CN221033981U - Internal balance direct-acting electromagnetic valve - Google Patents
Internal balance direct-acting electromagnetic valve Download PDFInfo
- Publication number
- CN221033981U CN221033981U CN202322864742.6U CN202322864742U CN221033981U CN 221033981 U CN221033981 U CN 221033981U CN 202322864742 U CN202322864742 U CN 202322864742U CN 221033981 U CN221033981 U CN 221033981U
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- iron core
- sealing
- push rod
- flow channel
- flow passage
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- 238000007789 sealing Methods 0.000 claims abstract description 84
- 230000003068 static effect Effects 0.000 claims abstract description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 65
- 230000005389 magnetism Effects 0.000 claims description 15
- 239000012530 fluid Substances 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses an internal balance direct-acting electromagnetic valve, which comprises: the valve body is of a T-shaped structure, a flow channel A, a flow channel B and a flow channel C are respectively arranged at three ends of the valve body, the axis of the flow channel A is collinear or dislocated with the axis of the flow channel B, and the axis of the flow channel C is perpendicular to the axes of the flow channel A and the flow channel B; the valve core is coaxially and slidably arranged in the flow channel C, is used for controlling the on-off of the flow channel A and the flow channel B, and is provided with a dynamic sealing unit, a static sealing unit and a balancing unit; and the electromagnetic control unit is arranged at the top of the flow channel C, the top of the valve core is arranged in the electromagnetic control unit in a sliding manner, and the electromagnetic control unit is used for controlling the valve core to slide along the axial direction of the flow channel C. The valve core is provided with the balance unit, so that the upper end and the lower end of the valve core are subjected to a small amount of force of difference between the upper area and the lower area, and the force generated by the small amount of difference between the area is not generated or generated under the action of fluid pressure.
Description
Technical Field
The utility model relates to the technical field of electromagnetic valves, in particular to an internal balance direct-acting electromagnetic valve which can be used in fluid media such as waterways, oil ways, gas ways and the like.
Background
The piston part of the electromagnetic valve is used for blocking the outlet of the electromagnetic valve, a through balance channel is arranged in the piston part, and the switching valve is stable under the condition of low pressure difference. However, when the valve is used for sealing high-pressure fluid, if an unbalanced structure is adopted, because the pressure generates larger thrust, larger electromagnetic force is needed to push the valve core, so that the push rod works. Or by using a spring sealing scheme, the pretightening force of the spring is determined by the fluid pressure and the area of a sealing opening, so that a large electromagnetic force is needed to overcome the spring force. Particularly for solenoid valves controlling flow, a larger opening diameter is required, resulting in a further increase in thrust. This in turn results in the need for larger currents and larger coil designs, resulting in increased cost, size, and power consumption, while reliability drops dramatically due to the increased size and current.
For the above reasons, the present utility model provides an internal balance direct-acting solenoid valve.
Disclosure of utility model
The utility model aims to provide an internal balance direct-acting electromagnetic valve to solve the problems in the prior art, in particular to the use of a balance structure, the arrangement of springs under the use of the balance structure and the application of a dynamic sealing structure.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides an internal balance direct-acting electromagnetic valve, comprising:
The valve body is of a T-shaped structure, a flow passage A, a flow passage B and a flow passage C are respectively arranged at three ends of the valve body, the axis of the flow passage A is collinear or staggered with the axis of the flow passage B, and the axis of the flow passage C is perpendicular to the axis of the flow passage A and the axis of the flow passage B or is perpendicular to the axis of the flow passage B in a staggered manner;
The valve core is coaxially and slidably arranged in the flow channel C, is used for controlling the on-off of the flow channel A and the flow channel B, and is provided with a dynamic sealing unit, a static sealing unit and a balancing unit;
The electromagnetic control unit is arranged at the top of the flow channel C, the top of the valve core is slidably arranged in the middle of the electromagnetic control unit, and the electromagnetic control unit is used for controlling the valve core to slide along the axial direction of the flow channel C.
According to the internal balance direct-acting electromagnetic valve provided by the utility model, the valve core comprises a static iron core fixedly connected to the top end of a runner C, a sealing push rod is slidably connected to the center position of the static iron core, the sealing push rod is arranged between the runner A and the runner B and is used for controlling the on-off between the runner A and the runner B, a movable iron core is fixedly connected to the top end of the valve core, the movable iron core is slidably arranged on the electromagnetic control unit, a spring is fixedly connected between the top end of the static iron core and the bottom end of the movable iron core, and the spring is sleeved on the outer wall of the sealing push rod; the sealing push rod and the movable iron core are respectively provided with the balance unit, and the outer wall of the sealing push rod is provided with the movable sealing unit.
According to the internal balance direct-acting electromagnetic valve provided by the utility model, the balance unit comprises balance holes respectively formed in the seal push rod and the movable iron core, the balance holes in the seal push rod and the movable iron core are respectively formed along the axis of the seal push rod and the axis of the movable iron core, and the bottoms of the balance holes in the seal push rod are communicated with the flow passage A and the flow passage B.
According to the internal balance direct-acting electromagnetic valve provided by the utility model, the dynamic sealing unit comprises the sealing ring, the sealing push rod is provided with the annular groove, the sealing ring is arranged in the annular groove, and the sealing ring is in interference fit with the annular groove.
According to the internal balance direct-acting electromagnetic valve provided by the utility model, the electromagnetic control unit comprises the magnetic conduction sheet fixedly arranged at the top end of the flow channel C, the magnetic conduction sheet is of an annular structure, the top end of the magnetic conduction sheet is fixedly connected with the magnetic isolation sleeve, the movable iron core is slidably arranged in the magnetic isolation sleeve, the outer wall of the magnetic isolation sleeve is sleeved with the shell, the coil is arranged between the inner wall of the shell and the outer wall of the magnetic isolation sleeve, and the bottom of the shell is fixedly connected with the top of the magnetic conduction sheet.
According to the internal balance direct-acting electromagnetic valve provided by the utility model, the static sealing unit comprises the mounting groove formed in the outer wall of the static iron core, and the mounting groove is internally provided with the sealing ring, and the sealing ring is positioned between the outer wall of the static iron core and the inner wall of the magnetism isolating sleeve.
According to the internal balance direct-acting electromagnetic valve provided by the utility model, the bottom of the sealing push rod is provided with the sealing rubber gasket.
According to the internal balance direct-acting electromagnetic valve provided by the utility model, the center of the top end of the static iron core is provided with the groove, and the spring is fixedly connected in the groove.
The utility model discloses the following technical effects:
According to the utility model, the electromagnetic control unit controls the on-off between the flow channel A and the flow channel B by sliding the on-off magnetic control valve core along the axis of the flow channel C. The balance unit is arranged to enable the upper end and the lower end of the valve core to bear a small amount of force of difference between the upper area and the lower area, so that the force generated by the small difference between the upper area and the lower area is not generated or generated under the action of water pressure or air pressure. The valve core can realize low friction under the condition of poor air or lubrication condition through the arrangement of the sealing unit, and can realize sealing.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the internal balance direct-acting solenoid valve (on state) according to the present utility model;
FIG. 2 is a schematic diagram of the structure of the balanced direct-acting solenoid valve (open state) of the present utility model;
fig. 3 is a schematic structural diagram of embodiment 2 (on state) of the present utility model;
fig. 4 is a schematic structural view of embodiment 2 (off state) of the present utility model.
Wherein, 1, magnetism isolating sleeve; 2. a housing; 3. a movable iron core; 4. a spring; 5. a coil; 6. a seal ring; 7. sealing the push rod; 8. a stationary core; 9. magnetic conductive sheets; 10. a seal ring; 11. and a valve body.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Example 1:
Referring to fig. 1-2, the present utility model provides an internal balance direct acting solenoid valve comprising:
The valve body 11 is of a T-shaped structure, the three ends of the valve body 11 are respectively provided with a flow channel A, a flow channel B and a flow channel C, the axis of the flow channel A is collinear with or staggered with the axis of the flow channel B, and the axis of the flow channel C is vertical to or staggered with the axes of the flow channel A and the flow channel B;
The valve core is coaxially and slidably arranged in the flow channel C, is used for controlling the on-off of the flow channel A and the flow channel B, and is provided with a dynamic sealing unit, a static sealing unit and a balancing unit;
And the electromagnetic control unit is arranged at the top of the flow channel C, the top of the valve core is arranged in the middle of the electromagnetic control unit in a sliding manner, and the electromagnetic control unit is used for controlling the valve core to slide along the axial direction of the flow channel C.
The valve core comprises a static iron core 8 fixedly connected to the top end of a runner C, a sealing push rod 7 is slidably connected to the center of the static iron core 8, the sealing push rod 7 is of a stepped structure, the sealing push rod 7 is arranged between a runner A and a runner B and is used for controlling on-off between the runner A and the runner B, a movable iron core 3 is fixedly connected to the top end of the valve core, the movable iron core 3 is slidably arranged on an electromagnetic control unit, a spring 4 is fixedly connected between the top end of the static iron core 8 and the bottom end of the movable iron core 3, and the spring 4 is sleeved on the outer wall of the sealing push rod 7; the sealing push rod 7 and the movable iron core 3 are respectively provided with a balance unit, and the outer wall of the sealing push rod 7 is provided with a movable sealing unit.
The sealing push rod 7 is of a step-shaped structure, the step on the sealing push rod is in stability of the push rod due to the step-shaped design, the step on the sealing push rod is matched with the middle hole in size, the upper stress area and the lower stress area of the push rod are identical or slightly different, and therefore no extra force or little extra force is generated.
Meanwhile, the spring 4 is placed on the sealing push rod 7, the top end of the sealing push rod 7 adopts a conical structure design, and meanwhile, the spring 4 can be arranged between the movable iron core and the static iron core 8, but the spring is not required to be connected with the static iron core 8, so that the assembly requirement is reduced.
Further optimizing scheme, balanced unit is including seting up the balanced hole on sealed push rod 7, moving iron core 3 respectively, and sealed push rod 7, moving the balanced hole on the iron core 3 and seting up along sealed push rod 7's axis, moving the axis of iron core 3 respectively, and the bottom and the runner A of balanced hole on the sealed push rod 7, runner B intercommunication.
The liquid in the flow channel A enters the flow channel and the top end of the static iron core 8 through the arrangement of the balance holes, so that the two ends of the sealing push rod 7 are subjected to the same or similar force, and the force generated by little area difference is not generated or generated under the action of water pressure or air pressure.
According to a further optimized scheme, the dynamic sealing unit comprises a sealing ring 10, an annular groove is formed in the sealing push rod 7, the sealing ring 10 is arranged in the annular groove, and the sealing ring 10 is in interference fit with the annular groove.
The sealing unit is arranged such that the sealing pushrod 7 can achieve low friction under poor air or lubrication conditions, while sealing can be achieved.
Further optimizing scheme, electromagnetic control unit is including fixed the magnetic conduction piece 9 that sets up on runner C top, and magnetic conduction piece 9 is annular structure, and the top fixedly connected with of magnetic conduction piece 9 separates magnetism cover 1, moves iron core 3 and slides and set up in separating magnetism cover 1, separates magnetism cover 1 outer wall cover and is equipped with casing 2, is provided with coil 5 between casing 2 inner wall and the magnetism cover 1 outer wall, casing 2 bottom and magnetic conduction piece 9 top fixed connection.
Further optimizing scheme, the static seal unit is including seting up the mounting groove at quiet iron core 8 outer wall, is provided with sealing ring 10 in the mounting groove, and sealing ring 10 is located between quiet iron core 8 outer wall and magnetism isolating sleeve 1 inner wall.
Further optimizing scheme, the bottom of sealing push rod 7 is provided with sealed cushion.
Further optimizing scheme, the fixed iron core 8 top central point puts and sets up flutedly, and spring 4 fixed connection is in the recess.
In the utility model, the following components are added:
1. the design of the sealing push rod 7 is adopted to realize the balance of two ends;
2. The dynamic sealing unit and the static sealing unit are matched, so that low friction can be realized under the condition of poor air or lubrication condition, and sealing can be realized.
3. The unique spring structural design places the spring on the push rod, adopts the toper structural design, and the spring can be arranged between the sound iron core simultaneously, but need not be connected with quiet iron core, reduces the assembly demand.
4. The dynamic sealing unit integrates sealing materials on the push rod, so that the sealing reliability is improved.
5. The push rod adopts the step design, and the step is for the stability of push rod above, and the step realization and the middle hole size cooperation below ensure that two atress areas are the same or a little difference about the push rod to can not produce extra power or a little extra power.
Example 2:
Referring to fig. 3-4, in this embodiment, unlike embodiment 1, the movable iron core 3 is used to replace the sealing push rod 7, the static iron core 8 is fixedly connected in the magnetism isolating sleeve 1 at the top end of the runner C, the guide ring is fixed in the runner C, the movable iron core 3 is slidingly connected in the guide ring, the sealing between the runner a and the runner B is achieved through the movable iron core 3, the spring 4 is sleeved on the outer wall of the movable iron core 3, the movable iron core 3 is reset through the spring 4, the top magnetic control device controls the static iron core 8 to attract the movable iron core 3 to slide through on-off magnetism, so that the runners a and the runner B are communicated, after the magnetism is off, the movable iron core 3 and the static iron core 8 are separated under the action of the spring 4, the channel between the runner a and the runner B is closed, wherein the spring 4 can be sleeved on the outer wall of the movable iron core 3, one end of the spring is fixed with the guide ring, the other end of the spring is fixed with the bottom of the movable iron core 3, or between the movable iron core 3 and the static iron core 8, a balance hole is formed in the middle of the movable iron core 3, and is used for balancing external liquid or gas acting force or small area generated by difference applied on the top part of the movable iron core 3, and small area generated by the liquid or gas pressure is kept.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (8)
1. An internal balance direct-acting solenoid valve, comprising:
The valve comprises a valve body (11), wherein the valve body (11) is of a T-shaped structure, a flow passage A, a flow passage B and a flow passage C are respectively arranged at three ends of the valve body (11), the axis of the flow passage A is collinear or staggered with the axis of the flow passage B, and the axis of the flow passage C is vertical or staggered with the axis of the flow passage A and the axis of the flow passage B;
The valve core is coaxially and slidably arranged in the flow channel C, the valve core is used for controlling the on-off of the flow channel A and the flow channel B, and a dynamic sealing unit, a static sealing unit and a balancing unit are arranged on the valve core;
The electromagnetic control unit is arranged at the top of the flow channel C, the top of the valve core is slidably arranged in the middle of the electromagnetic control unit, and the electromagnetic control unit is used for controlling the valve core to slide along the axial direction of the flow channel C.
2. An internal balance direct-acting solenoid valve according to claim 1, wherein: the valve core comprises a static iron core (8) fixedly connected to the top end of a runner C, a sealing push rod (7) is slidably connected to the center of the static iron core (8), the sealing push rod (7) is of a stepped structure, the sealing push rod (7) is arranged between the runner A and the runner B and used for controlling on-off between the runner A and the runner B, a movable iron core (3) is fixedly connected to the top end of the valve core, the movable iron core (3) is slidably arranged on the electromagnetic control unit, a spring (4) is fixedly connected between the top end of the static iron core (8) and the bottom end of the movable iron core (3), and the spring (4) is sleeved on the outer wall of the sealing push rod (7); the balance unit is arranged on the sealing push rod (7) and the movable iron core (3) respectively, and the movable sealing unit is arranged on the outer wall of the sealing push rod (7).
3. An internal balance direct-acting solenoid valve according to claim 2, wherein: the balance unit comprises balance holes respectively formed in the sealing push rod (7) and the movable iron core (3), the balance holes in the sealing push rod (7) and the movable iron core (3) are respectively formed along the axis of the sealing push rod (7) and the axis of the movable iron core (3), and the bottoms of the balance holes in the sealing push rod (7) are communicated with the flow passage A and the flow passage B.
4. An internal balance direct-acting solenoid valve according to claim 2, wherein: the dynamic sealing unit comprises a sealing ring (10), an annular groove is formed in the sealing push rod (7), the sealing ring (10) is arranged in the annular groove, and the sealing ring (10) is in interference fit with the annular groove.
5. An internal balance direct-acting solenoid valve according to claim 2, wherein: the electromagnetic control unit is in including fixed setting magnetic conduction piece (9) on runner C top, magnetic conduction piece (9) are annular structure, the top fixedly connected with of magnetic conduction piece (9) separates magnetism cover (1), it is in to move iron core (3) slip setting separate magnetism cover (1), it is equipped with casing (2) to separate magnetism cover (1) outer wall cover, casing (2) inner wall with separate and be provided with coil (5) between magnetism cover (1) outer wall, casing (2) bottom with magnetic conduction piece (9) top fixed connection.
6. The internal balance direct-acting solenoid valve of claim 5, wherein: the static sealing unit comprises a mounting groove formed in the outer wall of the static iron core (8), a sealing ring (10) is arranged in the mounting groove, and the sealing ring (10) is located between the outer wall of the static iron core (8) and the inner wall of the magnetism isolating sleeve (1).
7. An internal balance direct-acting solenoid valve according to claim 2, wherein: the bottom of the sealing push rod (7) is provided with a sealing rubber cushion.
8. An internal balance direct-acting solenoid valve according to claim 2, wherein: the center of the top end of the static iron core (8) is provided with a groove, and the spring (4) is fixedly connected in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322864742.6U CN221033981U (en) | 2023-10-25 | 2023-10-25 | Internal balance direct-acting electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322864742.6U CN221033981U (en) | 2023-10-25 | 2023-10-25 | Internal balance direct-acting electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221033981U true CN221033981U (en) | 2024-05-28 |
Family
ID=91169979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322864742.6U Active CN221033981U (en) | 2023-10-25 | 2023-10-25 | Internal balance direct-acting electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221033981U (en) |
-
2023
- 2023-10-25 CN CN202322864742.6U patent/CN221033981U/en active Active
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