CN209196234U - A kind of Ceramic Balls sealing intake solenoid valve - Google Patents

Abstract

The utility model relates to a kind of Ceramic Balls to seal intake solenoid valve, include upper valve body, mandril, armature and Ceramic Balls；Upper valve body is equipped with through-hole, and one end in the through-hole is equipped with spring, and the other end, which is equipped with, adjusts screw, and upper valve body is corresponding to be located in shell, and outer casing inner wall face is equipped with loop coil component, and magnetism isolating spacer is equipped between the coil block and upper valve body；Armature is equipped in magnetism isolating spacer, armature one end corresponding with upper valve body is equipped with spring lining bar, and shell is correspondingly connected with far from the one end for adjusting screw with valve body；Valve body is equipped with through-hole corresponding with armature, and one end that armature is corresponded in the through-hole is equipped with sliding sleeve, is plugged with mandril in sliding sleeve, one end and the armature of mandril are correspondingly connected with, and the other end is connected with throttle and seal receptacle in turn from outside to inside in the through-hole；Seal receptacle is equipped with groove far from one end of throttle, and the bottom of groove is equipped with venthole；The solenoid valve is not only able to significantly improve response speed and service life, but also has stronger environmental suitability.

Description

A kind of Ceramic Balls sealing intake solenoid valve

Technical field

The utility model relates to aviation pneumatic device fields, seal intake solenoid valve more particularly, to a kind of Ceramic Balls.

Background technique

Well known, solenoid valve is electromagnetically controlled industrial equipment, is the automatic foundamental element for controlling fluid, is belonged to In actuator, however it is not limited to hydraulic, pneumatic；Direction, flow, speed and the others of medium are adjusted in industrial control system Parameter, solenoid valve can cooperate different circuits to realize expected control, and the precision and flexibility that control can guarantee, There are many kinds of solenoid valves, and different solenoid valves plays different effects in the different location of control system；It is right under various circumstances The performance requirement of solenoid valve is also different, is especially applied to the solenoid valve of aviation field, and performance requirement is higher than common industry electromagnetism Valve should have that compact-sized, good airproof performance, quick response, lift rod stroke are small, flow is permanent applied to the solenoid valve of aviation field The features such as fixed, environmental suitability is strong and long service life；

Chinese patent (notification number: CN202691064U) discloses a kind of big caliber electromagnetic valve of soft seal, which adopts Movable valve plug is sealed with soft seal, there is preferable sealing effect, improve the sealing performance of solenoid valve, but in reality It is found in the practical process of border, the soft seal used can deform after practical a period of time, so that sealing effect is beaten greatly Discount, and physical life is shorter；

Chinese patent (notification number: CN201373164) discloses a kind of solenoid valve, and the mounting hole of the patent is provided with hard close The top of end socket, hard seal head is connected on core iron by counterbalance spring, and the other end of core iron is equipped with reset spring, due to hard close End socket is not easy to wear, deforms, and hard seal head constantly hits valve port at work, and the adjustment of hard seal head and valve port can be made more next Better, to guarantee sealing performance, even if valve port recess or hard seal head abrasion, counterbalance spring also can be by hard seal head down Pressure, the gap generated between the hard seal head of effective compensation and valve port, but found in practical practical process, the gas output of the patent It cannot keep constant, further, since it is equipped with spring at core iron both ends, in core iron work, the spring at its both ends is cancelled out each other Certain active force, so that the response speed of the patent at work is slower.

Summary of the invention

In order to overcome the shortcomings in the background art, the utility model discloses can effectively solve the problem that propose in background technique A kind of Ceramic Balls of problem seal intake solenoid valve.

For achieving the above object, the utility model adopts the following technical solution:

A kind of Ceramic Balls sealing intake solenoid valve, includes valve body, upper valve body, shell, mandril, armature, spring, coil block And Ceramic Balls；The middle part of the upper valve body is equipped with through-hole, and one end in the through-hole is equipped with spring, and the other end, which is equipped with, adjusts screw, The one end for adjusting and being equipped with sealing ring I between screw and upper valve body, and spring is arranged in upper valve body, which corresponds to, to be located in shell, in shell Wall surface is equipped with loop coil component, and magnetism isolating spacer is equipped between the coil block and upper valve body；It is equipped in the magnetism isolating spacer and upper valve The axial corresponding armature of body, and there are gap between the armature and upper valve body, armature one end corresponding with upper valve body is equipped with spring Lining bar, the spring lining bar are corresponding with spring mating；The shell is far from one end sealed connection corresponding with valve body for adjusting screw；Institute The axle center for stating valve body is equipped with through-hole corresponding with armature, and one end that armature is corresponded in the through-hole is fixedly installed sliding sleeve, sliding Be plugged with mobilizable mandril in dynamic set, and one end of mandril is correspondingly connected with armature, in the through-hole other end from outside to inside according to It is secondary to be fixedly connected with throttle and seal receptacle；The center of the throttle is equipped with throttle orifice；The seal receptacle is far from throttle One end is equipped with the groove of corresponding placing ceramic ball, and the bottom of groove is equipped with the venthole of connection corresponding with throttle orifice；The valve body The air inlet through body wall is equipped in the position that Ceramic Balls are in contact with mandril.

Further, the upper valve body and shell are tightly connected by rolling beading.

Further, magnetism isolating spacer one end corresponding with valve body end is equipped with sealing ring III, and other end end is equipped with sealing Circle II.

Further, the seal receptacle is stepped ramp type, and the step surface of corresponding fixing seal seat is equipped in the through-hole of valve body.

Further, the step surface position is equipped with adjusting pad.

Further, sealing ring V is equipped between the seal receptacle and valve body.

Further, the step surface for fixed placement sliding sleeve is equipped in the through-hole of the valve body.

Further, one end of the armature is protruded into the through-hole of valve body or one end of the sliding sleeve is protruded into shell.

Further, the two sides of the valve body air inlet are respectively equipped with sealing ring IV.

Further, the aperture of the throttle orifice is less than venthole.

Due to the adoption of the technical scheme as described above, the utility model has the following beneficial effects:

The Ceramic Balls seal intake solenoid valve, and compact-sized, good airproof performance passes through the multiple-sealed of inside setting Circle, so that sealed reliable, meanwhile, rolling beading sealing means, easy to operate, external seal are used between the upper valve body and shell Reliably；The lift rod stroke is smaller, and mandril is directly contacted with Ceramic Balls, significantly improves response speed；Pass through going out for valve body Throttle is installed at gas end, guarantees that outlet side flow is constant；Using press-fitting pressure retaining technology between the Ceramic Balls and seal receptacle, guarantee Press-fitting depth is definite value, and the mandril, armature and spring lining bar use press-fitting technology, and three keeps one, in electromagnetic force Lower three can move back and forth in sliding sleeve, and wherein thimble uses 9Cr18, and after heat treatment hardness is up to HRC50~55, warp 10,000,000 fatigue test back centers are crossed without abrasion, i.e. the guarantee constant 0.1mm ± 0.02mm of stroke；In addition, Ceramic Balls can be according to Make the utility model that there is stronger environmental suitability by the excellent performance of ceramic material, while improving service life；Through Experimental results demonstrate the opening time≤2.5ms of the utility model is release time≤5.5ms, significant compared with conventional solenoid valve Improve response speed.

Detailed description of the invention

Fig. 1 is the schematic diagram of the utility model.

In figure: 1, throttle；2, seal receptacle；3, sliding sleeve；4, valve body；5, mandril；6, armature；7, spring；8, coil group Part；9, shell；10, upper valve body；11, screw is adjusted；12, sealing ring I；13, sealing ring II；14, magnetism isolating spacer；15, spring lining bar； 16, sealing ring III；17, sealing ring IV；18, Ceramic Balls 19, sealing ring V；20, adjusting pad.

Specific embodiment

The present invention can be explained in more detail by the following examples, open the purpose of this utility model is intended to protect this All changes and improvements within the scope of utility model, the utility model are not limited by the following examples:

In conjunction with attached drawing 1, the Ceramic Balls seal intake solenoid valve, comprising valve body 4, upper valve body 10, shell 9, mandril 5, Armature 6, spring 7, coil block 8 and Ceramic Balls 18；The middle part of the upper valve body 10 is equipped with through-hole, and one end in the through-hole is equipped with Spring 7, the other end be equipped with adjust screw 11, and one end of spring 7 and adjust screw 11 head end it is inconsistent, adjust screw 11 and Sealing ring I 12 is equipped between upper valve body 10, and one end of setting spring 7 corresponds in shell 9 in upper valve body 10, in shell 9 Wall surface is equipped with loop coil component 8, and magnetism isolating spacer 14 is equipped between the coil block 8 and upper valve body 10, and magnetism isolating spacer 14 can play Effect every magnetic, increase magnetic circuit gap avoids the remanent magnetism of the coil block 8 from influencing the reset of armature 6；As needed, on described Valve body 10 and shell 9 are tightly connected by rolling beading, and external seal is reliable, and easy to operate, economical and practical；The magnetism isolating spacer 14 One end corresponding with valve body 4 end is equipped with sealing ring III 16, and other end end is equipped with the sealing ring II 13 of corresponding upper valve body 10, if Setting multiple sealing rings makes sealing effect more significant；Be equipped in the magnetism isolating spacer 14 it is axial corresponding with upper valve body 10, and with There are the armature 6 in gap between upper valve body 10, and the gap is for ensureing armature 6 under the magneticaction of coil block 8 along upper valve The space that body 10 moves axially；The one end corresponding with upper valve body 10 of armature 6 is equipped with spring lining bar 15, the spring lining bar 15 and spring 7 correspondences are mating, and the active force convenient for generating spring 7 is applied on armature 6 by spring lining bar 15；The armature 6 and coil group 8 Corresponding matching of part can generate corresponding magnetic force and attract armature 6 after coil block 8 powers on, and enable 6 band of armature Dynamic mandril 5 is corresponding to generate corresponding movement in 10 axial direction of upper valve body；

Far from one end sealed connection corresponding with valve body 4 for adjusting screw 11, the axle center of the valve body 4 is equipped with the shell 9 Through-hole corresponding with armature 6, one end that armature 6 is corresponded in the through-hole are fixedly installed sliding sleeve 3；As needed, the rank One end that iron 6 connects mandril 5 is protruded into the through-hole of valve body 4 or shell 9 is protruded into the one end corresponding with armature 6 of the sliding sleeve 3 It is interior, it is not coaxial when docking with valve body 4 to avoid shell 9, to influence the movement of armature 6；As needed, the through-hole of the valve body 4 The interior step surface being equipped with for fixed placement sliding sleeve 3；Mandril 5 is plugged in the sliding sleeve 3, sliding sleeve 3 can make mandril 5 It can move along its axis, and one end of mandril 5 is correspondingly connected with armature 6, to ensure that armature 6 is able to drive mandril in movement 5 synchronization actions；The other end is fixedly connected sequentially from outside to inside in the through-hole of valve body 4 throttle 1 and seal receptacle 2；The throttling The center of circle 1 is equipped with throttle orifice；As needed, the seal receptacle 2 can be set as stepped ramp type, and be equipped in the through-hole of valve body 4 The step surface of corresponding fixed placement seal receptacle 2, the step surface are equipped with adjusting pad 20, and adjusting pad 20 can be such that seal receptacle 2 and valve body 4 pacifies It is complete to be spaced apart, and sealing ring V 19 is equipped between seal receptacle 2 and valve body 4, to guarantee sealed reliable, adjusting pad 20 can make to seal Seat 2 is spaced apart with valve body 4, convenient for setting sealing ring V 19；The other end of the seal receptacle 2 is equipped with corresponding placing ceramic ball 18 Groove, the bottom of groove are equipped with the venthole of connection corresponding with throttle orifice, under throttle orifice effect, guarantee that the outlet end flow is permanent It is fixed constant；As needed, the aperture of throttle orifice is less than venthole；Meanwhile utilizing Ceramic Balls 18 and 2 corresponding end groove port of seal receptacle Between separation and close contradict cooperate, can be realized the conducting and closure of gas circuit, and ceramic material have it is corrosion-resistant, it is wear-resisting Damage, it is on-deformable a little, significantly improve environmental suitability and service life；The valve body 4 is in Ceramic Balls 18 and mandril 5 The position being in contact is equipped with the air inlet through 4 side wall of valve body, enters convenient for the gas of external air source；As needed, air inlet Two sides be respectively equipped with a sealing ring IV 17, ensure that sealing performance of the utility model when connecting with other equipment.

Implement Ceramic Balls sealing intake solenoid valve described in the utility model, corresponding gas circuit is first connected using preceding, in bullet Under the action of 7 power of spring, mandril 5 holds out against Ceramic Balls 18, makes between 2 groove port of Ceramic Balls 18 and seal receptacle in compression seal shape State, gas circuit, which disconnects, at this time is in sealing state；When coil block 8 is powered, coil block 8 generates corresponding electromagnetic attraction, inhales Draw the elastic force that armature 6 overcomes spring 7, armature 6 drives mandril 5 and 15 three of spring lining bar together to the direction close to upper valve body 10 Mobile, mandril 5 no longer applies top power to Ceramic Balls 18, and the compression sealing state between 2 groove port of Ceramic Balls 18 and seal receptacle disappears It loses, to realize that gas circuit is connected, flows into gas from air inlet, flowed out from the throttle orifice of throttle 1, in the throttling of throttle 1 Under the effect of hole, guarantee that the outlet end flow is invariable；When coil block 8 powers off, under the action of 7 elastic force of spring, mandril 5, Armature 6 and 15 three of spring lining bar move backward together, and mandril 5 restores to the pressing forces of Ceramic Balls 18, make Ceramic Balls 18 with it is close It seals and restores to compress sealing state between 2 groove port of seat, realize that gas circuit disconnects.

The non-detailed portion of the utility model is the prior art, therefore the utility model is not described in detail.

Claims (10)

1. a kind of Ceramic Balls seal intake solenoid valve, it is characterized in that: including valve body (4), upper valve body (10), shell (9), mandril (5), armature (6), spring (7), coil block (8) and Ceramic Balls (18)；The middle part of the upper valve body (10) is equipped with through-hole, this is logical One end in hole is equipped with spring (7), and the other end, which is equipped with, adjusts screw (11), adjusts and is equipped between screw (11) and upper valve body (10) Sealing ring I (12), and one end of setting spring (7) corresponds in shell (9) in upper valve body (10), shell (9) inner wall is set There are loop coil component (8), is equipped with magnetism isolating spacer (14) between the coil block (8) and upper valve body (10)；The magnetism isolating spacer (14) It is interior to be equipped with armature (6) corresponding with upper valve body (10) axial direction, and there are gap, armature between the armature (6) and upper valve body (10) (6) one end corresponding with upper valve body (10) is equipped with spring lining bar (15), and the spring lining bar (15) is corresponding with spring (7) mating；Institute Shell (9) are stated far from one end sealed connection corresponding with valve body (4) for adjusting screw (11)；The axle center of the valve body (4) be equipped with The corresponding through-hole of armature (6), one end that armature (6) is corresponded in the through-hole are fixedly installed sliding sleeve (3), in sliding sleeve (3) It is plugged with mandril (5), and one end of mandril (5) is correspondingly connected with armature (6), the other end is successively fixed from outside to inside in the through-hole It is connected with throttle (1) and seal receptacle (2)；The center of the throttle (1) is equipped with throttle orifice；The seal receptacle (2) is far from section One end of stream circle (1) is equipped with the groove of corresponding placing ceramic ball (18), and the bottom of groove is equipped with going out for connection corresponding with throttle orifice Stomata；The valve body (4) is equipped with the air inlet through valve body (4) side wall in the position that Ceramic Balls (18) are in contact with mandril (5).

2. sealing intake solenoid valve according to claim 1, it is characterized in that: the upper valve body (10) passes through with shell (9) Rolling beading is tightly connected.

3. sealing intake solenoid valve according to claim 1, it is characterized in that: the magnetism isolating spacer (14) is corresponding with valve body (4) One end end be equipped with sealing ring III (16), other end end be equipped with sealing ring II (13).

4. sealing intake solenoid valve according to claim 1, it is characterized in that: the seal receptacle (2) is stepped ramp type, and valve body (4) step surface of corresponding fixing seal seat (2) is equipped in through-hole.

5. sealing intake solenoid valve according to claim 4, it is characterized in that: the step surface position is equipped with adjusting pad (20)。

6. sealing intake solenoid valve according to claim 1, it is characterized in that: being set between the seal receptacle (2) and valve body (4) There is sealing ring V (19).

7. sealing intake solenoid valve according to claim 1 is used for it is characterized in that: being equipped in the through-hole of the valve body (4) The step surface of fixed placement sliding sleeve (3).

8. sealing intake solenoid valve according to claim 1, it is characterized in that: valve body (4) are protruded into one end of the armature (6) Through-hole in or one end of the sliding sleeve (3) protrude into shell (9).

9. sealing intake solenoid valve according to claim 1, it is characterized in that: the two sides of the valve body (4) air inlet are distinguished Equipped with a sealing ring IV (17).

10. sealing intake solenoid valve according to claim 1, it is characterized in that: the aperture of the throttle orifice is less than venthole.