CN215410458U

CN215410458U - Valve core assembly mounting structure of miniature two-position three-way electromagnetic valve

Info

Publication number: CN215410458U
Application number: CN202120630308.XU
Authority: CN
Inventors: 尹宏柏; 夏家永
Original assignee: NINGBO LIDA PNEUMATIC COMPLETE SETS CO Ltd
Current assignee: NINGBO LIDA PNEUMATIC COMPLETE SETS CO Ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2022-01-04
Anticipated expiration: 2031-03-29

Abstract

The utility model relates to the technical field of electromagnetic valves, in particular to a valve core assembly mounting structure of a miniature two-position three-way electromagnetic valve, which comprises a valve body and a valve core assembly, wherein an inner cavity is formed in the valve body, the valve core assembly is detachably mounted in the inner cavity, the valve core assembly comprises a valve core, a valve core seat and a limiting ring, the valve core is movably arranged on the inner side of the inner cavity, one side of the valve core seat is arranged corresponding to the valve core, a through hole for a sliding rod of the valve core to penetrate through is formed in the valve core seat, and the other side of the valve core seat is abutted against the limiting ring. When the valve core assembly is installed, the valve core is installed firstly, then the valve core seat is installed, and finally the limiting ring is installed, namely the valve core, the valve core seat and the limiting ring are sequentially installed in the inner cavity from inside to outside, the valve core can move in the inner cavity, the valve core seat and the limiting ring are fixed in the inner cavity, one side of the valve core seat is matched with the valve core, the other side of the valve core seat is abutted against the limiting ring, the valve core assembly and the valve body are arranged in a split mode, the manufacturing process of the valve body can be effectively optimized, the structure is simpler, and the installation and the disassembly are very convenient.

Description

Valve core assembly mounting structure of miniature two-position three-way electromagnetic valve

Technical Field

The utility model relates to the technical field of electromagnetic valves, in particular to a valve core assembly mounting structure of a miniature two-position three-way electromagnetic valve.

Background

The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to a control element, is used for controlling an actuator, and is not limited to hydraulic pressure and motion. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The working principle of the electromagnetic valve is that the mechanical movement of the valve core is controlled by controlling the on-off of the current of the electromagnet, so that different vent holes are closed and started, and the purpose of controlling certain parameters of fluid entering a mechanical element is achieved. The electromagnetic valves are various in types and different in structure, and the two-position three-way miniature electromagnetic valve is one of the electromagnetic valves. For example, chinese patent application No. 201320556684.4 discloses a miniature solenoid valve.

Generally, in order to ensure that the valve element can reciprocate in the axial direction of the valve body, a valve element seat for guiding the valve element is usually provided in the valve body. The electromagnetic valve in the prior art has the following defects: the valve body and the valve core seat are arranged in an integrated structure, so that the whole machining process of the valve body is very difficult; therefore, there is a need for improvements in the prior art.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a valve core assembly mounting structure of a miniature two-position three-way electromagnetic valve, which is used for solving the defects of the prior art.

In order to achieve the purpose, the technical scheme applied by the utility model is as follows:

the utility model provides a spool subassembly mounting structure of miniature two three way solenoid valve, includes valve body and spool subassembly, is equipped with the inner chamber in the valve body, and spool subassembly detachably installs in the inner chamber, and the spool subassembly includes case, case seat and spacing ring, and the inboard of inner chamber is located in the case activity, and case seat one side corresponds the setting with the case, is equipped with the perforation that the slide bar of the case of being convenient for passed on the case seat, and case seat opposite side offsets with the spacing ring.

According to the scheme, the valve core seat is internally provided with an air hole, and the air hole corresponds to the valve core.

According to the scheme, the valve core seat is provided with symmetrical flat positions.

According to the scheme, the top of the valve core seat is provided with a raised inclined plane reinforcing rib, and the bottom of the valve core seat is provided with an O-shaped ring III which is sealed with the cavity wall of the inner cavity.

According to the scheme, the limiting ring is provided with a second O-shaped ring which is hermetically arranged on the wall of the inner cavity.

According to the scheme, the valve core is abutted against the cavity wall of the inner cavity through the valve core spring, and the second end of the valve core is internally provided with a valve core sealing plug.

According to the scheme, the inner cavity is internally provided with an annular guide groove matched with the valve core, the annular guide groove is provided with symmetrical sliding grooves, the valve core is provided with a sliding rod matched with the sliding grooves, and the sliding rod penetrates through the through hole of the valve core seat to be abutted against the movable iron core of the valve body.

The utility model has the beneficial effects that:

the valve core assembly and the valve body are arranged in a split manner, so that the manufacturing process of the valve body can be effectively optimized, the structure is simpler, and the installation and the disassembly are very convenient.

Drawings

FIG. 1 is a cross-sectional view of a two-position three-way solenoid valve according to the present invention;

FIG. 2 is a front view of the valve cartridge of the present invention;

FIG. 3 is a left side view of FIG. 2;

FIG. 4 is a front view of the valve cartridge seat of the present invention;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a right side view of FIG. 5;

fig. 7 is a schematic view of the annular guide groove of the present invention.

1. An inner cavity; 2. a spool spring; 3. a valve core; 4. a valve core sealing plug; 8. a valve body; 10, an O-shaped ring II; 11. a limiting ring; 12, an O-shaped ring III; 13. a valve core seat; 17. a movable iron core; 24. perforating; 25. air holes; 26. flattening; 27. an inclined plane reinforcing rib; 31. an air inlet; 32. a working port; 33. an exhaust port; 41. an annular guide groove; 42. a chute; 43. a slide bar;

Detailed Description

The technical solution of the present invention is described below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 7, the valve core assembly mounting structure of a miniature two-position three-way electromagnetic valve according to the present invention includes a valve body 8 and a valve core assembly, an inner cavity 1 is disposed in the valve body 8, the valve core assembly is detachably mounted in the inner cavity 1, the valve core assembly includes a valve core 3, a valve core seat 13 and a limit ring 11, the valve core 3 is movably disposed inside the inner cavity 1, one side of the valve core seat 13 is disposed corresponding to the valve core 3, a through hole 24 through which a sliding rod 43 of the valve core 3 can conveniently pass is disposed on the valve core seat 13, and the other side of the valve core seat 13 abuts against the limit ring 11. The above constitutes the basic structure of the present invention.

The valve core assembly and the valve body 8 are arranged in a split manner by adopting the structure, when the valve core assembly and the valve body assembly are installed, the valve core 3 is installed firstly, then the valve core seat 13 is installed, and finally the limiting ring 11 is installed, namely the valve core 3, the valve core seat 13 and the limiting ring 11 are sequentially installed in the inner cavity 1 from inside to outside, the valve core 3 can move in the inner cavity 1, the valve core seat 13 and the limiting ring 11 are fixed in the inner cavity 1, one side of the valve core seat 13 is matched with the valve core 3, the other side of the valve core seat 13 is abutted against the limiting ring 11, the valve core assembly and the valve body 8 are arranged in a split manner, the manufacturing process of the valve body 8 can be effectively optimized, the structure is simpler, and the installation and the disassembly are very convenient.

In the present embodiment, the valve core seat 13 is provided with an air hole 25 therein, and the air hole 25 corresponds to the valve core 3. With such a structural arrangement, the air hole 25 is opened and closed by the valve element 3.

In this embodiment, the valve core seat 13 is provided with symmetrical flat positions 26. By adopting the structure, the clamping tool is convenient to clamp through tweezers or other clamps, and the effect of convenient installation and disassembly is realized.

In this embodiment, the top of the valve core seat 13 is provided with a raised slope reinforcing rib 27, and the bottom of the valve core seat 13 is provided with an O-ring three 12 which is sealed with the cavity wall of the inner cavity 1. By adopting the structure, the raised inclined reinforcing ribs 27 are convenient to be inserted into the inner cavity 1 and can be fastened, the convenience of initial installation is realized, and meanwhile, the sealing effect can be realized through the O-shaped ring III 12.

In this embodiment, the limiting ring 11 is provided with a second O-ring 10 which is sealed with the cavity wall of the inner cavity 1. By adopting the structure, the installation space and the limit of the valve core seat 13 are ensured, and the matching and the sealing with the coil component of the valve body 8 are also ensured.

In this embodiment, the valve core 3 is abutted against the cavity wall of the inner cavity 1 through the valve core spring 2, and a valve core sealing plug 4 is arranged in the second end of the valve core 3. With this structural arrangement, the spool 3 moves to effect communication and disconnection between the intake port 31 and the working port 32 through the spool seal plug 4, and communication and disconnection between the working port 32 and the exhaust port 33.

In this embodiment, an annular guide groove 41 is disposed in the inner cavity 1 and is matched with the valve core 3, symmetrical slide grooves 42 are disposed on the annular guide groove 41, a slide rod 43 is disposed on the valve core 3 and is matched with the slide grooves 42, and the slide rod 43 passes through the through hole 24 of the valve core seat 13 and abuts against the movable iron core 17 of the valve body 8. By adopting the structure, after the annular guide groove 41 is matched with the valve core 3, the coaxiality of the valve ports between the valve core 3 and the air inlet 31 and the working port 32 is effectively ensured, the assembly precision is improved, and the service life is prolonged.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and those skilled in the art can make various modifications without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a spool subassembly mounting structure of miniature two three way solenoid valve, includes valve body (8) and spool subassembly, be equipped with inner chamber (1), its characterized in that in valve body (8): the valve core assembly is detachably arranged in the inner cavity (1), the valve core assembly comprises a valve core (3), a valve core seat (13) and a limiting ring (11), the valve core (3) is movably arranged on the inner side of the inner cavity (1), one side of the valve core seat (13) is arranged corresponding to the valve core (3), a through hole (24) which is convenient for a sliding rod (43) of the valve core (3) to penetrate through is formed in the valve core seat (13), and the other side of the valve core seat (13) is abutted to the limiting ring (11).

2. The spool assembly mounting structure of the miniature two-position three-way electromagnetic valve according to claim 1, characterized in that: an air hole (25) is formed in the valve core seat (13), and the air hole (25) corresponds to the valve core (3).

3. The spool assembly mounting structure of the miniature two-position three-way electromagnetic valve according to claim 2, wherein: and symmetrical flat positions (26) are arranged on the valve core seat (13).

4. The spool assembly mounting structure of the miniature two-position three-way electromagnetic valve according to claim 2, wherein: the valve core seat is characterized in that a raised inclined plane reinforcing rib (27) is arranged at the top of the valve core seat (13), and an O-shaped ring III (12) which is sealed with the cavity wall of the inner cavity (1) is arranged at the bottom of the valve core seat (13).

5. The spool assembly mounting structure of the miniature two-position three-way electromagnetic valve according to claim 2, wherein: and the limiting ring (11) is provided with an O-shaped ring II (10) which is hermetically arranged with the cavity wall of the inner cavity (1).

6. The spool assembly mounting structure of the miniature two-position three-way electromagnetic valve according to claim 2, wherein: the valve core (3) is abutted against the cavity wall of the inner cavity (1) through a valve core spring (2), and a valve core sealing plug (4) is arranged in the second end of the valve core (3).

7. The spool assembly mounting structure of the miniature two-position three-way electromagnetic valve according to claim 2, wherein: the inner cavity (1) is internally provided with an annular guide groove (41) which is matched with the valve core (3), the annular guide groove (41) is provided with symmetrical sliding grooves (42), the valve core (3) is provided with a sliding rod (43) which is matched with the sliding grooves (42), and the sliding rod (43) penetrates through a through hole (24) of the valve core seat (13) and is abutted to a movable iron core (17) of the valve body (8).