CN205504137U - Combined electromagnetic valve - Google Patents

Abstract

The utility model provides a combined electromagnetic valve, which belongs to the technical field of valve manufacturing. It solves the problems of complicated structure and high cost of the existing electromagnetic valve. The combined solenoid valve includes a valve seat and a valve cover, a sealing partition is arranged between the valve seat and the valve cover, the valve seat, the valve cover and the sealing partition are fixedly connected by fasteners, and there is at least one water inlet in the valve seat and at least one water outlet, at least one coil is arranged in the valve cover, at least one mounting column is fixedly connected to one side of the sealing partition, the mounting column extends into the corresponding coil, the mounting column has a mounting cavity, and one end of the mounting cavity Open, the other end is closed, a push rod and a spring are arranged in the installation cavity, one end of the spring leans against the push rod, and the other end leans against the mounting column, and the push rod can open or close the water outlet under the action of the coil and the spring closure. The combined solenoid valve has the advantages of simple structure and low manufacturing cost.

Description

A Combined Solenoid Valve

technical field

The utility model belongs to the technical field of valve manufacturing and relates to a combined electromagnetic valve.

Background technique

Solenoid valve is an industrial equipment controlled by electromagnetic, which is used in industrial control system to adjust the direction, flow, speed and other parameters of the medium.

Existing solenoid valves, such as Chinese patent documents disclose a combined solenoid valve [application number: 201220163377.5; authorized announcement number: CN202629265U], which includes a solenoid valve that uses an electromagnet to control the opening and closing of the pipeline and a valve seat that supports , the solenoid valve is installed on the valve seat, and the number of solenoid valves on the valve seat is more than two.

The solenoid valve with this structure is equipped with an annular partition for water isolation. The top of the annular partition is firmly connected with the inside of the solenoid valve to form a seal. The bottom of the annular partition has an annular baffle. There is a bonnet that runs through the middle between the valve seats. The bonnet and the valve seat are fixedly connected by threads. The structure of the solenoid valve is complex; and the solenoid valve push rod includes a penetrating outer cylinder. One end of the outer cylinder is fixedly connected with a plug. An outer spring is arranged on the outer side of the barrel, and one end of the outer spring leans against the outer barrel, and the other end leans against the annular partition plate. The solenoid valve with this structure has many parts, complex structure, and high manufacturing cost.

Contents of the invention

The purpose of this utility model is to propose a combined electromagnetic valve for the above-mentioned problems existing in the prior art, and the technical problem to be solved is how to reduce the manufacturing cost of the electromagnetic valve.

The purpose of this utility model can be achieved through the following technical solutions: a combined solenoid valve, including a valve seat and a valve cover, is characterized in that a sealing partition is arranged between the valve seat and the valve cover, and the valve seat , the valve cover and the sealing partition are fixedly connected by fasteners, the valve seat has at least one water inlet and at least one water outlet, the valve cover is provided with at least one coil, one side of the sealing partition There is at least one installation column fixedly connected, and the installation column extends into the corresponding coil, and the installation column has an installation cavity, one end of the installation cavity is open, and the other end is closed, and a push rod is arranged in the installation cavity and a spring, one end of the spring leans against the push rod, and the other end leans against the mounting post, and the push rod can open or close the water outlet under the action of the coil and the spring.

The sealing partition is located between the valve seat and the valve cover. When the valve cover is fixed on the valve seat by fasteners, the sealing partition is naturally locked. The fixed structure is simple, and the sealing partition plays the role of water isolation; The rod and the spring are located in the mounting cavity of the mounting column. When the coil is not energized, the push rod blocks the water outlet under the action of the spring force. When the coil is energized, the coil generates suction and pulls the push rod to overcome the spring force. The push rod is far away from the water outlet to open the water outlet. The combined solenoid valve has few parts, simple structure and low manufacturing cost.

In the above-mentioned combined solenoid valve, the sealing partition and the installation column are of an integrated structure, and the sealing partition and the installation column are formed by injection molding at one time. One-time forming, convenient processing, high firmness and low production cost.

In the above-mentioned combined solenoid valve, the inner side wall of the top of the valve seat has an annular installation seat, a sealing gasket is arranged in the annular installation seat, and the other side of the sealing partition opposite to the installation column has an annular The positioning frame, the edge of the sealing partition is located in the annular mounting seat and pressed on the sealing gasket, and the annular positioning frame is located on the inner side of the sealing gasket. The annular mounting seat has two side walls, the two side walls cooperate with the sealing partition and the ring positioning frame to fix the sealing gasket, the sealing gasket will not move, and the contact area between the sealing gasket, the valve seat and the sealing partition is large, The sealing effect is good, so that the combined electromagnetic valve will not leak.

In the above-mentioned combined solenoid valve, the push rod includes a valve stem and a valve core, the valve core is made of rubber material or silicone material, and the valve core is clipped and fixedly connected to the bottom of the valve stem, so The top of the valve stem has an annular rim, one end of the spring abuts against the annular rim, and the other end abuts against the closed end of the installation cavity. The spool is a gasket with a certain deformation capacity and plays a sealing role, and the water outlet is blocked by the spool.

In the above combined solenoid valve, the valve seat has a water outlet joint, the water outlet joint communicates with the water outlet, and the outer side of the top of the water outlet joint has a sealing surface arranged obliquely. When the valve core seals the water outlet joint, the top part of the water outlet joint is embedded in the valve core, and the setting of the sealing surface improves the sealing effect of the valve core on the water outlet joint, so that the combined solenoid valve will not leak.

In the above combined solenoid valve, the fasteners are bolts or screws.

Compared with the prior art, the combined solenoid valve provided by the utility model separates the medium flowing into the valve seat from the coil through the sealing partition and the installation column, so that the coil will not be damaged; the sealing partition, the installation column and the The ring-shaped positioning frame is formed by injection molding at one time, which is convenient in processing and low in cost; and the valve seat, valve cover and sealing partition can be fixedly connected by fasteners, which is convenient in connection, simple in structure and low in cost.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the combined solenoid valve.

Fig. 2 is a sectional view of the overall structure of the combined solenoid valve.

Fig. 3 is a schematic diagram of the overall structure of the valve seat of the combined solenoid valve.

Fig. 4 is a structural schematic diagram of the combined solenoid valve sealing partition, mounting column and annular positioning frame.

In the figure, 1, valve seat; 2, valve cover; 3, sealing partition; 4, water inlet; 5, water outlet; 6, coil; 7, installation column; 8, installation cavity; 9, push rod; 91, Valve stem; 92, valve core; 10, spring; 11, annular mounting seat; 12, sealing washer; 13, annular positioning frame; 14, annular retaining edge; 15, water outlet joint; 16, sealing surface.

detailed description

The following are specific embodiments of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model is not limited to these embodiments.

As shown in Figure 1 and Figure 2, the combined solenoid valve includes a valve seat 1, a valve cover 2, a sealing partition 3, a coil 6, a mounting column 7, a push rod 9, a spring 10, a sealing gasket 12, and an annular positioning frame 13 And water outlet joint 15.

As shown in Figure 3, in this embodiment, there is one water inlet 4 and two water outlets 5 in the valve seat 1. In actual production, the number of water inlets 4 can be two or three, and the number of water outlets 5 It can be three or five. There is an annular mounting seat 11 on the inner wall of the top of the valve seat 1. There are two water outlet joints 15 in the valve seat 1. The water outlet joints 15 communicate with the water outlet 5. The outer side of the water outlet joint 15 top has an inclined sealing surface 16.

As shown in Figure 4, one side of the sealing partition 3 is fixedly connected with a pair of mounting columns 7, and the other side is provided with an annular positioning frame 13. The sealing partition 3, the mounting column 7 and the annular positioning frame 13 are an integral structure, The plate 3, the mounting column 7 and the annular positioning frame 13 are molded at one time by injection molding. A sealing gasket 12 is arranged in the annular mounting seat 11. In this embodiment, the sealing gasket 12 is made of silica gel material. In actual production, the sealing gasket 12 can be made of rubber material, and the edge of the sealing partition 3 is located on the annular mounting seat. 11 and pressed on the sealing gasket 12, the annular positioning frame 13 is located inside the sealing gasket 12, and the sealing gasket 12 is attached to the outer wall of the annular positioning frame 13.

