CN104455656A - Normally open type side-in bottom-out on-off electromagnetic valve - Google Patents
Normally open type side-in bottom-out on-off electromagnetic valve Download PDFInfo
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- CN104455656A CN104455656A CN201410738215.3A CN201410738215A CN104455656A CN 104455656 A CN104455656 A CN 104455656A CN 201410738215 A CN201410738215 A CN 201410738215A CN 104455656 A CN104455656 A CN 104455656A
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- pin bushing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention belongs to the design technology of electromagnetic valves and relates to the improvement of a side-in bottom-out on-off electromagnetic valve, in particular to a normally open type side-in bottom-out on-off electromagnetic valve. The on-off electromagnetic valve comprises a coil lead (1), a housing (2), a coil assembly (3), a magnetic path assembly, an end cover seal ring (7) and an end cover (8), and is characterized in that the magnetic path assembly comprises a front guide sleeve (14), a magnetic isolation ring (5) and a rear guide sleeve (13) which are connected. The normally open type side-in bottom-out on-off electromagnetic valve provided by the invention meets the needs of power failure normally open service occasions.
Description
Technical field
The invention belongs to solenoid valve designing technique, relate to offside and enter the improvement that the end goes out switch electromagnetic valve.
Background technique
Existing a kind of side is entered the end and is gone out the structure of normally closed switch solenoid valve see Fig. 1,2, and it is made up of coil lead 1, shell 2, coil block 3, magnetic circuit assembly, end bracket enclosed circle 7, end cap 8, core assembly.Shell 2 is cylinders that a left end is closed, right-hand member opens wide, and in leaded hole, the left side of shell 2, has internal thread in the right output port of shell 2, has a center hole at the left end internal surface of shell 2, coil block 3 is positioned on the inner cylindrical surface of shell 2, end cap 8 has the profile of Step Shaft, end cap 8 left section of cylindrical external diameter is greater than right section of cylindrical external diameter, end cap 8 left sections of cylindrical bodys there is outside thread, this outside thread is screwed in the internal thread of shell 2, the center hole of end cap 8 is step holes that left sector hole footpath is greater than right sector hole footpath, the inner cylindrical surface of the left sector hole of end cap 8 center hole has an end bracket enclosed groove, end bracket enclosed circle 7 is positioned at above-mentioned end bracket enclosed groove, the right sector hole of end cap 8 center hole is the oil outlet that side enters that the end goes out open type switch electromagnetic valve, a side is had to enter the oil inlet hole that the end goes out open type switch electromagnetic valve in end cap 8 inside, this side is entered the external port that the end goes out the oil inlet hole of open type switch electromagnetic valve and is positioned on end cap 8 right section of cylindrical external cylindrical surface, this side is entered the inner port that the end goes out the oil inlet hole of open type switch electromagnetic valve and is communicated with the left sector hole of end cap 8 center hole, coil lead 1 is drawn from the fairlead shell 2 left side, coil lead 1 is connected with the end of a thread of coil block 3, magnetic circuit assembly is connected to form by rear guide pin bushing 4, magnetism resistent ring 5 and front guide pin bushing 6, front guide pin bushing 6 has the profile of Step Shaft, the outer surface of front guide pin bushing 6 is from left to right divided into 3 sections, the first cylindrical section 6a, the second cylindrical section 6b and three cylindrical section 6c respectively, the external diameter of the second cylindrical section 6b is maximum, and front guide pin bushing 6 has a center hole, rear guide pin bushing 4 has the profile of Step Shaft, the outer surface of rear guide pin bushing 4 is from left to right divided into 3 sections, cylinder construction section respectively, cylindrical shell of column and welding section, the cylinder construction section of rear guide pin bushing 4 is positioned at the center hole of shell 2 left end internal surface and keeps Spielpassung, the cylindrical shell of column external diameter of rear guide pin bushing 4 is equal with the external diameter of the first cylindrical section 6a of front guide pin bushing 6, the inside of rear guide pin bushing 4 is divided into 2 sections from right to left, cone shape hole section and spring base hole section respectively, wherein the right output port of spring base hole is the small diameter ports of cone shape hole, the major diameter of cone shape hole is equal with the welding section external diameter of rear guide pin bushing 4, magnetism resistent ring 5 is annulus, the external diameter of magnetism resistent ring 5 is equal with the external diameter of the first cylindrical section 6a of front guide pin bushing 6, the endoporus of magnetism resistent ring 5 is equal with the center hole aperture of front guide pin bushing 6, the right side of magnetism resistent ring 5 and the left side of front guide pin bushing 6 are welded as entirety, left section of magnetism resistent ring 5 is enclosed within the welding section of rear guide pin bushing 4 and keeps Spielpassung, the left side of magnetism resistent ring 5 and the welding section left side of rear guide pin bushing 4 are welded as entirety, the inner cylindrical surface of the inner cylindrical surface of magnetism resistent ring 5 and the center hole of front guide pin bushing 6 is coplanar, the center hole of front guide pin bushing 6, the center hole of magnetism resistent ring 5 and the cone shape hole section of rear guide pin bushing 4 form the iron core chamber of magnetic circuit assembly, the external cylindrical surface of the cylindrical shell of column of rear guide pin bushing 4, the external cylindrical surface of the external cylindrical surface of magnetism resistent ring 5 and the first cylindrical section 6a of front guide pin bushing 6 is coplanar, a toroidal cavity is formed between the inner cylindrical surface of above-mentioned external cylindrical surface and shell 2, coil block 3 is arranged in above-mentioned toroidal cavity, core assembly is made up of iron core 11, spring 12, push rod 10 and steel ball 9, iron core 11 is cylindrical bodys, there is a round platform section left side of iron core 11, the conical surface of this round platform section is parallel with the inner conical surface of the cone shape hole section of rear guide pin bushing 4, there is a central blind hole left side of iron core 11, this central blind hole is equal with the spring base hole aperture of rear guide pin bushing 4, and there is a central blind hole right side of iron core 11, and iron core 11 is positioned at the iron core chamber of magnetic circuit assembly and keeps Spielpassung, spring 12 is positioned at the spring base hole of rear guide pin bushing 4 and the central blind hole inside of iron core 11 left end, and the left end of spring 12 withstands the left side of rear guide pin bushing 4 spring base hole section, and the right-hand member of spring 12 withstands the right side of iron core 11 left end central blind hole, push rod 10 is Step Shafts, the outer surface of push rod 10 is from left to right divided into two sections, linkage section, steel ball seat section respectively, tightness is kept to coordinate in the central blind hole that the linkage section of push rod 10 inserts iron core 11 right-hand member, the right side of push rod 10 has a steel ball mounting hole, steel ball 9 to be contained in above-mentioned steel ball mounting hole and to carry out rolling beading, and steel ball 9 and steel ball mounting hole keep Spielpassung, the axis coaxle of the axis of push rod 10 and the right sector hole of end cap 8 center hole.
Its working principle is: when coil block 3 power-off, under the effect of spring 12 spring force, overcome oil pressure core assembly move right, until the left port of the right sector hole of end cap 8 center hole pushed down by steel ball 9, now filler opening and oil outlet are closed, and side is entered the end and gone out normally closed switch solenoid valve and be in closed condition; When coil block 3 is energized, the spring force that core assembly overcomes spring 12 under the effect of electromagnetic force and oil pressure is moved to the left, until the limit on the left position of core assembly, now steel ball 9 leaves the left port of the right sector hole of end cap 8 center hole, filler opening communicates with oil outlet, and side is entered the end and gone out normal close type switch electromagnetic valve and be in open mode.
Its shortcoming is: this side is entered the end and gone out normally closed switch solenoid valve and be in normally off when power-off, and the occasion often opened needing power-off cannot use.Not retrieving side enters the open source literature that the end goes out normal open switch solenoid valve at present.
Summary of the invention
The object of the invention is: propose a kind of side and enter the end and go out normal open switch solenoid valve, to meet the needs that use occasion is often opened in power-off.
Technological scheme of the present invention is: a kind of side is entered the end and gone out open type switch electromagnetic valve, comprises coil lead 1, shell 2, coil block 3, magnetic circuit assembly, end bracket enclosed circle 7 and end cap 8, shell 2 is cylinders that a left end is closed, right-hand member opens wide, and in leaded hole, the left side of shell 2, has internal thread in the right output port of shell 2, has a center hole at the left end internal surface of shell 2, coil block 3 is positioned on the inner cylindrical surface of shell 2, end cap 8 has the profile of Step Shaft, end cap 8 left section of cylindrical external diameter is greater than right section of cylindrical external diameter, end cap 8 left sections of cylindrical bodys there is outside thread, this outside thread is screwed in the internal thread of shell 2, the center hole of end cap 8 is step holes that left sector hole footpath is greater than right sector hole footpath, the inner cylindrical surface of the left sector hole of end cap 8 center hole has an end bracket enclosed groove, end bracket enclosed circle 7 is positioned at above-mentioned end bracket enclosed groove, the right sector hole of end cap 8 center hole is the oil outlet that side enters that the end goes out open type switch electromagnetic valve, a side is had to enter the oil inlet hole that the end goes out open type switch electromagnetic valve in end cap 8 inside, this side is entered the external port that the end goes out the oil inlet hole of open type switch electromagnetic valve and is positioned on end cap 8 right section of cylindrical external cylindrical surface, this side is entered the inner port that the end goes out the oil inlet hole of open type switch electromagnetic valve and is communicated with the left sector hole of end cap 8 center hole, coil lead 1 is drawn from the fairlead shell 2 left side, coil lead 1 is connected with the end of a thread of coil block 3, it is characterized in that: magnetic circuit assembly is by front guide pin bushing 14, magnetism resistent ring 5, rear guide pin bushing 13 connects to form, front guide pin bushing 14 has the profile of Step Shaft, the outer surface of front guide pin bushing 14 is from left to right divided into 4 sections, the first cylindrical section 14a respectively, second cylindrical section 14b, three cylindrical section 14c and the 4th cylindrical section 14d, the external diameter of the first cylindrical section 14a is minimum, the external diameter of three cylindrical section 14c is maximum, the endoporus of front guide pin bushing 14 is left-to-right is divided into 4 sections, cone shape hole section 14e respectively, first cylindrical hole 14f, second cylindrical hole 14g, three cylindrical hole 14h, the left port of the first cylindrical hole 14f is the small diameter ports of cone shape hole section 14e, the aperture that the aperture of the first cylindrical hole 14f is less than the second cylindrical hole 14g is less than the aperture of three cylindrical hole 14h, magnetism resistent ring 5 is annulus, the external diameter of magnetism resistent ring 5 is equal with the external diameter of the second cylindrical section 14b of front guide pin bushing 14, the inner hole sleeve of magnetism resistent ring 5 is in the outside of the first cylindrical section 14a of front guide pin bushing 14 and keep Spielpassung, and the right side of magnetism resistent ring 5 and the left side of front guide pin bushing 14 second cylindrical section 14b are welded as entirety, rear guide pin bushing 13 is annulus, and the external diameter of rear guide pin bushing 13 is equal with the external diameter of magnetism resistent ring 5, and the endoporus of rear guide pin bushing 13 is equal with the endoporus aperture of magnetism resistent ring 5, and the left side of magnetism resistent ring 5 and the right side of rear guide pin bushing 13 are welded as entirety, the inner cylindrical surface of rear guide pin bushing 13 and the inner cylindrical surface of magnetism resistent ring 5 coplanar, the cone shape hole section 14e of the endoporus of rear guide pin bushing 13, the endoporus of magnetism resistent ring 5 and front guide pin bushing 14 forms the iron core chamber of magnetic circuit assembly, the external cylindrical surface of the external cylindrical surface of rear guide pin bushing 13, the external cylindrical surface of magnetism resistent ring 5 and front guide pin bushing 14 second cylindrical section 14b is coplanar, form a toroidal cavity between the inner cylindrical surface of above-mentioned external cylindrical surface and shell 2, coil block 3 is arranged in above-mentioned toroidal cavity, in the iron core chamber of magnetic circuit assembly, copper blocking 20 and iron core 18 are installed, copper blocking 20 has Step Shaft profile, the outer surface of copper blocking 20 is divided into two sections, from left to right the first cylindrical section and the second cylindrical section respectively, second cylindrical section of copper blocking 20 there is plug for seal groove, plug for seal circle 19 is arranged in plug for seal groove, the left end of copper blocking 20 is positioned at the center hole of shell 2 left end internal surface and keeps Spielpassung, and the second cylindrical section that the left end of rear guide pin bushing 13 is enclosed within copper blocking 20 keeps Spielpassung, iron core 18 is cylindrical bodys, the right-hand member of iron core 18 has a round platform section, the conical surface of this round platform section is parallel with the inner conical surface of front guide pin bushing 14 cone shape hole section 14e, and the right side of iron core 18 has a central blind hole, and iron core 18 is positioned at the iron core chamber of magnetic circuit assembly and keeps Spielpassung, push rod component is by spring 15, steel ball 16 and push rod 17 form, push rod 17 is Step Shafts, the outer surface of push rod 17 is from left to right divided into three sections, linkage section respectively, guide section and spring seat section, the left end of push rod 17 linkage section is through inserting in the central blind hole of iron core 18 after the cone shape hole section 14e of front guide pin bushing 14 and the first cylindrical hole 14f, the guide section of push rod 17 is positioned at the second cylindrical hole 14g of front guide pin bushing 14 and keeps Spielpassung, spring 15 is enclosed within outside the spring seat section of push rod 17, the left end of spring 15 withstands the right side of push rod 17 guide section, the right-hand member of spring 15 withstands the step end face of end cap 8 center hole, the right side of push rod 17 has a steel ball mounting hole, steel ball 16 to be contained in above-mentioned steel ball mounting hole and to carry out rolling beading, steel ball 16 and steel ball mounting hole keep Spielpassung, the axis coaxle of the axis of push rod 17 and the right sector hole of end cap 8 center hole, when coil block 3 power-off, under the effect of spring 15 spring force, push rod component and iron core 18 are positioned at limit on the left position, and steel ball 16 leaves the left port of the right sector hole of end cap 8 center hole, and side is entered the end and gone out open type switch electromagnetic valve and be in open mode, when coil block 3 is energized, under the effect of electromagnetic force, push rod component and iron core 18 are positioned at limit on the right-right-hand limit position, and the left port of the right sector hole of end cap 8 center hole pushed down by steel ball 16, and side is entered the end and gone out open type switch electromagnetic valve and be in closed condition.
Advantage of the present invention is: propose a kind of side and enter the end and go out normal open switch solenoid valve, meet the needs that use occasion is often opened in power-off.
Accompanying drawing explanation
Fig. 1 is the structural representation that existing a kind of side enters that the end goes out normally closed switch solenoid valve.
Fig. 2 is the structural representation that existing a kind of side enters that the end goes out guide pin bushing before in normally closed switch solenoid valve.
Fig. 3 is structural representation of the present invention.
Fig. 4 is the structural representation of front guide pin bushing in the present invention.
