CN104455656B - A kind of side is entered the end and is gone out open type switch electromagnetic valve - Google Patents
A kind of side is entered the end and is gone out open type switch electromagnetic valve Download PDFInfo
- Publication number
- CN104455656B CN104455656B CN201410738215.3A CN201410738215A CN104455656B CN 104455656 B CN104455656 B CN 104455656B CN 201410738215 A CN201410738215 A CN 201410738215A CN 104455656 B CN104455656 B CN 104455656B
- Authority
- CN
- China
- Prior art keywords
- hole
- section
- guide pin
- pin bushing
- cylindrical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention belongs to electromagnetic valve designing technique, relate to offside and enter the end and go out the improvement of switch electromagnetic valve.It includes coil lead (1), shell (2), coil block (3), magnetic circuit assembly, end cap seal circle (7) and end cap (8)；It is characterized in that: magnetic circuit assembly is connected formed by front guide pin bushing (14), magnetism-isolating loop (5), rear guide pin bushing (13).The present invention proposes a kind of side and enters the end and go out normal open switch electromagnetic valve, meets the needs of the normally opened use occasion of power-off.
Description
Technical field
The invention belongs to electromagnetic valve designing technique, relate to offside and enter the end and go out the improvement of switch electromagnetic valve.
Background technology
Existing a kind of side enter the end go out the structure of normally closed switch electromagnetic valve see Fig. 1,2, it is by coil lead
1, shell 2, coil block 3, magnetic circuit assembly, end cap seal circle 7, end cap 8, core assembly composition.
Shell 2 is the cylinder that a left end is closed, right-hand member opens wide, in leaded hole, the left side of shell 2,
The right output port of shell 2 has female thread, and the left end inner surface at shell 2 has a centre bore；Coil block 3
It is positioned on the inner cylinder face of shell 2；End cap 8 has the profile of Step Shaft, and left section of end cap 8 is cylindrical
External diameter is more than right section of cylindrical external diameter, has external screw thread on 8 left sections of cylinders of end cap, and this external screw thread is twisted
Entering in the female thread of shell 2, the centre bore of end cap 8 is the left sector hole footpath stepped hole more than right sector hole footpath,
The inner cylinder face of the left sector hole of end cap 8 centre bore has an end cap seal groove, 7, end cap seal circle
In above-mentioned end cap seal groove, the right sector hole of end cap 8 centre bore is that side is entered the end and gone out open type switch electromagnetic valve
Oil outlet, have a side to enter the end inside end cap 8 and go out the fuel feed hole of open type switch electromagnetic valve, this side
The external port entering the fuel feed hole that the end goes out open type switch electromagnetic valve is positioned at right section of cylindrical outside cylinder of end cap 8
On face, the left side of inner port and end cap 8 centre bore that the end goes out the fuel feed hole of open type switch electromagnetic valve is entered in this side
Sector hole connects, and the coil lead 1 fairlead from shell 2 left side is drawn, coil lead 1 and coil
The end of a thread of assembly 3 connects；Magnetic circuit assembly is connected by rear guide pin bushing 4, magnetism-isolating loop 5 and front guide pin bushing 6 and forms, front
Guide pin bushing 6 has the profile of Step Shaft, and the outer surface of front guide pin bushing 6 is from left to right divided into 3 sections, is respectively
One cylindrical section 6a, the second cylindrical section 6b and the 3rd cylindrical section 6c, the largest outside diameter of the second cylindrical section 6b,
Front guide pin bushing 6 has a centre bore；Rear guide pin bushing 4 has the profile of Step Shaft, and the outer surface of rear guide pin bushing 4 is from a left side
It is 3 sections to parting on the right side, is cylinder construction section, cylindrical shell of column and welding section respectively, the cylinder peace of rear guide pin bushing 4
Dress section is positioned at the centre bore of shell 2 left end inner surface and keeps matched in clearance, the outside cylinder of rear guide pin bushing 4
Section external diameter is equal with the external diameter of the first cylindrical section 6a of front guide pin bushing 6, and the inside of rear guide pin bushing 4 is divided from right to left
Being 2 sections, be bellmouth section and spring base hole section respectively, wherein the right output port of spring base hole is bellmouth