The valve seat 1, the valve cover 2 and the sealing partition 3 are fixedly connected by fasteners. In this embodiment, the fasteners are bolts. In actual production, the fasteners may be screws. The number of coils 6 corresponds to the number of water inlets 4 and water outlets 5, and the number of mounting columns 7 is set correspondingly to the number of coils 6. In this embodiment, the number of coils 6 is two, and the mounting columns 7 extend into the corresponding In the coil 6, the installation column 7 has an installation cavity 8, one end of the installation cavity 8 is open, and the other end is closed, the installation cavity 8 is provided with a push rod 9 and a spring 10, and the push rod 9 includes a valve stem 91 and a valve core 92, In this embodiment, the valve core 92 is made of rubber material. In actual production, the valve core 92 can also be made of silicone material. The valve core 92 is clipped and fixedly connected to the bottom of the valve stem 91. One end of the spring 10 abuts against the annular rim 14 , and the other end abuts against the closed end of the installation cavity 8 .

When in use, the combined solenoid valve is installed in the pipeline system, such as in the pipeline of a reverse osmosis pure water machine. When the coil 6 is not powered, the push rod 9 makes the valve core 92 block the water outlet The joint 15 is to block the water outlet 5; when one of the coils 6 is energized, the push rod 9 located in the coil 6 moves upward under the action of the suction generated by the coil 6, and the valve core 92 leaves the water outlet joint 15, and the water outlet 5 Turn on to realize water flow, and the effect is the same when the other coil 6 is energized. Select whether the coil 6 is energized according to actual needs, so as to realize the on-off of the combined solenoid valve.

The specific embodiments described herein are only examples to illustrate the spirit of the present invention. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the utility model or go beyond the appended claims defined range.

Although the valve seat 1, the valve cover 2, the sealing partition 3, the water inlet 4, the water outlet 5, the coil 6, the mounting column 7, the mounting cavity 8, the push rod 9, the valve stem 91, and the valve core 92 are frequently used in this paper. , spring 10, annular mounting seat 11, sealing washer 12, annular positioning frame 13, annular retaining edge 14, water outlet joint 15, sealing surface 16 and other terms, but the possibility of using other terms is not excluded. These terms are only used to describe and explain the essence of the utility model more conveniently; interpreting them as any kind of additional limitation is contrary to the spirit of the utility model.

Claims (6)

1. a combination solenoid valve, including valve seat (1) and valve gap (2), its feature It is, between described valve seat (1) and valve gap (2), is provided with sealing dividing plate (3), institute State valve seat (1), valve gap (2) and sealing dividing plate (3) to be fixedly connected with by securing member, institute State and valve seat (1) have at least one water inlet (4) and at least one outlet (5), Described valve gap (2) is provided with at least one coil (6), described sealing dividing plate (3) Side is fixed with at least one mounting post (7), and described mounting post (7) extend into correspondence In coil (6), described mounting post (7) has installation cavity (8), described installation cavity (8) one end open, the other end closes, and described installation cavity is provided with push rod in (8) And spring (10) (9), one end of described spring (10) is resisted against on push rod (9), The other end is resisted against in mounting post (7), and described push rod (9) is at coil (6) and spring (10) outlet (5) can be made under effect to open or close.

A kind of combination solenoid valve the most according to claim 1, it is characterised in that Described sealing dividing plate (3) and mounting post (7) are integral structures, described sealing dividing plate (3) and mounting post (7) by injection one-shot forming.

A kind of combination solenoid valve the most according to claim 2, it is characterised in that There is on the medial wall at described valve seat (1) top annular mounting seat (11), described annular Being provided with seal washer (12) in mounting seat (11), described sealing dividing plate (3) is relative The opposite side of mounting post (7) has circular orientation frame (13), described sealing dividing plate (3) Edge be positioned in annular mounting seat (11) and be pressed on seal washer (12), described Circular orientation frame (13) is positioned at the inner side of seal washer (12).

4., according to a kind of combination solenoid valve described in claim 1 or 2 or 3, it is special Levying and be, described push rod (9) includes valve rod (91) and spool (92), described spool (92) being made up of elastomeric material or silica gel material, described spool (92) clamping is connected In the bottom of valve rod (91), the top of described valve rod (91) has annular gear along (14), One end of described spring (10) is resisted against in annular gear edge (14), and the other end is resisted against The Guan Bi end of installation cavity (8).

5., according to a kind of combination solenoid valve described in claim 1 or 2 or 3, it is special Levy and be, there is in described valve seat (1) water out adapter (15), described water out adapter (15) Being connected with outlet (5), the outside at described water out adapter (15) top has inclination The sealing surface (16) arranged.

6., according to a kind of combination solenoid valve described in claim 1 or 2 or 3, it is special Levying and be, described securing member is bolt or screw.