CN210920273U

CN210920273U - Normally closed high-speed digital switch valve

Info

Publication number: CN210920273U
Application number: CN201922023576.0U
Authority: CN
Inventors: 王有艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-07-03
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a high-speed digital ooff valve of normal close formula, including the valve body, the one end fixedly connected with disk seat of valve body inner wall, the inside excavation of disk seat has the oil-out, and the inside fixedly connected with diaphragm of valve body, the top excavation of valve body have first oil inlet, and the top of valve body and the one side excavation that is located first oil inlet have the second oil inlet, and sliding connection has first case between the one end at diaphragm top and the top of valve body inner wall, the utility model discloses the beneficial effect who reaches is: the utility model discloses compact structure, easy operation is convenient, and the practicality is strong, and through setting up two iron cores in the inside of equipment, the corresponding electro-magnet coil of cooperation makes it have magnetism, then through setting up ingenious case structure and return spring case cooperation, makes the realization switching that two oil inlets can be free under the effect of moving the iron core to control the switching on the right way, need not to install too much digital switch valve, thereby very big saving the cost.

Description

Normally closed high-speed digital switch valve

Technical Field

The utility model relates to a high-speed digital switch valve, in particular to high-speed digital switch valve of normal close formula belongs to ooff valve technical field.

Background

In the prior life, in the field of electromechanical numerical control technology, in particular to the field of high-speed switch valves which are key elements for realizing digital control, the on-off of the electromagnet is controlled according to a series of electric pulse signals to promote the valve core to move forward and backward at high speed, so that the on-off of the liquid flow of the valve port is realized, is paid much attention in the development process, also attracts a large number of scholars at home and abroad to develop corresponding theoretical research on the scholars, most of the existing high-speed digital switch valves can only carry out switch control on a single oil inlet channel and can not carry out switch control on different oil inlets, therefore, when the high-speed digital switch valve is used, each pipeline needs to be provided with the high-speed digital switch valve, the complexity of an oil way is greatly increased, and meanwhile, the cost is also increased.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a high-speed digital ooff valve of normal close formula.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a normally closed high-speed digital switch valve, which comprises a valve body, one end of the inner wall of the valve body is fixedly connected with a valve seat, the interior of the valve seat is chiseled with an oil outlet, the interior of the valve body is fixedly connected with a transverse plate, the top of the valve body is chiseled with a first oil inlet, one side of the top of the valve body and the side of the first oil inlet is chiseled with a second oil inlet, a first valve core is connected between one end of the top of the transverse plate and the top of the inner wall of the valve body in a sliding way, one side of the first valve core, which is far away from the oil outlet, is fixedly connected with a connecting rod, one end of the connecting rod, which is far away from the first valve core, is fixedly connected with a second valve core, the bottom of the second valve core is connected with the transverse plate in a sliding way, the top and the, move the inside sliding connection of iron core and valve body, move the one end fixedly connected with return spring that the dead lever was kept away from to the iron core, return spring keeps away from the quiet iron core of the one end fixedly connected with that moves the iron core, just the inner wall fixed connection of quiet iron core and valve body.

As a preferred scheme of the utility model, the oil-out runs through the inside of disk seat and valve body and communicates with each other, first oil inlet all runs through the valve body with the second oil inlet and communicates with each other with the inside of valve body.

As a preferred scheme of the utility model, the size of first case is the same with the size of second case completely.

As an optimized scheme of the utility model, the diaphragm is located the middle part of valve body.

As an optimized scheme of the utility model, one side that quiet iron core is close to moving the iron core is dug and is had and moves the recess that the iron core size of a dimension mutually supported.

As the utility model discloses an optimal scheme, the one end of oil-out and the first electromagnet coil of outside fixedly connected with that is located movable iron core are kept away from in the outside of valve body, the outside of valve body just is located one side fixedly connected with second electromagnet coil of first electromagnet coil.

As a preferred embodiment of the present invention, the stationary core is opposite to the movable core in a magnetic pole.

The utility model discloses the beneficial effect who reaches is: the utility model discloses compact structure, easy operation is convenient, and the practicality is strong, and through setting up two iron cores in the inside of equipment, the corresponding electro-magnet coil of cooperation makes it have magnetism, then through setting up ingenious case structure and return spring case cooperation, makes the realization switching that two oil inlets can be free under the effect of moving the iron core to control the switching on the right way, need not to install too much digital switch valve, thereby very big saving the cost.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic view of the first open state of the present invention;

fig. 3 is a schematic view of the second open state of the present invention.

In the figure: 1. a valve body; 2. a valve seat; 3. an oil outlet; 4. a transverse plate; 5. a first oil inlet; 6. a second oil inlet; 7. a first valve spool; 8. a connecting rod; 9. a second valve core; 10. fixing the rod; 11. a movable iron core; 12. a return spring; 13. a stationary iron core; 14. a first electromagnet coil; 15. a second electromagnet coil.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-3, the utility model provides a normally closed high-speed digital switch valve, which comprises a valve body 1, wherein one end of the inner wall of the valve body 1 is fixedly connected with a valve seat 2, which is convenient for better sealing one end inside the valve body 1; an oil outlet 3 is formed in the valve seat 2 in a chiseled mode, a transverse plate 4 is fixedly connected to the interior of the valve body 1, a first oil inlet 5 is formed in the top of the valve body 1 in a chiseled mode, a second oil inlet 6 is formed in the top of the valve body 1 and located on one side of the first oil inlet 5, a first valve core 7 is connected between one end of the top of the transverse plate 4 and the top of the inner wall of the valve body 1 in a sliding mode, a connecting rod 8 is fixedly connected to one side, away from the oil outlet 3, of the first valve core 7, a second valve core 9 is fixedly connected to one end, away from the first valve core 7, of the connecting rod 8, the bottom of the second valve core 9 is connected with the transverse plate 4 in a sliding mode, the top and the side face of the second valve core 9 are connected with the inner wall of; a fixed rod 10 is fixedly connected to one side, away from the connecting rod 8, of the second valve core 9, a movable iron core 11 is fixedly connected to one end, away from the second valve core 9, of the fixed rod 10, the movable iron core 11 is in sliding connection with the interior of the valve body 1, a return spring 12 is fixedly connected to one end, away from the fixed rod 10, of the movable iron core 11, a static iron core 13 is fixedly connected to one end, away from the movable iron core 11, of the return spring 12, and the movable iron core 11 and the static iron core 13 are better connected and limited through the; and the static iron core 13 is fixedly connected with the inner wall of the valve body 1.

Further, the oil outlet 3 penetrates through the valve seat 2 to be communicated with the inside of the valve body 1, the first oil inlet 5 and the second oil inlet 6 both penetrate through the valve body 1 and are communicated with the inside of the valve body 1, and the oil outlet 3 is conveniently and better communicated with the first oil inlet 5 and the second oil inlet 6 through the inside of the valve body 1.

Furthermore, the first valve core 7 and the second valve core 9 have the same size, so that the first oil inlet 5 and the second oil inlet 6 can be better closed and opened through the mutual matching of the first valve core 7 and the second valve core 9.

Further, diaphragm 4 is located the middle part of valve body 1, is convenient for better through the space of diaphragm 4 lower part and the cooperation between second oil inlet 6, communicates oil-out 3 and second oil inlet 6.

Furthermore, a groove matched with the size of the movable iron core 11 is formed in one side, close to the movable iron core 11, of the static iron core 13, so that the movable iron core 11 can be better attracted into the groove of the static iron core 13.

Further, the one end of oil-out 3 is kept away from in the outside of valve body 1 and is located the outside fixedly connected with first electromagnet coil 14 of moving iron core 11, and the outside of valve body 1 and the one side fixedly connected with second electromagnet coil 15 that is located first electromagnet coil 14 are convenient for make through first electromagnet coil 14 and second electromagnet coil 15 move iron core 11 and quiet iron core 13 and possess magnetism.

Further, the opposite side of the static iron core 13 and the movable iron core 11 has opposite magnetic poles, which facilitates better repulsion between the movable iron core 11 and the static iron core 13.

Specifically, an oil outlet pipeline is connected with an oil outlet 3, two oil inlet pipelines are respectively connected with a first oil inlet 5 and a second oil inlet 6, as shown in fig. 1, the state inside a valve body 1 is normal, when the oil outlet 3 needs to be communicated with the first oil inlet 5, a second electromagnet coil 15 is electrified, a static iron core 13 has magnetism, the elasticity of a return spring 12 is overcome, so that a movable iron core 11 is attracted to move into a groove on one side of the static iron core 13, the movable iron core 11 can drive a fixed rod 10 to move rightwards, the fixed rod 10 drives a second valve core 9 to move rightwards, the second valve core 9 drives a first valve core 7 to move rightwards through a connecting rod 8, so that the first oil inlet 5 is communicated with the oil outlet 3, the state inside the valve body 1 after operation is shown in fig. 3, when the oil outlet 3 needs to be communicated with the second oil inlet 6, the first electromagnet coil 14 and the second electromagnet coil 15 are respectively electrified, because the magnetic poles of the opposite sides of the movable iron core 11 and the static iron core 13 are opposite, the movable iron core 11 and the static iron core 13 repel each other, the elastic force of the return spring 12 is overcome, the movable iron core 11 moves leftwards, and the second valve core 9 and the first valve core 7 are driven to move leftwards, as shown in fig. 2, the oil outlet 3 can be communicated with the second oil inlet 6.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A normally closed high-speed digital switch valve comprises a valve body (1) and is characterized in that one end of the inner wall of the valve body (1) is fixedly connected with a valve seat (2), an oil outlet (3) is formed in the valve seat (2), a transverse plate (4) is fixedly connected in the valve body (1), a first oil inlet (5) is formed in the top of the valve body (1), a second oil inlet (6) is formed in the top of the valve body (1) and located at one side of the first oil inlet (5), a first valve core (7) is connected between one end of the top of the transverse plate (4) and the top of the inner wall of the valve body (1) in a sliding mode, a connecting rod (8) is fixedly connected to one side, away from the oil outlet (3), of the first valve core (7) of the connecting rod (8), a second valve core (9) is fixedly connected to one end, away from the first valve core (7), and the bottom of the second valve core (9), the top and the side of second case (9) all with the inner wall sliding connection of valve body (1), one side fixedly connected with dead lever (10) of connecting rod (8) are kept away from in second case (9), one end fixedly connected with of second case (9) is kept away from in dead lever (10) moves iron core (11), move the inside sliding connection of iron core (11) and valve body (1), move one end fixedly connected with return spring (12) that dead lever (10) were kept away from in iron core (11), return spring (12) are kept away from the one end fixedly connected with quiet iron core (13) of moving iron core (11), just the inner wall fixed connection of quiet iron core (13) and valve body (1).

2. The normally closed high-speed digital switch valve according to claim 1, wherein the oil outlet (3) penetrates through the valve seat (2) and communicates with the interior of the valve body (1), and the first oil inlet (5) and the second oil inlet (6) both penetrate through the valve body (1) and communicate with the interior of the valve body (1).

3. A normally closed high-speed digital on-off valve according to claim 1, characterized in that the first spool (7) and the second spool (9) are of identical dimensions.

4. A normally closed high-speed digital on-off valve according to claim 1, characterized in that the cross plate (4) is located in the middle of the valve body (1).

5. A normally closed high-speed digital switch valve according to claim 1, characterized in that a recess is bored on the side of the static iron core (13) close to the movable iron core (11) to match the size of the movable iron core (11).

6. The normally closed high-speed digital switch valve according to claim 1, wherein a first electromagnet coil (14) is fixedly connected to one end of the outer side of the valve body (1) far away from the oil outlet (3) and located on the outer side of the movable iron core (11), and a second electromagnet coil (15) is fixedly connected to one side of the outer side of the valve body (1) and located on the first electromagnet coil (14).

7. A normally closed high-speed digital switching valve according to claim 1, wherein the stationary core (13) is opposite in magnetic polarity to the movable core (11).