Small diameter ports, the major diameter of bellmouth is equal with the welding section external diameter of rear guide pin bushing 4；Magnetism-isolating loop 5 is
One annulus, the external diameter of magnetism-isolating loop 5 is equal with the external diameter of the first cylindrical section 6a of front guide pin bushing 6, magnetism-isolating loop
The endoporus of 5 is equal with the centre bore aperture of front guide pin bushing 6, the right side of magnetism-isolating loop 5 and the left end of front guide pin bushing 6
Face is welded as entirety, and left section of magnetism-isolating loop 5 is enclosed within the welding section of rear guide pin bushing 4 and keeps matched in clearance, every
The left side of magnet ring 5 is welded as entirety with the welding section left side of rear guide pin bushing 4, the interior cylinder of magnetism-isolating loop 5
The inner cylinder face of the centre bore of face and front guide pin bushing 6 is coplanar, in the centre bore of front guide pin bushing 6, magnetism-isolating loop 5
The bellmouth section of central hole and rear guide pin bushing 4 constitutes the iron core chamber of magnetic circuit assembly, the cylindrical shell of column of rear guide pin bushing 4
The external cylindrical surface of the first cylindrical section 6a of external cylindrical surface, the external cylindrical surface of magnetism-isolating loop 5 and front guide pin bushing 6 is coplanar,
Forming a toroidal cavity between the inner cylinder face of above-mentioned external cylindrical surface and shell 2, coil block 3 is positioned at
In above-mentioned toroidal cavity；Core assembly is made up of iron core 11, spring 12, push rod 10 and steel ball 9, ferrum
Core 11 is a cylinder, and there is a round platform section left side of iron core 11, the taper seat of this round platform section with
The inner conical surface of the bellmouth section of rear guide pin bushing 4 is parallel, and there is a central blind hole left side of iron core 11, in this
Heart 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,
Iron core 11 is positioned at the iron core intracavity of magnetic circuit assembly and keeps matched in clearance；Spring 12 is positioned at rear guide pin bushing 4
Inside the central blind hole of spring base hole and iron core 11 left end, the left end of spring 12 withstands rear guide pin bushing 4 spring
The left side of bore section, the right-hand member of spring 12 withstands the right side of iron core 11 left end central blind hole；Push rod
10 is a Step Shaft, and the outer surface of push rod 10 is from left to right divided into two sections, is linkage section, steel ball respectively
Seat section, the central blind hole of linkage section insertion iron core 11 right-hand member of push rod 10 is interior and keeps tightness to coordinate,
Having a steel ball installing hole on the right side of push rod 10, steel ball 9 is contained in above-mentioned steel ball installing hole and carries out
Rolling beading, steel ball 9 and steel ball installing hole keep matched in clearance, the axis of push rod 10 and end cap 8 center
The axis coaxle of the right sector hole in hole.
Its operation principle is: when coil block 3 power-off, overcome oil under the effect of spring 12 spring force
Pressure core assembly moves right, until the left port of the end cap 8 right sector hole of centre bore pushed down by steel ball 9,
Now oil-in and oil-out are closed, and side is entered the end and gone out normally closed switch electromagnetic valve and be closed；Work as coil
When assembly 3 is energized, core assembly overcome under the effect of electromagnetic force and oil pressure the spring force of spring 12 to
Moving left, until the limit on the left position of core assembly, now steel ball 9 leaves the end cap 8 right sector hole of centre bore
Left port, oil-in communicates with oil-out, and side is entered the end and gone out closed type switch electromagnetic valve and be in open mode.
Its shortcoming is: this side is entered the end and gone out normally closed switch electromagnetic valve and be in normally off when power is off, at needs
The normally opened occasion of power-off cannot use.Do not retrieve at present side to enter the end and go out the open literary composition of normal open switch electromagnetic valve
Offer.
Summary of the invention
It is an object of the invention to: propose a kind of side and enter the end and go out normal open switch electromagnetic valve, in order to meet power-off normal
Open the needs of use occasion.