Embodiment
Below the present invention is described in further details.See Fig. 3,4, a kind of side is entered the end and is gone out open type switch electromagnetic valve, comprises coil lead 1, shell 2, coil block 3, magnetic circuit assembly, end bracket enclosed circle 7 and end cap 8, shell 2 is cylinders that a left end is closed, right-hand member opens wide, and in leaded hole, the left side of shell 2, has internal thread in the right output port of shell 2, has a center hole at the left end internal surface of shell 2, coil block 3 is positioned on the inner cylindrical surface of shell 2, end cap 8 has the profile of Step Shaft, end cap 8 left section of cylindrical external diameter is greater than right section of cylindrical external diameter, end cap 8 left sections of cylindrical bodys there is outside thread, this outside thread is screwed in the internal thread of shell 2, the center hole of end cap 8 is step holes that left sector hole footpath is greater than right sector hole footpath, the inner cylindrical surface of the left sector hole of end cap 8 center hole has an end bracket enclosed groove, end bracket enclosed circle 7 is positioned at above-mentioned end bracket enclosed groove, the right sector hole of end cap 8 center hole is the oil outlet that side enters that the end goes out open type switch electromagnetic valve, a side is had to enter the oil inlet hole that the end goes out open type switch electromagnetic valve in end cap 8 inside, this side is entered the external port that the end goes out the oil inlet hole of open type switch electromagnetic valve and is positioned on end cap 8 right section of cylindrical external cylindrical surface, this side is entered the inner port that the end goes out the oil inlet hole of open type switch electromagnetic valve and is communicated with the left sector hole of end cap 8 center hole, coil lead 1 is drawn from the fairlead shell 2 left side, coil lead 1 is connected with the end of a thread of coil block 3, it is characterized in that: magnetic circuit assembly is by front guide pin bushing 14, magnetism resistent ring 5, rear guide pin bushing 13 connects to form, front guide pin bushing 14 is cylinders, the outer surface of front guide pin bushing 14 is from left to right divided into 4 sections, the first cylindrical section 14a respectively, second cylindrical section 14b, three cylindrical section 14c and the 4th cylindrical section 14d, the external diameter of the first cylindrical section 14a is minimum, the external diameter of three cylindrical section 14c is maximum, the endoporus of front guide pin bushing 14 is left-to-right is divided into 4 sections, cone shape hole section 14e respectively, first cylindrical hole 14f, second cylindrical hole 14g, three cylindrical hole 14h, the left port of the first cylindrical hole 14f is the small diameter ports of cone shape hole section 14e, the aperture that the aperture of the first cylindrical hole 14f is less than the second cylindrical hole 14g is less than the aperture of three cylindrical hole 14h, magnetism resistent ring 5 is annulus, the external diameter of magnetism resistent ring 5 is equal with the external diameter of the second cylindrical section 14b of front guide pin bushing 14, the inner hole sleeve of magnetism resistent ring 5 is in the outside of the first cylindrical section 14a of front guide pin bushing 14 and keep Spielpassung, and the right side of magnetism resistent ring 5 and the left side of front guide pin bushing 14 second cylindrical section 14b are welded as entirety, rear guide pin bushing 13 is annulus, and the external diameter of rear guide pin bushing 13 is equal with the external diameter of magnetism resistent ring 5, and the endoporus of rear guide pin bushing 13 is equal with the endoporus aperture of magnetism resistent ring 5, and the left side of magnetism resistent ring 5 and the right side of rear guide pin bushing 13 are welded as entirety, the inner cylindrical surface of rear guide pin bushing 13 and the inner cylindrical surface of magnetism resistent ring 5 coplanar, the cone shape hole section 14e of the endoporus of rear guide pin bushing 13, the endoporus of magnetism resistent ring 5 and front guide pin bushing 14 forms the iron core chamber of magnetic circuit assembly, the external cylindrical surface of the external cylindrical surface of rear guide pin bushing 13, the external cylindrical surface of magnetism resistent ring 5 and front guide pin bushing 14 second cylindrical section 14b is coplanar, form a toroidal cavity between the inner cylindrical surface of above-mentioned external cylindrical surface and shell 2, coil block 3 is arranged in above-mentioned toroidal cavity, in the iron core chamber of magnetic circuit assembly, copper blocking 20 and iron core 18 are installed, copper blocking 20 has Step