CN218971833U

CN218971833U - Protection anti-blocking structure for electromagnetic valve

Info

Publication number: CN218971833U
Application number: CN202223161804.9U
Authority: CN
Inventors: 祝磊; 李荣虎
Original assignee: Suzhou Weituo Technology Co ltd
Current assignee: Suzhou Weituo Technology Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-05
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a protective anti-blocking structure for an electromagnetic valve, relates to the technical field of electromagnetic valve structures, and aims to solve the problems that the prior electromagnetic valve is provided with a filtering structure in a valve body for filtering, but filtered impurities are easy to accumulate, so that blocking can be caused. The inside of installation box is provided with spacing spout, the iron core is decided to the upper end of spacing spout, the iron core spring is installed to the below of deciding the iron core, the iron core is installed to the below of moving the iron core spring, movable ejector pin is installed to the below of moving the iron core, the disk seat is installed to the below of installation box, the disk seat is including connecting fixing base and runner pipe, the lower extreme of connecting the fixing base is provided with the runner pipe, piston seal spare is installed to the lower extreme of movable ejector pin, sealing piston is installed to the inside one end of piston seal spare, sealing spool is installed to the below of piston seal spare, prevent stifled pjncture needle is installed to one side of sealing spool.

Description

Protection anti-blocking structure for electromagnetic valve

Technical Field

The utility model relates to the technical field of electromagnetic valve structures, in particular to a protective anti-blocking structure for an electromagnetic valve.

Background

The electromagnetic valve is an electromagnetic control industrial device, is an automatic basic element for controlling fluid, is used for adjusting the direction, flow, speed and other parameters of a medium in an industrial control system, and can be matched with different circuits to realize expected control, so that the control precision and flexibility can be improved, and when the electromagnetic valve is electrified, the electromagnetic coil generates electromagnetic force to lift the closing member from the valve seat, so that the valve is opened; when the power is off, the electromagnetic force is eliminated, and the spring presses the closing member against the valve seat, so that the valve is closed.

Chinese patent grant publication No. CN113294526A, grant publication No. 2021, 24 days of 08, a prevent stifled type solenoid valve from taking flaring filter core, belong to the solenoid valve field, a prevent stifled type solenoid valve from taking flaring filter core, including the valve body, the inside of valve body is equipped with case and disk seat, the case is located the upside of disk seat, through setting up hemisphere casing filter screen in the valve body inside, and add at hemisphere casing filter screen outside and establish binaural cleaner and atress board, after the fluid gets into the valve body, through the filtration of hemisphere casing filter screen in advance, intercept the impurity in the fluid, simultaneously, impact to the atress board production after getting into the valve body through the fluid, drive binaural cleaner and atress board and rotate around hemisphere casing filter screen surface, not only realize clearing up hemisphere casing filter screen surface interception impurity, simultaneously in the clearance process, still can collect impurity, store, make impurity be difficult for mixing in the fluid again, difficult influence to the use of valve body.

However, the conventional solenoid valve filters through a filter structure provided inside a valve body, but impurities after filtration are easy to accumulate and difficult to discharge, so that the solenoid valve may be blocked, and therefore, a protective anti-blocking structure for the solenoid valve is urgently needed in the market to solve the problems.

Disclosure of Invention

The utility model aims to provide a protective anti-blocking structure for an electromagnetic valve, which solves the problems that the prior electromagnetic valve proposed in the prior art is provided with a filtering structure inside a valve body to filter, but filtered impurities are easy to accumulate and difficult to discharge, so that blocking is possibly caused.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a protection anti-blocking structure for solenoid valve, includes the mounting box, the terminal box is installed to one side of mounting box, the inside of mounting box is provided with spacing spout, the fixed iron core is installed to the upper end of spacing spout, the movable iron core spring is installed to the below of fixed iron core, movable iron core is installed to the below of movable iron core spring, movable ejector pin is installed to the below of movable iron core, the both sides of spacing spout all are provided with the fixed mounting groove, the internally mounted of fixed mounting groove has solenoid, the disk seat is installed to the below of mounting box, the disk seat is including connecting fixing base and runner pipe, the lower extreme of connecting the fixing base is provided with the runner pipe, piston seal spare is installed to the lower extreme of movable ejector pin, sealing piston is installed to the inside one end of piston seal spare, the case spring is installed to the upper end of piston seal spare, sealing valve core is installed to one side of sealing valve core, sealing seat inner wall one end is provided with sealing seat one, sealing seat one end is provided with sealing seat two.

