CN221323486U

CN221323486U - Compact combined electromagnetic valve capable of preventing liquid leakage

Info

Publication number: CN221323486U
Application number: CN202323539870.XU
Authority: CN
Inventors: 罗冉; 孟洋; 贺越悦
Original assignee: Shaanxi Qingyun Zhitong Fluid Control Equipment Co ltd
Current assignee: Shaanxi Qingyun Zhitong Fluid Control Equipment Co ltd
Filing date: 2023-12-25
Publication date: 2024-07-12
Anticipated expiration: 2033-12-25

Abstract

The utility model relates to the technical field of fluid control, and discloses a liquid leakage prevention compact combined electromagnetic valve, which comprises: the integrated valve plate is characterized in that external interfaces are formed in two sides of the outer wall of the integrated valve plate at equal intervals, an integrated flow channel is formed in the integrated valve plate, an integrated inner cavity communicated with the integrated flow channel is formed in the top of the integrated valve plate at equal intervals, and an annular boss sealing port and a normally-open opening are formed in the joint of the integrated inner cavity and the integrated flow channel; and the electromagnetic valve structure assembly is arranged on the integrated valve plate. Through the installation of design no ring flange, occupation space is little, compact structure, directly penetrates from integrated valve plate back through long screw, with yoke, package plastic case, back up, integrated valve plate fastening connection, each single solenoid valve adopts the installation of no ring flange structure on the combination valve, has saved the volume that ring flange and ring flange installation screw occupy, and the structure is compacter, and occupation space is little.

Description

Compact combined electromagnetic valve capable of preventing liquid leakage

Technical Field

The utility model relates to the technical field of fluid control, in particular to a liquid leakage prevention compact combined electromagnetic valve.

Background

With the development of the technical level, the development trend of miniaturization, integration and modularization of equipment is that. The combined electromagnetic valve product is used in the environment monitoring instrument to gradually replace the original structure form that a plurality of single electromagnetic valves are mutually connected through external pipelines, so that the space utilization rate is improved, the pipeline leakage risk is reduced, and the maintenance cost is reduced.

The existing combined electromagnetic valve is installed by adopting a flange plate structure, the occupied space of the flange plate is large, the combined electromagnetic valve is large in occupied space and not compact in structure, and additional installation screws are needed for fixing.

The existing combined electromagnetic valve has the advantages that each single electromagnetic valve sealing port is machined on the valve body, the valve body is connected with the valve plate through the rubber flange sealing ring, the integration level is low, and the leakage risk exists when the combined electromagnetic valve is used for a long time.

Disclosure of utility model

The utility model aims to provide a liquid leakage prevention compact combined electromagnetic valve so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a liquid leakage proof compact combination solenoid valve comprising: the integrated valve plate is characterized in that external interfaces are formed in two sides of the outer wall of the integrated valve plate at equal intervals, an integrated flow channel is formed in the integrated valve plate, an integrated inner cavity communicated with the integrated flow channel is formed in the top of the integrated valve plate at equal intervals, and an annular boss sealing port and a normally-open opening are formed in the joint of the integrated inner cavity and the integrated flow channel; and the electromagnetic valve structure assembly is arranged on the integrated valve plate.

Preferably, the electromagnetic valve structure assembly comprises: the plastic-coated shell is arranged at the top of the integrated valve plate; the external lead is fixedly arranged at the top of the plastic-coated shell; the coil framework is arranged in the plastic-coated shell; the top of the yoke is provided with a first mounting hole, and the bottom of the yoke is provided with a second mounting hole;

The back support adopts a split splicing structure, and two half completely consistent back support bodies are spliced to form a complete back support.

Preferably, the inside of coil skeleton has inserted and has decided the iron core, the outside of coil skeleton winds there is solenoid, solenoid is connected with outside lead wire, the core head of deciding the iron core has been inserted in the first mounting hole to rivet fixedly, annular magnetic conduction locating sleeve mounting groove has been seted up to the bottom of coil skeleton, annular magnetic conduction locating sleeve mounting groove looks adaptation has annular magnetic conduction locating sleeve, annular magnetic conduction locating sleeve passes the second mounting hole and imbeds to annular magnetic conduction locating sleeve mounting groove.

Preferably, the annular magnetic conduction locating sleeve is internally provided with a movable armature, the bottom of the movable armature is integrally connected with a pressure spring installation step, the outside of the pressure spring installation step is sleeved with a pressure spring, one end of the pressure spring is fixedly connected with the pressure spring installation step, and the other end of the pressure spring is fixedly connected with the annular magnetic conduction locating sleeve.

Preferably, the head of the movable armature is provided with an integrated diaphragm mounting threaded hole with a mandrel, and the integrated diaphragm with the mandrel is arranged in the integrated diaphragm mounting threaded hole with the mandrel.

Preferably, one end of the back support is fixedly connected with the bottom of the plastic-coated shell, and the other end of the back support is connected with the integrated valve plate and the integrated core shaft diaphragm.

Preferably, the bottom outer wall of the integrated diaphragm with the mandrel is integrally connected with a pressing annular boss, a sealing ring pressing groove is formed in the top of the integrated valve plate, an annular sealing ring is arranged in the sealing ring pressing groove, and the pressing annular boss is pressed into the sealing ring pressing groove.

Preferably, the bottom of integration area dabber diaphragm is connected with sealed pad installation and falls the boss in an organic whole, sealed pad installation falls the boss and has embedded rubber seal pad, and rubber seal pad and annular boss sealing port coaxial setting, wherein, rubber seal pad is the annular rubber seal pad of non-through cavity ring.

Preferably, the integrated valve plate, the plastic-coated shell, the yoke iron and the back support are all connected through bolts.

The utility model provides a compact type combined electromagnetic valve capable of preventing liquid leakage. The beneficial effects are as follows:

(1) The utility model has the advantages of small occupied space and compact structure by designing the installation without a flange plate, penetrating the back of the integrated valve plate directly through the long screw, and firmly connecting the yoke, the plastic-coated shell, the back support and the integrated valve plate, wherein each single electromagnetic valve on the combined valve is installed by adopting the structure without the flange plate, the volume occupied by the flange plate and the flange plate installation screw is saved, the structure is more compact, and the occupied space is small.

(2) According to the utility model, the sealing ports of the single electromagnetic valves and the valve body are directly integrated and processed on the valve plate, so that the integration level is high, the leakage risk is low, the existing combined electromagnetic valve is usually used for processing the sealing ports of the single electromagnetic valves on the valve body, the valve body and the valve plate are in a split structure, and the valve body and the valve plate are connected together through a rubber flange sealing ring. In the installation and use process of each single electromagnetic valve, the rubber flange sealing ring can not effectively seal a gap between the valve body and the valve plate due to the processing precision or the assembly process problem, so that liquid leakage is caused. And the rubber flange sealing ring is easy to age and permeate liquid in the long-time use process. The combined electromagnetic valve has the advantages that the sealing ports of the single electromagnetic valve are directly machined on the integrated valve plate, valve body parts are omitted, rubber flange sealing rings are not needed, the integration level is higher, and the leakage risk is low.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of an integrated valve plate of the present utility model;

FIG. 3 is a front view of the overall structure of the present utility model;

FIG. 4 is a top view of the overall structure of the present utility model;

FIG. 5 is a left side view of the overall structure of the present utility model;

FIG. 6 is a right side view of the overall structure of the present utility model;

FIG. 7 is a perspective view of an integrated valve plate of the present utility model;

Fig. 8 is a cross-sectional view of the overall structure of the present utility model.

In the figure: the integrated valve plate 111, the external interface 112, the integrated runner 113, the integrated inner cavity 114, the 2 electromagnetic valve structural component 211, the plastic-coated shell 212, the external lead wire 213, the coil framework 214, the fixed iron core 215, the electromagnetic coil 216, the 217 annular magnetic conduction positioning sleeve, the 218 movable armature, the 219 pressure spring 2110 back support, the 2111 integrated mandrel diaphragm, the 2112 annular sealing ring and the 2113 rubber sealing pad.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

The preferred embodiments of the compact combination type electromagnetic valve for preventing leakage of liquid provided by the utility model are shown in fig. 1-8: a liquid leakage proof compact combination solenoid valve comprising:

The integrated valve plate 111, the outer interface 112 is equidistantly arranged on two sides of the outer wall of the integrated valve plate 111, the integrated flow channel 113 is arranged in the integrated valve plate 111, the integrated inner cavity 114 communicated with the integrated flow channel 113 is equidistantly arranged on the top of the integrated valve plate 111, and an annular boss sealing port and a normally-open opening are arranged at the joint of the integrated inner cavity 114 and the integrated flow channel 113;

a solenoid valve structural assembly 2 provided on the integrated valve plate 111;

By arranging only one integrated valve plate 111 in a set of combined electromagnetic valves, each single electromagnetic valve can be arranged in any number along different directions and angles according to requirements, and combined electromagnetic valves with different combination modes can be formed. The inner cavities of the single electromagnetic valves can be mutually communicated through the integrated flow channels 113 in the integrated valve plate 111, and the single electromagnetic valves can be independently controlled to be switched on and off, so that the combined electromagnetic valve can realize the functions of diversion and confluence of the whole fluid medium, independent on-off of one or more flow channels and the like.

