CN203176435U - Electromagnetic throttling valve - Google Patents
Electromagnetic throttling valve Download PDFInfo
- Publication number
- CN203176435U CN203176435U CN 201320172703 CN201320172703U CN203176435U CN 203176435 U CN203176435 U CN 203176435U CN 201320172703 CN201320172703 CN 201320172703 CN 201320172703 U CN201320172703 U CN 201320172703U CN 203176435 U CN203176435 U CN 203176435U
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- oil circuit
- valve body
- valve
- outlet
- commutation
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- Expired - Fee Related
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Abstract
The utility model discloses an electromagnetic throttling valve, which comprises an electromagnet, a reversing valve and a throttling valve, wherein a reversing valve body is provided with a valve port and a reversing valve element; a first oil way and a second oil way are formed in the reversing valve body, and are communicated with the valve port; outlets of the first and second oil ways are positioned in the upper and lower surfaces of the reversing valve body respectively; a pushrod groove is formed in the left end face of the reversing valve element, a circular groove is formed in the middle part of the reversing valve element, and a spring clamping groove is formed in the right end face of the reversing valve element; the position of the circular groove is corresponds to the first and second oil ways; the electromagnet is fixedly arranged on the left end face of the reversing valve body; the end of an electromagnet pushrod is positioned in the pushrod groove; a resetting spring is arranged in the spring clamping groove; a third oil way and a fourth oil way are formed in the inner right side of the reversing valve body; the third oil way is communicated with the first oil way, and the fourth oil way is communicated with the second oil way; the throttling valve is fixedly arranged on the right end face of the reversing valve body; the third and fourth oil ways are communicated with an inlet oil way and an outlet oil way of the reversing valve body respectively; and the throttling valve is provided with a throttling valve sleeve and a throttling valve regulation rod in parallel, and the throttling valve sleeve corresponds to the inlet oil way and the outlet oil way. According to the electromagnetic throttling valve, parts are reduced, stable and reliable performance is maintained, reversing and throttling flexibility is ensured, and the probability of leakage is reduced.
Description
Technical field
The utility model belongs to the electromagnetic throttle valve field, and particularly the electromagnetic throttle valve of using in a kind of Sandwich plate valve hydraulic system is controlled the mutual conversion that oil cylinder F.F. and worker advance in hydraulic system.
Background technique
Electromagnetic throttle valve is extensive use in hydraulic system, mainly is the effect that the worker advances, F.F. is changed mutually that realizes cylinder action in hydraulic system.Kind and the specification of electromagnetic throttle valve are a lot of at present, as LE-F10D-B electromagnetic throttle valve, LE-F10D-A electromagnetic throttle valve, LE-F16D-A electromagnetic throttle valve etc.Its structure is made up of electromagnet, valve body, spool, transition valve body and throttle valve etc. substantially, such structure appliance is more, boundary dimension, manufacture cost and the difficulty of processing of electromagnetic throttle valve have been increased, the junction plane that connects between a plurality of valve bodies is arranged, so more increased the appearance of seepage phenomenon in the using process in the future.
The model utility content
The utility model provides a kind of electromagnetic throttle valve, and this valve arrangement is simple, has both reduced manufacturing finished product and difficulty of processing, and can also effectively reduce the seepage in the using process may.
The technological scheme that adopts is:
A kind of electromagnetic throttle valve comprises electromagnet, selector valve and throttle valve.
Its technological points is:
Selector valve comprises changeover valve core and commutation valve body.
Offer valve opening in the commutation valve body, described valve opening is blind hole.Commutation valve body both sides offer first oil circuit and second oil circuit that is communicated with valve opening respectively.The outlet of first oil circuit and second oil circuit lays respectively at upper surface and the lower surface of commutation valve body.Offer spool bore in the changeover valve core, spool bore is through hole.
The changeover valve core left side offers the push rod groove of installing electromagnet push-rod, and the changeover valve core middle part is provided with annular groove, and the changeover valve core right side offers spring card slot.The annular groove position of changeover valve core is corresponding with the position of first oil circuit and second oil circuit.
Changeover valve core is installed in the valve opening, and electromagnet is fixed on commutation valve body left side, and the electromagnet push-rod termination is positioned at the push rod groove.
Installing Returnning spring in the spring card slot, the two ends of Returnning spring respectively with spring card slot and the commutation valve body top that offsets.
The right side offers the 3rd oil circuit and the 4th oil circuit in the commutation valve body.
The outlet of the 3rd an oil circuit left side and first oil circuit are communicated with, and the right outlet of the 3rd oil circuit is positioned at commutation valve body right side.The outlet of the 4th an oil circuit left side and second oil circuit are communicated with, and the right outlet of the 4th oil circuit is positioned at commutation valve body right side.
Fixedly there is throttle valve commutation valve body right side.Throttle valve comprises throttle valve body, throttling valve pocket and throttle valve adjustment bar.
Throttle valve body offers in-line and vent line.
In-line and the 3rd oil circuit are connected.Vent line and the 4th oil circuit are connected.
The right side outlet of in-line and the right side outlet of vent line are provided with the throttling valve pocket, and installing throttle valve adjustment bar.
Offer the 5th oil circuit, the 6th oil circuit and the 7th oil circuit in the described commutation valve body simultaneously.
The upper outlet of the 5th oil circuit and following outlet lay respectively at upper surface and the lower surface of commutation valve body.
The upper outlet of the 6th oil circuit and following outlet lay respectively at upper surface and the lower surface of commutation valve body.
The upper outlet of the 7th oil circuit and following outlet lay respectively at upper surface and the lower surface of commutation valve body, and the 7th oil circuit middle part is by the 8th oil circuit and valve opening connection.
Principle
Hydraulic oil is after the 5th oil circuit P oil circuit enters when the needs worker advances work, when system's main reversing valve commutates to the throttling oil circuit, changeover valve core is because the active force of Returnning spring is in original position, reversing oil circuit is obstructed, and pressure oil was flowed out by the vent line outlet after in-line enters throttle valve to regulate the throttling flow by the throttle valve adjustment bar and reached the worker and advance purpose this moment.
When the needs F.F. was worked, electromagnet got electric promotion changeover valve core commutation, and first, second oil circuit (B) communicates, and hydraulic oil is directly flowed out by the outlet of second oil circuit and reaches the F.F. purpose.
Its advantage is:
This electromagnetic throttle valve has also dwindled boundary dimension when having guaranteed conventional electromagnetic throttle valve performance, and can effectively save it and take up room, the design of more convenient system, the minimizing of part has also reduced manufacture cost and difficulty of processing.Simultaneously, this valve performance is reliable and stable, operates steadily, and the commutation throttling is flexible, has reduced the seepage possibility in the using process, saves transition valve body and Packing spring seat.
Description of drawings
Fig. 1 is C-C sectional view of the present utility model.
Fig. 2 is plan view of the present utility model.
Fig. 3 is hydraulic schematic diagram of the present utility model.
Embodiment
A kind of electromagnetic throttle valve comprises electromagnet 1, selector valve and throttle valve.
Selector valve comprises changeover valve core 2 and commutation valve body 3.
Offer valve opening in the commutation valve body 3, described valve opening is blind hole.Commutation valve body 3 both sides offer first oil circuit 8 and second oil circuit 9 that is communicated with valve opening respectively.The outlet of first oil circuit 8 and second oil circuit 9 lays respectively at upper surface and the lower surface of commutation valve body 3.Offer spool bore 20 in the changeover valve core 2, spool bore 20 is through hole.
Changeover valve core 2 is cylindrical body, and changeover valve core 2 left sides offer the push rod groove 10 of installing electromagnet push-rod, and changeover valve core 2 middle parts are provided with annular groove 12, and changeover valve core 2 right sides offer spring card slot.Annular groove 12 positions of changeover valve core 2 are corresponding with the position of first oil circuit 8 and second oil circuit 9.
Changeover valve core 2 is installed in the valve opening, and electromagnet 1 is fixed on commutation valve body 3 left sides, and the electromagnet push-rod termination is positioned at push rod groove 10.
Installing Returnning spring 4 in the spring card slot, the two ends of Returnning spring 4 are replaced mutually with spring card slot and commutation valve body 3 respectively.
The right side offers the 3rd oil circuit 13 and the 4th oil circuit 14 in the commutation valve body 3.
13 left side outlets of the 3rd oil circuit and first oil circuit 8 are communicated with, and the 13 right outlets of the 3rd oil circuit are positioned at commutation valve body 3 right sides.14 left side outlets of the 4th oil circuit and second oil circuit 9 are communicated with, and the 14 right outlets of the 4th oil circuit are positioned at commutation valve body 3 right sides.Offer the 5th oil circuit (P) 17, the 6th oil circuit (A) 18 and the 7th oil circuit (O) 11 in the commutation valve body 3.
The upper outlet of the 5th oil circuit (P) 17 and following outlet lay respectively at upper surface and the lower surface of commutation valve body 3.
The upper outlet of the 6th oil circuit (A) 18 and following outlet lay respectively at upper surface and the lower surface of commutation valve body 3.
The upper outlet of the 7th oil circuit (O) 11 and following outlet lay respectively at upper surface and the lower surface of commutation valve body 3, and the 7th oil circuit (O) 11 middle parts are communicated with by the 8th oil circuit 19 and valve opening.
Fixedly there is throttle valve commutation valve body 3 right sides.Throttle valve comprises throttle valve body 5, throttling valve pocket 6 and throttle valve adjustment bar 7.
Throttle valve body 5 offers in-line 15 and vent line 16.
In-line 15 and the 3rd oil circuit 13 are connected, and the joint arranges seal ring.
Vent line 16 and the 4th oil circuit 14 are connected, and the joint arranges seal ring.
The right side outlet of in-line 15 and the right side outlet of vent line 16 are provided with throttling valve pocket 6, and installing throttle valve adjustment bar 7.
Described electromagnet 1 and throttle valve are known technology, so repeated description not.Use the more effective shortening length overall of this throttle valve size.
Claims (2)
1. an electromagnetic throttle valve comprises electromagnet (1), selector valve and throttle valve; It is characterized in that:
Selector valve comprises changeover valve core (2) and commutation valve body (3);
Offer valve opening in the commutation valve body (3), described valve opening is blind hole; Commutation valve body (3) both sides offer first oil circuit (8) and second oil circuit (9) that is communicated with valve opening respectively; The outlet of first oil circuit (8) and second oil circuit (9) lays respectively at upper surface and the lower surface of commutation valve body (3); Offer spool bore (20) in the changeover valve core (2), spool bore (20) is through hole;
Changeover valve core (2) left side offers the push rod groove (10) of installing electromagnet push-rod, and changeover valve core (2) middle part is provided with annular groove (12), and changeover valve core (2) right side offers spring card slot; Annular groove (12) position of changeover valve core (2) is corresponding with the position of first oil circuit (8) and second oil circuit (9);
Changeover valve core (2) is installed in the valve opening, and electromagnet (1) is fixed on commutation valve body (3) left side, and the electromagnet push-rod termination is positioned at push rod groove (10);
Installing Returnning spring (4) in the spring card slot, the two ends of Returnning spring (4) are replaced mutually with spring card slot and commutation valve body (3) respectively;
The interior right side of commutation valve body (3) offers the 3rd oil circuit (13) and the 4th oil circuit (14);
The outlet of the 3rd oil circuit (a 13) left side and first oil circuit (8) are communicated with, and the right outlet of the 3rd oil circuit (13) is positioned at commutation valve body (3) right side; The outlet of the 4th oil circuit (a 14) left side and second oil circuit (9) are communicated with, and the right outlet of the 4th oil circuit (14) is positioned at commutation valve body (3) right side;
Fixedly there is throttle valve commutation valve body (3) right side; Throttle valve comprises throttle valve body (5), throttling valve pocket (6) and throttle valve adjustment bar (7);
Throttle valve body (5) offers in-line (15) and vent line (16);
In-line (15) and the 3rd oil circuit (13) are connected; Vent line (16) and the 4th oil circuit (14) are connected;
The right side outlet of in-line (15) and the right side outlet of vent line (16) are provided with throttling valve pocket (6), and installing throttle valve adjustment bar (7).
2. a kind of electromagnetic throttle valve according to claim 1 is characterized in that: offer the 5th oil circuit (17), the 6th oil circuit (18) and the 7th oil circuit (11) in the described commutation valve body (3);
The upper outlet of the 5th oil circuit (17) and following outlet lay respectively at upper surface and the lower surface of commutation valve body (3);
The upper outlet of the 6th oil circuit (18) and following outlet lay respectively at upper surface and the lower surface of commutation valve body (3);
The upper outlet of the 7th oil circuit (11) and following outlet lay respectively at upper surface and the lower surface of commutation valve body (3), and the 7th oil circuit (11) middle part is by the 8th oil circuit (19) and valve opening connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320172703 CN203176435U (en) | 2013-04-09 | 2013-04-09 | Electromagnetic throttling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320172703 CN203176435U (en) | 2013-04-09 | 2013-04-09 | Electromagnetic throttling valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203176435U true CN203176435U (en) | 2013-09-04 |
Family
ID=49073132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320172703 Expired - Fee Related CN203176435U (en) | 2013-04-09 | 2013-04-09 | Electromagnetic throttling valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203176435U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122517A (en) * | 2016-08-20 | 2016-11-16 | 北华大学 | Differential choke valve |
| CN108223479A (en) * | 2018-01-31 | 2018-06-29 | 邹城市益凯德液压有限公司 | The high flow manual reversal valve of included overload protection |
| CN108799232A (en) * | 2018-07-06 | 2018-11-13 | 佛山信卓派思机械科技有限公司 | A kind of oil passage change-over valve |
-
2013
- 2013-04-09 CN CN 201320172703 patent/CN203176435U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122517A (en) * | 2016-08-20 | 2016-11-16 | 北华大学 | Differential choke valve |
| CN106122517B (en) * | 2016-08-20 | 2019-02-15 | 北华大学 | Differential throttle valve |
| CN108223479A (en) * | 2018-01-31 | 2018-06-29 | 邹城市益凯德液压有限公司 | The high flow manual reversal valve of included overload protection |
| CN108223479B (en) * | 2018-01-31 | 2024-03-29 | 山东益凯德液压股份有限公司 | Large-flow manual reversing valve with overload protection |
| CN108799232A (en) * | 2018-07-06 | 2018-11-13 | 佛山信卓派思机械科技有限公司 | A kind of oil passage change-over valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20130904 Termination date: 20180409 |