CN203477554U - Mini-type electromagnetic valve - Google Patents
Mini-type electromagnetic valve Download PDFInfo
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- CN203477554U CN203477554U CN201320556684.4U CN201320556684U CN203477554U CN 203477554 U CN203477554 U CN 203477554U CN 201320556684 U CN201320556684 U CN 201320556684U CN 203477554 U CN203477554 U CN 203477554U
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- iron core
- skeleton
- electromagnetic valve
- seal ring
- valve body
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Abstract
The utility model relates to an electromagnetic valve, in particular to a mini-type electromagnetic valve. The mini-type electromagnetic valve can overcome the shortages that a product of the same type is poor in stability and low in percent of pass. The mini-type electromagnetic valve comprises a coil block and a valve body assembly and is characterized in that a frame is arranged in the coil block, the frame is composed of an upper support and a lower support in an inserted matched mode, a skeleton is arranged in the frame, the two ends of the skeleton abut against the frame, the lower surface of the skeleton is provided with a positioning boss, the positioning boss is connected with a groove in the skeleton in an embedded mode, an inner hole step is arranged on the inner surface of the skeleton, a statistic iron core is arranged on the upper surface of the inner hole step, a movable iron core spring is arranged on the lower surface of the inner hole step, a movable iron core is arranged in the movable iron core spring, an extruding step matched with the inner hole step in width is arranged on the movable iron core, the extruding step abuts against the lower end of the movable iron core spring, a first sealing pad is arranged below the movable iron core, and the sealing pad abuts against an air inlet. The mini-type electromagnetic valve has the advantages of being compact in structure, high in stability, easy and convenient to machine and high in percent of pass of products.
Description
Technical field
The utility model relates to a kind of solenoid valve, is specifically related to a kind of miniature electromagnetic valve.
Background technique
Solenoid valve is the industry equipment by Electromagnetic Control, is for controlling the automation foundation element of fluid, belonging to control unit, for controlling final controlling element, is not limited to hydraulic pressure, pneumatic.Be used in direction, flow, speed and other the parameter of in industrial control system, adjusting medium.Its working principle is by controlling the current switching of electromagnet, to control the mechanical motion of spool, thereby the closed vent different with startup reaches and control the object that fluid enters some parameter of mechanical component.Solenoid valve internal structure is complicated, various part easily causes stroke dimension tolerance in assembly process, and because the stroke dimension of miniature electromagnetic valve itself is less than general solenoid valve, therefore the public extent of stroke dimension is very large to the performance impact of miniature electromagnetic valve, directly affects the height of an assembly qualified rate of product.Visible, reduce the stroke dimension tolerance of miniature electromagnetic valve, the conforming product rate that improves miniature electromagnetic valve will become the long-term research direction in this field.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of that reduce stroke dimension and internal structure is compact, stability is high, process easy miniature electromagnetic valve.
The miniature electromagnetic valve that provided technological scheme is the following structure of design is provided the utility model: comprise coil block and valve component, described coil block is connected by buckle with valve component, valve component comprises valve body, manual rod assembly and push rod component, described valve body is provided with inlet hole, exhaust port and air outlet hole, between described valve body and coil block, be provided with through hole, in described coil block, be provided with framework, framework consists of upper bracket and lower support frame, upper bracket top is provided with positioning hole, lower support frame upper surface is provided with groove, described upper bracket and lower support frame are equipped with for pegging graft, between described lower support frame lower surface and valve body, be provided with seal ring No. five, in described framework, be provided with skeleton, skeleton two ends and framework offset, between skeleton and lower support frame upper surface, be provided with seal ring No. two, described skeleton lower surface is provided with positioning boss, positioning boss is connected for rabbeting with groove, described skeleton internal surface is provided with endoporus step, endoporus step upper surface is provided with static iron core, static iron core and skeleton internal surface joint are provided with seal ring No. one, described static iron core upper surface is provided with positioning convex, positioning convex is connected for coordinating to rabbet with positioning hole, described endoporus step lower surface is fixedly connected with moving iron core spring, in moving iron core spring, be provided with moving iron core, moving iron core is provided with the extruding step matching with endoporus step width, extruding step and moving iron core spring lower end offset, described moving iron core lower surface is provided with down No., " protruding " shape sealing gasket, described moving iron core is fixedly connected with for No. one by pressure ring and sealing gasket, described sealing gasket offsets with inlet hole one end for No. one.
Further, described manual rod assembly comprises manual rod, manual rod spring, and described manual rod external diameter is provided with chute, on described chute, is slidably matched and is provided with jump ring.
Further, described push rod component is fixedly connected with valve body by bottom, on described bottom, be fixedly connected with push rod spring, described push rod spring is with respect to being fixedly connected with down No. two, " protruding " shape sealing gasket on bottom one end, No. two upper surfaces of described sealing gasket and exhaust port offset, and described sealing gasket two extra radiuses are provided with push rod.
Further, No. five, No. two, described seal ring and seal ring are equipped with for symmetry.
Further, described skeleton is work shape structure, by punch holder, in cylinder and die holder form, the two ends of described punch holder one side are provided with two boss, described projection is provided with contact pin.
Further, described jump ring is " U " shape structure.
The beneficial effects of the utility model are as follows:
1. the setting of the structure that the grafting of upper bracket and lower support frame is connected, both can make upper and lower support directly closely connect when assembling, again can inching relative position between the two, especially can axially mutually adjust, guarantee the stroke dimension in later process, improved up-to-standard rate and the stability of product;
2. static iron core one end is fixed on the endoporus step of skeleton, has guaranteed the stroke dimension of solenoid valve integral body;
3. the punch holder on skeleton has formed " recessed " structure together with boss, and scolding tin operation had both been convenient in such setting, was convenient to again assembling and positioning, guaranteed that skeleton does not produce and departs from later process;
4. the setting that the positioning convex of static iron core upper surface is pegged graft and coordinated with the positioning hole on upper bracket, the concentricity of assurance Skeleton assembly;
5. the setting of positioning boss and groove, has guaranteed the concentricity of skeleton and lower support frame;
6. moving iron core adopts external spring structure, spring one end is directly directly connected with the endoporus step on skeleton, make solenoid valve in adhesive and discharge in the process of moving iron core, guaranteeing the stability of moving iron core mechanical motion, and avoided the problem of the easy unstability of built-in spring;
7. moving iron core is closely connected by pressure ring with sealing gasket, simple in structure, is convenient to part processing, good stability of the dimension, and cost is low;
8. the structure of the spacing employing circlip type between manual rod and valve body, jump ring is " U " shape structure, and this is simple in structure, and part does not need die sinking, easy to process, and cost is low;
9. between bottom and valve body, adopt reverse buckling type to turn and join, not only simple in structure, and turn formula just.
Accompanying drawing explanation
Fig. 1 is cross-sectional structure schematic diagram of the present utility model.
Fig. 2 is coil block dismounting perspective view of the present utility model.
Fig. 3 is coil block structural representation of the present utility model.
In figure: 1, static iron core; 2, framework; 3, skeleton; 4, No. one, seal ring; 5, coil block; 6, moving iron core; 7, moving iron core spring; 8, No. two, seal ring; 9, positioning boss; 10, No. one, sealing gasket; 11, pressure ring; 12, chute; 13, push rod; 14, No. two, sealing gasket; 15, push rod spring; 16, No. three, seal ring; 17, bottom; 18, valve body; 19, No. four, seal ring; 20, manual rod spring; 21, manual rod; 22 jump rings; 23, No. five, seal ring; 24, upper bracket; 25, lower support frame; 26, die holder; 27, punch holder; 28, boss; 29, contact pin; 30, positioning convex; 31, positioning hole; 32, inlet hole; 33, exhaust port; 34, air outlet hole; 35, endoporus step; 36, extruding step; 37, groove; 38, cylinder.
Embodiment
Below with reference to accompanying drawing, the utility model is further described.
As shown in Figure 1, Figure 2 and Figure 3, a kind of miniature electromagnetic valve embodiment, comprises coil block 5 and valve component, and coil block 5 is connected by buckle with valve component.Valve component comprises push rod component, manual rod assembly and valve body 18.Valve body 18 is provided with inlet hole 32, exhaust port 33 and air outlet hole 34, and is provided with through hole between coil block 5.In coil block 5, be provided with framework 2, this framework 2 is plugged in lower support frame 25 by upper bracket 24 and forms.Upper bracket 24 tops are provided with positioning hole 31, and lower support frame 25 upper surfaces are provided with groove 37.Lower support frame 25 lower surfaces and valve body 18 offset, and both joints are provided with seal ring No. five 23.In framework 2, be provided with the skeleton 3 of " work " shape structure, by punch holder 27, cylinder 38 and die holder 26, formed, in punch holder 27 1 sides, be provided with two boss 28, present " recessed " shape together with punch holder 27, contact pin 29 is set on boss 28.This skeleton Shang Xia 3 two ends and framework 2 offset, and and lower support frame 25 between be provided with and the seal ring of No. five 23 position symmetries of seal ring No. two 8.Skeleton 3 lower surfaces are provided with positioning boss 9, and positioning boss 9 is connected for rabbeting with groove 37, and during assembling, skeleton 3 utilizes positioning boss 9 to insert grooves 37 and positions with lower support frame 25, guarantees both concentricitys, so that moving iron core runs through lower support frame 25 and skeleton 3 smoothly.At cylinder 38 internal surfaces, be provided with endoporus step 35, cylinder 38 inside are divided into upper and lower two spaces.Static iron core 1 is arranged in the upper sheaf space of cylinder 38 inside, and lower end and endoporus step 35 offset.This static iron core 1 outer radius and skeleton 3 joints are provided with seal ring No. one 4.This static iron core 1 upper surface is provided with positioning convex 30, and this positioning convex 30 runs through positioning hole 31.Endoporus step 35 lower surfaces are fixedly connected with moving iron core spring 7, are provided with moving iron core 6 in moving iron core spring 7.This moving iron core 6 is provided with extruding step 36, the extruding width of step 36 and the width of endoporus step 35 match, the space consisting of extruding step 36, endoporus step 37, moving iron core 6 and skeleton 3 is just close with the volume of moving iron core spring 7, guarantee to move iron core spring 7 and in the space of certain size, do upper and lower mechanical motion, avoid producing the problem of unstability.Extruding step 36 offsets with moving iron core spring 7 lower ends, and on moving iron core 6, part runs through moving iron core spring 7, and middle part is placed in cylinder 38, and lower part is stretched out skeleton 3.At moving iron core lower surface, by pressure ring 11, be fixedly connected with down the sealing gasket No. one 10 of " protruding " shape.Sealing gasket offsets with inlet hole 32 one end for No. one 10.Manual rod assembly comprises manual rod 21, manual rod spring 20.Manual rod 21 is provided with chute 12, on this chute 12, is slidably matched and is provided with jump ring 22.Jump ring 22 is " U " shape structure.Manual rod assembly is with valve body 18 for being fixedly connected with, and both joints are provided with seal ring No. four 19.Push rod component is fixedly connected with valve body 18 by bottom 17, between bottom 17 and valve body 18, is provided with seal ring No. three 16.Bottom 17 is provided with push rod spring 15, is fixedly connected with down " protruding " shape sealing gasket No. two 14 on the other end of this push rod spring 15 with respect to bottom 17.No. two 14 outer radius of sealing gasket are provided with push rod 13.
Its working principle is substantially identical with existing solenoid valve.While not switching on, moving iron core 6 is subject to the effect of iron core spring 7 elastic force, sealing gasket No. one 10 and push rod 13 are produced to pressure, sealing gasket is closely connected with inlet hole 32 for No. one 10, inlet hole 32 closures, simultaneously, push rod 13 is subject to the pressure of iron core 6, make push rod spring 15 to lower compression, make sealing gasket depart from exhaust port 33 No. two 15, exhaust port 32 and air outlet hole communicate 34.During energising, moving iron core 6 overcomes spring force and moves up under the effect of electromagnetic force, make sealing gasket depart from inlet hole 32 No. one 10, simultaneously, sealing gasket moves up for No. two 14 under the elastic force effect of push rod spring 15, is closely connected with exhaust port 32, makes exhaust port 32 closures, inlet hole 32 is connected with air outlet hole 34, and gas enters valve body 18 from inlet hole 32 and from air outlet hole 34, flows in machinery.
Claims (6)
1. a miniature electromagnetic valve, comprise coil block (5) and valve component, described coil block (5) is connected by buckle with valve component, valve component comprises valve body (18), manual rod assembly and push rod component, described valve body (18) is provided with inlet hole (32), exhaust port (33) and air outlet hole (34), between described valve body (18) and coil block (5), be provided with through hole, it is characterized in that being provided with in coil block (5) framework (2), described framework (2) consists of upper bracket (24) and lower support frame (25), described upper bracket (24) top is provided with positioning hole (31), described lower support frame (25) upper surface is provided with groove (37), described upper bracket (24) is equipped with for pegging graft with lower support frame (25), between described lower support frame (25) lower surface and valve body (18), be provided with No. five, seal ring (23), in framework (2), be provided with skeleton (3), skeleton (3) two ends and framework (2) offset, between described skeleton (3) and lower support frame (25) upper surface, be provided with No. two, seal ring (8), described skeleton (3) lower surface is provided with positioning boss (9), positioning boss (9) is connected for rabbeting with groove (37), described skeleton (3) internal surface is provided with endoporus step (35), endoporus step (35) upper surface is provided with static iron core (1), static iron core (1) is provided with No. one, seal ring (4) with skeleton (3) internal surface joint, described static iron core (1) upper surface is provided with positioning convex (30), positioning convex (30) is connected for coordinating to rabbet with positioning hole (31), described endoporus step (35) lower surface is fixedly connected with moving iron core spring (7), in moving iron core spring (7), be provided with moving iron core (6), moving iron core (6) is provided with the extruding step (36) matching with endoporus step (35) width, extruding step (36) offsets with moving iron core spring (7) lower end, described moving iron core (6) lower surface is provided with down No. one, sealing gasket of " protruding " shape (10), described moving iron core (6) is fixedly connected with by pressure ring (11) and sealing gasket No. one (10), described sealing gasket No. one (10) offsets with inlet hole (32) one end.
2. miniature electromagnetic valve according to claim 1, it is characterized in that described manual rod assembly comprises manual rod (21), manual rod spring (20), described manual rod (21) is provided with chute (12), on described chute (12), be slidably connected with jump ring (22), between described manual rod (21) and valve body (18), be provided with No. four, seal ring (19).
3. miniature electromagnetic valve according to claim 1, it is characterized in that described push rod component is fixedly connected with valve body (18) by bottom (17), between described bottom (17) and valve body (18), be provided with No. three (16) described bottoms of seal ring (17) and be provided with push rod spring (15), described push rod spring (15) is fixedly connected with down No. two, sealing gasket of " protruding " shape (14) with respect to bottom (17) one end, and No. two (14) outer radius of described sealing gasket are provided with push rod (13).
4. miniature electromagnetic valve according to claim 1, is characterized in that described seal ring No. two (8) and seal ring No. five (23) are equipped with for symmetry.
5. miniature electromagnetic valve according to claim 1, it is characterized in that described skeleton (3) is for " work " shape structure, by punch holder (27), cylinder (38) and die holder (26), formed, the two ends of punch holder (27) one sides are provided with two boss (28), and boss (28) is provided with contact pin (29).
6. miniature electromagnetic valve according to claim 2, is characterized in that described jump ring (22) is for " U " shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320556684.4U CN203477554U (en) | 2013-09-09 | 2013-09-09 | Mini-type electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320556684.4U CN203477554U (en) | 2013-09-09 | 2013-09-09 | Mini-type electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203477554U true CN203477554U (en) | 2014-03-12 |
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ID=50225885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320556684.4U Expired - Lifetime CN203477554U (en) | 2013-09-09 | 2013-09-09 | Mini-type electromagnetic valve |
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| Country | Link |
|---|---|
| CN (1) | CN203477554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712828A (en) * | 2015-03-31 | 2015-06-17 | 奉化市星宇电子有限公司 | Solenoid valve with high voltage breakdown prevention structure |
-
2013
- 2013-09-09 CN CN201320556684.4U patent/CN203477554U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712828A (en) * | 2015-03-31 | 2015-06-17 | 奉化市星宇电子有限公司 | Solenoid valve with high voltage breakdown prevention structure |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |