CN210770412U

CN210770412U - Controllable time-delay electromagnetic valve

Info

Publication number: CN210770412U
Application number: CN201921668392.3U
Authority: CN
Inventors: 季善宏; 夏克洲
Original assignee: Shanghai Juliang Solenoid Valve Manufacture Co ltd
Current assignee: Shanghai Juliang Solenoid Valve Manufacture Co ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-06-16
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a controllable formula time delay solenoid valve relates to the solenoid valve field, does not have the problem of the solenoid valve of buffering when closing the valve through circuit control for solving on the market. The utility model discloses a two-way four-way solenoid valve includes valve body and last valve body down, the feed liquor end of lower valve body and the feed liquor end of last valve body communicate two liquid ends of first tee bend respectively, the other end of first tee bend is the entry, it is provided with the feed liquor pipe to go up between the liquid end of valve body and the container, the play liquid end of going up the valve body passes through feed liquor pipe intercommunication with the container, the play liquid end of container is provided with the drain pipe, the play liquid end of container and the feed liquor end of direct solenoid valve pass through the drain pipe intercommunication, the play liquid end of direct solenoid valve and the play liquid end of lower valve body communicate two three-way feed liquor ends of second respectively, the three-way. The utility model discloses can provide the solenoid valve that more is fit for control, and can effectively reduce the buffering when closing the valve.

Description

Controllable time-delay electromagnetic valve

Technical Field

The utility model relates to a solenoid valve field specifically is a controllable formula time delay solenoid valve.

Background

The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. There are many types of solenoid valves, with different solenoid valves functioning at different locations in the control system, the most common being one-way valves, safety valves, directional control valves, speed control valves, etc. In order to realize the control of the time delay switch, the electromagnetic valve only needs to use PLC program control time delay, is very convenient, and can also use a time delay relay to realize manual time delay switch and the like.

At present, when a controllable time-delay electromagnetic valve on the market is closed, the controllable time-delay electromagnetic valve can be subjected to stronger instantaneous impact force of liquid as a common electromagnetic valve, the controlled effect cannot be exerted in the aspect of buffering, however, the controllable time-delay electromagnetic valve device for reducing buffering is not available on the market, and therefore, the controllable time-delay electromagnetic valve is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a controllable formula time delay solenoid valve to the problem that does not have the solenoid valve of buffering when can reduce the shut-off valve through circuit control in the market that proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a controllable formula time delay solenoid valve, includes straight-through solenoid valve, first tee bend, second tee bend, two-way four-way solenoid valve and container, two-way four-way solenoid valve includes valve body and last valve body down, down the feed liquor end of valve body with the feed liquor end of going up the valve body communicates respectively two play liquid ends of first tee bend, the other end of first tee bend is the entry, go up the liquid end of valve body with be provided with the feed liquor pipe between the container, go up the liquid end of valve body with the container passes through feed liquor pipe intercommunication, the play liquid end of container is provided with the drain pipe, the play liquid end of container with the feed liquor end of straight-through solenoid valve passes through the drain pipe intercommunication, the play liquid end of straight-through solenoid valve with the play liquid end of valve body communicates respectively two feed liquor ends of second tee bend, the other end of second tee bend is the export.

Preferably, the upper end of the lower valve body of the two-way four-way solenoid valve is provided with a lower valve cover, and a lower valve seat and a lower valve core are arranged inside the lower valve body.

Preferably, the lower end of the upper valve body of the two-way four-way solenoid valve is provided with an upper valve cover, and an upper valve seat and an upper valve core are arranged inside the upper valve body.

Preferably, a coil is arranged between the lower valve cover and the upper valve cover, a spool is arranged on one side of the coil, an iron core is arranged in the middle of the coil, the iron core penetrates through the middle of the lower valve core and the middle of the upper valve core and is fixedly connected with the lower valve core and the upper valve core respectively, and the iron core is slidably connected with the lower valve cover and the upper valve cover respectively.

Preferably, a lower groove is formed in the middle of the lower valve cover, a lower flange is arranged on the outer side, located at the middle of the lower valve cover, of the iron core, the lower flange is in sliding connection with the lower groove, and a lower spring is arranged between the lower flange and the upper end of the lower groove.

Preferably, the middle part of the upper valve cover is provided with an upper groove, the outer side of the iron core, which is located at the middle part of the upper valve cover, is provided with an upper flange, the upper flange is in sliding connection with the upper groove, and an upper spring is arranged between the upper flange and the upper end of the upper groove.

