CN208816803U - A kind of high pressure needle point sealing structure - Google Patents
A kind of high pressure needle point sealing structure Download PDFInfo
- Publication number
- CN208816803U CN208816803U CN201821343710.4U CN201821343710U CN208816803U CN 208816803 U CN208816803 U CN 208816803U CN 201821343710 U CN201821343710 U CN 201821343710U CN 208816803 U CN208816803 U CN 208816803U
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- China
- Prior art keywords
- needle point
- high pressure
- hard
- valve body
- sealing structure
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Abstract
The utility model discloses a kind of high pressure needle point sealing structures, including solenoid valve body component and control assembly, the solenoid valve body component includes valve body, intake tunnel, exhalant canal, piston ball, receiving column, communicating passage, and the inside of the valve body offers the intake tunnel and the exhalant canal；Mutual cooperation between the hard needle point and the needle stand, and the tail of the hard needle point is much larger than the circular hole space of the needle stand, guarantee hard needle point under simple abrasion, still firmly the hole of the needle stand can be blocked, cavity is opened up in the inside of the dynamic iron core, the inside of cavity contains the damping spring and the hard needle point, abrasion when so as to reduce the hard needle point and needle stand collision, to which two aspects can cause original circular seal device the defect not being adapted to after abrasion more to give up during being used for a long time, it avoids not being adapted to caused by abrasion.
Description
Technical field
The utility model belongs to Solenoid Valve Technology field more particularly to a kind of high pressure needle point sealing structure.
Background technique
Solenoid valve is electromagnetically controlled industrial equipment, is the automatic foundamental element for controlling fluid, belongs to execution
Device, however it is not limited to it is hydraulic, pneumatic, direction, flow, speed and the other parameters of medium are adjusted in industrial control system,
Solenoid valve can cooperate different circuits to realize expected control, and the precision and flexibility that control can guarantee, electromagnetism
There are many kinds of valves, and different solenoid valves plays a role in the different location of control system, the most commonly used is check valve, safety valve,
Directional control valve, speed-regulating valve etc..
The solenoid valve of pilot-operated type currently on the market uses the sealing structure of sphere type in sealing, but spheroidal is close
Over time, abrasion causes ball not to be adapted to original structure to seal structure, causes to leak, causes electromagnetism valve closure not
Tightly.
Utility model content
The utility model provides a kind of high pressure needle point sealing structure, it is intended to which the solenoid valve for solving pilot-operated type uses in sealing
The sealing structure of sphere type, but the sealing structure of spheroidal is over time, abrasion leads to ball and original structure
It is not adapted to, causes to leak, cause the problem of solenoid valve bad sealing reality.
The utility model is realized in this way a kind of high pressure needle point sealing structure, including solenoid valve body component and control
Component, the solenoid valve body component includes valve body, intake tunnel, exhalant canal, piston ball, accommodates column, communicating passage, described
The inside of valve body offers the intake tunnel and the exhalant canal, and the piston ball is for cutting off the intake tunnel and institute
The connection between exhalant canal is stated, the receiving column is fixedly connected on the piston ball, and the receiving column is located at the piston ball
Outside, the communicating passage is connected with the intake tunnel, and the control assembly includes coil, high pressure without magnetic tube, hard
Needle point, needle stand, pilot hole and damping spring and dynamic iron core, the coil are fixedly connected on the valve body, and the coil is located at institute
The inside of valve body is stated, the high pressure is fixedly connected on the coil without magnetic tube, and the high pressure is located in the coil without magnetic tube
Portion, the hard needle point are slidably connected to the high pressure without magnetic tube, and the hard needle point is located inside of the high pressure without magnetic tube,
The needle stand is adapted with the hard needle point, and the needle stand is located at the lower section of the hard needle point, the pilot hole and institute
It states communicating passage to be connected, the hard needle point is slidably connected to the front end of the dynamic iron core, and the damping spring is located at described
It the inside of dynamic iron core and is mutually fixedly connected with the hard needle point.
Preferably, the hard needle point is sticked in the needle stand, and the diameter of the hard needle point is greater than the hole of the needle stand
Diameter.
Preferably, the circular hole of the needle stand is set as funnel-form, and the needle stand is set as sealing ring.
Preferably, the inside of the dynamic iron core offers cavity, and the hard needle point and the damping spring are contained in
In cavity.
Preferably, the inside of the solenoid valve body component is also provided with connection storehouse, the intake tunnel and the water outlet
It is connected between channel by the connection storehouse, the valve port in the connection storehouse is provided with the piston ball.
Preferably, the end face of the receiving column is equipped with spring, and lateral surface is provided with sealing ring.
Preferably, the diameter of the receiving column is identical as the connection internal diameter in storehouse, and the receiving column is slidably connected to
The connection storehouse.
Preferably, the dynamic iron core is located inside of the high pressure without magnetic tube, and the axis along the high pressure without magnetic tube is sliding
It moves.
Compared with prior art, the utility model has the beneficial effects that a kind of high pressure needle point of the utility model seals knot
Structure, by the mutual cooperation being arranged between the hard needle point and the needle stand, and the tail of the hard needle point is much larger than described
The circular hole space of needle stand guarantees that hard needle point under simple abrasion, still can firmly block the hole of the needle stand,
The inside of the dynamic iron core opens up cavity, and the inside of cavity contains the damping spring and the hard needle point, so as to
Reduce the abrasion when hard needle point and needle stand collision, so that two aspects can exist original circular seal device
It causes the defect not being adapted to after abrasion more to give up during being used for a long time, avoids not being adapted to caused by abrasion, extend entire electricity
The service life of magnet valve improves the practicability of solenoid valve.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the hard tip portion and needle hub connecting structures schematic diagram of the utility model；
Fig. 3 is the hard needle point and needle stand structure schematic diagram of the utility model；
In figure: 1- solenoid valve body component, 11- valve body, 12- intake tunnel, 13- exhalant canal, 14- piston ball, 15- are received
Rong Zhu, 16- communicating passage, 2- control assembly, 21- coil, 22- high pressure are without magnetic tube, 23- hard needle point, 24- needle stand, 25- guide
Hole, 26- damping spring, 27- dynamic iron core.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.In addition, the meaning of " plurality " is two or more in the description of the present invention, unless separately
There is clearly specific restriction.
It please refers to Fig.1 to Fig.3, the utility model provides a kind of technical solution: a kind of high pressure needle point sealing structure, including electricity
Magnet valve body assembly 1 and control assembly 2, solenoid valve body component 1 include valve body 11, intake tunnel 12, exhalant canal 13, piston
Ball 14, receiving column 15, communicating passage 16, the inside of valve body 11 offer intake tunnel 12 and exhalant canal 13, and piston ball 14 is used
Connection between cutting intake tunnel 12 and exhalant canal 13, receiving column 15 are fixedly connected on piston ball 14, accommodate 15, column
In the outside of piston ball 14, communicating passage 16 is connected with intake tunnel 12, and control assembly 2 includes coil 21, high pressure without magnetic tube
22, hard needle point 23, needle stand 24, pilot hole 25 and damping spring 26 and dynamic iron core 27, coil 21 are fixedly connected on valve body 11, line
Circle 21 is located at the inside of valve body 11, and high pressure is fixedly connected on coil 21 without magnetic tube 22, and high pressure is located in coil 21 without magnetic tube 22
Portion, hard needle point 23 are slidably connected to high pressure without magnetic tube 22, and hard needle point 23 is located inside of the high pressure without magnetic tube 22, needle stand 24 with
Hard needle point 23 is adapted, and needle stand 24 is located at the lower section of hard needle point 23, and pilot hole 25 is connected with communicating passage 16, hard
Needle point 23 is slidably connected to the front end of dynamic iron core 27, and damping spring 26 is located at the inside of dynamic iron core 27 and mutually consolidates with hard needle point 23
Fixed connection.
In the present embodiment, it can be avoided size caused by after ball is worn not instead of ball using hard needle point 23
The problem of adaptation, the aperture much larger than needle stand 24 of hard needle point 23 avoid abrasion so that hard needle point 23 is less than needle stand 24
Circular hole, cause not to be adapted to, the problem of poor sealing, 23 rear end of hard needle point is provided with damping spring 26, so that hard needle
, can be to avoid direct hard collision when point 23 is that needle stand 24 blocks, there are one section of bufferings, alleviate abrasion.
In the present embodiment, when in use, it being powered first to coil 21, coil 21, which is powered, generates Lorentz force,
Drive dynamic iron core 27 in high pressure without moving up in magnetic tube 22 under the action of Lorentz force, to drive hard needle point 23 to move up and leave
Needle stand 24 so that pilot hole 25 is communicated with the cavity of top, and then water flow is reached from intake tunnel 12 by communicating passage 16
Pilot hole 25, it is uneven hence into the pressure and lower section pressure for into cavity, leading to 14 top of piston ball, and the pressure of top
Less than the pressure of lower section, the water of lower section pushes piston ball 14 to move up, and then valve is opened, 13 phase of intake tunnel 12 and exhalant canal
Logical, the enough normal circulations of water energy, when power is off, dynamic iron core 27 moves down under the action of self-weight, blocks again by hard needle point 23
Firmly needle stand 24, the connection between cutting top and pilot hole 25.
Further, hard needle point 23 is clamped and is jammed in needle stand 24, and the diameter of hard needle point 23 is much larger than needle stand 24
Aperture.
In the present embodiment, it is blocked in the circular hole of needle stand 24 by the way that hard needle point 23 is arranged, it can be close by needle stand 24
Envelope, and then the cavity of top and the pilot hole of lower section 25 are separated, prevent the water flow of lower section from revealing to top, upper also for realization,
The pressure equilibrium of lower part.
Further, the circular hole of needle stand 24 is set as funnel-form, and needle stand 24 is set as sealing ring.
It in the present embodiment, can be suitable with 23 phase of hard needle point at tip by the way that funnelform 24 circular hole of needle stand is arranged
Match, so that sealing is even closer, and will not be susceptible to wear, and the sealing ring that is set as of needle stand 24 is easy to use
The installation of person, and also for the cylindrical storehouse inside cooperation.
Further, the inside of dynamic iron core 27 offers cavity, and hard needle point 23 and damping spring 26 are contained in cavity
In.
It in the present embodiment, can be to hard needle point 23 and damping by offering cavity in the inside of dynamic iron core 27
Spring 26 accommodates portion therein, plays the role of protection and storage, hard needle point 23, which is resisted in the inside of cavity by spring, to be caused
It when being that needle stand 24 is adapted to, squeezes damping spring 26 and bounces back, when leaving needle stand 24, damping spring 26 upholds expansion.
Further, the inside of solenoid valve body component 1 is also provided with connection storehouse, and intake tunnel 12 and exhalant canal 13 are logical
The connection of connection storehouse is crossed, the valve port for being connected to storehouse is provided with piston ball 14.
In the present embodiment, intake tunnel 12 can be connected to exhalant canal 13 by setting connection storehouse, thus
The proper flow for guaranteeing water flow, is also convenient for partition of the solenoid valve to water flow, and setting piston ball 14 is used at the valve in connection storehouse
Intake tunnel 12 and exhalant canal 13 are separated, realize the purpose of partition.
Further, the one end for accommodating column 15 is provided with spring, and lateral surface is provided with sealing ring.
In the present embodiment, by being provided with spring in one end of receiving column 15, receiving column 15 is pushed to move down, and then will
The piston ball 14 of receiving 15 front end of column is against at the valve in connection storehouse, and valve is blocked, and then by intake tunnel 12 and is gone out
Aquaporin 13 separates, and realizes the purpose of solenoid valve partition, and the lateral wall of receiving column 15 is provided with sealing ring and is used to prevent water flow
Upper edge, separated also for by upper and bottom section.
Further, the diameter for accommodating column 15 is identical as the connection internal diameter in storehouse, and accommodates column 15 and be slidably connected to connection storehouse.
In the present embodiment, the internal diameter for being connected to storehouse by the diameter box of setting receiving column 15 is identical, so as to connect
It is closed inside logical storehouse, so that connection storehouse is divided into two parts up and down, receiving column 15 is in the internal slide for being connected to storehouse, thus right
The switch of exhalant canal 13 and intake tunnel 12 is controlled.
The working principle and process for using of the utility model: after the utility model installs, coil 21 is carried out first
It being powered, coil 21, which is powered, generates Lorentz force, and drive under the action of Lorentz force dynamic iron core 27 in high pressure without moving up in magnetic tube 22,
To driving hard needle point 23 to move up and leave needle stand 24 so that pilot hole 25 is communicated with the cavity of top, and then by water flow from
Intake tunnel 12 reaches pilot hole 25 by communicating passage 16, hence into the pressure for into cavity, leading to 14 top of piston ball
It is uneven with lower section pressure, and the pressure of top is less than the pressure of lower section, the water of lower section pushes piston ball 14 to move up, and then valve
It opens, intake tunnel 12 and exhalant canal 13 communicate, the enough normal circulations of water energy, when power is off, effect of the dynamic iron core 27 in self weight
Under move down, again block column needle stand 24, cutting top pilot hole 25 between connection.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (8)
1. a kind of high pressure needle point sealing structure, which is characterized in that
Including solenoid valve body component (1) and control assembly (2), the solenoid valve body component (1) includes valve body (11), water inlet
Channel (12), exhalant canal (13), piston ball (14), receiving column (15), communicating passage (16), the inside of the valve body (11) is opened
Equipped with the intake tunnel (12) and the exhalant canal (13), the piston ball (14) is for cutting off the intake tunnel (12)
Connection between the exhalant canal (13), the receiving column (15) are fixedly connected on the piston ball (14), the receiving
Column (15) is located at the outside of the piston ball (14), and the communicating passage (16) is connected with the intake tunnel (12),
The control assembly (2) includes coil (21), high pressure without magnetic tube (22), hard needle point (23), needle stand (24), pilot hole
(25) and damping spring (26) and dynamic iron core (27), the coil (21) are fixedly connected on the valve body (11), the coil
(21) it is located at the inside of the valve body (11), the high pressure is fixedly connected on the coil (21), the high pressure without magnetic tube (22)
No magnetic tube (22) is located at the inside of the coil (21), and the hard needle point (23) is slidably connected to the high pressure without magnetic tube
(22), the hard needle point (23) is located inside of the high pressure without magnetic tube (22), the needle stand (24) and the hard needle point
(23) it is adapted, and the needle stand (24) is located at the lower section of the hard needle point (23), the pilot hole (25) is connected to described
Channel (16) is connected, and the hard needle point (23) is slidably connected to the front end of the dynamic iron core (27), the damping spring
(26) it is located at the inside of the dynamic iron core (27) and is mutually fixedly connected with the hard needle point (23).
2. high pressure needle point sealing structure as described in claim 1, which is characterized in that
The hard needle point (23) is sticked in the needle stand (24), and the diameter of the hard needle point (23) is greater than the needle stand (24)
Aperture.
3. high pressure needle point sealing structure as described in claim 1, which is characterized in that
The circular hole of the needle stand (24) is set as funnel-form, and the needle stand (24) is set as sealing ring.
4. high pressure needle point sealing structure as described in claim 1, which is characterized in that
The inside of the dynamic iron core (27) offers cavity, and the hard needle point (23) and the damping spring (26) are contained in
In cavity.
5. high pressure needle point sealing structure as described in claim 1, which is characterized in that
The solenoid valve body component (1) further includes connection storehouse, the intake tunnel (12) and the exhalant canal (13) it
Between by the connection storehouse be connected to, it is described be connected to storehouse valve port be provided with the piston ball (14).
6. high pressure needle point sealing structure as described in claim 1, which is characterized in that
The end face of receiving column (15) is equipped with spring, and lateral surface is provided with sealing ring.
7. high pressure needle point sealing structure as claimed in claim 5, which is characterized in that
The diameter of receiving column (15) is identical with the connection internal diameter in storehouse, and described in the receiving column (15) is slidably connected to
It is connected to storehouse.
8. high pressure needle point sealing structure as claimed in claim 4, which is characterized in that
The dynamic iron core is located inside of the high pressure without magnetic tube (22), and slides along the high pressure without the axis of magnetic tube (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821343710.4U CN208816803U (en) | 2018-08-15 | 2018-08-15 | A kind of high pressure needle point sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821343710.4U CN208816803U (en) | 2018-08-15 | 2018-08-15 | A kind of high pressure needle point sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208816803U true CN208816803U (en) | 2019-05-03 |
Family
ID=66274000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821343710.4U Expired - Fee Related CN208816803U (en) | 2018-08-15 | 2018-08-15 | A kind of high pressure needle point sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208816803U (en) |
-
2018
- 2018-08-15 CN CN201821343710.4U patent/CN208816803U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190503 Termination date: 20200815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |