) is arranged in the through holes (5), the valve body (1) is connected with the through holes (5) in a sliding manner, the electromagnetic structure comprises a coil (6), an iron core (7), a coil rack (8) and an installation shell (9), the coil (6) is fixedly installed on the coil rack (8), the lower end of the coil rack (8) is fixedly installed on the iron core (7), the upper end of the coil (6) is fixedly installed in the installation shell (9), and the installation shell (9) is installed at the left end and the right end of the left valve box (2).

2. The combined electromagnetic valve for LEL online monitoring according to claim 1, wherein: the protection architecture includes fender ring (10) and ring piece (11), keep off ring (10) fixed mounting set up on left valve box (2) the left end of through-hole (5), ring piece (11) fixed mounting in set up on left valve box (2) the right-hand member of through-hole (5), ring piece (11) inner wall fluting, be provided with on ring piece (11) with valve body (1) complex first pipeline (12).

3. The combined electromagnetic valve for LEL online monitoring according to claim 1, wherein: both ends all are provided with pull rod (13) about valve body (1), both ends all are provided with screw hole (14) about valve body (1), pull rod (13) with screw hole (14) pass through threaded connection.

4. The combined electromagnetic valve for LEL online monitoring according to claim 2, wherein: the valve is characterized in that a sliding block (15) is arranged at the left end of the valve body (1), and a sliding groove (16) corresponding to the sliding block (15) is arranged on the first pipeline (12).

5. The combined electromagnetic valve for LEL online monitoring according to claim 1, wherein: right side valve box (3) right-hand member is provided with back lid (17), back lid (17) with right side valve box (3) pass through threaded connection, the left end of right side valve box (3) is provided with second pipeline (18), be provided with first recess (19) and second recess (20) on second pipeline (18).

6. The combined electromagnetic valve for LEL online monitoring according to claim 1, wherein: the left valve box (2) is provided with a convex block (21) on the connecting piece (4), and the right valve box (3) is provided with a mounting groove (22) matched with the convex block (21) on the connecting piece (4).