Integral main control sleeve structure for electromagnetic valve

Abstract

The utility model discloses an integral main control sleeve structure for an electromagnetic valve, and relates to the field of electromagnets, the integral main control sleeve structure comprises a coil assembly, an electromagnet assembly and a main valve sleeve assembly which are sequentially assembled together, the main valve sleeve assembly comprises an integral main control structure, and the integral main control structure comprises a main control sleeve and a spring limiting seat. The main control sleeve and the spring limiting base are formed at a time through machining, the main control sleeve and the spring limiting base are of an integrated structure, through one-time forming through machining, the size variation is small, the assembly technology is simple, and therefore the electromagnetic valve is more stable in performance consistency and higher in cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electromagnet, concretely is a whole main control cover structure for electromagnetic valve. BACKGROUND

[0002] The shock absorber is an important component of the automobile suspension, and the main role is to eliminate the vibration caused by the road bump. The shock absorber uses the internal fluid and the pore to absorb the vibration energy of the spring, converts it into heat energy, eliminates the adverse energy of the vehicle, makes the vehicle can bring the more comfortable experience and the better security to the driver and the passenger, especially is advantageous to the protection of the battery and other products of the new energy automobile. The shell and the main control cover of the pilot electromagnetic valve used in the prior art are all adopted the split type structure, are assembled by assembling and pressing, the assembling process is complex, the size is unstable after assembling, thereby the overall performance of the electromagnetic valve is unstable. UTILITY MODEL CONTENTS

[0003] The utility model aims at overcoming the insufficient of prior art, provides a whole main control cover structure for electromagnetic valve, and solves the insufficient of prior art.

[0004] The utility model discloses a whole main control cover structure for electromagnetic valve, including coil assembly, electromagnet assembly and main valve cover assembly that are assembled together, the main valve cover assembly includes integral main control structure, the integral main control structure includes main control cover and spring limit seat, the main control cover and spring limit seat adopt one forming of machining.

[0005] Further, the main valve cover assembly further includes main control seat, main control end, main spring, piston cover, piston rod, auxiliary spring and control seat, the spring limit seat of the integral main control structure divides the main control cover into left cavity and right cavity, the right cavity is close to the electromagnet assembly, the main control seat is interference assembled at one end of the integral main control structure away from the electromagnet assembly, the main control end and main spring are all gap assembled in the right cavity, the control seat is gap assembled in the left cavity, the piston cover is interference assembled in the right cavity and contacts the spring limit seat, the main spring is located between the piston cover and main control end, the piston rod is slidably arranged on the spring limit seat, the auxiliary spring is arranged between the control seat and spring limit seat.

[0006] Further, the assembly position of the main control seat and the integral main control structure is provided with main control seat gasket, and the piston cover is provided with a gasket.

[0007] Further, the electromagnet assembly includes integral shell structure, the integral shell structure includes shell and inlay, and the shell and inlay are one formed by machining.

[0008] Further, the integral shell structure further comprises a core, a drive shaft and a limiting seat, two ends of the integral shell structure are respectively assembled to the coil assembly and the integral main control structure, the core and the limiting seat are both interference assembled in the integral shell structure, and the drive shaft slides through the core and the limiting seat.

[0009] Further, a guide bearing is arranged between the core and the drive shaft, and a limiting seat bearing is arranged between the limiting seat and the drive shaft.

[0010] Further, the integral shell structure is sleeved with a shell sealing ring.

[0011] The utility model discloses the beneficial effects are:

[0012] The main control sleeve, the spring limiting seat, the shell and the embedded body all adopt an integral structure, are formed by machining once, have small size difference, and the assembly process is simple, so that the performance consistency of the electromagnetic valve is more stable, and the cost is more optimal. DRAWINGS

[0013] Figure 1 It is the internal structure schematic view of the utility model discloses a kind of integral main control sleeve structure for electromagnetic valve;

[0014] Figure 2 It is the structure schematic view of integral main control structure in the utility model discloses a kind of integral main control sleeve structure for electromagnetic valve;

[0015] Figure 3 It is the structure schematic view of prior art main control sleeve;

[0016] Figure 4 It is the structure schematic view of integral shell structure in the utility model discloses a kind of integral main control sleeve structure for electromagnetic valve;

[0017] Figure 5 It is the structure schematic view of prior art shell;

[0018] Figure 6 It is the structure schematic view of the utility model discloses a kind of integral main control sleeve structure for electromagnetic valve;

[0019] In the drawing, 1-coil assembly, 2-integral shell structure, 3-shell sealing ring, 4-integral main control structure, 5-main control seat gasket, 6-main control seat, 7-main control end, 8-main spring, 9-limiting seat bearing, 10-limiting seat, 11-drive shaft, 12-core, 13-guide bearing, 14-piston sleeve, 15-gasket, 16-piston rod, 17-secondary spring, 18-regulation seat, 19-electromagnet assembly, 20-main valve sleeve assembly. DETAILED DESCRIPTION

[0020] Example one

[0021] As shown in Figures 1 to 6 , a kind of electromagnetic valve overall master sleeve structure, including coil assembly 1, electromagnet assembly 19 and main valve sleeve assembly 20 successively assembled together, main valve sleeve assembly 20 includes integrated master control structure 4, integrated master control structure 4 includes master sleeve and spring limit seat, master sleeve and spring limit seat are formed by machining once, the spring limit seat of prior art master sleeve and is fixed by interference press-fit, process is complex, size difference is big after press fitting, the spring limit seat of the application is fused into an organic whole with master sleeve, is formed by machining once, product size consistency is more stable, reduces assembly process, avoids size difference generated in assembly process, more optimal in cost;Electromagnet assembly 19 includes integrated shell structure 2, integrated shell structure 2 includes shell and inlay, shell and inlay are formed by machining once, the inlay of prior art shell is fixed by interference press-fit, riveting connection sealing, process is complex, size difference is big after press fitting, the shell of the application is fused into an organic whole with inlay, is formed by machining once, product size consistency is more stable, reduces assembly process, avoids size difference generated in assembly process, more optimal in cost.

[0022] Example two

[0023] Based on example one, as shown in Figure 1 And Figure 6 , main valve sleeve assembly 20 also includes master control seat 6, master control end 7, main spring 8, piston sleeve 14, piston rod 16, auxiliary spring 17 and control seat 18, the spring limit seat of integrated master control structure 4 separates master sleeve into left cavity and right cavity, right cavity is close to electromagnet assembly 19, master control seat 6 is interference fitted at the end of integrated master control structure 4 away from electromagnet assembly 19, master control end 7 and main spring 8 are both gap fitted in right cavity, control seat 18 is gap fitted in left cavity, piston sleeve 14 is interference fitted in right cavity and contacts spring limit seat, main spring 8 is located between piston sleeve 14 and master control end 7, piston rod 16 is slidably arranged on spring limit seat, auxiliary spring 17 is arranged between control seat 18 and spring limit seat, other structures of electromagnetic valve are not improved, still using prior art, for specific reference Patent No. 202421043072X "a kind of hydraulic regulation ball type pilot valve", the flow regulation of electromagnetic valve is not described here.

[0024] Further, the assembly position of master control seat 6 and integrated master control structure 4 is provided with master control seat gasket 5, and gasket 15 is sleeved on piston sleeve 14, so that assembly is more stable.

[0025] Example three

[0026] Based on example two, as shown in Figures 1 to 6As shown, the integral shell structure 2 also includes a core 12, a drive shaft 11 and a limit seat 10, both ends of the integral shell structure 2 are assembled to the coil assembly 1 and the integral main control structure 4 respectively, the core 12 and the limit seat 10 are interference assembled in the integral shell structure 2, the drive shaft 11 slides through the core 12 and the limit seat 10, a guide bearing 13 is arranged between the core 12 and the drive shaft 11, a limit seat bearing 9 is arranged between the limit seat 10 and the drive shaft 11, the integral shell structure 2 is sleeved with a shell sealing ring 3, the coil assembly 1 drives the drive shaft 11 to move through the magnetic circuit formed by the integral shell structure 2 according to the current input by external control, the drive shaft 11 moves to drive the control seat 18 to overcome the elastic force of the auxiliary spring 17 and the pressure formed by the piston sleeve 14 entering the liquid, and moves towards the piston sleeve 14, when the gap between the piston rod 16 and the piston sleeve 14 gradually decreases, the flow cutting effect increases, the liquid flow into the piston sleeve 14 decreases, the liquid pressure near the main control end 7 connected to the through hole 30 in the side wall of the piston sleeve 14 increases, the liquid pressure at this place and the spring force of the main spring 8 are superimposed, which exceeds the hydraulic pressure of the liquid flowing into the main control end 7 from the main control seat 6, the main control end 7 moves towards the main control seat 6, the gap between them decreases, the flow cutting effect increases, which leads to the linear reduction of the liquid flow from outside, forming a controllable flow pressure regulation mechanism.

Claims

1. A structure of a whole main control sleeve for a solenoid valve, comprising a coil assembly (1), an electromagnet assembly (19) and a main valve sleeve assembly (20) assembled together in sequence, characterized in that, The main valve sleeve assembly (20) comprises a whole main control structure (4), the whole main control structure (4) comprises a main control sleeve and a spring limiting seat, the main control sleeve and the spring limiting seat are formed by machining once, and the electromagnet assembly (19) comprises a whole shell structure (2), the whole shell structure (2) comprises a shell and an embedded body, and the shell and the embedded body are formed by machining once.

2. The integrated main control sleeve structure for a solenoid valve according to claim 1, wherein The main valve sleeve assembly (20) further comprises a main control seat (6), a main control end (7), a main spring (8), a piston sleeve (14), a piston rod (16), a secondary spring (17) and a control seat (18), the spring limiting seat of the whole main control structure (4) divides the main control sleeve into a left cavity and a right cavity, the right cavity is close to the electromagnet assembly (19), the main control seat (6) is interference-fitted at one end of the whole main control structure (4) away from the electromagnet assembly (19), the main control end (7) and the main spring (8) are both clearance-fitted in the right cavity, the control seat (18) is clearance-fitted in the left cavity, the piston sleeve (14) is interference-fitted in the right cavity and contacts the spring limiting seat, the main spring (8) is located between the piston sleeve (14) and the main control end (7), the piston rod (16) is slidably arranged on the spring limiting seat, and the secondary spring (17) is arranged between the control seat (18) and the spring limiting seat.

3. The integrated main sleeve structure for a solenoid valve according to claim 2, wherein The assembly position of the main control seat (6) and the whole main control structure (4) is provided with a main control seat gasket (5), and the piston sleeve (14) is provided with a gasket (15).

4. The integrated main sleeve structure for a solenoid valve according to claim 1, wherein The whole shell structure (2) further comprises an iron core (12), a driving shaft (11) and a limiting seat (10), both ends of the whole shell structure (2) are assembled to a coil assembly (1) and the whole main control structure (4), the iron core (12) and the limiting seat (10) are interference-fitted in the whole shell structure (2), and the driving shaft (11) slides through the iron core (12) and the limiting seat (10).

5. The integrated main sleeve structure for a solenoid valve according to claim 4, wherein A guide bearing (13) is arranged between the iron core (12) and the driving shaft (11), and a limiting seat bearing (9) is arranged between the limiting seat (10) and the driving shaft (11).

6. The integrated main sleeve structure for a solenoid valve according to claim 1, wherein The whole shell structure (2) is provided with a shell sealing ring (3).

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