CN220379008U - Limit switch solenoid valve - Google Patents

Limit switch solenoid valve Download PDF

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Publication number
CN220379008U
CN220379008U CN202322080495.0U CN202322080495U CN220379008U CN 220379008 U CN220379008 U CN 220379008U CN 202322080495 U CN202322080495 U CN 202322080495U CN 220379008 U CN220379008 U CN 220379008U
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CN
China
Prior art keywords
valve
air hole
cavity
limit switch
valve core
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Active
Application number
CN202322080495.0U
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Chinese (zh)
Inventor
廖新火
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Ningbo Pneupid Machinery Co ltd
Original Assignee
Ningbo Pneupid Machinery Co ltd
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Publication date
Application filed by Ningbo Pneupid Machinery Co ltd filed Critical Ningbo Pneupid Machinery Co ltd
Priority to CN202322080495.0U priority Critical patent/CN220379008U/en
Application granted granted Critical
Publication of CN220379008U publication Critical patent/CN220379008U/en
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Abstract

The utility model provides a limit switch electromagnetic valve, which comprises a valve body, a guide seat and an electromagnetic valve, wherein a valve cavity with one end open is formed in the valve body, and a valve core assembly is arranged in the valve cavity; the guide seat is fixed at the open end of the valve body, a first sliding cavity and a second sliding cavity which are mutually communicated are formed in the guide seat, the end part of the second sliding cavity can accommodate the insertion of the end part of the valve core assembly, a manual valve core assembly is arranged in the first sliding cavity, and a sliding plug is arranged in the second sliding cavity in a sliding manner; the side wall of the guide seat is provided with a mounting boss, the mounting boss is provided with a mounting surface, the mounting surface is provided with a first air hole, a second air hole and a third air hole, the electromagnetic valve is mounted on the mounting surface and used for controlling the communication or blocking between the first air hole and the second air hole and the communication or blocking between the second air hole and the third air hole. The limit switch electromagnetic valve has the advantages of compact structure, small volume, good use effect and wide application range.

Description

Limit switch solenoid valve
Technical Field
The utility model relates to an electromagnetic valve, in particular to a limit switch electromagnetic valve.
Background
In order to simplify the control of reversing, the application of a pilot electromagnetic reversing valve is more and more widespread, and the existing limit switch electromagnetic valve comprises a pilot seat, an electromagnet and a valve body, wherein the valve body is a two-position five-way valve which is controlled by the pilot seat and is a pilot electromagnetic valve, the pilot electromagnetic valve is influenced by the whole structure, the whole height is large, the required installation space is large, and therefore the application range of the pilot electromagnetic valve is limited.
Disclosure of Invention
【1】 Technical problem to be solved
The utility model aims to solve the technical problem of providing a limit switch electromagnetic valve which is compact in structure, small in height and small in installation space.
【2】 Technical proposal for solving the problems
The utility model provides a limit switch electromagnetic valve, which comprises a valve body 1, a guide seat 2 and an electromagnetic valve 4, wherein a valve cavity 10 with one end open is formed in the valve body 1, and a valve core assembly is arranged in the valve cavity 10; the pilot seat 2 is fixed at the open end of the valve body 1, a first sliding cavity 20a and a second sliding cavity 20b which are mutually communicated are formed in the pilot seat 2, the end part of the second sliding cavity 20b is open and can accommodate the insertion of the end part of the valve core assembly, a manual valve core assembly is arranged in the first sliding cavity 20a, and a sliding plug 6 for pushing the valve core assembly to slide is arranged in the second sliding cavity 20b in a sliding manner; the side wall of the pilot seat 2 is provided with a mounting boss 3, a mounting surface 3a is arranged on the mounting boss, a first air hole 301 communicated with an air inlet interface 101 of the side wall of the valve body 1, a second air hole 302 communicated with the first sliding cavity 20a and a third air hole 303 communicated with an air exhaust hole of the side wall of the pilot seat 2 are arranged on the mounting surface 3a, and the electromagnetic valve 4 is arranged on the mounting surface and used for controlling the communication or blocking between the first air hole 301 and the second air hole 302 and the communication or blocking between the second air hole 302 and the third air hole 303.
Further, the mounting boss 3 is cylindrical, a plane is provided on a side wall of the mounting boss 3 and forms the mounting surface 3a, and the mounting surface 3a is parallel to an axis of the mounting boss 3.
Further, the installation boss 3 is integrally formed with the pilot seat.
Further, the axis of the mounting boss 3 is perpendicular to the axis of the valve cavity and the axis of the air inlet interface at the same time.
Further, the valve core assembly includes a valve core 71 and a first elastic member 72 that makes the valve core 71 have a movement tendency toward the open end of the valve cavity.
Further, the manual valve core assembly 5 includes a manual valve core 51 and a second elastic member 52 that makes the manual valve core have a movement tendency toward the spool 6.
Further, an external thread is arranged at the root of the installation boss 3.
Further, the mounting surface 3a is provided with a mounting hole 32 for mounting the solenoid valve.
【3】 Advantageous effects
The limit switch electromagnetic valve adopts a split structure, is convenient to produce and process and low in manufacturing cost, and is convenient to assemble; the installation boss structure is arranged, so that the installation is convenient and reliable; the mounting surface is optimally designed, so that the mounting height is greatly reduced, the mounting space is further reduced, the application range is improved, and the application range is wide; the limit switch electromagnetic valve has the advantages of compact structure, small volume, good use effect and wide application range.
Drawings
FIG. 1 is a schematic diagram of a limit switch solenoid valve according to the present utility model;
FIG. 2 is a schematic diagram of an explosion structure of a limit switch solenoid valve according to the present utility model;
FIG. 3 is a cross-sectional view of a limit switch solenoid valve of the present utility model;
FIG. 4 is a transverse cross-sectional view of a limit switch solenoid valve of the present utility model;
fig. 5 is a schematic structural diagram of a guide seat of a limit switch electromagnetic valve according to the present utility model.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-5, the utility model provides a limit switch electromagnetic valve, which comprises a valve body 1, a guide seat 2 and an electromagnetic valve 4, wherein a valve cavity 10 is arranged on the valve body 1, one end of the valve cavity 10 is open, an air inlet port 101 and a plurality of air outlet ports 102 which are communicated with the valve cavity 10 are arranged on the side wall of the valve body 1, a valve core assembly is arranged in the valve cavity 10, the valve core assembly comprises a valve core 71 and a first elastic component 72, the valve core 71 is a valve rod and is slidably matched in the valve cavity, the first elastic component 72 enables the valve core 71 to have a movement trend of approaching to the open end of the valve cavity, namely, the first elastic component 72 can push the valve core 71 to move to the outlet end of the valve cavity, the valve body integrally forms a two-position five-way reversing valve, and the first elastic component is a spring.
The guide seat 2 is fixed at the end part of the valve body 1, specifically, the guide seat is installed at one side of the open end of the valve body, the whole guide seat is of a cuboid structure, the cross section size of the guide seat is identical to that of the valve body, therefore, the outer walls of the guide seat 2 are parallel and level, a first sliding cavity 20a and a second sliding cavity 20b which are communicated with each other are formed in the guide seat 2, the diameter of the second sliding cavity is larger than that of the first sliding cavity, in the embodiment, the first sliding cavity 20a and the second sliding cavity 20b are coaxial with the valve cavity, the end part of the second sliding cavity is open, the end part of the second sliding cavity 20b is open, the end part of a valve core component (valve core) can be inserted, meanwhile, a sliding plug 6 is matched in the second sliding cavity 20b, the sliding direction of the sliding plug 6 is parallel to the sliding direction of the valve core, in the embodiment, the end part of the sliding plug 6 can be in contact with the end part of the valve core, and the valve core can be pushed to slide axially, so that reversing is realized; the end of the first sliding cavity is open, and a manual valve core assembly is disposed in the first sliding cavity 20a, the manual valve core assembly 5 includes a manual valve core 51 and a second elastic component 52, the second elastic component 52 makes the manual valve core have a movement trend back to the sliding plug 6, that is, the second elastic component can push the manual valve core to move in a direction away from the sliding plug, so as to realize resetting, and the second elastic component is a spring.
The side wall of the front guide seat 2 is provided with a mounting boss 3, the root part (near one end of the front guide seat) of the mounting boss 3 is provided with external threads for integral mounting, in particular, the mounting boss comprises a first cylinder and a second cylinder which are coaxially arranged, the outer wall of the first cylinder is provided with external threads 31, the mounting boss is provided with a mounting surface 3a which is arranged on the second cylinder, in the embodiment, the mounting boss 3 and the front guide seat are integrally formed, the mounting boss 3 is cylindrical, the axis of the mounting boss is simultaneously perpendicular to the axis of a valve cavity and the axis of an air inlet interface, the side wall of the mounting boss 3 is provided with a plane which forms a mounting surface 3a, the mounting surface 3a is parallel to the axis of the mounting boss 3, meanwhile, a first air hole 301, a second air hole 302 and a third air hole 303 are formed on the mounting surface 3a, the first air hole 301 is communicated with the air inlet interface 101 of the side wall of the valve body 1 and used as a pilot air source, the second air hole 302 is communicated with a first sliding cavity 20a, in particular, a sealing cavity is formed between the end part of the manual valve core and the sliding plug, the second air hole is communicated with the sealing cavity 303, and the air inlet valve core is communicated with the air inlet valve 2 is communicated with the air hole 302 in the axial direction of the first air hole or the valve cavity, when the valve core is controlled to move along the axial direction is controlled to move along the first air hole or the air inlet valve side wall is communicated with the first air hole 302; when the second air hole is communicated with the third air hole, the air in the sealing cavity is exhausted, the valve core is pushed to axially move under the action of the first elastic component, and the end part of the valve core pushes the sliding plug to reset; after the electromagnetic valve is reset, the first air hole, the second air hole and the third air hole are uniformly communicated, the sealing cavity is in a sealing state, at the moment, the manual valve core is pushed to approach the sliding plug direction against the second spring force, and the sliding plug is pushed to move by air pressure in the pushing process because of the sealing cavity, so that the manual driving of the valve core is realized.
In this embodiment, the first air hole 301 is communicated with the air inlet port 101 through a process hole, the process hole vertically penetrates through the first sliding cavity 20a, at the same time, at least two sealing rings are arranged on the side wall of the manual valve core 51, the process hole is located between two adjacent sealing rings, the process hole is prevented from being directly communicated with the first sliding cavity, after the manual valve core is pressed down, the sealing rings are located on the inner side of the process hole, so that air in the process hole can be discharged outwards from one side of the manual valve core through the first sliding cavity, and the normal detection of the electromagnetic valve can be realized while manual triggering is performed.
The limit switch electromagnetic valve adopts a split structure, is convenient to produce and process and low in manufacturing cost, and is convenient to assemble; the installation boss structure is arranged, so that the installation is convenient and reliable; the mounting surface is optimally designed, so that the mounting height is greatly reduced, the mounting space is further reduced, the application range is improved, and the application range is wide; the limit switch electromagnetic valve has the advantages of compact structure, small volume, good use effect and wide application range.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (8)

1. A limit switch solenoid valve, its characterized in that: the valve comprises a valve body, a guide seat and an electromagnetic valve, wherein a valve cavity with one end open is formed in the valve body, and a valve core assembly is arranged in the valve cavity; the pilot seat is fixed at the open end of the valve body, a first sliding cavity and a second sliding cavity which are mutually communicated are formed in the pilot seat, the end part of the second sliding cavity is open and can accommodate the insertion of the end part of the valve core assembly, a manual valve core assembly is arranged in the first sliding cavity, and a sliding plug for pushing the valve core assembly to slide is arranged in the second sliding cavity in a sliding manner; the side wall of the guide seat is provided with a mounting boss, the mounting boss is provided with a mounting surface, a first air hole communicated with an air inlet interface of the side wall of the valve body, a second air hole communicated with the first sliding cavity and a third air hole communicated with an air outlet of the side wall of the guide seat are formed in the mounting surface, and the electromagnetic valve is mounted on the mounting surface and used for controlling communication or blocking between the first air hole and the second air hole and communication or blocking between the second air hole and the third air hole.
2. The limit switch solenoid valve as set forth in claim 1, wherein: the mounting boss is cylindrical, a plane is arranged on the side wall of the mounting boss, the mounting surface is formed, and the mounting surface is parallel to the axis of the mounting boss.
3. The limit switch solenoid valve as set forth in claim 1, wherein: the installation boss and the pilot seat are integrally formed.
4. The limit switch solenoid valve as set forth in claim 1, wherein: the axis of the installation boss is perpendicular to the axis of the valve cavity and the axis of the air inlet interface at the same time.
5. The limit switch solenoid valve as set forth in claim 1, wherein: the valve core assembly comprises a valve core and a first elastic component which enables the valve core to have a movement trend of approaching to the open end of the valve cavity.
6. The limit switch solenoid valve as set forth in claim 1, wherein: the manual valve core assembly comprises a manual valve core and a second elastic component which enables the manual valve core to have a movement trend back to the sliding plug.
7. The limit switch solenoid valve as set forth in claim 1, wherein: and the root of the installation boss is provided with external threads.
8. The limit switch solenoid valve as set forth in claim 1, wherein: and the mounting surface is provided with a mounting hole for mounting the electromagnetic valve.
CN202322080495.0U 2023-08-03 2023-08-03 Limit switch solenoid valve Active CN220379008U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322080495.0U CN220379008U (en) 2023-08-03 2023-08-03 Limit switch solenoid valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322080495.0U CN220379008U (en) 2023-08-03 2023-08-03 Limit switch solenoid valve

Publications (1)

Publication Number Publication Date
CN220379008U true CN220379008U (en) 2024-01-23

Family

ID=89569310

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322080495.0U Active CN220379008U (en) 2023-08-03 2023-08-03 Limit switch solenoid valve

Country Status (1)

Country Link
CN (1) CN220379008U (en)

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