CN208417688U - A kind of New Type Proportional valve - Google Patents
A kind of New Type Proportional valve Download PDFInfo
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- CN208417688U CN208417688U CN201820618098.0U CN201820618098U CN208417688U CN 208417688 U CN208417688 U CN 208417688U CN 201820618098 U CN201820618098 U CN 201820618098U CN 208417688 U CN208417688 U CN 208417688U
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Abstract
The utility model relates to mechanical valves parts fields, especially a kind of New Type Proportional valve, including an electromagnetic pilot head, an oil liquid regulating device is equipped in the cavity of electromagnetic pilot head, the oil liquid regulating device includes that an activity is equipped with the dynamic iron intracavitary in the dynamic iron of electromagnetic pilot head, cooperation is equipped with a push rod in the pushrod chamber being connected with dynamic iron bottom of chamber portion, and connection is equipped with a T-type compensated cavity below pushrod chamber, and cooperation clamping is equipped with an oil liquid Oil Guide component in T-type compensated cavity.It can be when not having to disassembly main valve, increase gasket mode by comparative example valve, communicate two communication ports up and down of proportioning valve, and it fast implements to clutch and exports relevant pressure, facilitate fault car emergency traveling to maintenance section, and without dismantling main valve, easy to maintenance, quick construction when repairing.
Description
Technical field
The utility model relates to mechanical valves parts field, especially a kind of New Type Proportional valve.
Background technique
Proportioning valve in industry and engineering machinery using more and more extensive, proportioning valve output pressure usually pass through sensor or
Pressure gauge is detected.Proportioning valve is usually inserted into valve block in practical application, and pressure sensor and pressure tap are needed in valve block
Upper in addition design sensor and pressure gauge pressure tap, this just will increase entire valve volume, under the conditions of installation space is limited,
Increase valve design difficulty.For example, soil-shifting Electrical Control speed change valve, the valve are mounted on transmission internal, installation space is narrow, 5
A gear needs to match 5 proportioning valves and 5 pressure sensors, this makes valve design and manufacture installation difficulty larger.Meanwhile
If electrically-controlled valve breaks down, will lead to complete machine can not work, and must take out speed change valve from transmission internal when maintenance, failure
After investigation just can normal walking be unfavorable for repairing if the position of fault in maintenance section or can not check failure in the short time
And construction safety, it is clear that existing proportioning valve can not more effectively meet the needs of in use process.
Utility model content
A kind of New Type Proportional valve provided by the utility model, the present apparatus is reasonable in design, can not have to disassembly main valve
In the case of, gasket mode is increased by comparative example valve, communicates two communication ports up and down of proportioning valve, and fast implement to clutch
Relevant pressure is exported, without dismantling main valve when facilitating fault car emergency traveling to maintenance section, and repairing, easy to maintenance,
Quick construction more effectively meets the demand that engineering uses, solves problems of the prior art.
Used technical solution is the utility model to solve above-mentioned technical problem: a kind of New Type Proportional valve, including one
Electromagnetic pilot head, is equipped with an oil liquid regulating device in the cavity of electromagnetic pilot head, and the oil liquid regulating device includes an activity
It is equipped with the dynamic iron intracavitary in the dynamic iron of electromagnetic pilot head, cooperation is equipped with one in the pushrod chamber being connected with dynamic iron bottom of chamber portion
Push rod, connection is equipped with a T-type compensated cavity below pushrod chamber, and cooperation clamping is equipped with an oil liquid Oil Guide component in T-type compensated cavity,
The inside of the oil liquid Oil Guide component is connected with the lower end of the push rod；An epicoele is equipped at the top cavity of electromagnetic pilot head
Body is equipped with the pressure detecting mouth with external sensor at the top of upper cavity, and the lower end of the oil liquid Oil Guide component is equipped with pressure
Outlet；The oil liquid Oil Guide component is connected by intermediate oil duct with the upper cavity；It is arranged on the outside of the electromagnetic pilot head
There is coil, the nut to offset equipped with one with coil top is screwed on the lateral wall of the electromagnetic pilot head on coil top.
The oil liquid Oil Guide component includes that a top cooperates the valve pocket being connected in T-type compensated cavity, in the cavity of valve pocket
Cooperation is equipped with the main valve plug of a hollow setting, and a spring, the lower end of the valve pocket are equipped in the valve pocket cavity of main valve plug lower part
For the pressure export, the intracavitary clamping of valve pocket between spring and pressure export is equipped with a circlip for limit；The bullet
The upper end of spring is abutted against with the main valve plug bottom；It is respectively separated from top to bottom on the lateral wall of valve pocket equipped with a connection valve pocket
The proportioning valve drain tap and proportioning valve oil inlet of internal cavities；It is respectively separated from top to bottom on the lateral wall of main valve plug equipped with one
It is connected to the main valve plug drain tap and main valve plug oil inlet of main valve plug internal cavities.
One first sealing ring is equipped in the groove of the upper outside wall of the valve pocket, first sealing ring and T-type are auxiliary
The side wall of chamber upper level chamber is helped to offset.
The pushrod chamber, dynamic iron chamber are connected and are arranged and collectively constitute the centre of connection main valve plug cavity and upper cavity
Oil duct.
An aperture being connected with the T-type compensated cavity is equipped on the main valve plug side wall on main valve plug drain tap top.
Be respectively separated from top to bottom on the lateral wall of the valve pocket set be equipped with one second sealing ring, third sealing ring,
4th sealing ring, second sealing ring, third sealing ring, the 4th sealing ring are used for the portion matched with the valve pocket outside
It is sealed between part.
Sealing state is at the pressure detecting mouth in normal work and seal member is used to detect equipped with described
The external sensor of pressure.
Beneficial effect possessed by the utility model is that the present apparatus is reasonable in design, can not have to disassembly main valve feelings
Under condition, gasket mode is increased by comparative example valve, communicates two communication ports up and down of proportioning valve, and fast implement defeated to clutch
Relevant pressure out facilitates fault car emergency traveling to maintenance section, and without dismantling main valve when repairing, easy to maintenance, apply
Work is quick, more effectively meets the demand that engineering uses, solves problems of the prior art；Therefore, this patent mentions
A kind of novel proportioning valve with pressure measuring function has been supplied to simplify so that sensor and pressure instrumentataion are mountable on proportioning valve
Main valve body design and manufacture difficulty, also facilitate installation and vehicle emergency maintenance.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the utility model.
In figure, 1, nut；2, coil；3, iron is moved；4, electromagnetic pilot head；5, push rod；6, the first sealing ring；7, second
Sealing ring；8, valve pocket；9, main valve plug；10, third sealing ring；11, spring；12, the 4th sealing ring；13, circlip；14, pressure goes out
Mouthful；15, pressure detecting mouth；16, proportioning valve oil inlet；17, proportioning valve drain tap；18, main valve plug oil inlet；19, main valve plug is let out
Hydraulic fluid port；20, aperture；21, T-type compensated cavity.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this reality
It is described in detail with novel.
As shown in fig. 1, a kind of New Type Proportional valve, including an electromagnetic pilot head, are equipped in the cavity of electromagnetic pilot head
One oil liquid regulating device, the oil liquid regulating device include that an activity is equipped with intracavitary dynamic of dynamic iron in electromagnetic pilot head
Iron, cooperation is equipped with a push rod in the pushrod chamber being connected with dynamic iron bottom of chamber portion, and connection is equipped with a T-type and assists below pushrod chamber
Chamber, cooperation clamping is equipped with an oil liquid Oil Guide component, inside and the push rod of the oil liquid Oil Guide component in T-type compensated cavity
Lower end is connected；It is equipped with a upper cavity at the top cavity of electromagnetic pilot head, is equipped with band external sensor at the top of upper cavity
Pressure detecting mouth, external sensor is directly connected to external power supply, mode of communicating using it is existing it is simple it is direct-connected can
To belong to the prior art, the lower end of the oil liquid Oil Guide component is equipped with pressure export；The oil liquid Oil Guide component passes through middle oil
Road is connected with the upper cavity；It is equipped with coil in the electromagnetic pilot head outer sheath, the electromagnetic pilot head on coil top
The nut to offset equipped with one with coil top is screwed on lateral wall；Coil can be connected with external power supply, and mode of communicating uses
Simple direct-connected mode, the part connection type do not have innovative point, and details are not described herein again.
The oil liquid Oil Guide component includes that a top cooperates the valve pocket being connected in T-type compensated cavity, in the cavity of valve pocket
Cooperate the main valve plug for being equipped with a hollow setting, a spring is equipped in the valve pocket cavity of main valve plug lower part, is not having to disassembly and breaking
In the case where electricity, the pretightning force of spring can be changed by increasing gasket at the spring of pressure export, so as to so that pressure
Outlet output relevant pressure, it is easy to adjust quick, in the case where not dismantling entire proportioning valve, by the way that pressure detecting mouth is beaten
It opens, directly system oil can be made quickly to flow to pressure to the system oil of infeed certain pressure inside proportioning valve by pressure detecting mouth
Power exports and guarantees that proportioning valve works normally, and facilitates pressure export caused by emergency processing proportioning valve card valve or apparatus failure can not
The failure of output pressure, the lower end of the valve pocket are the pressure export, the intracavitary card of valve pocket between spring and pressure export
Be equipped with one for limit circlip, spring retainer can be played into fixed effect；The upper end of the spring and the main valve
Core bottom abuts against；The proportioning valve equipped with a connection valve pocket internal cavities is respectively separated from top to bottom on the lateral wall of valve pocket to let out
Hydraulic fluid port and proportioning valve oil inlet；It is respectively separated from top to bottom on the lateral wall of main valve plug equipped with a connection main valve plug internal cavities
Main valve plug drain tap and main valve plug oil inlet.
One first sealing ring is equipped in the groove of the upper outside wall of the valve pocket, first sealing ring and T-type are auxiliary
The side wall of chamber upper level chamber is helped to offset；Sealing ring can play sealing function, can prevent in T-type compensated cavity after oil inlet by
It is flowed out between valve pocket and the inner wall of T-type compensated cavity.
The pushrod chamber, dynamic iron chamber are connected and are arranged and collectively constitute the centre of connection main valve plug cavity and upper cavity
Oil duct；Intermediate oil duct can be circulated in upper cavity for the oil liquid with certain pressure in spool cavity and then and pressure detecting
External pressure sensor at mouthful is in contact.
An aperture being connected with the T-type compensated cavity is equipped on the main valve plug side wall on main valve plug drain tap top, it is main
The oil liquid of valve core inside can flow to T-type compensated cavity, and the oil liquid with certain pressure can act on main valve plug upper outside wall, from
And downward thrust can be generated to main valve plug, the thrust of push rod can be cooperated to form downward resultant force, therefore this feelings at this time
The electromagnetic force needed under condition will be less, therefore the number of turns of required coil is also just less.
Be respectively separated from top to bottom on the lateral wall of the valve pocket set be equipped with one second sealing ring, third sealing ring,
4th sealing ring, second sealing ring, third sealing ring, the 4th sealing ring are used for the portion matched with the valve pocket outside
It is sealed between part.
Sealing state is at the pressure detecting mouth in normal work and seal member is used to detect equipped with described
The external sensor of pressure；External sensor on proportioning valve can be with the output pressure of real-time detection proportioning valve, so as to standard
The working condition of true monitoring proportioning valve.
When proportioning valve no power, the proportioning valve drain tap of valve pocket is closed by main valve plug, the proportioning valve drain tap of valve pocket and master
The main valve plug drain tap of spool is overlapped, and pressure export and proportioning valve drain tap communicate；
When proportioning valve is powered, dynamic iron is moved downward by electromagnetic force, then push rod and main valve plug is pushed to move downward, valve
The proportioning valve oil inlet of set and the main valve plug oil inlet of main valve plug are Chong Die, and the proportioning valve drain tap of main valve plug is closed by valve pocket, are
System oil enters inside main valve plug, from pressure after pressure export output decompression；It is auxiliary that main valve plug internal oil by aperture feeds back to T-type
Help chamber, the most of downward thrust formed by T-type compensated cavity inner fluid of upward hydraulic coupling suffered by main valve plug balances out, and subtracts
Small main valve plug moves downward resistance, and required electromagnetic force is smaller；Oil liquid in most of main valve plug is flowed to by intermediate oil duct
In upper cavity at pressure detecting mouth, T-type compensated cavity oil liquid then passes through push rod and the gap of dynamic iron and electromagnetic pilot head is fed back to
Pressure detecting mouth, while one layer of lubricating oil film can be formed in the gap, play good lubricating action, pressure detecting mouth
External sensor equal with pressure output pressure, at pressure detecting mouth, can the pressure of real-time detection pressure out.
Main valve plug and spring are located inside valve pocket, and by circlip by spring retainer, valve pocket is inlaid in electromagnetism for the end of valve body
Guide's cephalic par has the sealing of the first sealing ring between the two, and push rod is located at main valve plug upper end, and passes through electromagnetic pilot head, separately
One end is located at dynamic iron lower end, and coil is wrapped in outside electromagnetic pilot head, and upper end energization nut is fixed, and nut passes through outer
It is threaded onto electromagnetic pilot head upper end, electromagnetic pilot head and external valve body contact portion are sealed by second sealing ring on top, valve
Set is sealed with external valve chamber by the second sealing ring of middle part and lower part, and main valve plug can move in valve pocket, and push rod, dynamic iron can be
Electromagnetic pilot head internal motion.
In the case of this proportional valve control uniform pressure, required electromagnetic force is smaller, and coil turn is less, can be with relatively small electricity
Magnetic force controls biggish pressure；External sensor on proportioning valve, real-time detection proportioning valve output pressure；Do not have to disassembly and
In the case where power-off, pressure export can be made to export relevant pressure, facilitate emergency processing proportioning valve card valve by increasing gasket mode
Or pressure export caused by apparatus failure can not output pressure failure.
Above-mentioned specific embodiment cannot function as the limitation to scope of protection of the utility model, for the skill of the art
For art personnel, any alternate modification or transformation made to the utility model embodiment all fall within the guarantor of the utility model
It protects in range.
Place is not described in detail for the utility model, is the well-known technique of those skilled in the art of the present technique.
Claims (7)
1. a kind of New Type Proportional valve, it is characterised in that: including an electromagnetic pilot head, an oil is equipped in the cavity of electromagnetic pilot head
Liquid regulating device, the oil liquid regulating device include that an activity is equipped with the dynamic iron intracavitary in the dynamic iron of electromagnetic pilot head,
Cooperation is equipped with a push rod in the pushrod chamber being connected with dynamic iron bottom of chamber portion, and connection is equipped with a T-type compensated cavity below pushrod chamber,
Cooperation clamping is equipped with an oil liquid Oil Guide component, the inside of the oil liquid Oil Guide component and the lower end of the push rod in T-type compensated cavity
It is connected；It is equipped with a upper cavity at the top cavity of electromagnetic pilot head, is equipped with the pressure with external sensor at the top of upper cavity
The lower end of power detection mouth, the oil liquid Oil Guide component is equipped with pressure export；The oil liquid Oil Guide component passes through intermediate oil duct and institute
Upper cavity is stated to be connected；It is equipped with coil in the electromagnetic pilot head outer sheath, in the lateral wall of the electromagnetic pilot head on coil top
On screw the nut to offset equipped with one with coil top.
2. a kind of New Type Proportional valve according to claim 1, it is characterised in that: the oil liquid Oil Guide component includes a top
Cooperate the valve pocket being connected in T-type compensated cavity, cooperation is equipped with the main valve plug of a hollow setting in the cavity of valve pocket, in main valve plug
A spring is equipped in the valve pocket cavity of lower part, the lower end of the valve pocket is the pressure export, between spring and pressure export
Valve pocket it is intracavitary clamping be equipped with one for limit circlip；The upper end of the spring is abutted against with the main valve plug bottom；In valve
The proportioning valve drain tap equipped with a connection valve pocket internal cavities and proportioning valve oil inlet are respectively separated on the lateral wall of set from top to bottom
Mouthful；Be respectively separated from top to bottom on the lateral wall of main valve plug equipped with one connection main valve plug internal cavities main valve plug drain tap with
Main valve plug oil inlet.
3. a kind of New Type Proportional valve according to claim 2, it is characterised in that: the valve pocket upper outside wall it is recessed
One first sealing ring is equipped in slot, the side wall of first sealing ring and T-type compensated cavity upper level chamber offsets.
4. a kind of New Type Proportional valve according to claim 3, it is characterised in that: the pushrod chamber, dynamic iron chamber are connected and set
Set and collectively constitute the intermediate oil duct of connection main valve plug cavity and upper cavity.
5. a kind of New Type Proportional valve according to claim 4, it is characterised in that: the main valve plug on main valve plug drain tap top
Side wall is equipped with an aperture being connected with the T-type compensated cavity.
6. a kind of New Type Proportional valve according to claim 5, it is characterised in that: on the lateral wall of the valve pocket from upper and
Under be respectively separated set and be equipped with one second sealing ring, third sealing ring, the 4th sealing ring, second sealing ring, third sealing
Circle, the 4th sealing ring are used to be sealed between the component matched on the outside of the valve pocket.
7. a kind of New Type Proportional valve according to claim 6, it is characterised in that: the pressure detecting mouth is in normal work
When in sealing state and seal member be equipped with it is described for detecting the external sensor of pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820618098.0U CN208417688U (en) | 2018-04-27 | 2018-04-27 | A kind of New Type Proportional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820618098.0U CN208417688U (en) | 2018-04-27 | 2018-04-27 | A kind of New Type Proportional valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208417688U true CN208417688U (en) | 2019-01-22 |
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ID=65116677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820618098.0U Active CN208417688U (en) | 2018-04-27 | 2018-04-27 | A kind of New Type Proportional valve |
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| Country | Link |
|---|---|
| CN (1) | CN208417688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396388A (en) * | 2020-04-26 | 2020-07-10 | 山推工程机械股份有限公司 | Speed change valve group and gear shifting control system |
-
2018
- 2018-04-27 CN CN201820618098.0U patent/CN208417688U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396388A (en) * | 2020-04-26 | 2020-07-10 | 山推工程机械股份有限公司 | Speed change valve group and gear shifting control system |
| CN111396388B (en) * | 2020-04-26 | 2022-03-29 | 山推工程机械股份有限公司 | Speed change valve group and gear shifting control system |
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