CN202371265U - Electromagnetic valve - Google Patents
Electromagnetic valve Download PDFInfo
- Publication number
- CN202371265U CN202371265U CN2011204733713U CN201120473371U CN202371265U CN 202371265 U CN202371265 U CN 202371265U CN 2011204733713 U CN2011204733713 U CN 2011204733713U CN 201120473371 U CN201120473371 U CN 201120473371U CN 202371265 U CN202371265 U CN 202371265U
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- valve
- valve body
- spool
- oil outlet
- elastic component
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Abstract
The utility model provides an electromagnetic valve, and belongs to the technical field of valves. The electromagnetic valve solves the problems that the conventional electromagnetic valve is complex in operation and easy to fail. The electromagnetic valve comprises a valve body with an oil inlet hole and an oil outlet hole, a valve core, a valve rod and an electromagnetic control structure arranged on the valve body, wherein the valve core and the valve rod are arranged in the valve body. An inner end of the valve rod acts on the valve core; an outer end of the valve rod is extended out of the valve body and connected with the electromagnetic control structure; an elastic element is arranged in the valve body; both ends of the elastic element act on the valve body and the valve core respectively; the valve core blocks the communication between the oil inlet hole and the oil outlet hole under the action of elasticity of the elastic element; the electromagnetic valve control structure has a trend to push the valve core to move to the elastic element; and the oil inlet hole is communicated with the oil outlet hole when the valve core is moved. The electromagnetic valve has the advantages of difficulty in failure, high tightness and stability.
Description
Technical field
The utility model belongs to valve technology field, relates to a kind of solenoid valve.
Background technique
Solenoid valve is the industry equipment with Electromagnetic Control, is used in direction, flow, speed and other the parameter of adjustment medium in the industrial control system.Solenoid valve is to control with the effect of electromagnetism, and main control mode is controlled by relay.Like this, solenoid valve can cooperate different circuits to realize the control of expecting, and the precision and the flexibility of control can both guarantee.Solenoid valve has a variety of, and different solenoid valves plays a role at the diverse location of control system, and the most frequently used is one-way valve, safety valve, position control valve, speed-regulating valve.
The existing solenoid valve that is used to engine brake; It mainly comprises valve body, valve rod, spool and is located at and is used to control the Electromagnetic Control structure that valve rod moves up and down on the valve body; Have oil inlet hole and oil outlet on this valve body; Under the effect of this Electromagnetic Control structure, the folding of spool may command oil inlet hole and oil outlet.In this structure, spool and valve rod are connected, and its concrete work is such: when the Electromagnetic Control structure was just connecing power supply, valve rod moved to the inside of valve body, drive spool and move together, thereby oil inlet hole and oil outlet are communicated with; When Electromagnetic Control structure reversal connection power supply, valve rod outwards moves along valve body, and spool also and then outwards moves, thus the connection of blocking-up oil inlet hole and oil outlet.
Though the solenoid valve of this structure is used in the engine brake, the folding of control oil inlet hole and oil outlet all needs the Electromagnetic Control structure to be communicated with power supply, its complicated operation; And valve rod and spool be fixed together, if inaccurate to the Electromagnetic Control structure control, will cause the fracture of valve rod and spool joint, the inefficacy of render electrical magnet valve.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology, has proposed a kind of difficult inefficacy, has been applicable to the solenoid valve of engine brake.
The purpose of the utility model can realize through following technical proposal:
A kind of solenoid valve; Comprise valve body with oil inlet hole and oil outlet, be located at spool, the valve rod in the valve body and be located at the Electromagnetic Control structure on the valve body, the inner of said valve rod acts on the spool, and its outer end is stretched out valve body and is connected with above-mentioned Electromagnetic Control structure; It is characterized in that; In described valve body, also be provided with an elastic component, the two ends of this elastic component act on respectively on valve body and the spool, the connection of described spool blocking-up oil inlet hole and oil outlet under the elastic force effect of this elastic component; Above-mentioned electromagnetic valve structure has the trend that the promotion spool moves to the elastic component direction, and oil inlet hole and oil outlet above-mentioned when described spool moves are communicated with.
Under conventional state, the elastic component of being located in the valve body has elastic force to spool, makes spool block the connection of oil inlet hole and oil outlet; When the Electromagnetic Control structure is switched on; The electromagnetic valve structure promotes valve rod and then promotes spool to move to the elastic component direction; In moving process, elastic component is compressed, and oil inlet hole and oil outlet become connected state by blocking state; Hydraulic oil can be flowed out by oil outlet in oil inlet hole enters into valve body again.After the solenoid valve outage, the elastic component of compression need reset, and spool is blocked the connection of oil inlet hole and oil outlet again under the effect of elastic component elastic force.
In above-mentioned solenoid valve, have the draining hole with the coaxial setting of valve rod on the described valve body, above-mentioned elastic component is arranged in the described draining hole, described spool blocking-up draining hole and oil outlet when described oil inlet hole and oil outlet are communicated with; Described draining hole and oil outlet are communicated with when described spool blocking-up oil inlet hole and oil outlet.
Because this solenoid valve is arranged in the engine brake, hydraulic oil enters into engine brake during braking, in the time need not braking, needs the hydraulic oil in the engine brake is discharged, so be provided with this draining hole.During the solenoid valve energising, the spool pressure spring is communicated with oil inlet hole and oil outlet, and this moment, spool was blocked the draining hole, and oil outlet and draining hole are broken off; When solenoid valve cut off the power supply, spring promoted spool and leaves the draining hole, and makes spool block oil inlet hole, and this moment, the draining hole was communicated with oil outlet, and the hydraulic oil in the engine brake can pass through the draining hole and discharge.
In above-mentioned solenoid valve, described draining is provided with guide sleeve in the hole, and above-mentioned elastic component is arranged in the described guide sleeve, and the outer end of this guide sleeve has positioning step, and an end of above-mentioned elastic component is resisted against on the described positioning step.
This guide sleeve has leading role to elastic component, make the contraction of elastic component and reset all to carry out along the direction of this guide sleeve, and this guide sleeve can position with spacing elastic component, prevents that elastic component from coming off.
In above-mentioned solenoid valve, described elastic component is a spring.
In above-mentioned solenoid valve, described spool is a steel ball.
In above-mentioned solenoid valve; Described Electromagnetic Control structure comprises the tubular coil that is placed in the valve body top, be located at the holder in the coil and be located at this coil top is used to the valve gap that prevents that holder from coming off; Described coil and the coaxial setting of valve rod; Described holder is connected with the valve rod outer end, and described holder can be along stem shaft to moving to the spool direction when coil electricity.
This Electromagnetic Control structure is when work, and to coil electricity, coil generates an electromagnetic field holder is moved axially along coil, and valve rod can drive moving of spool in the moving process, thus the break-make of control oil inlet hole and oil outlet.
In above-mentioned solenoid valve, also be provided with coil case on the described valve body.
In above-mentioned solenoid valve, be provided with pad between described valve gap and the coil.
In above-mentioned solenoid valve, be provided with flange between described coil case and the valve body.
In above-mentioned solenoid valve, described valve body comprises outer valve and inner valve body, and described outer valve is placed on the inner valve body, is provided with seal ring between described inner valve body and the outer valve.Valve body is divided into outer valve and inner valve body, convenient spool, elastic component and the guide sleeve installed.
Compared with prior art, this solenoid valve has the following advantages:
Spool is a steel ball, need not position steel ball, and shutoff all can be carried out to oil inlet hole or draining hole in each side of steel ball, and the sealing after the shutoff between steel ball and oil inlet hole or the draining hole is better; On valve body, be provided with the draining hole, the hydraulic oil that is arranged in engine brake can be discharged in this draining hole, guarantees the stability of engine brake.
Description of drawings
Generalized section when Fig. 1 is the outage of this solenoid valve.
Generalized section when Fig. 2 is the energising of this solenoid valve.
Among the figure, 1, valve body; 11, oil inlet hole; 12, oil outlet; 13, draining hole; 2, spool; 3, valve rod; 4, elastic component; 5, guide sleeve; 51, positioning step; 61, coil; 62, holder; 63, valve gap; 64, coil case; 65, pad; 66, flange; 7, seal ring.
Embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technological scheme of the utility model is done further to describe, but the utility model is not limited to these embodiments.
As depicted in figs. 1 and 2; This solenoid valve comprises valve body 1, spool 2, valve rod 3 and is located at the Electromagnetic Control structure on the valve body 1; Offer the oil inlet hole 11 and oil outlet 12 that are interconnected on the valve body 1; Spool 2 is arranged in this valve body 1, and the inner of this valve rod 3 acts on the spool 2, and the outer end is stretched out valve body 1 and is connected with the Electromagnetic Control structure.Concrete; As depicted in figs. 1 and 2; This Electromagnetic Control structure comprises the tubular coil 61 that is placed in valve body 1 top, be located at the holder 62 in the coil 61 and be located at these coil 61 tops is used to the valve gap 63 that prevents that holder 62 from coming off; Coil 61 is connected with valve rod 3 outer ends with valve rod 3 coaxial settings, holder 62, and holder 62 can axially move to spool 2 directions along valve rod 3 when coil 61 energisings.