Preferably, the junction box and the mounting box are of an integrated structure.

Preferably, the inside of connecting the fixing base is provided with spacing mounting groove, the lower extreme of activity ejector pin is located the inside of spacing mounting groove, activity ejector pin and movable iron core structure as an organic whole.

Preferably, two electromagnetic coils are arranged, and the two electromagnetic coils are symmetrical with respect to the vertical center line of the limiting chute.

Preferably, the lower extreme of installation box is provided with the fixed mounting seat, through set screw fixed connection between fixed mounting seat and the connection fixing base, set screw is provided with four, set screw's one end passes the fixed mounting seat and extends to the inside of connection fixing base.

Preferably, the piston sealing element and the movable ejector rod are of an integrated structure, and the sealing piston is connected with the piston sealing element through gluing.

Preferably, one end of the valve core spring is welded with the piston sealing element.

Preferably, the anti-blocking puncture needle is welded with the piston sealing element.

Preferably, one end of the inner walls at two ends of the flow pipeline is provided with mounting threads.

Preferably, the second sealing seat and the runner pipe are of an integrated structure, a buffer chute is arranged at one end of the second sealing seat, an anti-impact plate is arranged at the other end of the second sealing seat, and the first sealing seat and the runner pipe are of an integrated structure.

Compared with the prior art, the utility model has the beneficial effects that:

1. this kind of protection anti-blocking structure for solenoid valve, when the liquid outlet end of solenoid valve appears blockking up, through when opening the solenoid valve, solenoid produces electromagnetic induction, makes movable iron core upwards move, makes movable ejector pin drive piston sealing member and sealed case upwards move like this to make sealed department opened, simultaneously prevent blocking up the pjncture needle and leave the jam department, make the jam department can appear the cavity like this, when liquid flows to the jam department, liquid is strikeed the jam department, can dash the jam department very easily like this, thereby make liquid can flow, can make the solenoid valve have fine anti-blocking effect like this.

2. This kind of solenoid valve is with protection anti-blocking structure can effectually improve the sealed effect of spacing mounting groove through sealed piston, avoids liquid to appear leaking the condition from spacing mounting groove, can cushion liquid through the buffering chute that seal seat two set up to protection seal seat two that can be fine can destroy the impact force that gets into liquid through the protection impact plate of installation, thereby can be fine protect seal seat two.

Drawings

FIG. 1 is an overall front view of the present utility model;

FIG. 2 is an overall cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of a portion of area A of FIG. 2 in accordance with the present utility model;

fig. 4 is an enlarged view of a portion of the area B of fig. 2 in accordance with the present utility model.

In the figure: 1. a mounting box; 101. limiting sliding grooves; 102. a fixed mounting groove; 103. fixing the mounting base; 2. a junction box; 3. fixing an iron core; 4. a movable iron core spring; 5. a movable iron core; 6. an electromagnetic coil; 7. a movable ejector rod; 8. a valve seat; 801. the connecting fixing seat; 802. a limit mounting groove; 9. a fixing screw; 10. a sealing piston; 11. a piston seal; 12. sealing the valve core; 13. anti-blocking puncture needle; 14. a flow conduit; 1401. installing a thread; 15. a first sealing seat; 16. a second sealing seat; 1601. a buffer chute; 1602. an impact-resistant plate; 17. and a valve core spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a protection anti-blocking structure for solenoid valve, including mounting box 1, terminal box 2 is installed to one side of mounting box 1, the inside of mounting box 1 is provided with spacing spout 101, fixed iron core 3 is installed to the upper end of spacing spout 101, movable iron core spring 4 is installed to the below of fixed iron core 3, movable iron core 5 is installed to the below of movable iron core spring 4, movable ejector pin 7 is installed to the below of movable iron core 5, both sides of spacing spout 101 all are provided with fixed mounting groove 102, the internally mounted of fixed mounting groove 102 has solenoid 6, disk seat 8 is installed to the below of mounting box 1, disk seat 8 is including connecting fixing base 801 and circulation pipeline 14, the lower extreme of connecting fixing base 801 is provided with circulation pipeline 14, piston seal 11 is installed to the lower extreme of movable ejector pin 7, seal piston 10 is installed to the inside one end of piston seal 11, the case spring 17 is installed to the upper end of piston seal 11, seal valve core 12 is installed to one side of seal valve core 12 prevents stifled pjncture needle 13, seal seat 15 is installed to one end of the inner wall of circulation pipeline 14, seal seat 15 is provided with two seal seat 16.

Referring to fig. 1, the junction box 2 and the mounting box 1 are integrally formed, so that the structural firmness between the junction box 2 and the mounting box 1 can be improved.

Referring to fig. 2, a limit mounting groove 802 is formed in the connecting fixing seat 801, the lower end of the movable ejector rod 7 is located in the limit mounting groove 802, the movable ejector rod 7 and the movable iron core 5 are of an integrated structure, the structure between the movable ejector rod 7 and the movable iron core 5 is firmer, the movable iron core 5 moves, and accordingly the movable ejector rod 7 can drive the piston sealing element 11 and the sealing valve core 12 to move, and accordingly the electromagnetic valve can be conveniently opened or closed.

Referring to fig. 2 and 3, two electromagnetic coils 6 are provided, and the two electromagnetic coils 6 are symmetrical with respect to a vertical center line of the limit chute 101, and electromagnetic induction can be performed by the installed electromagnetic coils 6, so that the movable iron core 5 can be moved, and thus the electromagnetic valve can be operated.

Referring to fig. 1 and 2, a fixed mounting seat 103 is provided at the lower end of the mounting box 1, the fixed mounting seat 103 is fixedly connected with a connecting fixing seat 801 through fixing screws 9, four fixing screws 9 are provided, one end of each fixing screw 9 penetrates through the fixed mounting seat 103 and extends to the inside of the connecting fixing seat 801, and the fixing screws 9 can conveniently mount and fix the fixed mounting seat 103 and the connecting fixing seat 801.

Referring to fig. 2, the piston sealing member 11 and the movable ejector rod 7 are of an integral structure, the sealing piston 10 is connected with the piston sealing member 11 through adhesive, so that the structure between the piston sealing member 11 and the movable ejector rod 7 is firmer, the piston sealing member 11 and the movable ejector rod 7 can be conveniently installed and fixed, and the situation that relative rotation occurs between the sealing piston 10 and the piston sealing member 11 is avoided, thereby influencing the sealing effect.

Referring to fig. 2, one end of the spool spring 17 is welded to the piston seal 11, so that the structure between the spool spring 17 and the piston seal 11 is more firm, and the installed spool spring 17 can push the piston seal 11 to return, so that the sealing spool 12 can seal the first sealing seat 15 and the second sealing seat 16.

Referring to fig. 2 and 4, the anti-blocking puncture needle 13 is welded with the piston sealing member 11, so that the structure between the anti-blocking puncture needle 13 and the piston sealing member 11 is firmer, the liquid outlet end can be punctured through the anti-blocking puncture needle 13, the situation that the liquid outlet end is blocked can be avoided, when the blockage occurs, the blocking position can be punctured through the anti-blocking puncture needle 13, and thus liquid can impact the blocking position when flowing, and sundries blocked can flow away along with the liquid.

Referring to fig. 2, mounting threads 1401 are provided on one end of the inner walls of the two ends of the flow conduit 14, and by this arrangement, the solenoid valve can be conveniently mounted in a connecting manner.

Referring to fig. 2, the second sealing seat 16 and the flow pipeline 14 are of an integral structure, a buffer chute 1601 is disposed at one end of the second sealing seat 16, an anti-impact plate 1602 is disposed at the other end of the second sealing seat 16, the first sealing seat 15 and the flow pipeline 14 are of an integral structure, the structure between the second sealing seat 16 and the flow pipeline 14 is more firm, the buffer chute 1601 is disposed to buffer liquid, so that the second sealing seat 16 is well protected, and the impact force of the entering liquid can be destroyed by the mounted anti-impact plate 1602, so that the second sealing seat 16 is well protected.

Working principle: when the electromagnetic valve is used, when the liquid outlet end of the electromagnetic valve is blocked, electromagnetic induction is generated by the electromagnetic coil 6 when the electromagnetic valve is opened, the movable iron core 5 moves upwards, so that the movable ejector rod 7 drives the piston sealing element 11 and the sealing valve core 12 to move upwards, the sealing part is opened, meanwhile, the anti-blocking puncture needle 13 is separated from the blocking part, a cavity can be formed in the blocking part, when liquid flows to the blocking part, the blocking part is impacted by the liquid, so that the blocking part can be very easily flushed, the liquid can flow, the electromagnetic valve can have a good anti-blocking effect, the sealing piston 10 is arranged in the piston sealing element 11, the sealing effect of the limiting installation groove 802 can be effectively improved through the sealing piston 10, the leakage of the liquid is avoided from the limiting installation groove 802, the buffer chute 1601 arranged through the sealing seat II 16 can buffer the liquid, the sealing seat II 16 can be well protected, and the impact force of the liquid entering the sealing seat II 16 can be well protected through the impact plate 1602 arranged.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a protection anti-blocking structure for solenoid valve, includes mounting box (1), its characterized in that: junction box (2) are installed to one side of installation box (1), the inside of installation box (1) is provided with spacing spout (101), fixed iron core (3) are installed to the upper end of spacing spout (101), movable iron core spring (4) are installed to the below of fixed iron core (3), movable iron core (5) are installed to the below of movable iron core spring (4), movable ejector pin (7) are installed to the below of movable iron core (5), both sides of spacing spout (101) all are provided with fixed mounting groove (102), the internally mounted of fixed mounting groove (102) has solenoid (6), disk seat (8) are installed to the below of installation box (1), disk seat (8) are including connecting fixing base (801) and runner pipe (14), the lower extreme of connecting fixing base (801) is provided with runner pipe (14), piston seal (11) are installed to the lower extreme of movable ejector pin (7), seal piston (10) are installed to one end inside piston seal (11), seal plug (12) are installed to piston seal (12) under the upper end (11), seal plug (12) are installed to one side of puncture needle (12), one end of the inner wall of the flow pipeline (14) is provided with a first sealing seat (15), and one end of the first sealing seat (15) is provided with a second sealing seat (16).

2. The protective anti-blocking structure for a solenoid valve according to claim 1, wherein: the junction box (2) and the installation box (1) are of an integrated structure.

3. The protective anti-blocking structure for a solenoid valve according to claim 1, wherein: the inside of connecting fixing base (801) is provided with spacing mounting groove (802), the lower extreme of activity ejector pin (7) is located the inside of spacing mounting groove (802), activity ejector pin (7) and movable iron core (5) structure as an organic whole.

4. The protective anti-blocking structure for a solenoid valve according to claim 1, wherein: two electromagnetic coils (6) are arranged, and the two electromagnetic coils (6) are symmetrical with respect to the vertical center line of the limit chute (101).

5. The protective anti-blocking structure for a solenoid valve according to claim 1, wherein: the lower extreme of installation box (1) is provided with fixed mounting seat (103), through fixing screw (9) fixed connection between fixed mounting seat (103) and connection fixing base (801), fixing screw (9) are provided with four, the one end of fixing screw (9) passes fixed mounting seat (103) and extends to the inside of connection fixing base (801).

6. The protective anti-blocking structure for a solenoid valve according to claim 1, wherein: the piston sealing element (11) and the movable ejector rod (7) are of an integrated structure, and the sealing piston (10) is connected with the piston sealing element (11) through gluing.

7. The protective anti-blocking structure for a solenoid valve according to claim 1, wherein: one end of the valve core spring (17) is welded with the piston sealing element (11).

8. The protective anti-blocking structure for a solenoid valve according to claim 1, wherein: the anti-blocking puncture needle (13) is welded with the piston sealing element (11).

9. The protective anti-blocking structure for a solenoid valve according to claim 1, wherein: one end of the inner walls of the two ends of the flow pipeline (14) is provided with mounting threads (1401).

10. The protective anti-blocking structure for a solenoid valve according to claim 1, wherein: the sealing seat II (16) and the flow pipeline (14) are of an integrated structure, a buffer chute (1601) is arranged at one end of the sealing seat II (16), an anti-impact plate (1602) is arranged at the other end of the sealing seat II (16), and the sealing seat I (15) and the flow pipeline (14) are of an integrated structure.