The technical scheme is that a kind of side is entered the end and gone out open type switch electromagnetic valve, including coil lead 1,
Shell 2, coil block 3, magnetic circuit assembly, end cap seal circle 7 and end cap 8；Shell 2 is a left end
The cylinder that closing, right-hand member open wide, in leaded hole, the left side of shell 2, the right output port at shell 2 has
Female thread, the left end inner surface at shell 2 has a centre bore；Coil block 3 is positioned at shell 2
On the face of cylinder；End cap 8 has the profile of Step Shaft, and left section of cylindrical external diameter of end cap 8 is more than right section of circle
The external diameter of cylinder, has external screw thread on 8 left sections of cylinders of end cap, and this external screw thread is screwed into the interior spiral shell of shell 2
In stricture of vagina, the centre bore of end cap 8 is the left sector hole footpath stepped hole more than right sector hole footpath, at end cap 8 centre bore
Left sector hole inner cylinder face on have an end cap seal groove, end cap seal circle 7 is positioned at above-mentioned end cap seal
In groove, the right sector hole of end cap 8 centre bore is that side is entered the end and gone out the oil outlet of open type switch electromagnetic valve, at end
Lid 8 is internal to be had a side to enter the end to go out the fuel feed hole of open type switch electromagnetic valve, and this side is entered the end and gone out open type and open
The external port of the fuel feed hole closing electromagnetic valve is positioned on right section of cylindrical external cylindrical surface of end cap 8, and the end is entered in this side
The inner port of fuel feed hole going out open type switch electromagnetic valve connects with the left sector hole of end cap 8 centre bore, coil
The lead-in wire 1 fairlead from shell 2 left side is drawn, and coil lead 1 connects with the end of a thread of coil block 3
Connect；It is characterized in that: magnetic circuit assembly is connected formed by front guide pin bushing 14, magnetism-isolating loop 5, rear guide pin bushing 13, front
Guide pin bushing 14 has the profile of Step Shaft, and the outer surface of front guide pin bushing 14 is from left to right divided into 4 sections, is respectively
First cylindrical section 14a, the second cylindrical section 14b, the 3rd cylindrical section 14c and the 4th cylindrical section 14d, first
The external diameter of cylindrical section 14a is minimum, and the largest outside diameter of the 3rd cylindrical section 14c, an endoporus left side for front guide pin bushing 14 is arrived
Parting on the right side is 4 sections, be respectively bellmouth section 14e, the first cylindrical hole 14f, the second cylindrical hole 14g, the 3rd
The left port of cylindrical hole 14h, the first cylindrical hole 14f is the small diameter ports of bellmouth section 14e, and first
The aperture less than the 3rd cylindrical hole 14h, the aperture less than the second cylindrical hole 14g, the aperture of cylindrical hole 14f；
Magnetism-isolating loop 5 is an annulus, the external diameter of the second cylindrical section 14b of the external diameter of magnetism-isolating loop 5 and front guide pin bushing 14
Equal, the inner hole sleeve of magnetism-isolating loop 5 is in the outside of the first cylindrical section 14a of front guide pin bushing 14 and keeps gap to join
Closing, the right side of magnetism-isolating loop 5 is welded as entirety with the left side of front guide pin bushing 14 second cylindrical section 14b；After
Guide pin bushing 13 is an annulus, and the external diameter of rear guide pin bushing 13 is equal with the external diameter of magnetism-isolating loop 5, rear guide pin bushing 13
Endoporus is equal with the endoporus aperture of magnetism-isolating loop 5, the right side weldering of the left side of magnetism-isolating loop 5 and rear guide pin bushing 13
Connect as entirety；The inner cylinder face of rear guide pin bushing 13 is coplanar with the inner cylinder face of magnetism-isolating loop 5, rear guide pin bushing 13
Bellmouth section 14e of endoporus, the endoporus of magnetism-isolating loop 5 and front guide pin bushing 14 constitutes the iron core chamber of magnetic circuit assembly,
The external cylindrical surface of rear guide pin bushing 13, the external cylindrical surface of magnetism-isolating loop 5 and front guide pin bushing 14 second cylindrical section 14b's
External cylindrical surface is coplanar, forms a toroidal cavity between the inner cylinder face of above-mentioned external cylindrical surface and shell 2,
Coil block 3 is positioned in above-mentioned toroidal cavity；Copper blocking 20 He is installed in the iron core chamber of magnetic circuit assembly
Iron core 18, copper blocking 20 has Step Shaft profile, and the outer surface of copper blocking 20 is divided into two sections, from
Left-to-right is the first cylindrical section and the second cylindrical section respectively, and the second cylindrical section of copper blocking 20 has blocking
Seal groove, plug for seal circle 19 is arranged in plug for seal groove, and the left end of copper blocking 20 is positioned at shell 2
The centre bore of left end inner surface is interior and keeps matched in clearance, the left end of rear guide pin bushing 13 to be enclosed within copper blocking 20
The second cylindrical section on and keep matched in clearance；Iron core 18 is a cylinder, and the right-hand member of iron core 18 has
One round platform section, the taper seat of this round platform section is parallel with the inner conical surface of front guide pin bushing 14 bellmouth section 14e,
Having a central blind hole on the right side of iron core 18, iron core 18 is positioned at the iron core intracavity of magnetic circuit assembly and protects
Hold matched in clearance；Push rod component is made up of spring 15, steel ball 16 and push rod 17, and push rod 17 is a platform
Rank axle, the outer surface of push rod 17 is from left to right divided into three sections, is linkage section, guide section and spring base respectively
Section, the left end of push rod 17 linkage section passes bellmouth section 14e and the first cylindrical hole 14f of front guide pin bushing 14
In the central blind hole of rear insertion iron core 18, the guide section of push rod 17 is positioned at the second cylindrical hole of front guide pin bushing 14
14g is interior and keeps matched in clearance, spring 15 to be enclosed within outside the spring base section of push rod 17, a left side for spring 15
End withstands the right side of push rod 17 guide section, and the right-hand member of spring 15 withstands the step end of end cap 8 centre bore
Face, has a steel ball installing hole on the right side of push rod 17, and steel ball 16 is contained in above-mentioned steel ball installing hole
In and carry out rolling beading, steel ball 16 and steel ball installing hole keep matched in clearance, the axis of push rod 17 with
The axis coaxle of the right sector hole of end cap 8 centre bore；When coil block 3 power-off, at spring 15 spring force
Effect under, push rod component and iron core 18 are positioned at limit on the left position, and steel ball 16 leaves end cap 8 centre bore
The left port of right sector hole, side is entered the end and is gone out open type switch electromagnetic valve and be in open mode；When coil block 3
During energising, under the effect of electromagnetic force, push rod component and iron core 18 are positioned at limit on the right-right-hand limit position, steel ball 16
Pushing down the left port of the end cap 8 right sector hole of centre bore, side is entered the end and is gone out open type switch electromagnetic valve and be in closedown shape
State.
The invention have the advantage that proposing a kind of side enters the end and go out normal open switch electromagnetic valve, meets power-off normal
Open the needs of use occasion.
Accompanying drawing explanation
Fig. 1 is that existing a kind of side is entered the end and gone out the structural representation of normally closed switch electromagnetic valve.
Fig. 2 be existing a kind of side enter the end go out in normally closed switch electromagnetic valve before the structural representation of guide pin bushing.
Fig. 3 is the structural representation of the present invention.
Fig. 4 is the structural representation of front guide pin bushing in the present invention.
