CN208221228U - A kind of numerical control adjustable hydraulic orifice valve - Google Patents
A kind of numerical control adjustable hydraulic orifice valve Download PDFInfo
- Publication number
- CN208221228U CN208221228U CN201820763175.1U CN201820763175U CN208221228U CN 208221228 U CN208221228 U CN 208221228U CN 201820763175 U CN201820763175 U CN 201820763175U CN 208221228 U CN208221228 U CN 208221228U
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- CN
- China
- Prior art keywords
- valve body
- damping hole
- damping
- numerical control
- intercommunicating pore
- Prior art date
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Abstract
The utility model discloses a kind of numerical control adjustable hydraulic orifice valves, including valve body, connection chamber is equipped in the valve body, the upside of the valve body be equipped with be connected to chamber be connected to fixation damping hole, the left side of the valve body is equipped with the linear motor being firmly connected with it, the output shaft of the linear motor, which passes through the side of valve body and is plugged in, is connected to intracavitary, the interior adjustable damping hole for being equipped with and being connected to chamber connection of the valve body, is inserted with the spool being slidably connected with it in the adjustable damping hole.The utility model has the advantage of the good realization damping vibration attenuations of adjustable damper valve energy, compared with the throttling fever phenomenon that single damping pore structure substantially reduces oil liquid；Damping hole inlet outlet pressure differential is by fixing damping hole and adaptive damping hole shared, so orifice size can be designed more relatively large, reduces blocking, can use the engineering machinery to work in the presence of a harsh environment；The tandem compound of fixed damping hole and adaptive damping hole, can expand damping vibration attenuation range.
Description
Technical field
The utility model relates to hydraulic valve technical field more particularly to a kind of numerical control adjustable hydraulic orifice valves.
Background technique
Engineering machinery hydraulic control system works unstable under high voltage variable load behavior.Therefore, setting is needed to hinder in system
Buddhist nun's valve, but existing orifice valve structure type is single, damping hole size is also unable to adjust, and has the following problems: becoming negative first
Occasion is carried, damping hole is to realize damping vibration attenuation in orifice valve, and oil liquid can generate throttling fever phenomenon；Secondly, to realize that damping subtracts
Bestir oneself use, usually design orifice size smaller, oil quality is required high；It is the structure type of third, damping hole and runner, big
The small equal influence to system vibration damping is very big, to adjust damping in many cases to solve jitter problem, but single fixed damping
Hole is difficult to realize.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, such as: existing damping valve arrangement shape
Formula is single, and damping hole size is also unable to adjust, and has the following problems: damping hole is to realize first in varying load occasion, orifice valve
Damping vibration attenuation, oil liquid can generate throttling fever phenomenon；Secondly, for realize damping vibration attenuation function, usually by orifice size design compared with
It is small, oil quality is required high；The influence to system vibration damping such as structure type, size of third, damping hole and runner is very big,
To adjust damping in many cases to solve jitter problem, but a kind of numerical control that single fixed damping hole is difficult to realize, and proposes
Adjustable hydraulic orifice valve.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of numerical control adjustable hydraulic orifice valve, including valve body, the valve body is interior to be equipped with connection chamber, the upside of the valve body
Equipped with the fixation damping hole that is connected to chamber connection, the left side of the valve body is equipped with the linear motor being firmly connected with it, described straight
The output shaft of line motor passes through the side of valve body and is plugged in that connection is intracavitary, be equipped in the valve body and be connected to chamber be connected to it is adjustable
Damping hole, in the adjustable damping hole in be inserted with the spool being slidably connected with it, the spool is equipped with the first intercommunicating pore, institute
It states the first intercommunicating pore to be connected to adjustable damping hole, the right side of the valve body is equipped with the second intercommunicating pore, second intercommunicating pore and valve
The first intercommunicating pore connection on core, the downside of the valve body are equipped with the first connecting plate, and the downside of first connecting plate is equipped with more
A damping device being firmly connected with it, the other end of the damping device are equipped with the second connecting plate being firmly connected with it, institute
The fixed block for being symmetrically arranged with and being firmly connected with it on the downside of the first connecting plate is stated, the two sides of the valve body, which are symmetrically arranged with, to be secured to
The fixed plate of connection covers on the L shape bar through the L shape bar being rotatablely connected with it is equipped on the vertical direction of the fixed plate
It is connected to the position-arresting disk being slidably connected with it, the position-arresting disk is located at the top of fixed plate.
Preferably, the first sealing ring being interference fitted with it is equipped in the fixed damping hole, in second intercommunicating pore
Equipped with the second sealing ring being interference fitted with it.
Preferably, it is equipped with card slot on the left of the spool, the output shaft of the linear motor is plugged in card slot and blocks with it
It connects.
Preferably, the damping device is made of telescopic rod and spring, and the spring is socketed on telescopic rod and slides with it
Dynamic connection.
Preferably, the position-arresting disk is equipped with multiple inserted links being firmly connected with it, the fixation close to the side of fixed plate
The side of plate is equipped with multiple slots with inserted link clamping.
Preferably, the front side of the fixed block be equipped with limiting slot, the side of the L shape bar be plugged in limiting slot and and its
Clamping.
Compared with prior art, the utility model has the beneficial effects that
1. the good realization damping vibration attenuation of adjustable damper valve energy substantially reduces oil liquid compared with single damping pore structure
Throttle fever phenomenon.
2. damping hole inlet outlet pressure differential is by fixing damping hole and adaptive damping hole shared, so orifice size can design
Must be more relatively large, reduce blocking, the engineering machinery to work in the presence of a harsh environment can be used.
3. the tandem compound of fixed damping hole and adaptive damping hole, can expand damping vibration attenuation range.
4. adjusting damping hole size by linear motor band movable valve plug, can be implemented for the feedback of working environment
Fine tuning, reaches automatic control.Linear motor has technology maturation, and description is more, and the linearity is good, and output torque is larger, reliable
Property it is high, control is flexibly accurate, convenient for and the significant advantages such as computer techno-stress interface.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of numerical control adjustable hydraulic orifice valve structural schematic diagram；
Fig. 2 is the structural schematic diagram in Fig. 1 at A.
In figure: 1 valve body, 2 fixed damping holes, 3 first sealing rings, 4 adjustable damping holes, 5 spools, 6 second sealing rings, 7 are directly
Line motor, 8 first connecting plates, 9 damping devices, 10 second connecting plates, 11 fixed blocks, 12 fixed plates, 13L shape bar, 14 position-arresting disks,
15 inserted links.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-2, a kind of numerical control adjustable hydraulic orifice valve, including valve body 1, valve body 1 is interior to be equipped with connection chamber, valve body 1
Upside be equipped with the fixation damping hole 2 that be connected to chamber connection, it is to have due to fixing damping hole 2 that fixed damping hole 2, which is trapezoidal hole,
The runner of certain area gradient can be relieved oil liquid impact flow, and the left side of valve body 1 is equipped with the linear motor 7 being firmly connected with it,
The output shaft of linear motor 7 passes through the side of valve body 1 and is plugged in that connection is intracavitary, be equipped in valve body 1 be connected to that chamber is connected to can
Damping hole 4 is adjusted, the spool 5 being slidably connected with it is inserted in adjustable damping hole, is equipped with card slot on the left of spool 5, linear motor 7
Output shaft is plugged in card slot and is clamped with it, and the stroke of linear motor 7 is only dependent upon the size of control signal, position essence
Degree is not influenced by surge torque, friction moment and reset spring precompression is loaded, and very high position essence can be reached with movable valve plug 5
Degree, spool 5 are equipped with the first intercommunicating pore, and the first intercommunicating pore is connected to adjustable damping hole 4, and the right side of valve body 1 is equipped with the second connection
Hole, the second intercommunicating pore are connected to the first intercommunicating pore on spool 5, be equipped in fixed damping hole 2 be interference fitted with it is first close
Seal 3 is equipped with the second sealing ring 6 being interference fitted with it in second intercommunicating pore, and the downside of valve body 1 is equipped with the first connecting plate 8, the
The downside of one connecting plate 8 is equipped with multiple damping devices 9 being firmly connected with it, and the other end of damping device 9, which is equipped with, to be secured to
Second connecting plate 10 of connection, damping device 9 is made of telescopic rod and spring, spring be socketed on telescopic rod and with its company of sliding
It connects, the downside of the first connecting plate 8 is symmetrically arranged with the fixed block 11 being firmly connected with it, and the two sides of valve body 1 are symmetrically arranged with solid with it
Surely the fixed plate 12 connected, through being equipped with the L shape bar 13 being rotatablely connected with it on the vertical direction of fixed plate 12, fixed block 11
Front side is equipped with limiting slot, and the side of L shape bar 13 is plugged in limiting slot and is clamped with it, by L shape bar 13 and fixed block 11
Limiting slot clamping, so that the first connecting plate 8 be linked together with valve body 1, pass through the damping device 9 on the first connecting plate 8
Damping is carried out to valve body 1 when in use, increases the stability between valve body 1 and pipeline, is socketed with and its company of sliding on L shape bar 13
The position-arresting disk 14 connect, position-arresting disk 14 are located at the top of fixed plate 12, position-arresting disk 14 close to the side of fixed plate 12 be equipped with it is multiple with
Its inserted link 15 being fixedly connected, the side of fixed plate 12 is equipped with multiple slots being clamped with inserted link 15, by position-arresting disk 14
Slot on inserted link 15 and fixed plate 12 is clamped, to limit to L shape bar 13, prevents the rotation of L shape bar 13 from leading to the first company
Fishplate bar 8 and valve body 1 disengage, and influence the damping effect of valve body 1.
In the utility model, when user uses the device, the second connecting plate 10 and extraneous fixture are passed through into spiral shell first
Bolt state connects surely, and then valve body 1 is placed on the first connecting plate 8, rotates L shape bar 13, so that on L shape bar 13 and fixed block 11
Limiting slot clamping, then position-arresting disk 14 is pushed to move towards the direction of fixed plate 12, so that inserted link 15 on position-arresting disk 14 and solid
Slot clamping on fixed board 12, to be limited to L shape bar 13, by the fixation damping hole 2 and the second intercommunicating pore point on valve body 1
It is not connected to extraneous oil pipe, which is connected in series by fixing damping hole 2 and adjustable damping hole 4, combined type damping
Hole will cause pressure difference, in the case where oil cylinder speed determines, can replace throttle valve with combined type damping hole, plays throttling and makees
With having plenty of to reduce impact, for some in order to increase pressure difference, the delay switch of valve is may be implemented in some on control oil circuit
Deng, oil liquid from pipeline enter valve body 1 after by fixed damping hole 2 and adjustable damping hole 4 effect, by electric signal to straight-line electric
Machine 7 is finely adjusted, to be finely adjusted to adjustable damping hole 4, reaches accurate control purpose.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of numerical control adjustable hydraulic orifice valve, including valve body (1), which is characterized in that be equipped with connection in the valve body (1)
Chamber, the upside of the valve body (1) be equipped with the fixation damping hole (2) that be connected to chamber and be connected to, the left side of the valve body (1) is equipped with and it
The linear motor (7) being fixedly connected, the output shaft of the linear motor (7) pass through the side of valve body (1) and are plugged in connection chamber
It is interior, the adjustable damping hole (4) that chamber is connected to is equipped with and be connected in the valve body (1), is inserted in the adjustable damping hole and is slided with it
The spool (5) of dynamic connection, the spool (5) are equipped with the first intercommunicating pore, and first intercommunicating pore and adjustable damping hole (4) are even
Logical, the right side of the valve body (1) is equipped with the second intercommunicating pore, and second intercommunicating pore is connected to the first intercommunicating pore on spool (5),
The downside of the valve body (1) is equipped with the first connecting plate (8), and the downside of first connecting plate (8) is equipped with multiple companies of being secured to
The damping device (9) connect, the other end of the damping device (9) is equipped with the second connecting plate (10) being firmly connected with it, described
The fixed block (11) being firmly connected with it is symmetrically arranged on the downside of first connecting plate (8), the two sides of the valve body (1) are symmetrically arranged with
The fixed plate (12) being firmly connected with it, through being equipped with the L shape being rotatablely connected with it on the vertical direction of the fixed plate (12)
Bar (13) is socketed with the position-arresting disk (14) being slidably connected with it on the L shape bar (13), and the position-arresting disk (14) is located at fixed plate
(12) top.
2. a kind of numerical control adjustable hydraulic orifice valve according to claim 1, which is characterized in that the fixed damping hole
(2) the first sealing ring (3) for being interference fitted with it is equipped in, be equipped in second intercommunicating pore be interference fitted with it is second close
Seal (6).
3. a kind of numerical control adjustable hydraulic orifice valve according to claim 1, which is characterized in that on the left of the spool (5)
Equipped with card slot, the output shaft of the linear motor (7) is plugged in card slot and is clamped with it.
4. a kind of numerical control adjustable hydraulic orifice valve according to claim 1, which is characterized in that the damping device (9)
It is made of telescopic rod and spring, the spring is socketed on telescopic rod and is slidably connected with it.
5. a kind of numerical control adjustable hydraulic orifice valve according to claim 1, which is characterized in that the position-arresting disk (14) is leaned on
The side of nearly fixed plate (12) is equipped with multiple inserted links (15) being firmly connected with it, and the side of the fixed plate (12) is equipped with multiple
With the slot of inserted link (15) clamping.
6. a kind of numerical control adjustable hydraulic orifice valve according to claim 1, which is characterized in that the fixed block (11)
Front side is equipped with limiting slot, and the side of the L shape bar (13) is plugged in limiting slot and is clamped with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820763175.1U CN208221228U (en) | 2018-05-22 | 2018-05-22 | A kind of numerical control adjustable hydraulic orifice valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820763175.1U CN208221228U (en) | 2018-05-22 | 2018-05-22 | A kind of numerical control adjustable hydraulic orifice valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208221228U true CN208221228U (en) | 2018-12-11 |
Family
ID=64509685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820763175.1U Expired - Fee Related CN208221228U (en) | 2018-05-22 | 2018-05-22 | A kind of numerical control adjustable hydraulic orifice valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208221228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116857313A (en) * | 2023-09-01 | 2023-10-10 | 中国科学院长春光学精密机械与物理研究所 | Damping-adjustable vibration-damping energy-consuming mechanism |
-
2018
- 2018-05-22 CN CN201820763175.1U patent/CN208221228U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116857313A (en) * | 2023-09-01 | 2023-10-10 | 中国科学院长春光学精密机械与物理研究所 | Damping-adjustable vibration-damping energy-consuming mechanism |
| CN116857313B (en) * | 2023-09-01 | 2023-11-14 | 中国科学院长春光学精密机械与物理研究所 | Damping-adjustable vibration-damping energy-consuming mechanism |
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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: 20181211 Termination date: 20190522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |