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CN-224214810-U - High-sealing high-rigidity deep well electromagnetic valve

CN224214810UCN 224214810 UCN224214810 UCN 224214810UCN-224214810-U

Abstract

The utility model provides a high-sealing high-rigidity deep well electromagnetic valve which comprises an electromagnetic coil assembly, a valve body, a movable iron core and a coil shell, wherein the electromagnetic coil assembly comprises a metal framework, a medium inlet is arranged at the upper end of the metal framework, a pressure-resistant cavity communicated with the medium inlet is arranged in the metal framework, the valve body is in threaded connection with the lower end of the metal framework, one end of the valve body is provided with a valve port communicated with the pressure-resistant cavity, a valve port sealing assembly is arranged at the valve port, the valve port sealing assembly is limited between the valve body and the metal framework, the movable iron core is slidably arranged in the pressure-resistant cavity, a sealing cone for opening and closing the valve port is arranged at one end of the movable iron core, the coil shell is sleeved outside the electromagnetic coil assembly, and the upper end and the lower end of the coil shell are welded and fixed with the metal framework through welding parts respectively.

Inventors

  • MAO SHANHAI
  • WEI RONGBO
  • GU GUOYUN
  • LU HUANJIONG
  • SHAO JIE
  • ZHENG NIANZE

Assignees

  • 余姚市三力信电磁阀有限公司

Dates

Publication Date
20260508
Application Date
20250317

Claims (9)

  1. 1. A high-seal high-rigidity deep well solenoid valve, comprising: The electromagnetic coil assembly (1) comprises an integrated metal framework (11), wherein a medium inlet (101) is formed at the upper end of the metal framework (11), a pressure-resistant cavity (102) communicated with the medium inlet (101) is formed in the metal framework, a winding part (103) is formed in the inner periphery wall of the metal framework (11), a plastic insulating layer (12) is wrapped on the wall surface of the winding part (103), and a coil (13) is wound on the plastic insulating layer (12); The valve body (2) is in threaded connection with the lower end of the metal framework (11), one end of the valve body (2) facing the metal framework (11) is provided with a valve port (201) communicated with the pressure-resistant cavity (102), a valve port sealing assembly (3) is arranged at the valve port (201), and the valve port sealing assembly (3) is limited between the valve body (2) and the metal framework (11); The valve comprises a valve port sealing assembly (3), a movable iron core (4), an iron core spring (43) and a valve seat, wherein the movable iron core (4) is slidably arranged in the pressure-resistant cavity (102), one end of the movable iron core (4) facing the valve port sealing assembly (3) is provided with a sealing cone (41) for opening and closing the valve port (201), and the iron core spring (43) is arranged between the movable iron core (4) and the metal framework (11) so that the sealing cone (41) always has a trend of moving towards the valve port sealing assembly (3); The electromagnetic coil assembly comprises an integrated coil housing (5) made of metal, wherein the coil housing is sleeved outside the electromagnetic coil assembly (1), and the upper end and the lower end of the coil housing (5) are welded and fixed with the metal framework (11) through welding parts (501) respectively.
  2. 2. The deep well solenoid valve with high sealing and high rigidity as claimed in claim 1, wherein the upper end and the lower end of the coil housing (5) are respectively connected with a fastening seat (51) in a threaded manner, two first sealing rings (52) which are arranged inside and outside are arranged in the fastening seat (51), and the two first sealing rings (52) are respectively positioned at two sides of the welding part (501) and are used for sealing the welding part (501).
  3. 3. The deep well electromagnetic valve with high sealing and large rigidity as claimed in claim 2, characterized in that a creepage gap (H) is formed between the inner wall of the coil housing (5) and the coil (13), a filling cavity (502) is arranged in the coil housing (5), the filling cavity (502) penetrates through the creepage gap (H), insulating sealant is filled in the filling cavity (502), a filling opening (503) communicated with the filling cavity (502) is arranged on one side of the coil housing (5), and the insulating sealant is filled in the filling cavity (502) through the filling opening (503).
  4. 4. A high-sealing high-rigidity deep well electromagnetic valve according to claim 3 characterized in that a sealing cover plate (53) for covering the pouring opening (503) is arranged on one side of the coil housing (5), the sealing cover plate (53) is detachably connected with the coil housing (5) through a plurality of fastening screws (54), and a second sealing ring (55) is arranged between the sealing cover plate (53) and the coil housing (5).
  5. 5. The deep well solenoid valve with high sealing and high rigidity as claimed in claim 3, wherein a watertight connector (6) is installed on the coil housing (5), the watertight connector (6) is electrically connected with the coil (13) through a connecting wire (601), the connecting wire (601) is arranged in the filling cavity (502), the connecting wire (601) and the inner wall of the coil housing (5) are arranged at intervals, the watertight connector (6) is connected with the coil housing (5) in a sealing mode through a sealing joint (61), and the sealing joint (61) is connected with the coil housing (5) in a threaded mode.
  6. 6. The deep well solenoid valve with high sealing and high rigidity as claimed in claim 1, wherein the valve port sealing assembly (3) comprises a sealing pressing seat (31) fixed between the valve body (2) and the metal framework (11) and a valve port sealing piece (32) installed in the sealing pressing seat (31), the valve port sealing piece (32) corresponds to the valve port (201), the metal framework (11) is provided with a contraction part (104) at a position corresponding to the sealing pressing seat (31), and the contraction part (104) presses the sealing pressing seat (31) so that the valve port sealing piece (32) is tightly abutted on the end face of the valve body (2).
  7. 7. The high-sealing high-rigidity deep well electromagnetic valve according to claim 1, wherein the movable iron core (4) comprises an iron core main body (42) and the sealing cone (41) fixed at the center of the lower end of the iron core main body (42), a spring groove (401) and a T-shaped pressure balance hole (402) which are communicated with each other are arranged in the iron core main body (42), the T-shaped pressure balance hole (402) is positioned at the lower side of the spring groove (401), and the iron core spring (43) is positioned in the spring groove (401).
  8. 8. The high-sealing high-rigidity deep well electromagnetic valve according to claim 1, wherein an anti-collision filter (7) is connected to the bottom of the valve body (2) in a threaded mode, a plurality of reinforcing ribs (71) are arranged on the outer wall of the anti-collision filter (7) in an annular equidistant mode, a filter screen (72) is arranged in the anti-collision filter (7), a medium outlet (202) communicated with the valve port (201) is arranged at the lower end of the valve body (2), and an outlet built-in filter screen (73) is arranged in the medium outlet (202).
  9. 9. The deep well solenoid valve with high sealing and high rigidity as claimed in claim 1, wherein an inlet tee joint (8) is arranged at the medium inlet (101), a blasting valve (81) is arranged at one side of the inlet tee joint (8), an inlet joint (82) is arranged at the upper end of the inlet tee joint (8), and an inlet built-in filter screen (83) is arranged in the medium inlet (101).

Description

High-sealing high-rigidity deep well electromagnetic valve Technical Field The utility model relates to the field of electromagnetic valves, in particular to a high-sealing high-rigidity deep well electromagnetic valve. Background The application field of electromagnetic valves is becoming wider and wider, and industrial automation, artificial intelligence, medical instruments and the like are widely developed. The analysis of the components and the content of the water quality of each water layer in the underground is developed in each country, the detection and analysis technology of the underground water within one kilometer is relatively mature from the current point of view, and the matched equipment can basically meet the requirements. With the development of science and technology, scientists further increase the requirements on the detection depth, and hope to reach the limit detection depth of three kilometers, which makes extremely severe requirements on the detector, particularly on the electromagnetic valve. The small-sized safety electromagnetic valve is an important part in the deep well detector, plays a role in discharging pressure in real time under the deep well condition, and protects the detector from driving. When the detector reaches the depth of three kilometers, the small-sized safety electromagnetic valve is required to bear the impact of high pressure outside 30MPa and the impact of a pressure source inside 45MPa, so that the rigidity, the sealing performance, the switching performance and the like of the small-sized safety electromagnetic valve are all challenges. However, the existing small-sized safety solenoid valve cannot be applied to a depth of three kilometers, and thus improvement is required. Disclosure of utility model First, the technical problem to be solved The utility model aims to solve the problem of providing a high-sealing high-rigidity deep well electromagnetic valve so as to overcome the defect that the existing small-sized safety electromagnetic valve is not suitable for the depth of three kilometers. (II) technical scheme In order to solve the technical problems, the utility model provides a high-sealing high-rigidity deep well electromagnetic valve, which comprises: The electromagnetic coil assembly comprises an integrated metal framework, wherein the upper end of the metal framework is provided with a medium inlet, and a pressure-resistant cavity communicated with the medium inlet is arranged in the metal framework; the valve body is in threaded connection with the lower end of the metal framework, one end of the valve body facing the metal framework is provided with a valve port communicated with the pressure-resistant cavity, a valve port sealing assembly is arranged at the valve port, and the valve port sealing assembly is limited between the valve body and the metal framework; the movable iron core is arranged in the pressure-resistant cavity in a sliding way, and one end of the movable iron core, which faces the valve port sealing assembly, is provided with a sealing cone for opening and closing the valve port; The electromagnetic coil assembly comprises an electromagnetic coil assembly, an integrated coil shell made of metal, and a metal framework, wherein the upper end and the lower end of the coil shell are respectively welded and fixed with the metal framework through welding parts. In some embodiments, a winding part is concavely formed on the outer circumferential wall of the metal framework, a plastic insulating layer is wrapped on the wall surface of the winding part, and a coil is wound on the plastic insulating layer. In some embodiments, the upper end and the lower end of the coil housing are respectively connected with a fastening seat in a threaded manner, two first sealing rings which are arranged inside and outside are arranged in the fastening seat, and the two first sealing rings are respectively positioned at two sides of the welding part and used for sealing the welding part. In some embodiments, a creepage gap is formed between the inner wall of the coil housing and the coil, a filling cavity is formed in the coil housing, the filling cavity penetrates through the creepage gap, insulating sealant is filled in the filling cavity, a filling opening communicated with the filling cavity is formed in one side of the coil housing, and the insulating sealant is filled in the filling cavity through the filling opening. In some embodiments, a sealing cover plate for covering the pouring opening is installed on one side of the coil housing, the sealing cover plate is detachably connected with the coil housing through a plurality of fastening screws, and a second sealing ring is installed between the sealing cover plate and the coil housing. In some embodiments, the coil housing is provided with a watertight connector, the watertight connector is electrically connected with the coil through a connecting wire, the connecting wire is arranged in