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

1. the controllable time-delay electromagnetic valve mainly comprises two valve members and a container, and can redirect fluid to the container when the valve is closed, so that the pipe diameter can be increased, the pressure intensity can be reduced, a larger buffer space can be provided, and the impact problem when the valve is closed is effectively solved.

2. The controllable time-delay electromagnetic valve comprises two valve members which can be respectively controlled, thereby forming various switch action combinations, better utilizing circuit control and realizing more precise buffer control action.

Drawings

FIG. 1 is a schematic structural diagram of a conventional through solenoid valve in the market in a front view;

fig. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic diagram of the internal structure of a two-way four-way solenoid valve;

fig. 4 is a schematic view of the two-way four-way solenoid valve shown in fig. 3 in an operating state.

In the figure: 1. a two-way four-way solenoid valve; 101. a lower valve body; 102. an upper valve body; 111. a lower valve seat; 112. an upper valve seat; 12. an iron core; 1201. a lower flange; 1202. an upper flange; 121. a lower valve core; 122. an upper valve core; 131. a lower valve cover; 132. an upper valve cover; 141. a lower spring; 142. an upper spring; 15. a coil; 16. a conduit; 2. a container; 21. a liquid inlet pipe; 22. a liquid outlet pipe; 700. a straight-through electromagnetic valve; 801. a first tee joint; 802. a second tee joint; 81. an inlet; 82. and (7) an outlet.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a controllable time-delay electromagnetic valve comprises a straight-through electromagnetic valve 700, a first tee 801, a second tee 802, a two-way four-way electromagnetic valve 1 and a container 2, wherein the straight-through electromagnetic valve 700 is a common straight-through electromagnetic valve in the market, the first tee 801 and the second tee 802 are common tee pipe fittings in the market, and the container 2 can be containers in various forms, such as a barrel with a large volume at a fixed position and an opening at the upper end, or a sealed tank with an air pipe for adjusting internal pressure at the upper end, and the like; the two-way four-way electromagnetic valve 1 comprises a lower valve body 101 and an upper valve body 102, wherein a liquid inlet end of the lower valve body 101 and a liquid inlet end of the upper valve body 102 are respectively communicated with two liquid outlet ends of a first tee joint 801, the other end of the first tee joint 801 is an inlet 81, a liquid inlet pipe 21 is arranged between the liquid outlet end of the upper valve body 102 and a container 2, the liquid outlet end of the upper valve body 102 is communicated with the container 2 through the liquid inlet pipe 21, a liquid outlet pipe 22 is arranged at the liquid outlet end of the container 2, the liquid outlet end of the container 2 is communicated with the liquid inlet end of a straight-through electromagnetic valve 700 through the liquid outlet pipe 22, the liquid outlet end of the straight-through electromagnetic valve 700 and the liquid outlet end of the lower valve body 101 are respectively communicated with the two liquid inlet ends of a second tee joint 802, the other end of the second tee joint 802 is an outlet 82, the lower.

Further, the upper end of the lower valve body 101 of the two-way four-way solenoid valve 1 is provided with a lower valve cover 131, and the lower valve body 101 is internally provided with a lower valve seat 111 and a lower valve core 121 which are matched with each other.

Further, the lower end of the upper valve body 102 of the two-way four-way solenoid valve 1 is provided with an upper valve cap 132, and the interior of the upper valve body 102 is provided with the upper valve seat 112 and the upper valve core 122 which are matched.

Further, a coil 15 is arranged between the lower valve cover 131 and the upper valve cover 132, a spool 16 is arranged on one side of the coil 15, an iron core 12 is arranged in the middle of the coil 15, the iron core 12 penetrates through the middle of the lower valve core 121 and the upper valve core 122 and is fixedly connected with the lower valve core 121 and the upper valve core 122 respectively, the iron core 12 is slidably connected with the lower valve cover 131 and the upper valve cover 132 respectively, and when the coil 15 is electrified, the iron core 12 is forced upwards.

Further, a lower groove is formed in the middle of the lower valve cover 131, a lower flange 1201 is formed on the outer side of the iron core 12 located at the middle of the lower valve cover 131, the lower flange 1201 is slidably connected with the lower groove, and a lower spring 141 is disposed between the lower flange 1201 and the upper end of the lower groove.

Further, an upper groove is formed in the middle of the upper valve cover 132, an upper flange 1202 is formed on the outer side of the iron core 12 located in the middle of the upper valve cover 132, the upper flange 1202 is slidably connected with the upper groove, and an upper spring 142 is arranged between the upper flange 1202 and the upper end of the upper groove.

The working principle is as follows: when the valve is used, the coil 15 of the two-way four-way electromagnetic valve 1 and the coil of the through electromagnetic valve 700 are respectively and electrically connected through control devices such as circuit elements or PLC programs, the control can be carried out in the following sequence, the through electromagnetic valve 700 is powered off firstly, the two-way four-way electromagnetic valve 1 is powered on, the iron core 12 faces upwards, and fluid flows through the lower valve body 101 from the inlet 81 and flows out from the outlet 82; then the two-way four-way electromagnetic valve 1 is powered off, the iron core 12 faces downwards, and fluid flows through the upper valve body 102 and enters the container 2; the two-way four-way electromagnetic valve 1 is electrified, the through electromagnetic valve 700 is electrified, after all the fluid in the container 2 flows out from the outlet 82 through the through electromagnetic valve 700, the through electromagnetic valve 700 is powered off, and the process from through flow to cut-off and then to through flow is completed; the control manner of the controllable time-delay solenoid valve is not limited to the above-described sequence.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 controllable formula time delay solenoid valve which characterized in that: the device comprises a straight-through electromagnetic valve (700), a first tee joint (801), a second tee joint (802), a two-way four-way electromagnetic valve (1) and a container (2), wherein the two-way four-way electromagnetic valve (1) comprises a lower valve body (101) and an upper valve body (102), the liquid inlet end of the lower valve body (101) and the liquid inlet end of the upper valve body (102) are respectively communicated with two liquid outlet ends of the first tee joint (801), the other end of the first tee joint (801) is an inlet (81), the liquid outlet end of the upper valve body (102) and the container (2) are provided with a liquid inlet pipe (21), the liquid outlet end of the upper valve body (102) is communicated with the container (2) through the liquid inlet pipe (21), the liquid outlet end of the container (2) is provided with a liquid outlet pipe (22), the liquid outlet end of the container (2) is communicated with the liquid inlet end of the straight-through electromagnetic valve (700), the liquid outlet end of the straight-through electromagnetic valve (700) and the liquid outlet end of the lower valve body (101) are respectively communicated with two liquid inlet ends of the second tee joint (802), and the other end of the second tee joint (802) is an outlet (82).

2. A controllable time-delay electromagnetic valve according to claim 1, characterized in that: the upper end of the lower valve body (101) of the two-way four-way electromagnetic valve (1) is provided with a lower valve cover (131), and a lower valve seat (111) and a lower valve core (121) are arranged inside the lower valve body (101).

3. A controllable time-delay electromagnetic valve according to claim 2, characterized in that: the lower end of the upper valve body (102) of the two-way four-way electromagnetic valve (1) is provided with an upper valve cover (132), and an upper valve seat (112) and an upper valve core (122) are arranged inside the upper valve body (102).

4. A controllable time-delay electromagnetic valve according to claim 3, characterized in that: a coil (15) is arranged between the lower valve cover (131) and the upper valve cover (132), a line pipe (16) is arranged on one side of the coil (15), an iron core (12) is arranged in the middle of the coil (15), the iron core (12) penetrates through the middle of the lower valve core (121) and the upper valve core (122) and is fixedly connected with the lower valve core (121) and the upper valve core (122) respectively, and the iron core (12) is connected with the lower valve cover (131) and the upper valve cover (132) in a sliding mode respectively.

5. A controllable time-delay electromagnetic valve according to claim 4, characterized in that: the middle of the lower valve cover (131) is provided with a lower groove, the outer side of the iron core (12) positioned at the middle of the lower valve cover (131) is provided with a lower flange (1201), the lower flange (1201) is connected with the lower groove in a sliding mode, and a lower spring (141) is arranged between the lower flange (1201) and the upper end of the lower groove.

6. A controllable time-delay electromagnetic valve according to claim 5, characterized in that: the middle part of the upper valve cover (132) is provided with an upper groove, the outer side of the iron core (12) positioned at the middle part of the upper valve cover (132) is provided with an upper flange (1202), the upper flange (1202) is in sliding connection with the upper groove, and an upper spring (142) is arranged between the upper flange (1202) and the upper end of the upper groove.