Detailed description of the invention
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 and open
Close electromagnetic valve, including coil lead 1, shell 2, coil block 3, magnetic circuit assembly, end cap seal circle 7
With end cap 8；Shell 2 is the cylinder that a left end is closed, right-hand member opens wide, and has in the left side of shell 2 and draws
String holes, the right output port at shell 2 has female thread, and the left end inner surface at shell 2 has a centre bore；
Coil block 3 is positioned on the inner cylinder face of shell 2；End cap 8 has the profile of Step Shaft, and end cap 8 is left
The cylindrical external diameter of section, more than right section of cylindrical external diameter, has external screw thread on 8 left sections of cylinders of end cap,
This external screw thread is screwed in the female thread of shell 2, and the centre bore of end cap 8 is that left sector hole footpath is more than right sector hole footpath
Stepped hole, the inner cylinder face of the left sector hole of end cap 8 centre bore has an end cap seal groove, end cap
Sealing ring 7 is positioned at above-mentioned end cap seal groove, and the right sector hole of end cap 8 centre bore is that side is entered the end and gone out open type
The oil outlet of switch electromagnetic valve, has a side to enter the end inside end cap 8 and goes out entering of open type switch electromagnetic valve
Oilhole, this side is entered the external port of the fuel feed hole that the end goes out open type switch electromagnetic valve and is positioned at 8 right sections of cylinders of end cap
On the external cylindrical surface of body, inner port and the end cap 8 that the end goes out the fuel feed hole of open type switch electromagnetic valve is entered in this side
The left sector hole connection of centre bore, the coil lead 1 fairlead extraction from shell 2 left side, coil draws
Line 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-isolating loop
5, rear guide pin bushing 13 connect composition, front guide pin bushing 14 is a cylinder, the outer surface of front guide pin bushing 14 from a left side to
Parting on the right side is 4 sections, is the first cylindrical section 14a, the second cylindrical section 14b, the 3rd cylindrical section 14c and respectively
The external diameter of four cylindrical section 14d, the first cylindrical section 14a is minimum, and the largest outside diameter of the 3rd cylindrical section 14c is front
The endoporus of guide pin bushing 14 is left-to-right is divided into 4 sections, be respectively bellmouth section 14e, the first cylindrical hole 14f,
Two cylindrical hole 14g, the 3rd cylindrical hole 14h, the left port of the first cylindrical hole 14f is bellmouth section 14e
Small diameter ports, the aperture less than the second cylindrical hole 14g, the aperture of the first cylindrical hole 14f is less than the 3rd
The aperture of cylindrical hole 14h；Magnetism-isolating loop 5 is an annulus, the of the external diameter of magnetism-isolating loop 5 and front guide pin bushing 14
The external diameter of two cylindrical section 14b is equal, and the inner hole sleeve of magnetism-isolating loop 5 is at the first cylindrical section 14a of front guide pin bushing 14
Outside and keep matched in clearance, a left side of the right side of magnetism-isolating loop 5 and front guide pin bushing 14 second cylindrical section 14b
End face is welded as entirety；Rear guide pin bushing 13 is an annulus, outside the external diameter of rear guide pin bushing 13 is with magnetism-isolating loop 5
Footpath is equal, and the endoporus of rear guide pin bushing 13 is equal with the endoporus aperture of magnetism-isolating loop 5, the left side of magnetism-isolating loop 5 with
The right side of rear guide pin bushing 13 is welded as entirety；The inner cylinder face of rear guide pin bushing 13 and the interior cylinder of magnetism-isolating loop 5
Face is coplanar, the bellmouth section 14e structure of the endoporus of rear guide pin bushing 13, the endoporus of magnetism-isolating loop 5 and front guide pin bushing 14
Become the iron core chamber of magnetic circuit assembly, the external cylindrical surface of rear guide pin bushing 13, external cylindrical surface and the front guide pin bushing of magnetism-isolating loop 5
The external cylindrical surface of 14 second cylindrical section 14b is coplanar, between the inner cylinder face of above-mentioned external cylindrical surface and shell 2
Forming a toroidal cavity, coil block 3 is positioned in above-mentioned toroidal cavity；Iron core chamber at magnetic circuit assembly
Being installed with copper blocking 20 and iron core 18, copper blocking 20 has Step Shaft profile, copper blocking 20
Outer surface is divided into two sections, is the first cylindrical section and the second cylindrical section the most respectively, copper blocking 20
Plug for seal groove, plug for seal circle 19 is had to be arranged in plug for seal groove on second cylindrical section, copper blocking
The left end of 20 is positioned at the centre bore of shell 2 left end inner surface and keeps matched in clearance, a left side for rear guide pin bushing 13
End is enclosed within the second cylindrical section of copper blocking 20 and keeps matched in clearance；Iron core 18 is a cylinder,
The right-hand member of iron core 18 has a round platform section, the taper seat of this round platform section and front guide pin bushing 14 bellmouth section 14e
Inner conical surface parallel, the right side of iron core 18 has a central blind hole, iron core 18 is positioned at magnetic circuit group
The iron core intracavity of part also keeps matched in clearance；Push rod component is made up of spring 15, steel ball 16 and push rod 17,
Push rod 17 is a Step Shaft, and the outer surface of push rod 17 is from left to right divided into three sections, be respectively linkage section,
Guide section and spring base section, the left end of push rod 17 linkage section through front guide pin bushing 14 bellmouth section 14e and
Inserting after first cylindrical hole 14f in the central blind hole of iron core 18, the guide section of push rod 17 is positioned at front guide pin bushing
The second cylindrical hole 14g of 14 is interior and keeps matched in clearance, spring 15 to be enclosed within outside the spring base section of push rod 17
Face, the left end of spring 15 withstands the right side of push rod 17 guide section, and the right-hand member of spring 15 withstands end cap 8
The step end face of centre bore, has a steel ball installing hole on the right side of push rod 17, and steel ball 16 is contained in
Above-mentioned steel ball installing hole is interior and carries out rolling beading, and steel ball 16 and steel ball installing hole keep matched in clearance, top
The axis coaxle of the right sector hole of the axis of bar 17 and end cap 8 centre bore；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 centre bore, side is entered the end and is 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
Putting, the left port of the end cap 8 right sector hole of centre bore pushed down by steel ball 16, and side is entered the end and gone out open type switch electromagnetic valve
It is closed.
The operation principle of the present invention is: iron core 18 has an impulse stroke, push rod 17 left end at iron core intracavity
Withstand at the bottom of the hole of iron core 18 right-hand member central blind hole, when coil block 3 no power, the spring of spring 15
Power overcomes oil pressure to be pushed away to the left by push rod 17, and push rod 17 is moved to the left and is pushed away to the left by iron core 18, until ferrum
Till the left side of core 18 is resisted against the right side of copper blocking 20, now steel ball 16 and end cap 8 center
The left port of the right sector hole in hole has a space, and oil-in communicates with oil-out；When coil block 3 is energized,
Shell 8, magnetic circuit assembly and iron core constitute magnetic circuit, and iron core 18 overcomes spring force to the right under electromagnetic force
Mobile, push rod 17 is pushed to right side by iron core 18, until the end cap 8 right sector hole of centre bore pushed down by steel ball 16
Left port, now oil-in is closed with oil-out, and push rod 17 is by oil pressure to the right.
Claims (1)
1. side is entered the end and is gone out an open type switch electromagnetic valve, including coil lead (1), shell (2), coil
Assembly (3), magnetic circuit assembly, end cap seal circle (7) and end cap (8)；Shell (2) be left end close,
The cylinder that right-hand member opens wide, in the leaded hole, left side of shell (2), the right output port at shell (2) has interior spiral shell
Stricture of vagina, the left end inner surface at shell (2) has a centre bore；Coil block (3) is positioned at the inner circle of shell (2)
On cylinder；End cap (8) has the profile of Step Shaft, and left section of cylindrical external diameter of end cap (8) is more than right section of circle
The external diameter of cylinder, has external screw thread on left section of cylinder of end cap (8), and this external screw thread is screwed into the interior of shell (2)
In screw thread, the centre bore of end cap (8) is the left sector hole footpath stepped hole more than right sector hole footpath, in end cap (8)
An end cap seal groove, end cap seal circle (7) is had to be positioned at above-mentioned end cap on the inner cylinder face of the left sector hole of central hole
In seal groove, the right sector hole of end cap (8) centre bore is that side is entered the end and gone out the oil outlet of open type switch electromagnetic valve,
Having a side to enter the end to go out the fuel feed hole of open type switch electromagnetic valve end cap (8) is internal, this side is entered the end and is gone out normally opened
The external port of the fuel feed hole of type switch electromagnetic valve is positioned on right section of cylindrical external cylindrical surface of end cap (8), this side
Entering the end goes out the inner port of fuel feed hole of open type switch electromagnetic valve and connects with the left sector hole of end cap (8) centre bore,
The coil lead (1) fairlead from shell (2) left side is drawn, coil lead (1) and coil block (3)
The end of a thread connect；It is characterized in that: magnetic circuit assembly is by front guide pin bushing (14), magnetism-isolating loop (5), rear guide pin bushing (13)
Connecting composition, front guide pin bushing (14) has the profile of Step Shaft, and the outer surface of front guide pin bushing (14) from left to right divides
It is 4 sections, is the first cylindrical section (14a), the second cylindrical section (14b), the 3rd cylindrical section (14c) and respectively
Four cylindrical sections (14d), the external diameter of the first cylindrical section (14a) is minimum, the largest outside diameter of the 3rd cylindrical section (14c),
The endoporus of front guide pin bushing (14) is left-to-right is divided into 4 sections, be respectively bellmouth section (14e), the first cylindrical hole (14f),
Second cylindrical hole (14g), the 3rd cylindrical hole (14h), the left port of the first cylindrical hole (14f) is bellmouth
The small diameter ports of section (14e), the aperture of the first cylindrical hole (14f) is less than the hole of the second cylindrical hole (14g)
Footpath, the aperture of the second cylindrical hole (14g) is less than the aperture of the 3rd cylindrical hole (14h)；Magnetism-isolating loop (5) is one
Annulus, the external diameter of magnetism-isolating loop (5) is equal, every magnetic with the external diameter of second cylindrical section (14b) of front guide pin bushing (14)
The inner hole sleeve of ring (5) is in the outside of first cylindrical section (14a) of front guide pin bushing (14) and keeps matched in clearance, every
The right side of magnet ring (5) is welded as entirety with the left side of front guide pin bushing (14) second cylindrical section (14b)；After lead
Set (13) is an annulus, and the external diameter of rear guide pin bushing (13) is equal with the external diameter of magnetism-isolating loop (5), rear guide pin bushing (13)
Endoporus aperture equal with the endoporus aperture of magnetism-isolating loop (5), the left side of magnetism-isolating loop (5) and rear guide pin bushing (13)
Right side be welded as entirety；The inner cylinder face of rear guide pin bushing (13) is coplanar with the inner cylinder face of magnetism-isolating loop (5),
The bellmouth section (14e) of the endoporus of rear guide pin bushing (13), the endoporus of magnetism-isolating loop (5) and front guide pin bushing (14) constitutes magnetic
The iron core chamber of road assembly, the external cylindrical surface of rear guide pin bushing (13), external cylindrical surface and the front guide pin bushing (14) of magnetism-isolating loop (5)
The external cylindrical surface of the second cylindrical section (14b) is coplanar, between the inner cylinder face of above-mentioned external cylindrical surface and shell (2)
Forming a toroidal cavity, coil block (3) is positioned in above-mentioned toroidal cavity；Iron core chamber at magnetic circuit assembly
Being installed with copper blocking (20) and iron core (18), copper blocking (20) has Step Shaft profile, copper blocking
(20) outer surface is divided into two sections, is the first cylindrical section and the second cylindrical section the most respectively, copper stifled
Plug for seal groove, plug for seal circle (19) is had to be arranged in plug for seal groove on second cylindrical section of plug (20),
The left end of copper blocking (20) is positioned at the centre bore of shell (2) left end inner surface and keeps matched in clearance, after
The left end of guide pin bushing (13) is enclosed within the second cylindrical section of copper blocking (20) and keeps matched in clearance；Iron core (18)
Being a cylinder, the right-hand member of iron core (18) has a round platform section, the taper seat of this round platform section and front guide pin bushing
(14) inner conical surface of bellmouth section (14e) is parallel, has a central blind hole on the right side of iron core (18),
Iron core (18) is positioned at the iron core intracavity of magnetic circuit assembly and keeps matched in clearance；Push rod component by spring (15),
Steel ball (16) and push rod (17) composition, push rod (17) is a Step Shaft, and the outer surface of push rod (17) is from a left side
It is three sections to parting on the right side, is linkage section, guide section and spring base section respectively, the left end of push rod (17) linkage section
The center of iron core (18) is inserted afterwards through first cylindrical hole (14f) of front guide pin bushing (14) and bellmouth section (14e)
In blind hole, the guide section of push rod (17) is positioned at second cylindrical hole (14g) of front guide pin bushing (14) and keeps gap
Coordinating, spring (15) is enclosed within outside the spring base section of push rod (17), and the left end of spring (15) withstands push rod (17)
The right side of guide section, the right-hand member of spring (15) withstands the step end face of end cap (8) centre bore, in push rod (17)
Right side on have a steel ball installing hole, steel ball (16) are contained in above-mentioned steel ball installing hole and roll
Closing up, steel ball (16) and steel ball installing hole keep matched in clearance, the axis of push rod (17) and end cap (8) center
The axis coaxle of the right sector hole in 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 right sector hole of end cap (8) centre bore
Left port, side is entered the end and is 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 end pushed down by steel ball (16)
The left port of the lid right sector hole of (8) centre bore, side is entered the end and is gone out open type switch electromagnetic valve and be closed.
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 CN104455656A (en) | 2015-03-25 |
| CN104455656B true CN104455656B (en) | 2016-09-14 |
Family
ID=52902173
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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104455656B (en) |
Families Citing this family (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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4565450B2 (en) * | 2005-06-24 | 2010-10-20 | リンナイ株式会社 | solenoid valve |
| JP5421059B2 (en) * | 2009-10-21 | 2014-02-19 | 豊興工業株式会社 | solenoid valve |
-
2014
- 2014-12-05 CN CN201410738215.3A patent/CN104455656B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104455656A (en) | 2015-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103410981B (en) | Parallel valve core type high-pressure electromagnetic valve | |
| CN201302000Y (en) | Normally-open high-frequency electromagnetic switching valve for automatic gear-box | |
| CN104455656B (en) | A kind of side is entered the end and is gone out open type switch electromagnetic valve | |
| CN107631064B (en) | It can be used for the ratio one-way flow valves of low-load | |
| CN104265977A (en) | Shifting electromagnetic valve for forklift | |
| CN106402072B (en) | Electromagnetic pressure-decreasing throttle valve | |
| CN106439170A (en) | Electromagnet for variable valve timing system of automobile engine | |
| CN210423198U (en) | Bidirectional hydraulic lock | |
| CN105605026B (en) | A kind of hydraulic piston component in quick time | |
| CN203477329U (en) | High-pressure solenoid valve of parallel valve core type | |
| CN207621100U (en) | A kind of hydraulic lock | |
| CN206017953U (en) | A kind of electromagnetic actuation structure for pressure-regulating valve | |
| CN104373659A (en) | Electromagnet structure for pole shoe and guide sleeve integrated valve | |
| CN205859268U (en) | The explosion-proof automatic reducing transformer of running water pipe | |
| CN104879513A (en) | Direct-acting type axial flow electromagnetic valve | |
| CN205823257U (en) | A kind of separate stratum fracfturing continuous pitching detection device | |
| CN105332964B (en) | A kind of electro-hydraulic reversing valve under water | |
| CN204877754U (en) | A control valve and fuel injector for fuel injector | |
| CN210106721U (en) | Electric proportional cartridge valve magnetic tube | |
| CN203477367U (en) | Magnetic valve and piston thereof | |
| CN208381400U (en) | Horizontal type cold-chamber die casting pressurization control check valve | |
| CN206439473U (en) | The gas spray valve put in magnetic valve | |
| CN204805613U (en) | Solenoid valve convenient to maintenance | |
| CN203114765U (en) | Proportional pressure reducing valve | |
| KR101626300B1 (en) | Injector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |