Novel pneumatic electromagnetic valve with sealing structure

Abstract

The utility model discloses a novel pneumatic electromagnetic valve with a sealing structure, which relates to the technical field of pneumatic electromagnetic valves, and comprises a flange and a sleeve, a fixed iron core is arranged at the lower end of the sleeve, an inner sunken groove is arranged on the outer surface of the fixed iron core, a fixed iron core sealing ring is embedded in the inner sunken groove, and a fixed iron core is arranged in the fixed iron core sealing ring. According to the scheme, the problems that after a sleeve and a fixed iron core of an existing pneumatic electromagnetic valve are assembled, the sleeve and the fixed iron core are fixed through rotary welding, and the effect of sealing gas is achieved are solved; the problems that in a traditional production line, laser welding needs to be conducted twice, two welding devices are invested, the device investment and using cost is high, and the assembling takt is slow are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic solenoid valve technical field, concretely to a new type sealed structure pneumatic solenoid valve. BACKGROUND

[0002] Pneumatic solenoid valve is a kind of equipment for operating fluid flow by electromagnetic control, belongs to one kind of actuator;

[0003] For example, the patent number CN117967856A (a commercial vehicle transmission selects and changes gear cylinder pneumatic control valve):Including valve sleeve, sleeve, plastic framework, coil, static iron core, dynamic iron core and spring, the inside of valve sleeve is equipped with air inlet hole and the top outside is equipped with small sealing ring, sleeve is equipped with large sealing ring, static iron core is coaxially equipped with exhaust hole and is communicated with atmosphere, the static iron core is connected with magnetic assembly;Dynamic iron core outside is equipped with air passage;The commercial vehicle transmission selects and changes gear cylinder pneumatic control valve of the application, few parts, simple structure is compact, size is smaller, both facilitate customer to arrange electromagnetic valve on valve plate, and arrange pneumatic control valve plate module in gearbox;Increase the reliability of electromagnetic valve and reduce the raw material cost and assembly difficulty of whole valve, make it more easily realize industrialization, and adopt front protrusion cooperation front sealing pad, rear protrusion cooperation rear sealing pad, make the sealing in valve more reliable, while seat valve structure is stronger against pollutants.

[0004] However, the sleeve and the fixed iron core of the existing pneumatic solenoid valve are assembled, and the rotary welding makes the two fixed and plays a sealing gas role, then the rotary welding piece and the shell are end face circumferential welded, and the fixed role is played, the traditional production line needs to be laser welded twice, two welding equipment are invested, the equipment investment and use cost are higher and the assembly rhythm is slower;Therefore, it does not meet the existing demand, and for this, we propose a new type sealed structure pneumatic solenoid valve. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a new type sealed structure pneumatic solenoid valve to solve the problems that the sleeve and the fixed iron core of the existing pneumatic solenoid valve are assembled, and the rotary welding makes the two fixed and plays a sealing gas role, then the rotary welding piece and the shell are end face circumferential welded, and the fixed role is played, the traditional production line needs to be laser welded twice, two welding equipment are invested, the equipment investment and use cost are higher and the assembly rhythm is slower.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A novel sealed structure pneumatic electromagnetic valve, include: flange and sleeve, the lower extreme of sleeve is provided with fixed core, the outer surface of fixed core is provided with recessed groove, the recessed groove is embedded with fixed core seal ring, the outside of sleeve is provided with coil former, the outer wall of coil former surrounds coil, the outside of coil former is wrapped through shell.

[0007] Preferably, the inside of the sleeve is provided with an armature, the outside of the armature is provided with a spring, and one end of the spring presses the armature and the other end presses the sleeve, the lower end of the armature is provided with a sealing rubber B, the top end of the armature is provided with a rubber support, and the top end of the rubber support is embedded with a sealing rubber A.

[0008] Preferably, the outside of the flange is provided with a small sealing ring, and the small sealing ring is clamped in the ring groove pre-provided on the outer surface of the flange.

[0009] Preferably, the outside of the sleeve is provided with a large sealing ring, and the large sealing ring surrounds the sleeve once.

[0010] Preferably, the top end of the shell is provided with a magnetic gasket, and both sides of the magnetic gasket are provided with mounting holes.

[0011] Preferably, one side of the coil former is provided with a conductive pin, and the conductive pin is provided with a plurality of conductive pins, and one end of the conductive pin is connected with the coil.

[0012] Preferably, the upper surface of the fixed core is provided with a gap groove, the lower surface of the fixed core is flush with the lower end surface of the sleeve, and the fixed core and the sleeve are gap-fitted.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1), the utility model discloses a recessed groove is arranged on the outer surface of fixed core, and fixed core seal ring is embedded in the recessed groove, and the recessed groove plays the limiting and anti-deviation effect for fixed core seal ring, improves stability, then the sleeve is assembled with fixed core, and the assembled component is fixed with the shell through end face circumferential welding, fixed core seal ring is used instead of welding sealing, which guarantees the sealing property, reduces a welding process, improves production efficiency, reduces the investment and use cost of a welding equipment, saves the cost, reduces the assembly rhythm, solves the sleeve and fixed core assembly of the existing pneumatic electromagnetic valve, and the sleeve and fixed core are fixed through rotary welding and play the sealed gas role, then the rotary welding piece is welded with the shell through end face circumferential welding, plays the fixed role, and the traditional production line needs to be welded twice, and two welding equipments are needed, so the equipment investment and use cost are higher, and the assembly rhythm is slower. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model;

[0016] Figure 2 It is the whole cross section structure schematic view of the utility model;

[0017] Figure 3 It is the sleeve and fixed iron core connecting cross section structure schematic view of the utility model;

[0018] Figure 4 It is the fixed iron core and fixed iron core sealing ring connecting cross section structure schematic view of the utility model;

[0019] In the drawing: 1, flange; 2, sleeve; 3, big sealing ring; 4, armature; 5, sealing rubber B; 6, fixed iron core; 7, fixed iron core sealing ring; 8, shell; 9, coil skeleton; 10, coil; 11, magnetic gasket; 12, spring; 13, rubber support; 14, sealing rubber A; 15, small sealing ring; 16, mounting hole; 17, conductive pin; 18, recessed groove; 19, gap groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] Please refer to Figures 1-4The utility model provides a kind of new sealed structure pneumatic electromagnetic valve of an embodiment: including: flange 1 and sleeve 2, the lower end of sleeve 2 is provided with fixed core 6, the outer surface of fixed core 6 is provided with recessed groove 18, fixed core sealing ring 7 is embedded in recessed groove 18, the outside of sleeve 2 is provided with coil former 9, the outer wall of coil former 9 is around coil 10, the outside of coil former 9 is wrapped by shell 8, the top of shell 8 is provided with magnetic gasket 11, both sides surfaces of magnetic gasket 11 are provided with mounting hole 16, one side of coil former 9 is provided with conducting pin 17, and conducting pin 17 is provided with multiple, one end of conducting pin 17 is connected with coil 10 around, the working principle of pneumatic electromagnetic valve is prior art, and the principle of pneumatic control valve of comparison document is same, not repeat here, the upper surface of fixed core 6 is provided with gap groove 19, the upper surface of fixed core 6 is provided with gap groove 19, and the lower surface of fixed core 6 is flush with the lower end surface of sleeve 2, manually fixed core sealing ring 7 is sleeved in recessed groove 18 outside the outer surface of fixed core 6, relies on recessed groove 18 to fixed core sealing ring 7 play limiting and prevent deviation effect, improve stability, then sleeve 2 and fixed core 6 are assembled, when assembling, the lower surface of fixed core 6 is flush with the lower end surface of sleeve 2, forms clearance fit, and the assembled assembly is fixed with shell 8 with end face circumferential welding, replace welding sealing by fixed core sealing ring 7, guarantee sealing property, reduce a welding procedure, improve production efficiency, and reduce the investment and use cost of a welding equipment, save cost, reduce assembly beat effect.

[0022] Please refer to Figure 1 、 2 The inside of sleeve 2 is provided with armature 4, the outside of armature 4 is provided with spring 12, and one end of spring 12 is pressed tightly armature 4, and the other end is pressed tightly sleeve 2, the lower end of armature 4 is provided with sealing rubber B5, the top of armature 4 is provided with rubber support 13, the top of rubber support 13 is embedded with sealing rubber A14, armature 4 moves by spring 12, sealing rubber A14 is supported by rubber support 13, and the overall sealing performance is improved by sealing rubber A14, the outside of flange 1 is provided with small sealing ring 15, and small sealing ring 15 is clamped in the ring groove of flange 1 outer surface, and the sealing line of flange 1 is improved by small sealing ring 15, the outside of sleeve 2 is provided with large sealing ring 3, and large sealing ring 3 surrounds sleeve 2 a circle, and the sealing connection effect is realized to the outside of sleeve 2 by large sealing ring 3.

[0023] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A new type of sealed structure pneumatic electromagnetic valve, comprising a flange (1) and a sleeve (2), characterized in that: The flange (1) is located at the top end of the sleeve (2), the lower end of the sleeve (2) is provided with a fixed core (6), the outer surface of the fixed core (6) is provided with a recessed groove (18), the inside of the recessed groove (18) is embedded with a fixed core sealing ring (7), the outside of the sleeve (2) is provided with a coil former (9), the outer wall of the coil former (9) surrounds a coil (10), and the outside of the coil former (9) is provided with a shell (8).

2. A new type of sealed pneumatic electromagnetic valve according to claim 1, characterized in that: The inside of the sleeve (2) is provided with an armature (4), the outside of the armature (4) is provided with a spring (12), one end of the spring (12) is pressed against the armature (4), the other end is pressed against the sleeve (2), the lower end of the armature (4) is provided with a sealing rubber B (5), the top end of the armature (4) is provided with a rubber support (13), the top end of the rubber support (13) is embedded with a sealing rubber A (14).

3. A new type of sealed pneumatic electromagnetic valve according to claim 2, characterized in that: The outside of the flange (1) is provided with a small sealing ring (15), and the small sealing ring (15) is clamped in the ring groove pre-provided on the outer surface of the flange (1).

4. The new type of sealed pneumatic electromagnetic valve according to claim 1, characterized in that: The outside of the sleeve (2) is provided with a large sealing ring (3), and the large sealing ring (3) surrounds the sleeve (2) once.

5. The new type of sealed pneumatic electromagnetic valve according to claim 1, characterized in that: The top end of the shell (8) is provided with a magnetic gasket (11), both sides of the magnetic gasket (11) are provided with mounting holes (16).

6. The new type of sealed pneumatic electromagnetic valve according to claim 1, characterized in that: One side of the coil former (9) is provided with a conductive pin (17), and a plurality of conductive pins (17) are provided, one end of the conductive pin (17) is connected with the coil (10).

7. The new type of sealed pneumatic electromagnetic valve according to claim 1, characterized in that: The upper surface of the fixed core (6) is provided with a gap groove (19), the lower surface of the fixed core (6) is flush with the lower end surface of the sleeve (2), and the fixed core (6) is gap-fitted with the sleeve (2).

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