Example 2

On the basis of embodiment 1, a preferred embodiment of the compact combination type electromagnetic valve for preventing leakage of liquid provided by the utility model is shown in fig. 1-8: the electromagnetic valve structure component 2 comprises: a plastic-coated housing 211 provided on top of the integrated valve plate 111; an external lead 212 fixedly mounted on top of the over-molded case 211; a coil bobbin 213 provided inside the plastic-coated case 211; the yoke 216, the top of the yoke 216 is provided with a first mounting hole, and the bottom of the yoke 216 is provided with a second mounting hole; the back support 2110 adopts a split splicing structure, and two half completely consistent back support bodies are spliced to form a complete back support; a fixed iron core 214 is inserted into the coil framework 213, an electromagnetic coil 215 is wound outside the coil framework 213, the electromagnetic coil 215 is connected with an external lead 212, a core head of the fixed iron core 214 is inserted into a first mounting hole and fixed in a riveting manner, an annular magnetic conduction positioning sleeve mounting groove is formed in the bottom of the coil framework 213, an annular magnetic conduction positioning sleeve 217 is matched with the annular magnetic conduction positioning sleeve mounting groove, and the annular magnetic conduction positioning sleeve 217 penetrates through a second mounting hole to be embedded into the annular magnetic conduction positioning sleeve mounting groove; the annular magnetic conduction positioning sleeve 217 is internally provided with a movable armature 218, the bottom of the movable armature 218 is integrally connected with a pressure spring mounting step, the outside of the pressure spring mounting step is sleeved with a pressure spring 219, one end of the pressure spring 219 is fixedly connected with the pressure spring mounting step, and the other end of the pressure spring 219 is fixedly connected with the annular magnetic conduction positioning sleeve 217; the head of the movable armature 218 is provided with an integrated spindle diaphragm mounting threaded hole, and an integrated spindle diaphragm 2111 is arranged in the integrated spindle diaphragm mounting threaded hole; one end of the back support 2110 is fixedly connected with the bottom of the plastic-coated housing 211, and the other end of the back support 2110 is connected with the integrated valve plate 111 and the integrated spindle diaphragm 2111; the outer wall of the bottom of the integrated diaphragm 2111 with the mandrel is integrally connected with a compression annular boss, the top of the integrated valve plate 111 is provided with a sealing ring compression groove, an annular sealing ring 2112 is arranged in the sealing ring compression groove, and the compression annular boss is pressed into the sealing ring compression groove; the bottom of the integrated diaphragm 2111 with the mandrel is integrally connected with a sealing gasket installation inverted boss, the sealing gasket installation inverted boss is embedded with a rubber sealing gasket 2113, and the rubber sealing gasket 2113 and an annular boss sealing port are coaxially arranged, wherein the rubber sealing gasket 2113 is a non-through hollow annular rubber sealing gasket, and the integrated valve plate 111, the plastic-coated shell 211, the yoke 216 and the back support 2110 are all connected through bolts. The valve body part is canceled by adopting a mode of integrally processing the sealing port on the valve plate, so that the problems of low integration level and long-time use of leakage risk due to the structure that the valve body and the valve plate of each single electromagnetic valve are separated and connected through the rubber flange sealing ring of the traditional combined electromagnetic valve are solved.

Working principle: when in use, the action mode is as follows: (each single solenoid valve on the Combined solenoid valve)

When the external lead 212 is powered off, the movable armature 218 is driven by the elastic force of the compression spring 219 to drive the integrated spindle diaphragm 2111 and the rubber sealing pad 2113 embedded on the integrated spindle diaphragm 2113 to act on the annular boss sealing port of the integrated valve plate, so that the sealing port is sealed, and the fluid flow is closed. (this is a single solenoid valve closing action)

When the external lead 212 is electrified, the electromagnetic coil 215 generates a magnetic field, the movable armature 218 is acted by electromagnetic force, overcomes the elastic force of the pressure spring 219, compresses the pressure spring 219 and is attracted to the end face of the fixed iron core 214, and simultaneously drives the integrated spindle diaphragm 2111 and the rubber sealing pad 2113 embedded on the spindle diaphragm 2111 to be separated from the annular boss sealing port of the integrated valve plate, so that the flow of fluid is opened. (this is a single solenoid valve opening action)

The action mode is as follows: (Combined electromagnetic valve)

Each single electromagnetic valve can independently switch and control the on-off of the flow path responsible for the single electromagnetic valve, the inner cavities and the integrated flow channels 113 are mutually communicated to form an integrated fluid control system, and the functions of diversion and confluence of fluid media, independent on-off of one or more flow channels and the like can be completed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A liquid leakage proof compact combined solenoid valve, comprising:

The integrated valve comprises an integrated valve plate (111), wherein external interfaces (112) are formed in two sides of the outer wall of the integrated valve plate (111) at equal intervals, an integrated flow channel (113) is formed in the integrated valve plate (111), an integrated inner cavity (114) communicated with the integrated flow channel (113) is formed in the top of the integrated valve plate (111) at equal intervals, and an annular boss sealing port and a normally-open opening are formed in the joint of the integrated inner cavity (114) and the integrated flow channel (113);

And the electromagnetic valve structure assembly (2) is arranged on the integrated valve plate (111).

2. The leakage-proof compact combined electromagnetic valve according to claim 1, characterized in that: the electromagnetic valve structure component (2) comprises:

the plastic-coated shell (211) is arranged at the top of the integrated valve plate (111);

an external lead (212) fixedly mounted on top of the overmolded housing (211);

a coil bobbin (213) provided inside the plastic-coated case (211);

The yoke comprises a yoke (216), wherein a first mounting hole is formed in the top of the yoke (216), and a second mounting hole is formed in the bottom of the yoke (216);

And the back support (2110) adopts a split splicing structure, and two half completely consistent back support bodies are spliced to form a complete back support.

3. The leakage-proof compact combined electromagnetic valve according to claim 2, characterized in that: the inside of coil skeleton (213) has inserted fixed iron core (214), the outside of coil skeleton (213) is around having solenoid (215), solenoid (215) are connected with external lead (212), the core print of fixed iron core (214) has been inserted in the first mounting hole to rivet fixedly, annular magnetic conduction locating sleeve mounting groove has been seted up to the bottom of coil skeleton (213), annular magnetic conduction locating sleeve mounting groove looks adaptation has annular magnetic conduction locating sleeve (217), annular magnetic conduction locating sleeve (217) pass the second mounting hole and imbeds in annular magnetic conduction locating sleeve mounting groove.

4. The fluid leakage prevention compact combination solenoid valve according to claim 3, wherein: the annular magnetic conduction locating sleeve (217) is internally provided with a movable armature (218), the bottom of the movable armature (218) is integrally connected with a pressure spring installation step, the outside of the pressure spring installation step is sleeved with a pressure spring (219), one end of the pressure spring (219) is fixedly connected with the pressure spring installation step, and the other end of the pressure spring (219) is fixedly connected with the annular magnetic conduction locating sleeve (217).

5. The fluid leakage prevention compact combination solenoid valve according to claim 4, wherein: an integrated spindle diaphragm mounting threaded hole is formed in the head of the movable armature (218), and an integrated spindle diaphragm (2111) is arranged in the integrated spindle diaphragm mounting threaded hole.

6. The leakage-proof compact combined electromagnetic valve according to claim 2, characterized in that: one end of the back support (2110) is fixedly connected with the bottom of the plastic-coated housing (211), and the other end of the back support (2110) is connected with the integrated valve plate (111) and the integrated membrane (2111) with the mandrel.

7. The fluid leakage prevention compact combination solenoid valve according to claim 5, wherein: the integrated spindle diaphragm (2111) is characterized in that a compression annular boss is integrally connected with the outer wall of the bottom of the integrated spindle diaphragm (2111), a sealing ring compression groove is formed in the top of the integrated valve plate (111), an annular sealing ring (2112) is arranged in the sealing ring compression groove, and the compression annular boss is pressed into the sealing ring compression groove.

8. The fluid leakage prevention compact combination solenoid valve according to claim 5, wherein: the bottom of integration area dabber diaphragm (2111) is connected with sealed pad installation and falls the boss, sealed pad installation falls the boss and has inlayed rubber seal pad (2113), and rubber seal pad (2113) and annular boss sealing port coaxial setting, wherein, rubber seal pad (2113) is non-through-type cavity ring rubber seal pad.

9. The leakage-proof compact combined electromagnetic valve according to claim 1, characterized in that: the integrated valve plate (111), the plastic-coated shell (211), the yoke (216) and the back support (2110) are all connected through bolts.