Shaft profile, the outer surface of copper blocking 20 is divided into two sections, from left to right the first cylindrical section and the second cylindrical section respectively, second cylindrical section of copper blocking 20 there is plug for seal groove, plug for seal circle 19 is arranged in plug for seal groove, the left end of copper blocking 20 is positioned at the center hole of shell 2 left end internal surface and keeps Spielpassung, and the second cylindrical section that the left end of rear guide pin bushing 13 is enclosed within copper blocking 20 keeps Spielpassung, iron core 18 is cylindrical bodys, the right-hand member of iron core 18 has a round platform section, the conical surface of this round platform section is parallel with the inner conical surface of front guide pin bushing 14 cone shape hole section 14e, and the right side of iron core 18 has a central blind hole, and iron core 18 is positioned at the iron core chamber of magnetic circuit assembly and keeps Spielpassung, push rod component is by spring 15, steel ball 16 and push rod 17 form, push rod 17 is Step Shafts, the outer surface of push rod 17 is from left to right divided into three sections, linkage section respectively, guide section and spring seat section, the left end of push rod 17 linkage section is through inserting in the central blind hole of iron core 18 after the cone shape hole section 14e of front guide pin bushing 14 and the first cylindrical hole 14f, the guide section of push rod 17 is positioned at the second cylindrical hole 14g of front guide pin bushing 14 and keeps Spielpassung, spring 15 is enclosed within outside the spring seat section of push rod 17, the left end of spring 15 withstands the right side of push rod 17 guide section, the right-hand member of spring 15 withstands the step end face of end cap 8 center hole, the right side of push rod 17 has a steel ball mounting hole, steel ball 16 to be contained in above-mentioned steel ball mounting hole and to carry out rolling beading, steel ball 16 and steel ball mounting hole keep Spielpassung, the axis coaxle of the axis of push rod 17 and the right sector hole of end cap 8 center hole, when coil block 3 power-off, under the effect of spring 15 spring force, push rod component and iron core 18 are positioned at limit on the left position, and steel ball 16 leaves the left port of the right sector hole of end cap 8 center hole, and side is entered the end and gone out open type switch electromagnetic valve and be in open mode, when coil block 3 is energized, under the effect of electromagnetic force, push rod component and iron core 18 are positioned at limit on the right-right-hand limit position, and the left port of the right sector hole of end cap 8 center hole pushed down by steel ball 16, and side is entered the end and gone out open type switch electromagnetic valve and be in closed condition.
Working principle of the present invention is: iron core 18 has a working stroke in iron core chamber, push rod 17 left end withstands at the bottom of the hole of iron core 18 right-hand member central blind hole, when coil block 3 no electric circuit, the spring force of spring 15 overcomes oil pressure to be pushed away push rod 17 left, push rod 17 is moved to the left and is pushed away left by iron core 18, until the left side of iron core 18 is resisted against the right side of copper blocking 20, now steel ball 16 has a space with the left port of the right sector hole of end cap 8 center hole, and filler opening communicates with oil outlet; When coil block 3 is energized, shell 8, magnetic circuit assembly and iron core form magnetic circuit, iron core 18 overcomes spring force and moves right under electromagnetic force, push rod 17 is pushed to right side by iron core 18, until the left port of the right sector hole of end cap 8 center hole pushed down by steel ball 16, now filler opening and oil outlet are closed, and push rod 17 is subject to oil pressure to the right.
Claims (1)
1. side is entered the end and is gone out an open type switch electromagnetic valve, comprises coil lead (1), shell (2), coil block (3), magnetic circuit assembly, end bracket enclosed circle (7) and end cap (8), shell (2) is the cylinder that a left end is closed, right-hand member opens wide, in the leaded hole, left side of shell (2), there is internal thread in the right output port of shell (2), have a center hole at the left end internal surface of shell (2), coil block (3) is positioned on the inner cylindrical surface of shell (2), end cap (8) has the profile of Step Shaft, end cap (8) left section of cylindrical external diameter is greater than right section of cylindrical external diameter, end cap (8) left section of cylindrical body there is outside thread, this outside thread is screwed in the internal thread of shell (2), the center hole of end cap (8) is the step hole that left sector hole footpath is greater than right sector hole footpath, the inner cylindrical surface of the left sector hole of end cap (8) center hole has an end bracket enclosed groove, end bracket enclosed circle (7) is positioned at above-mentioned end bracket enclosed groove, the right sector hole of end cap (8) center hole is the oil outlet that side enters that the end goes out open type switch electromagnetic valve, a side is had to enter the oil inlet hole that the end goes out open type switch electromagnetic valve in end cap (8) inside, this side is entered the external port that the end goes out the oil inlet hole of open type switch electromagnetic valve and is positioned on end cap (8) right section of cylindrical external cylindrical surface, this side is entered the inner port that the end goes out the oil inlet hole of open type switch electromagnetic valve and is communicated with the left sector hole of end cap (8) center hole, coil lead (1) is drawn from the fairlead shell (2) left side, coil lead (1) is connected with the end of a thread of coil block (3), it is characterized in that: magnetic circuit assembly is by front guide pin bushing (14), magnetism resistent ring (5), rear guide pin bushing (13) connects to form, front guide pin bushing (14) has the profile of Step Shaft, the outer surface of front guide pin bushing (14) is from left to right divided into 4 sections, the first cylindrical section (14a) respectively, second cylindrical section (14b), three cylindrical section (14c) and the 4th cylindrical section (14d), the external diameter of the first cylindrical section (14a) is minimum, the external diameter of three cylindrical section (14c) is maximum, the endoporus of front guide pin bushing (14) is left-to-right is divided into 4 sections, cone shape hole section (14e) respectively, first cylindrical hole (14f), second cylindrical hole (14g), three cylindrical hole (14h), the left port of the first cylindrical hole (14f) is the small diameter ports of cone shape hole section (14e), the aperture that the aperture of the first cylindrical hole (14f) is less than the second cylindrical hole (14g) is less than the aperture of three cylindrical hole (14h), magnetism resistent ring (5) is an annulus, the external diameter of magnetism resistent ring (5) is equal with the external diameter of second cylindrical section (14b) of front guide pin bushing (14), the inner hole sleeve of magnetism resistent ring (5) is in the outside of first cylindrical section (14a) of front guide pin bushing (14) and keep Spielpassung, and the right side of magnetism resistent ring (5) and the left side of front guide pin bushing (14) second cylindrical section (14b) are welded as entirety, rear guide pin bushing (13) is an annulus, the external diameter of rear guide pin bushing (13) is equal with the external diameter of magnetism resistent ring (5), the endoporus of rear guide pin bushing (13) is equal with the endoporus aperture of magnetism resistent ring (5), and the left side of magnetism resistent ring (5) and the right side of rear guide pin bushing (13) are welded as entirety, the inner cylindrical surface of rear guide pin bushing (13) and the inner cylindrical surface of magnetism resistent ring (5) coplanar, the cone shape hole section (14e) of the endoporus of rear guide pin bushing (13), the endoporus of magnetism resistent ring (5) and front guide pin bushing (14) forms the iron core chamber of magnetic circuit assembly, the external cylindrical surface of the external cylindrical surface of rear guide pin bushing (13), the external cylindrical surface of magnetism resistent ring (5) and front guide pin bushing (14) second cylindrical section (14b) is coplanar, form a toroidal cavity between the inner cylindrical surface of above-mentioned external cylindrical surface and shell (2), coil block (3) is arranged in above-mentioned toroidal cavity, copper blocking (20) and iron core (18) are installed in the iron core chamber of magnetic circuit assembly, copper blocking (20) has Step Shaft profile, the outer surface of copper blocking (20) is divided into two sections, from left to right the first cylindrical section and the second cylindrical section respectively, second cylindrical section of copper blocking (20) there is plug for seal groove, plug for seal circle (19) is arranged in plug for seal groove, the left end of copper blocking (20) is positioned at the center hole of shell (2) left end internal surface and keeps Spielpassung, the second cylindrical section that the left end of rear guide pin bushing (13) is enclosed within copper blocking (20) keeps Spielpassung, iron core (18) is a cylindrical body, the right-hand member of iron core (18) has a round platform section, the conical surface of this round platform section is parallel with the inner