In order to prevent coming off of coil 61, as depicted in figs. 1 and 2, on valve body 1, also be provided with coil case 64, this coil case 64 surrounds coil 61.In order to increase the shift motion of holder 62, between valve gap 63 and coil 61, be provided with pad 65, and between coil case 64 and valve body 1, also be provided with flange 66,66 pairs of coil cases of this flange, 64 location.
As depicted in figs. 1 and 2; The vertical setting of inner end of the inner end of oil inlet hole 11 and oil outlet 12, the spool 2 in the present embodiment is a steel ball, this steel ball is positioned at the inner port of oil inlet hole 11 and the inner port place of oil outlet 12; In valve body 1, also be provided with an elastic component 4; The inner coaxial setting of this elastic component 4 and oil inlet hole 11, the elastic component 4 in the present embodiment is a spring, the lower end of this spring acts on the valve body 1; Its upper end acts on the steel ball, and steel ball has been blocked the connection of oil inlet hole 11 and oil outlet 12 under the effect of this spring force.
As depicted in figs. 1 and 2; Because this solenoid valve is arranged in the engine brake, hydraulic oil enters into engine brake during braking, in the time need not braking; Need the hydraulic oil in the engine brake is discharged, so on valve body 1, be provided with draining hole 13.Spring is arranged in this draining hole 13, spool 2 blocking-up draining holes 13 and oil outlet 12 when oil inlet hole 11 is communicated with oil outlet 12; Draining hole 13 is communicated with oil outlet 12 when spool 2 blocking-up oil inlet holes 11 and oil outlet 12.As depicted in figs. 1 and 2, in draining hole 13, be provided with guide sleeve 5, spring is arranged in the guide sleeve 5, and the outer end of this guide sleeve 5 has positioning step 51, and the following of spring is resisted against on the positioning step 51.5 pairs of elastic components 4 of this guide sleeve have leading role, make the contraction of spring and reset all to carry out along the direction of this guide sleeve 5, and this guide sleeve 5 can position with spacing spring, prevent that elastic component 4 from coming off.
As depicted in figs. 1 and 2, the valve body 1 in the present embodiment is made up of inner valve body and outer valve, and outer valve is enclosed within on the inner valve body, is provided with seal ring 7 between inner valve body and the outer valve.Setting can make things convenient for the installation of spool 2, spring and guide sleeve 5 like this.
Under conventional state; As shown in Figure 1; 4 pairs of spools 2 of elastic component of being located in the valve body 1 have the inner port that the elastic force steel ball blocks oil inlet hole 11; This moment, steel ball was blocked the connection of oil inlet hole 11 and oil outlet 12, and oil outlet 12 is communicated with draining hole 13, and the hydraulic oil in the engine brake can pass through draining hole 13 and discharge.When solenoid valve was switched on, as shown in Figure 2, the effect that holder 62 receives the electromagnetic field of coil 61 generations moved down along coil 61; In moving process, valve rod 3 promotes steel ball, and the steel ball extrusion spring makes length of spring compressed; In this process, the inner port of inner port to draining hole 13 that steel ball leaves oil inlet hole 11 moves, and blocks drain tap at last; At this moment, oil inlet hole 11 is communicated with oil outlet 12, and oil outlet 12 is blocked by steel ball with draining hole 13.After coil 61 outages, the spring of compression need reset, and spool 2 is blocked the connection of oil inlet hole 11 and oil outlet 12 again under the effect of spring force.
The spool 2 of this solenoid valve is a steel ball, need not position steel ball, and shutoff all can be carried out to oil inlet hole 11 or draining hole 13 in each side of steel ball, and the sealing after the shutoff between steel ball and oil inlet hole 11 or the draining hole 13 is better; On valve body 1, be provided with draining hole 13, the hydraulic oil that is arranged in engine brake can be discharged in this draining hole 13, guarantees the stability of engine brake.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as valve body 1, oil inlet hole 11, oil outlet 12, draining hole 13, spool 2, valve rod 3, elastic component 4, guide sleeve 5, positioning step 51, coil 61, holder 62, valve gap 63, coil case 64, pad 65, flange 66, seal ring 7 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.
Claims (10)
1. solenoid valve; Comprise have oil inlet hole (11) and oil outlet (12) valve body (1), be located at spool (2), the valve rod (3) in the valve body (1) and be located at the Electromagnetic Control structure on the valve body (1); The inner of said valve rod (3) acts on the spool (2); Its outer end is stretched out valve body (1) and is connected with above-mentioned Electromagnetic Control structure, it is characterized in that, in described valve body (1), also is provided with an elastic component (4); The two ends of this elastic component (4) act on respectively on valve body (1) and the spool (2), the connection of described spool (2) blocking-up oil inlet hole (11) and oil outlet (12) under the elastic force effect of this elastic component (4); Above-mentioned electromagnetic valve structure has the trend that promotion spool (2) moves to elastic component (4) direction, and oil inlet hole (11) and oil outlet (12) above-mentioned when described spool (2) moves are communicated with.
