CN207093486U - It is a kind of can stable hydraulic oil temperature bypass back pressure pile-up valve - Google Patents
It is a kind of can stable hydraulic oil temperature bypass back pressure pile-up valve Download PDFInfo
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- CN207093486U CN207093486U CN201720982186.4U CN201720982186U CN207093486U CN 207093486 U CN207093486 U CN 207093486U CN 201720982186 U CN201720982186 U CN 201720982186U CN 207093486 U CN207093486 U CN 207093486U
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Abstract
The utility model is related to it is a kind of can stable hydraulic oil temperature bypass back pressure pile-up valve, including main control valve, radiator and fuel tank, also include integrated valve body, main control valve is connected with radiator, fuel tank respectively by integrated valve body, the integrated valve body includes counterbalance valve, temperature-sensing valve and by-passing valve, counterbalance valve, temperature-sensing valve and by-passing valve are arranged in the valve chest of valve body, and counterbalance valve connects with temperature-sensing valve；When oil return oil temperature is less than 55 DEG C in main control valve, main control valve is connected by by-passing valve with fuel tank；When oil return oil temperature is higher than 80 DEG C in main control valve, main control valve passes sequentially through counterbalance valve, temperature-sensing valve, radiator and connected with fuel tank.The beneficial effects of the utility model：Pile-up valve can control the oil temperature of hydraulic system to be worked in 55 80 DEG C of optimum range, and so as to extend the service life of hydraulic oil, and energy-saving effect is obvious, when avoiding hydraulic fluid temperature less than 55 DEG C, the loss of heat.
Description
Technical field
The utility model is related to pile-up valve technical field, more particularly to it is a kind of can the bypass back pressure of stable hydraulic oil temperature integrate
Valve.
Background technology
In current existing open type hydraulic system, hydraulic oil will also be carried out in the case where temperature is relatively low by radiator
Radiating, the appropriate working temperature for causing hydraulic oil to reach 55-80 DEG C in time, so as to reduce hydraulic oil and Hydraulic Elements
Service life and cause energy loss；Meanwhile by-passing valve and counterbalance valve use one-way valve structures, are reached in by-passing valve and counterbalance valve
It is big to return oil pressure pressure-difference fluctuation scope during maximum open area, cause the pressure loss；My company is directed to above-described skill
Art problem, long-time, repetition test research are carried out, a kind of bypass back pressure that can overcome above technical problem is have developed and integrates
Valve.
Utility model content
Technical problem to be solved in the utility model is：There is provided it is a kind of can the bypass back pressure of stable hydraulic oil temperature integrate
Valve, solve hydraulic oil and worked in the case where temperature is relatively low, reduce the service life of hydraulic oil and Hydraulic Elements and cause
Energy loss and when by-passing valve and counterbalance valve reach maximum open area return oil pressure pressure-difference fluctuation scope is big, is caused
The problem of pressure loss.
The utility model is to solve the problems, such as that used technical scheme set forth above is：
It is a kind of can stable hydraulic oil temperature bypass back pressure pile-up valve, including main control valve 1, radiator 2 and fuel tank 3, in addition to
Integrated valve body 4, main control valve 1 are connected with radiator 2, fuel tank 3 respectively by integrated valve body 4, and the integrated valve body 4 includes counterbalance valve
5th, temperature-sensing valve 6 and by-passing valve 7, counterbalance valve 5, temperature-sensing valve 6 and by-passing valve 7 are arranged in the valve chest of valve body 4, counterbalance valve 5 with
Temperature-sensing valve 6 connects；When oil return oil temperature is less than 55 DEG C in main control valve 1, main control valve 1 is connected by by-passing valve 7 with fuel tank 3；In master
When oil return oil temperature is higher than 80 DEG C in control valve 1, main control valve 1 passes sequentially through counterbalance valve 5, temperature-sensing valve 6, radiator 2 and connected with fuel tank 3.
Described temperature-sensing valve 6 includes temperature sensing device 8 and variable orifice 9, and temperature sensing device 8 controls variable restrictor
The openings of sizes in hole 9.
