CN-224214813-U - Few node solenoid valve based on integrated structure

Abstract

The utility model discloses a few-node electromagnetic valve based on an integrated structure, which comprises an electromagnetic valve shell, a fixed plate, a wire frame assembly, a coil, an iron core, a push rod, a spring and a connecting plug, wherein a winding tube of the wire frame assembly and the connecting shell are integrally formed, the inner section of an L-shaped contact pin is directly welded with the end part of the coil, the traditional wire connection is omitted, a fixing frame is sleeved outside the wire frame assembly and is riveted with a riveting port of the fixed plate through a riveting groove, an anti-cracking hole is arranged at the connecting position, and a positioning assembly with a floating positioning pin is arranged on one side of the electromagnetic valve shell.

Inventors

• CHEN SHIYU
• ZHANG HUAYI

Assignees

• 浙江雷牌机件有限公司

Dates

Publication Date

20260508

Application Date

20250822

Claims (10)

1. 1. The utility model provides a few node solenoid valve based on integrated structure, includes solenoid valve shell, fixed plate, line frame subassembly, coil, iron core, push rod, spring and connecting plug, its characterized in that, connecting plug sets firmly on the line frame subassembly, connecting plug has a pair of contact pin, the contact pin includes mutually perpendicular's interior section and outer section, and outer section is located connecting plug, and the interior section of each contact pin is connected with the both ends of coil respectively, connecting plug sets firmly on the solenoid valve shell.
2. 2. The solenoid valve of claim 1, wherein the bobbin assembly comprises a bobbin and a connecting shell, the connecting shell is integrally formed with the bobbin, the coil is sleeved outside the bobbin, the iron core is fixedly arranged at the inner end of the inner cavity of the bobbin, the push rod is slidably inserted into the outer end of the inner cavity of the bobbin, and the spring is arranged between the push rod and the iron core.
3. 3. The short-node electromagnetic valve based on the integrated structure according to claim 2, wherein the bobbin and the connecting shell are integrally formed, and the inner section of the pin penetrates out of the connecting shell and then is connected with the end part.
4. 4. The electromagnetic valve with few nodes based on the integrated structure according to claim 2, wherein the coil is an enameled wire, and is wound on a bobbin through a winding machine, and two ends of the enameled wire are welded and fixed at the inner ends of the contact pins respectively.
5. 5. The electromagnetic valve with few nodes based on the integrated structure according to claim 2, further comprising a fixing frame sleeved outside the wire assembly, wherein the lower end of the fixing frame is fixedly connected with the fixing plate.
6. 6. The electromagnetic valve with few nodes based on an integrated structure according to claim 5, wherein the fixing frame is 冂 -shaped, the lower end of the fixing frame is provided with a riveting groove, the fixing plate is provided with a riveting interface, and the riveting groove is fixedly connected with the riveting interface through riveting.
7. 7. The electromagnetic valve with few nodes based on the integrated structure according to claim 6, wherein the corner positions of the inner ends of the riveting groove and the riveting opening are provided with anti-cracking holes.
8. 8. The integrated structure-based few-node electromagnetic valve according to claim 1, wherein a positioning component is installed on one side of the electromagnetic valve shell.
9. 9. The electromagnetic valve with few nodes based on the integrated structure according to claim 8, wherein the positioning assembly comprises a positioning shell, a positioning pin spring and a baffle plate, the positioning shell is fixedly arranged on a solenoid valve shell, the baffle plate is fixedly arranged on a fixed plate and extends into the bottom of the positioning shell, the positioning pin is floatingly arranged in the positioning shell through the positioning pin spring, and the lower end and the upper end respectively penetrate out of the positioning shell and the fixed plate.
10. 10. The small-node electromagnetic valve based on the integrated structure according to claim 9, wherein a through hole is formed at the upper end of the positioning pin.

Description

Few node solenoid valve based on integrated structure Technical Field The utility model relates to the technical field of automatic driving devices, in particular to a few-node electromagnetic valve based on an integrated structure. Background The electromagnetic valve is used as an executive component for converting electric energy into mechanical force, is often used as a telescopic driving component in the fields of automation equipment, mechanical transmission, intelligent equipment and the like, and realizes precise telescopic control of a mechanical structure through reciprocating motion of a push rod, such as mechanical arm joint driving, material pushing of an automation production line, a precise instrument opening and closing mechanism and the like. The basic working principle is that the electromagnetic coil is electrified to generate a magnetic field, and the push rod is driven to linearly move so as to realize the telescopic driving function. Along with continuous improvement of response speed, stability and economical requirements of industrial automation on driving components, the electromagnetic valve serving as a telescopic driving component is gradually exposed to structural design defects. In the prior art, a wire switching mode is generally adopted for connection of a coil and an external circuit of the electromagnetic valve serving as a telescopic driving component, for example, chinese patent application publication No. CN220168712U discloses an electromagnetic valve, although the electromagnetic valve is used for fluid control, the connection of the coil and the external circuit adopts a traditional lead-out wire structure, if the structure is applied to a telescopic driving scene, obvious defects exist that firstly, the number of parts and purchase cost are increased through connection of the coil and a connecting plug by wires, the wires are easy to be broken due to fatigue in a high-frequency telescopic vibration environment, secondly, the assembly process needs to be completed for two times of connection of the coil and the wires and the plug, the production time is prolonged, contact resistance is easy to be increased due to multiple times of connection, driving response speed is influenced, and finally, too many connecting nodes are easy to loose in continuous telescopic movement, driving is blocked or invalid, and the operation reliability of equipment is reduced. In order to solve the problems of high manufacturing cost, complex assembly, insufficient driving stability and the like of the conventional electromagnetic valve serving as a telescopic driving component, the utility model provides an electromagnetic valve with an integrated structural design, and the stability and the economy of telescopic driving are improved by optimizing the connection mode of a coil and a plug and a supporting structure. Disclosure of Invention The utility model aims to solve one of the technical problems existing in the prior art. The application provides a few-node electromagnetic valve based on an integrated structure, which comprises an electromagnetic valve shell, a fixed plate, a wire frame assembly, a coil, an iron core, a push rod, a spring and a connecting plug, wherein the connecting plug is fixedly arranged on the wire frame assembly, the connecting plug is provided with a pair of pins, the pins comprise inner sections and outer sections which are mutually perpendicular, the outer sections are positioned in the connecting plug, the inner sections of the pins are respectively connected with two ends of the coil, and the connecting plug is fixedly arranged on the electromagnetic valve shell. The coil holder assembly comprises a coil bobbin and a connecting shell, the connecting shell and the coil bobbin are integrally formed, the coil is sleeved outside the coil bobbin, the iron core is fixedly arranged at the inner end of the inner cavity of the coil bobbin, the push rod is slidably inserted into the outer end of the inner cavity of the coil bobbin, and the spring is arranged between the push rod and the iron core. The bobbin and the connecting shell are integrally formed, and the inner section of the contact pin penetrates out of the connecting shell to connect the end part of the coil. The coil is an enameled wire, is wound on the bobbin through a winding machine, and two ends of the enameled wire are welded and fixed at the inner ends of the contact pins respectively. The fixing frame is sleeved outside the wire frame assembly, and the lower end of the fixing frame is fixedly connected with the fixing plate. The fixing frame is 冂 -shaped, the lower end is provided with a riveting groove, the fixing plate is provided with a riveting interface, and the riveting groove is fixedly connected with the riveting interface through riveting. Anti-cracking holes are formed in the corner positions of the inner ends of the riveting grooves and the riveting openings. A positioning component is ar