conical surface of front guide pin bushing (14) cone shape hole section (14e), the right side of iron core (18) has a central blind hole, and iron core (18) is positioned at the iron core chamber of magnetic circuit assembly and keeps Spielpassung, push rod component is by spring (15), steel ball (16) and push rod (17) composition, push rod (17) is a Step Shaft, the outer surface of push rod (17) is from left to right divided into three sections, linkage section respectively, guide section and spring seat section, the left end of push rod (17) linkage section inserts in the central blind hole of iron core (18) through the cone shape hole section (14e) of front guide pin bushing (14) and the first cylindrical hole (14f) afterwards, the guide section of push rod (17) is positioned at second cylindrical hole (14g) of front guide pin bushing (14) and keeps Spielpassung, spring (15) is enclosed within outside the spring seat section of push rod (17), the left end of spring (15) withstands the right side of push rod (17) guide section, the right-hand member of spring (15) withstands the step end face of end cap (8) center hole, the right side of push rod (17) has a steel ball mounting hole, steel ball (16) to be contained in above-mentioned steel ball mounting hole and to carry out rolling beading, steel ball (16) and steel ball mounting hole keep Spielpassung, the axis coaxle of the axis of push rod (17) and the right sector hole of end cap (8) center hole, when coil block (3) power-off, under the effect of spring (15) spring force, push rod component and iron core (18) are positioned at limit on the left position, steel ball (16) leaves the left port of the right sector hole of end cap (8) center hole, and side is entered the end and gone out open type switch electromagnetic valve and be in open mode, when coil block (3) is energized, under the effect of electromagnetic force, push rod component and iron core (18) are positioned at limit on the right-right-hand limit position, the left port of the right sector hole of end cap (8) center hole pushed down by steel ball (16), and side is entered the end and gone out open type switch electromagnetic valve and be in closed condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410738215.3A CN104455656B (en) | 2014-12-05 | 2014-12-05 | A kind of side is entered the end and is gone out open type switch electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410738215.3A CN104455656B (en) | 2014-12-05 | 2014-12-05 | A kind of side is entered the end and is gone out open type switch electromagnetic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104455656A true CN104455656A (en) | 2015-03-25 |
| CN104455656B CN104455656B (en) | 2016-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410738215.3A Active CN104455656B (en) | 2014-12-05 | 2014-12-05 | A kind of side is entered the end and is gone out open type switch electromagnetic valve |
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| CN (1) | CN104455656B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688200A (en) * | 2022-03-07 | 2022-07-01 | 浙江森森汽车零部件有限公司 | Normally open built-in electric control shock absorber electromagnetic valve with novel iron core guide sleeve and magnetic isolation ring |
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|---|---|---|---|---|
| JP2007002930A (en) * | 2005-06-24 | 2007-01-11 | Rinnai Corp | Solenoid valve |
| CN102537475A (en) * | 2010-12-10 | 2012-07-04 | 贵州红林机械有限公司 | Improved normally open type proportion pressure electromagnetic valve |
| CN102563092A (en) * | 2011-12-17 | 2012-07-11 | 西安航空动力控制有限责任公司 | High pressure normally-closed switch electromagnetic valve |
| US20120199775A1 (en) * | 2009-10-21 | 2012-08-09 | Jtekt Corporation | Electromagnetic Valve |
| CN103062477A (en) * | 2012-12-06 | 2013-04-24 | 西安航空动力控制科技有限公司 | High-pressure and dual-redundancy switch solenoid valve |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007002930A (en) * | 2005-06-24 | 2007-01-11 | Rinnai Corp | Solenoid valve |
| US20120199775A1 (en) * | 2009-10-21 | 2012-08-09 | Jtekt Corporation | Electromagnetic Valve |
| CN102537475A (en) * | 2010-12-10 | 2012-07-04 | 贵州红林机械有限公司 | Improved normally open type proportion pressure electromagnetic valve |
| CN102563092A (en) * | 2011-12-17 | 2012-07-11 | 西安航空动力控制有限责任公司 | High pressure normally-closed switch electromagnetic valve |
| CN103062477A (en) * | 2012-12-06 | 2013-04-24 | 西安航空动力控制科技有限公司 | High-pressure and dual-redundancy switch solenoid valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688200A (en) * | 2022-03-07 | 2022-07-01 | 浙江森森汽车零部件有限公司 | Normally open built-in electric control shock absorber electromagnetic valve with novel iron core guide sleeve and magnetic isolation ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104455656B (en) | 2016-09-14 |
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