2. a kind of solenoid valve according to claim 1; It is characterized in that; Has draining hole (13) on the described valve body (1) with the coaxial setting of valve rod (3); Above-mentioned elastic component (4) is arranged in the described draining hole (13), described spool (2) blocking-up draining hole (13) and oil outlet (12) when described oil inlet hole (11) and oil outlet (12) connection; Described draining hole (13) and oil outlet (12) are communicated with when described spool (2) blocking-up oil inlet hole (11) and oil outlet (12).
3. a kind of solenoid valve according to claim 2; It is characterized in that; Be provided with guide sleeve (5) in the described draining hole (13); Above-mentioned elastic component (4) is arranged in the described guide sleeve (5), and the outer end of this guide sleeve (5) has positioning step (51), and an end of above-mentioned elastic component (4) is resisted against on the described positioning step (51).
4. according to claim 1 or 2 or 3 described a kind of solenoid valves, it is characterized in that described elastic component (4) is a spring.
5. according to claim 1 or 2 or 3 described a kind of solenoid valves, it is characterized in that described spool (2) is a steel ball.
6. according to claim 1 or 2 or 3 described a kind of solenoid valves; It is characterized in that; Described Electromagnetic Control structure comprises the tubular coil (61) that is placed in valve body (1) top, be located at the holder (62) in the coil (61) and be located at this coil (61) top is used to the valve gap (63) that prevents that holder (62) from coming off; Described coil (61) and the coaxial setting of valve rod (3); Described holder (62) is connected with valve rod (3) outer end, and described holder (62) can axially move to spool (2) direction along valve rod (3) when coil (61) is switched on.
7. a kind of solenoid valve according to claim 6 is characterized in that, also is provided with coil case (64) on the described valve body (1).
8. a kind of solenoid valve according to claim 6 is characterized in that, is provided with pad (65) between described valve gap (63) and the coil (61).
9. a kind of solenoid valve according to claim 6 is characterized in that, is provided with flange (66) between described coil case (64) and the valve body (1).
10. according to claim 1 or 2 or 3 described a kind of solenoid valves, it is characterized in that described valve body (1) comprises outer valve and inner valve body, described outer valve is placed on the inner valve body, is provided with seal ring (7) between described inner valve body and the outer valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204733713U CN202371265U (en) | 2011-11-24 | 2011-11-24 | Electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204733713U CN202371265U (en) | 2011-11-24 | 2011-11-24 | Electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202371265U true CN202371265U (en) | 2012-08-08 |
Family
ID=46594969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204733713U Expired - Fee Related CN202371265U (en) | 2011-11-24 | 2011-11-24 | Electromagnetic valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN202371265U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672114A (en) * | 2013-12-04 | 2014-03-26 | 宁波隆腾轴承液压件有限公司 | Electromagnetic valve |
| CN104948366A (en) * | 2015-07-17 | 2015-09-30 | 温州巴腾电子科技有限公司 | Direct injection high-pressure fuel pump |
| CN106439051A (en) * | 2016-08-30 | 2017-02-22 | 宁波星宇国均汽车电磁阀有限公司 | Electromagnetic valve for automatic gearbox |
| CN106594354A (en) * | 2015-10-20 | 2017-04-26 | 株式会社鹭宫制作所 | A method of manufacturing a power-on-off type solenoid valve, and a power-on-off type solenoid valve |
| CN106979370A (en) * | 2016-01-18 | 2017-07-25 | 株式会社鹭宫制作所 | Magnetic valve |
-
2011
- 2011-11-24 CN CN2011204733713U patent/CN202371265U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672114A (en) * | 2013-12-04 | 2014-03-26 | 宁波隆腾轴承液压件有限公司 | Electromagnetic valve |
| CN103672114B (en) * | 2013-12-04 | 2016-04-20 | 宁波隆腾轴承液压件有限公司 | A kind of solenoid valve |
| CN104948366A (en) * | 2015-07-17 | 2015-09-30 | 温州巴腾电子科技有限公司 | Direct injection high-pressure fuel pump |
| CN106594354A (en) * | 2015-10-20 | 2017-04-26 | 株式会社鹭宫制作所 | A method of manufacturing a power-on-off type solenoid valve, and a power-on-off type solenoid valve |
| CN106979370A (en) * | 2016-01-18 | 2017-07-25 | 株式会社鹭宫制作所 | Magnetic valve |
| CN106439051A (en) * | 2016-08-30 | 2017-02-22 | 宁波星宇国均汽车电磁阀有限公司 | Electromagnetic valve for automatic gearbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ye Yilong Inventor before: Shi Quan |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: SHI QUAN TO: YE YILONG |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20181124 |