Described counterbalance valve 5, by-passing valve 7 use sliding valve structure.
Open up cavity A10, cavity B11 and cavity C12, the top of integrated valve body 4 inside described integrated valve body 4 respectively successively
Fuel feed hole 13 is opened up, and fuel feed hole 13 is blind hole, the bottom of fuel feed hole 13 is left and right to be connected with cavity B11, cavity C12 respectively, is integrated
Oil outlet A14 is opened up on the right side wall of valve body 4, and oil outlet A14 connects with cavity C12, is opened up on the left side wall of integrated valve body 4 fuel-displaced
Hole B15, and oil outlet B15 is connected with cavity A10, and the temperature-sensing valve 6 is set in cavity A10, the back pressure is set in cavity B11
Valve 5, cavity C12 is interior to set the by-passing valve 7.
Described temperature-sensing valve 6 includes adjustment block 16, push rod 17, temperature sensing device 8 and back-moving spring A18, back-moving spring
A18 is located at cavity A10 bottoms, and back-moving spring A18 tops set temperature sensing device 8, the lower end of push rod 17 and temperature sensing device 8
Connection, the upper end of push rod 17 set adjustment block 16.
Described counterbalance valve 5 includes back pressure valve rod 19 and back-moving spring B20, and back-moving spring B20 is arranged under cavity B11
Portion, back-moving spring B20 tops set back pressure valve rod 19.
Described by-passing valve 7 includes bypass valve rod 21 and back-moving spring C22, back-moving spring C22 are arranged under cavity C12
Portion, back-moving spring C22 tops set bypass valve rod 21.
Operation principle of the present utility model：Temperature-sensing valve opening is minimum, and a large amount of low-temperature oils are directly entered by by-passing valve to fuel tank
Row oil return, a large amount of low temperature hydraulic oil temperature are made to be radiated without radiator, so that hydraulic oil temperature fast and stable is in 55-80 DEG C of temperature
In the range of degree；When main control valve oil return oil temperature is high：Temperature-sensing valve opening is maximum, and a large amount of high temperature oils are arrived by counterbalance valve through radiator heat-dissipation
Fuel tank, so that hydraulic oil temperature is stable in 55-80 DEG C of temperature range.
Integrated valve body is engaged with cavity A, and cavity A is engaged with push rod and built with temperature sensing device, cavity A bottoms
Equipped with back-moving spring A, top is equipped with adjustment block；Integrated valve body is engaged with back pressure valve rod, and back pressure stem lower portion is equipped with reset bullet
Spring B；Integrated valve body is engaged with bypass valve rod, and bypass stem lower portion is equipped with back-moving spring C.
When fuel feed hole oil return oil temperature is low, temperature sensing device does not expand push rod and not stretched out, and cavity A is in minimal openings position
Put, a large amount of low-temperature oils are by promoting bypass valve rod to enter to the direct oil return boxes of oil outlet A, a large amount of low temperature hydraulic oil temperature without radiator
Row radiating, so that hydraulic oil temperature fast and stable is in 55-80 DEG C of temperature range；When fuel feed hole oil return oil temperature is high, temperature sense
Answer device to expand push rod to stretch out, cavity A is in maximum open position, and a large amount of high temperature oils are by promoting back pressure valve rod directly to arrive out
Oilhole B is by oil return box after radiator heat-dissipation, so that hydraulic oil temperature fast and stable is in 55-80 DEG C of temperature range.
The beneficial effects of the utility model are：1st, pile-up valve can control the oil temperature of hydraulic system suitable at 55-80 DEG C
Suitable operated within range, so as to extend the service life of hydraulic oil, and energy-saving effect is obvious, avoids hydraulic fluid temperature less than 55
DEG C when, the loss of heat.2nd, pile-up valve can in reduction system Hydraulic Elements abrasion, extend Hydraulic Elements uses the longevity
Life.3rd, return oil pressure pressure-difference fluctuation scope is small, and this integrated valve body is suitable for various open type hydraulic systems.
Brief description of the drawings
Fig. 1 is structure principle chart of the present utility model；
Fig. 2 is cross-sectional view of the present utility model.
Wherein, 1- main control valves, 2- radiators, 3- fuel tanks, 4- integrated valve bodies, 5- counterbalance valves, 6- temperature-sensing valves, 7- by-passing valves,
8- temperature sensing devices, 9- variable orifices, 10- cavity A, 11- cavity B, 12- cavity C, 13- fuel feed hole, 14- oil outlets A,
15- oil outlet B, 16- adjustment block, 17- push rods, 18- back-moving spring A, 19- back pressures valve rod, 20- back-moving springs B, bypass valve rod,
22- back-moving springs C.
Embodiment
Embodiment of the present utility model is further illustrated below in conjunction with the accompanying drawings.
Reference picture 1-2, described in present embodiment it is a kind of can stable hydraulic oil temperature bypass back pressure pile-up valve, including
Main control valve 1, radiator 2 and fuel tank 3, in addition to integrated valve body 4, main control valve 1 by integrated valve body 4 respectively with radiator 2, fuel tank
3 connections, the integrated valve body 4 include counterbalance valve 5, temperature-sensing valve 6 and by-passing valve 7, and counterbalance valve 5, temperature-sensing valve 6 and by-passing valve 7 are all provided with
Put in the valve chest of valve body 4, counterbalance valve 5 connects with temperature-sensing valve 6；When oil return oil temperature is less than 55 DEG C in main control valve 1, main control valve
1 is connected by by-passing valve 7 with fuel tank 3；In main control valve 1 oil return oil temperature be higher than 80 DEG C when, main control valve 1 pass sequentially through counterbalance valve 5,
Temperature-sensing valve 6, radiator 2 connect with fuel tank 3.
Described temperature-sensing valve 6 includes temperature sensing device 8 and variable orifice 9, and temperature sensing device 8 controls variable restrictor
The openings of sizes in hole 9.
Described counterbalance valve 5, by-passing valve 7 use sliding valve structure.
Open up cavity A10, cavity B11 and cavity C12, the top of integrated valve body 4 inside described integrated valve body 4 respectively successively
Fuel feed hole 13 is opened up, and fuel feed hole 13 is blind hole, the bottom of fuel feed hole 13 is left and right to be connected with cavity B11, cavity C12 respectively, is integrated
Oil outlet A14 is opened up on the right side wall of valve body 4, and oil outlet A14 connects with cavity C12, is opened up on the left side wall of integrated valve body 4 fuel-displaced
Hole B15, and oil outlet B15 is connected with cavity A10, and the temperature-sensing valve 6 is set in cavity A10, the back pressure is set in cavity B11
Valve 5, cavity C12 is interior to set the by-passing valve 7.
Described temperature-sensing valve 6 includes adjustment block 16, push rod 17, temperature sensing device 8 and back-moving spring A18, back-moving spring
A18 is located at cavity A10 bottoms, and back-moving spring A18 tops set temperature sensing device 8, the lower end of push rod 17 and temperature sensing device 8
Connection, the upper end of push rod 17 set adjustment block 16.
Described counterbalance valve 5 includes back pressure valve rod 19 and back-moving spring B20, and back-moving spring B20 is arranged under cavity B11
Portion, back-moving spring B20 tops set back pressure valve rod 19.
Described by-passing valve 7 includes bypass valve rod 21 and back-moving spring C22, back-moving spring C22 are arranged under cavity C12
Portion, back-moving spring C22 tops set bypass valve rod 21.
The operation principle of present embodiment：Temperature-sensing valve opening is minimum, and a large amount of low-temperature oils directly arrive oil by by-passing valve
Case carries out oil return, a large amount of low temperature hydraulic oil temperature is radiated without radiator, so that hydraulic oil temperature fast and stable is in 55-80
In DEG C temperature range；When main control valve oil return oil temperature is high：Temperature-sensing valve opening is maximum, and a large amount of high temperature oils are dissipated by counterbalance valve through radiator
Heat arrives fuel tank, so that hydraulic oil temperature is stable in 55-80 DEG C of temperature range.
Integrated valve body is engaged with cavity A, and cavity A is engaged with push rod and built with temperature sensing device, cavity A bottoms
Equipped with back-moving spring A, top is equipped with adjustment block；Integrated valve body is engaged with back pressure valve rod, and back pressure stem lower portion is equipped with reset bullet
Spring B；Integrated valve body is engaged with bypass valve rod, and bypass stem lower portion is equipped with back-moving spring C.
When fuel feed hole oil return oil temperature is low, temperature sensing device does not expand push rod and not stretched out, and cavity A is in minimal openings position
Put, a large amount of low-temperature oils are by promoting bypass valve rod to enter to the direct oil return boxes of oil outlet A, a large amount of low temperature hydraulic oil temperature without radiator
Row radiating, so that hydraulic oil temperature fast and stable is in 55-80 DEG C of temperature range；When fuel feed hole oil return oil temperature is high, temperature sense
Answer device to expand push rod to stretch out, cavity A is in maximum open position, and a large amount of high temperature oils are by promoting back pressure valve rod directly to arrive out
Oilhole B is by oil return box after radiator heat-dissipation, so that hydraulic oil temperature fast and stable is in 55-80 DEG C of temperature range.
The beneficial effect of present embodiment is：1st, pile-up valve can control the oil temperature of hydraulic system at 55-80 DEG C
Optimum range in work, so as to extend the service life of hydraulic oil, and energy-saving effect is obvious, and it is low to avoid hydraulic fluid temperature
When 55 DEG C, the loss of heat.2nd, pile-up valve can in reduction system Hydraulic Elements abrasion, extend making for Hydraulic Elements
Use the life-span.3rd, return oil pressure pressure-difference fluctuation scope is small, and this integrated valve body is suitable for various open type hydraulic systems.
Specific embodiment of the utility model is not formed to limitation of the present utility model, every to use phase of the present utility model
Like structure and change, in the scope of protection of the utility model.
Claims (7)
1. it is a kind of can stable hydraulic oil temperature bypass back pressure pile-up valve, including main control valve（1）, radiator（2）And fuel tank（3）, its
It is characterised by：Also include integrated valve body（4）, main control valve（1）Pass through integrated valve body（4）Respectively with radiator（2）, fuel tank（3）Even
It is logical, the integrated valve body（4）Including counterbalance valve（5）, temperature-sensing valve（6）And by-passing valve（7）, counterbalance valve（5）, temperature-sensing valve（6）And side
Port valve（7）It is arranged at valve body（4）Valve chest in, counterbalance valve（5）With temperature-sensing valve（6）Connection；In main control valve（1）Interior oil return oil
When temperature is less than 55 DEG C, main control valve（1）Pass through by-passing valve（7）With fuel tank（3）Connection；In main control valve（1）Interior oil return oil temperature is higher than 80
DEG C when, main control valve（1）Pass sequentially through counterbalance valve（5）, temperature-sensing valve（6）, radiator（2）With fuel tank（3）Connection.
2. it is as claimed in claim 1 it is a kind of can stable hydraulic oil temperature bypass back pressure pile-up valve, it is characterised in that：Described temperature
Control valve（6）Including temperature sensing device（8）And variable orifice（9）, temperature sensing device（8）Control variable orifice（9）'s
Openings of sizes.
3. as any one of claim 1 or 2 it is a kind of can stable hydraulic oil temperature bypass back pressure pile-up valve, its feature exists
In：Described counterbalance valve（5）, by-passing valve（7）Use sliding valve structure.
