CN115325252A - Automatic regulating temp. control change valve - Google Patents
Automatic regulating temp. control change valve Download PDFInfo
- Publication number
- CN115325252A CN115325252A CN202210970405.2A CN202210970405A CN115325252A CN 115325252 A CN115325252 A CN 115325252A CN 202210970405 A CN202210970405 A CN 202210970405A CN 115325252 A CN115325252 A CN 115325252A
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- China
- Prior art keywords
- temperature
- outlet
- valve
- valve body
- guide port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000008859 change Effects 0.000 title claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 title description 7
- 230000009471 action Effects 0.000 claims abstract description 7
- 229910001000 nickel titanium Inorganic materials 0.000 claims abstract description 5
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 44
- 239000010720 hydraulic oil Substances 0.000 abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0423—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
- F16K15/184—Combined check valves and actuated valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The invention provides an automatic adjusting temperature control reversing valve, belonging to the field of reversing valve manufacturing; the invention comprises the following steps: the temperature-variable valve comprises a valve body, a valve core and at least one temperature-variable expansion spring; the valve body is of a cylindrical structure, one end of the valve body is an oil inlet, and the other end of the valve body is a closed end; the side wall of the cylindrical structure is provided with a first outlet and a second outlet; the valve core is sleeved on the inner wall of the valve body and is arranged in the valve body through the temperature change telescopic spring so as to seal the first outlet and the second outlet; the valve core is of a tubular structure, and the side wall of the tubular structure is provided with at least one oil guide port; the temperature of the valve body changes, so that the valve core slides in the valve body under the action of the temperature-variable expansion spring, and the oil guide port corresponds to the first outlet or the second outlet; the temperature-change extension spring is a nickel-titanium memory alloy spring. The invention controls the action of the valve core of the reversing valve through the temperature-variable telescopic spring, thereby achieving the purpose of automatically switching the flow direction according to the temperature, realizing the operation of automatic reversing and greatly facilitating the heat dissipation operation of the hydraulic oil.
Description
Technical Field
The invention relates to a reversing valve manufacturing technology, in particular to an automatic adjusting type temperature control reversing valve, and belongs to the technical field of hydraulic auxiliary equipment manufacturing.
Background
The working principle and process of cooling hydraulic oil of a hydraulic system are generally as follows: the hydraulic oil in the hydraulic oil tank is pumped out by the cooling oil pump and then enters the radiator, the radiator sucks cold air through the radiator through the rotation of the cooling fan, in the process, the high-temperature hydraulic oil in the radiator and the cold air which forcibly flows carry out cold-heat exchange, the temperature of the hydraulic oil is reduced, and the cooled hydraulic oil flows back to the oil tank to be fed to a main pump for oil absorption. The hydraulic oil in the hydraulic oil tank is circulated in such a way that the oil temperature is cooled through the radiator.
However, the hydraulic oil heat dissipation system in the prior art has the following disadvantages:
generally, the rotating speed of a fan of a radiator is a fixed value, the radiating power of the fan cannot be adjusted along with the change of the oil temperature, and in the actual use process, if all hydraulic oil is led into the radiator, the power is wasted;
in the prior art, a reversing valve is generally adopted to directly guide low-temperature hydraulic oil into an oil tank according to temperature, but a temperature control device is matched with an electromagnetic reversing valve to realize the direct guiding of the low-temperature hydraulic oil into the oil tank, and the reversing valve is complex in structure and high in manufacturing cost.
Therefore, a temperature-controlled reversing valve which can realize automatic adjustment and control and has low manufacturing cost is needed to be provided in the prior art.
Disclosure of Invention
The invention provides a novel automatic adjusting type temperature control reversing valve, which can automatically realize reversing operation by arranging a temperature change telescopic spring which can be telescopic according to temperature change on a valve core, so as to solve the technical problem of higher cost of temperature control reversing operation equipment in the prior art.
The automatic regulating temperature control reversing valve of the embodiment of the invention comprises: automatic regulation formula temperature control switching-over valve, its characterized in that includes: the temperature-variable valve comprises a valve body, a valve core and at least one temperature-variable expansion spring; the valve body is of a cylindrical structure, one end of the valve body is an oil inlet, and the other end of the valve body is a closed end; the side wall of the cylindrical structure is provided with a first outlet and a second outlet;
the valve core is sleeved on the inner wall of the valve body and is arranged in the valve body through the temperature change telescopic spring so as to seal the first outlet and the second outlet; the valve core is of a tubular structure, and the side wall of the tubular structure is provided with at least one oil guide port;
the temperature of the valve body changes, so that the valve core slides in the valve body under the action of the temperature change telescopic spring, and the oil guide port corresponds to the first outlet or the second outlet;
the temperature change extension spring is a nickel-titanium memory alloy spring.
The automatic adjusting type temperature control reversing valve is characterized in that the closed end is provided with a sealing plate, and the valve core is internally provided with a clamping ring; and a pre-tightening spring is arranged between the clamping ring and the sealing plate.
The automatic adjusting type temperature control reversing valve is characterized in that a limiting clamping ring is further arranged in the valve body and is located in the oil inlet;
the limiting snap ring is connected with the snap ring through the temperature change telescopic spring.
The automatic adjusting type temperature-controlled reversing valve comprises the oil guide port, wherein the oil guide port comprises: the first oil guide port and the second oil guide port; the distance between the first oil guide port and the second oil guide port is smaller than the distance between the first outlet and the second outlet;
the valve core slides to enable the first oil guide port to correspond to the first outlet, or enable the second oil guide port to correspond to the second outlet.
The automatic adjusting temperature control reversing valve is characterized in that the temperature change expansion spring is a cylindrical spiral spring.
The automatic adjusting temperature control reversing valve comprises a valve body, a first outlet, a second outlet, a first valve seat, a second valve seat, a first valve seat and a second valve seat, wherein one end of the valve body is connected with a heat exchanger connecting pipe;
the valve body is also provided with an oil outlet pipe, and the oil outlet pipe is communicated with the first outlet.
The automatic adjusting type temperature control reversing valve is characterized in that the oil outlet pipe is provided with a check valve.
In the embodiment of the invention, the valve core of the reversing valve is controlled to act through the temperature-variable telescopic spring, so that the purpose of automatically switching the flow direction according to the temperature is achieved, the operation of automatic reversing is realized, and the heat dissipation operation of hydraulic oil is greatly facilitated.
Drawings
FIG. 1 is a side sectional view of a first state of an automatic regulating temperature controlled reversing valve in accordance with an embodiment of the present invention;
fig. 2 is a side sectional view of a second state of the automatic regulating temperature controlled reversing valve according to the embodiment of the present invention.
Detailed Description
The self-adjusting temperature controlled reversing valve of the present invention may be made of, and is not limited to, the following materials and components, for example: temperature change alloy, a valve body, a valve core, a spring, a check valve, a clamping ring, a base and the like.
FIG. 1 is a side sectional view of an automatic regulating thermostatic reversing valve according to an embodiment of the present invention in a first state; and in conjunction with figure 2.
The automatically adjusting thermostatic reversing valve of this embodiment includes: the valve comprises a valve body 1, a valve core 2 and at least one temperature-change expansion spring 31; the valve body 1 is of a cylindrical structure, one end of the valve body is an oil inlet 10, and the other end of the valve body is a sealed end; the side wall of the cylindrical structure is provided with a first outlet 11 and a second outlet 12; the first outlet 11 and the second outlet 12 are respectively connected with a hydraulic oil tank and a heat exchanger.
The valve core 2 is sleeved on the inner wall of the valve body 1 and is installed in the valve body 1 through the temperature change extension spring 31 to seal the first outlet 11 and the second outlet 12; the valve core 2 is of a tubular structure, and the side wall of the tubular structure is provided with at least one oil guide port; the oil guide ports are used for corresponding to different first outlets 11 or second outlets 12, so that a flow guide effect is achieved.
The temperature of the valve body 1 changes, so that the valve core 2 slides in the valve body 1 under the action of the temperature change telescopic spring 31, and the oil guide port corresponds to the first outlet 11 or the second outlet 12; the temperature change extension spring is a nickel-titanium memory alloy spring.
The temperature-variable expansion spring is made of: ti-Ni alloy, its phase transition temperature is: 45-90 ℃; the physical properties were as follows: tensile strength: 850MPa yield strength: elongation at 195-690 MPa: 25 to 50 percent.
In the actual use process, the initial length of the temperature-variable expansion spring is kept when the temperature is below 45 ℃; after reaching the deformation temperature at 45 ℃, the elongation thereof is 25%; reaches a deformation temperature at 67.5 ℃, and the elongation of the steel is 37.5 percent; the deformation temperature is reached at 90 c, and the elongation thereof is 50%, at which time, as shown in fig. 2, the length of the temperature-variable extension spring is greatly increased, thereby pushing the valve core 2 to move leftward, so that the oil guide port corresponds to the second outlet 12.
In particular, in the present invention, the temperature-variable expansion spring 31 may also be a spring plate, a corrugated plate or other temperature-variable expansion structure made of nitinol.
In the embodiment of the invention, the valve core of the reversing valve is controlled to act through the temperature-variable telescopic spring, so that the purpose of automatically switching the flow direction according to the temperature is achieved, the operation of automatic reversing is realized, and the heat dissipation operation of hydraulic oil is greatly facilitated.
According to the automatic adjusting type temperature control reversing valve, the sealing end is provided with the sealing plate 13, and the valve core 2 is internally provided with the clamping ring; a pre-tightening spring 32 is arranged between the clamping ring and the sealing plate 13.
The pre-tightening spring 32 mainly plays a role in keeping the initial position of the valve core, and simultaneously plays a role in buffering the impact force of hydraulic oil in the state that the oil inlet 10 rapidly enters a large amount of hydraulic oil, and can rapidly restore the position of the valve core 2 by means of self pre-tightening elastic force after the temperature is reduced.
In the practical use process, a limiting snap ring 14 is further arranged in the valve body 1, and the limiting snap ring 14 is located in the oil inlet 10; the limiting snap ring 14 is connected with the snap ring through the temperature change telescopic spring 31.
In general, the temperature-dependent expansion spring 31 is a cylindrical coil spring.
The automatically regulated formula temperature-sensing switching-over valve of this embodiment, lead the hydraulic fluid port and include: a first oil guide port 21 and a second oil guide port 22; the distance between the first oil guide port 21 and the second oil guide port 22 is smaller than the distance between the first outlet 11 and the second outlet 12; therefore, the valve core 2 can move a small distance, and the reversing operation can be realized, thereby reducing the manufacturing cost.
The valve core 2 slides to make the first oil guide port 21 correspond to the first outlet 11, or make the second oil guide port 22 correspond to the second outlet 12.
In the automatic adjusting temperature-controlled reversing valve of the present embodiment, normally, one end of the valve body 1 is connected to a heat exchanger connecting pipe 5, and the heat exchanger connecting pipe 5 is communicated with the second outlet 12; the heat exchanger connecting pipe 5 is used for connecting a heat exchanger and is used for cooling the high-temperature hydraulic oil.
The valve body 1 is also provided with an oil outlet pipe 4, and the oil outlet pipe 4 is communicated with the first outlet 11. The oil outlet pipe 4 is used for being directly connected with a hydraulic oil tank, so that low-temperature hydraulic oil can be conveniently and rapidly refluxed.
In general, the outlet pipe 4 is provided with a check valve 40 to prevent backflow.
The working process of the temperature control valve of the embodiment is as follows:
hydraulic oil medium enters from the oil inlet 10, when the temperature of the medium does not reach the set temperature of the internal temperature-change expansion spring 31, as shown in fig. 1, the valve core 2 does not have any action, at the moment, the first oil guide port 21 is communicated with the first outlet 11, and the medium flows through the one-way valve to the hydraulic oil tank without being cooled; however, when the temperature change expansion spring 31 inside is heated to reach the opening temperature, the temperature change expansion spring 31 starts to extrude the snap ring by using the thermal deformation principle of the temperature sensing metal, so that the pre-tightening spring 32 also starts to be extruded, the valve core 2 moves leftwards until the second oil guide port 22 coincides with the second outlet 12, the check valve 40 is closed at this time, and the medium enters the inner cavity of the heat exchanger to perform heat exchange.
The automatic adjusting type temperature control reversing valve has the advantages that:
1. the mode that a temperature control system is matched with an electromagnetic valve is not needed for temperature control reversing, so that the equipment cost is greatly reduced;
2. the valve body has a simple structure, and can automatically realize reversing operation according to the temperature of hydraulic oil;
3. the pre-tightening spring and the temperature change telescopic spring are matched with each other, so that the action response speed is high, and the resetting effect is good.
In addition, the automatic adjusting type temperature control reversing valve is low in manufacturing cost, exquisite in layout, compact in structural design, stable in finished product quality, convenient to maintain and suitable for various modified temperature control reversing valves.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments. Through the above description of the embodiments, those skilled in the art will clearly understand that the above embodiment method can be implemented by some modifications plus the necessary general technical overlap; of course, the method can also be realized by simplifying some important technical features in the upper level. Based on such understanding, the technical solution of the present invention essentially or contributing to the prior art is: the whole structure and the connection mode are matched with the structure of each embodiment of the invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides an automatic regulation formula temperature control reversing valve which characterized in that includes: the temperature-variable valve comprises a valve body, a valve core and at least one temperature-variable expansion spring; the valve body is of a cylindrical structure, one end of the valve body is an oil inlet, and the other end of the valve body is a closed end; a first outlet and a second outlet are arranged on the side wall of the cylindrical structure;
the valve core is sleeved on the inner wall of the valve body and is arranged in the valve body through the temperature change telescopic spring so as to seal the first outlet and the second outlet; the valve core is of a tubular structure, and the side wall of the tubular structure is provided with at least one oil guide port;
the temperature of the valve body changes, so that the valve core slides in the valve body under the action of the temperature-change telescopic spring, and the oil guide port corresponds to the first outlet or the second outlet;
the temperature change extension spring is a nickel-titanium memory alloy spring.
2. The automatically adjusting temperature controlled reversing valve according to claim 1, wherein a seal plate is disposed on the closed end, and a snap ring is disposed in the valve core; and a pre-tightening spring is arranged between the clamping ring and the sealing plate.
3. The automatically adjusting temperature controlled reversing valve according to claim 2, wherein a limit snap ring is further disposed within the valve body and is located within the oil inlet;
the limiting snap ring is connected with the snap ring through the temperature change telescopic spring.
4. The self-adjusting temperature controlled reversing valve according to any one of claims 1-3, wherein the oil guide port comprises: the first oil guide port and the second oil guide port; the distance between the first oil guide port and the second oil guide port is smaller than the distance between the first outlet and the second outlet;
the valve core slides to enable the first oil guide port to correspond to the first outlet, or enable the second oil guide port to correspond to the second outlet.
5. The self-regulating temperature-controlled reversing valve according to any one of claims 1-3, wherein the temperature-varying extension spring is a cylindrical coil spring.
6. The automatically adjusting temperature controlled reversing valve according to any one of claims 1-3, wherein one end of the valve body is connected with a heat exchanger connecting pipe, and the heat exchanger connecting pipe is communicated with the second outlet;
the valve body is also provided with an oil outlet pipe, and the oil outlet pipe is communicated with the first outlet.
7. The self-adjusting temperature controlled reversing valve according to claim 6, wherein a one-way valve is provided on the flowline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210970405.2A CN115325252A (en) | 2022-08-12 | 2022-08-12 | Automatic regulating temp. control change valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210970405.2A CN115325252A (en) | 2022-08-12 | 2022-08-12 | Automatic regulating temp. control change valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115325252A true CN115325252A (en) | 2022-11-11 |
Family
ID=83923289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210970405.2A Withdrawn CN115325252A (en) | 2022-08-12 | 2022-08-12 | Automatic regulating temp. control change valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115325252A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117780744A (en) * | 2024-02-27 | 2024-03-29 | 智奇铁路设备有限公司 | Hydraulic oil circulation cooling device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055212U (en) * | 1989-10-28 | 1990-03-28 | 蒋淑娟 | Temp. controlled automatic flow control valve |
| JPH09296871A (en) * | 1996-05-07 | 1997-11-18 | Matsushita Electric Ind Co Ltd | Seal structure and combination faucet device using it |
| JP2000002360A (en) * | 1998-06-17 | 2000-01-07 | Inax Corp | Mixing valve for water combination faucet |
| CN104912859A (en) * | 2014-03-12 | 2015-09-16 | 空中客车Ds有限责任公司 | Valve assembly, in particular for space travel drive systems, which is closed when not actuated |
| CN109681618A (en) * | 2017-10-18 | 2019-04-26 | 浙江三花汽车零部件有限公司 | A kind of heat-exchange device |
| CN210830711U (en) * | 2019-10-18 | 2020-06-23 | 黄麒志 | Valve body controlled by memory alloy temperature |
-
2022
- 2022-08-12 CN CN202210970405.2A patent/CN115325252A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055212U (en) * | 1989-10-28 | 1990-03-28 | 蒋淑娟 | Temp. controlled automatic flow control valve |
| JPH09296871A (en) * | 1996-05-07 | 1997-11-18 | Matsushita Electric Ind Co Ltd | Seal structure and combination faucet device using it |
| JP2000002360A (en) * | 1998-06-17 | 2000-01-07 | Inax Corp | Mixing valve for water combination faucet |
| CN104912859A (en) * | 2014-03-12 | 2015-09-16 | 空中客车Ds有限责任公司 | Valve assembly, in particular for space travel drive systems, which is closed when not actuated |
| CN109681618A (en) * | 2017-10-18 | 2019-04-26 | 浙江三花汽车零部件有限公司 | A kind of heat-exchange device |
| CN210830711U (en) * | 2019-10-18 | 2020-06-23 | 黄麒志 | Valve body controlled by memory alloy temperature |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117780744A (en) * | 2024-02-27 | 2024-03-29 | 智奇铁路设备有限公司 | Hydraulic oil circulation cooling device |
| CN117780744B (en) * | 2024-02-27 | 2024-05-10 | 智奇铁路设备有限公司 | Hydraulic oil circulation cooling device |
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Application publication date: 20221111 |