4. it is as claimed in claim 2 it is a kind of can stable hydraulic oil temperature bypass back pressure pile-up valve, it is characterised in that：Described collection
Into valve body（4）Inside opens up cavity A respectively successively（10）, cavity B（11）With cavity C（12）, integrated valve body（4）Top open up into
Oilhole（13）, and fuel feed hole（13）For blind hole, fuel feed hole（13）Bottom it is left and right respectively with cavity B（11）, cavity C（12）Connection,
Integrated valve body（4）Oil outlet A is opened up on right side wall（14）, and oil outlet A（14）With cavity C（12）Connection, integrated valve body（4）It is left
Oil outlet B is opened up in side wall（15）, and oil outlet B（15）With cavity A（10）Connection, cavity A（10）It is interior that the temperature-sensing valve is set
（6）, cavity B（11）It is interior that the counterbalance valve is set（5）, cavity C（12）It is interior that the by-passing valve is set（7）.
5. it is as claimed in claim 4 it is a kind of can stable hydraulic oil temperature bypass back pressure pile-up valve, it is characterised in that：Described temperature
Control valve（6）Including adjustment block（16）, push rod（17）, temperature sensing device（8）With back-moving spring A（18）, back-moving spring A（18）Position
In cavity A（10）Bottom, back-moving spring A（18）Top sets temperature sensing device（8）, push rod（17）Lower end fills with temperature sense
Put（8）Connection, push rod（17）Upper end sets adjustment block（16）.
6. it is as claimed in claim 4 it is a kind of can stable hydraulic oil temperature bypass back pressure pile-up valve, it is characterised in that：The described back of the body
Pressure valve（5）Including back pressure valve rod（19）With back-moving spring B（20）, back-moving spring B（20）It is arranged on cavity B（11）Bottom, reset
Spring B（20）Top sets back pressure valve rod（19）.
7. it is as claimed in claim 4 it is a kind of can stable hydraulic oil temperature bypass back pressure pile-up valve, it is characterised in that：Described side
Port valve（7）Including bypassing valve rod（21）With back-moving spring C（22）, back-moving spring C（22）It is arranged on cavity C（12）Bottom, reset
Spring C（22）Top sets bypass valve rod（21）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720982186.4U CN207093486U (en) | 2017-08-08 | 2017-08-08 | It is a kind of can stable hydraulic oil temperature bypass back pressure pile-up valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720982186.4U CN207093486U (en) | 2017-08-08 | 2017-08-08 | It is a kind of can stable hydraulic oil temperature bypass back pressure pile-up valve |
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| Publication Number | Publication Date |
|---|---|
| CN207093486U true CN207093486U (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720982186.4U Active CN207093486U (en) | 2017-08-08 | 2017-08-08 | It is a kind of can stable hydraulic oil temperature bypass back pressure pile-up valve |
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| CN (1) | CN207093486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327434A (en) * | 2017-08-08 | 2017-11-07 | 济宁山重新能源有限公司 | It is a kind of can stable hydraulic oil temperature bypass back pressure pile-up valve |
-
2017
- 2017-08-08 CN CN201720982186.4U patent/CN207093486U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327434A (en) * | 2017-08-08 | 2017-11-07 | 济宁山重新能源有限公司 | It is a kind of can stable hydraulic oil temperature bypass back pressure pile-up valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Bypass back pressure integrated valve capable of stabilizing hydraulic oil temperature Effective date of registration: 20200409 Granted publication date: 20180313 Pledgee: Shandong science and technology finance Company limited by guarantee Pledgor: JINING SHANZHONG RENEWABLE ENERGY Co.,Ltd. Registration number: Y2020370000048 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210318 Granted publication date: 20180313 Pledgee: Shandong science and technology finance Company limited by guarantee Pledgor: JINING SHANZHONG RENEWABLE ENERGY Co.,Ltd. Registration number: Y2020370000048 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A bypass back pressure integrated valve for stabilizing hydraulic oil temperature Effective date of registration: 20210331 Granted publication date: 20180313 Pledgee: Shandong science and technology finance Company limited by guarantee Pledgor: JINING SHANZHONG RENEWABLE ENERGY Co.,Ltd. Registration number: Y2021370000028 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220729 Granted publication date: 20180313 Pledgee: Shandong science and technology finance Company limited by guarantee Pledgor: JINING SHANZHONG RENEWABLE ENERGY CO.,LTD. Registration number: Y2021370000028 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |