CN108930777A - Heat control valve - Google Patents
Heat control valve Download PDFInfo
- Publication number
- CN108930777A CN108930777A CN201710379386.5A CN201710379386A CN108930777A CN 108930777 A CN108930777 A CN 108930777A CN 201710379386 A CN201710379386 A CN 201710379386A CN 108930777 A CN108930777 A CN 108930777A
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- China
- Prior art keywords
- valve
- interface
- elastomeric element
- valve port
- pressure relief
- 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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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
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- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The invention discloses a kind of heat control valve, the heat control valve include in set the valve body of valve chamber and the thermostatic element being mounted in valve chamber, pressure relief ring；The first valve port is turned on or off by thermostatic element, first interface and third orifice or is not connected to；When the first valve port is opened, first elastomeric element is in compressive state, second elastomeric element is in nature retracted position, and the initial elasticity deformation power of the second elastomeric element is more than or equal to the elastic force that the first elastomeric element is generated when the first valve port is closed, when thermostatic element expanded by heating, thermostatic element first moves downward the first elastomeric element of compression until the first valve port is closed, the closing and opening in channel between thermostatic element and pressure relief ring are realized by the elongation or shortening of thermostatic element, to realize between first interface and third interface the disconnection of runner be connected to, reduce the components of valve inner, reduce the factor for causing valve inner to be revealed.
Description
Technical field
The present invention relates to field of fluid control, and in particular to a kind of heat control valve.
Background technique
Automobile needs to guarantee in time with oil lubrication the normal operation of automobile between each component in the process of moving.Such as
Oil lubrication performance is not good enough, will affect automotive service life.And the greasy property of lubricating oil and the temperature of its own have very
Big association, when lubricating oil temperature is excessively high, the greasy property of lubricating oil will receive influence.
Lubricating oil temperature is generally not too high in normally travel, is set in snowfield when vehicle excess load or in 4 wheel driven mode
When travelling or is cross-country, vehicle then may cause TOT Transmission Oil Temperature and spend height in fluid torque-converter transition skid condition downward driving, from
And lose greasy property.
Existing gear box oil mainly realizes temperature tune by the cooling flowing path of heat control valve and external cooling device composition
Save function.When the temperature of gearbox oil way rises, the heat-sensitive materials expanded by heating of thermostatic element, gear box oil directly flows back to change
The channel of fast case is enclosed, and high temperature oil enters external cooling device and cooled down flows back to cooling device outside gearbox again.Therefore,
Heat control valve is control element important in gear box oil cooling flowing path, and how to provide a kind of simple heat control valve of structure is this field skill
Art personnel technical problem urgently to be solved.
Summary of the invention
Technical solution of the present invention provides a kind of heat control valve, including the interior valve body for setting valve chamber and is mounted in the valve chamber
Thermostatic element；The valve body at least provided with three interfaces being connected to of outside, three interfaces include first interface, second connect
Mouth and third interface；It is additionally provided with pressure relief ring in the valve chamber, the pressure relief ring and the valve body slide axially sealing, described
Pressure relief ring offers the first valve port, and the second elastomeric element is provided between the pressure relief ring and the bottom wall of the valve chamber, described
One end of second elastomeric element is in contact with the pressure relief ring, the other end of second elastomeric element and the bottom wall of the valve chamber
It is in contact, is additionally provided with the first elastomeric element between the thermostatic element and the pressure relief ring, the one of first elastomeric element
End is in contact with the thermostatic element, and the other end of first elastomeric element is in contact with the pressure relief ring；
First valve port is turned on or off by the thermostatic element, the first interface and the third interface connect
Lead to or is not connected to；
When first valve port is opened, first elastomeric element is in compressive state, at second elastomeric element
In natural retracted position, and the initial elasticity deformation power of second elastomeric element is more than or equal to first elastomeric element and exists
The elastic force that first valve port generates when closing, when thermostatic element expanded by heating, thermostatic element first moves downward compression first
Elastomeric element is until the first valve port is closed.
The cooperation section that the valve chamber and the pressure relief ring are slidingly sealed has certain length, close when first valve port and
When Fluid pressure in the valve chamber is greater than the elastic force of second elastomeric element at this time, the fluid media (medium) pushes the pressure release
Ring compresses the second elastomeric element and moves downward, and is connected between the first interface and third interface at this time.
The initial elasticity deformation power of second elastomeric element is equal to first elastomeric element and closes in first valve port
The initial elasticity deformation power of the elastic force or second elastomeric element that generate when closing is slightly larger than first elastomeric element in institute
The elastic force generated when the first valve port is closed is stated, after first valve port is closed, the thermostatic element pushes the pressure relief ring pressure
Second elastomeric element that contracts moves downward, and the first interface and the third interface are not connected at this time.
At least part outer wall of the thermostatic element and the inner wall of first valve port are slidingly sealed, second elasticity
The initial elasticity deformation power of component is greater than the elastic force that first elastomeric element is generated when first valve port is closed, when described
When the inner wall of the outer wall of thermostatic element and first valve port is slidingly sealed, first valve port is closed, when first valve port
The initial elasticity shape of second elastomeric element described in when Fluid pressure in closing and the valve chamber is closed greater than first valve port
When variable force or elastic force, the fluid media (medium) pushes the pressure relief ring to compress the second elastomeric element and moves downward, and described first connects
It is connected between mouth and third interface.
There is the second valve port on the first interface and the circulation passage of the second interface, beaten by the thermostatic element
On or off closes second valve port, and the first interface is connected to the second interface or is not connected to；When first valve
When mouth is opened, the thermostatic element closes second valve port；When the thermostatic element moves downward, second valve port is beaten
It opens.
The valve chamber also has spring construction section, and the radial dimension of the spring construction section is less than the radial direction of the cooperation section
Size, the step surface that the lower end of second elastomeric element is supported in spring construction section lower end and the valve chamber is formed.
The pressure relief ring includes roof and side wall, and the side wall and the valve body slides seal, and the roof is equipped with institute
State the first valve port；The roof and the side wall form installation cavity, and the upper end of second elastomeric element is set to the installation
Chamber, against the roof, the peripheral wall of first valve port is provided with chamfer, described for the upper surface of second elastomeric element
The lower end of thermostatic element is provided with round cambered surface, and the chamfer and the round cambered surface circumferentially cooperate against linear sealing.
The upper end of the valve body is also provided with the mounting hole coaxial with the thermostatic element, and the mounting hole is connected to the valve
Chamber, end cap is fixed in the mounting hole, and the radial dimension of the mounting hole is more than or equal to the maximum outside diameter of the valve chamber；
The thermostatic element includes push rod and thermostatic element ontology, and one end of the push rod is installed in the end cap, separately
One end connects the thermostatic element ontology；The lower end of the end cap extends to inside the valve chamber, and second valve port is formed
The channel for being connected to second valve port and the second interface is machined in the end cap, and on the end cap.
The lower end surface of the end cap has groove, and the opening of the groove is second valve port, the thermostatic element sheet
The upper surface of body have with the groove bottom wall cooperation against boss, and the side wall of the groove be provided with connection it is described recessed
The channel of the inner cavity of slot and the second interface.
The valve body is additionally provided with the 4th extraneous interface of connection, and the 4th interface is connected with the third interface.
Heat control valve provided by the present invention was connected to the elongation of thermostatic element or shortened the closing to realize the first valve port
And opening, temperature adjustment valve arrangement of the invention is simple, and since second spring is in nature retracted position, installation is also more square
Just.
Detailed description of the invention
Fig. 1 is heat control valve stereoscopic schematic diagram in a kind of specific embodiment of the present invention；
Fig. 2 is the diagrammatic cross-section of heat control valve shown in Fig. 1；
Fig. 3 is partial enlarged view at A in Fig. 2；
Diagrammatic cross-section when Fig. 4 is heat control valve T1 shown in Fig. 1 and the conducting of T2 interface；
Diagrammatic cross-section when Fig. 5 is heat control valve T1 shown in Fig. 1 and the conducting of C1 interface；
Diagrammatic cross-section when Fig. 6 is heat control valve T1 shown in Fig. 1 and C1 interface, T1 and T2 interface simultaneously turns on；
Fig. 7 is the schematic cross-sectional view of pressure relief ring in a kind of specific embodiment of the present invention；
Fig. 8 is the 3 D stereo schematic diagram of thermostatic element in a kind of specific embodiment of the present invention；
Fig. 9 is the schematic cross-sectional view of thermostatic element shown in Fig. 8；
Figure 10 is the 3 D stereo schematic diagram of the end cap in heat control valve shown in Fig. 1；
Figure 11 is the schematic cross-sectional view of end cap shown in Figure 10.
Wherein, Fig. 1 is into Figure 11：
Valve body 1, the first valve port 1a, the second valve port 1b；Cooperate section 11, spring construction section 12, first interface T1, second interface
C1, third interface T2, the 4th interface C2；
Thermostatic element 2, push rod 21, thermostatic element ontology 22, cambered surface 22a, boss 23；
First elastomeric element 3；
Second elastomeric element 4；
Pressure relief ring 5, roof 51, side wall 52, pressure release through-hole 53, chamfer 5a,
End cap 6, seal section 61, boss 62, installation cavity 63, groove 64.
Specific embodiment
With reference to the accompanying drawings and detailed description, technical solution is specifically described, it is upper and lower described in this specification
What equal term positions were all illustrated according to attached drawing corresponding orientation relationship.
Please refer to Fig. 1 to Fig. 6, Fig. 8, Fig. 9, Fig. 1 be heat control valve stereoscopic schematic diagram in a kind of specific embodiment of the present invention；Figure
2 be the diagrammatic cross-section of heat control valve shown in Fig. 1；Fig. 3 is partial enlarged view at A in Fig. 2；Fig. 4 is heat control valve T1 shown in Fig. 1 and T2
Diagrammatic cross-section when interface is connected；Diagrammatic cross-section when Fig. 5 is heat control valve T1 shown in Fig. 1 and the conducting of C1 interface；Fig. 6 is figure
Heat control valve T1 shown in 1 and C1 interface, diagrammatic cross-section when T1 and T2 interface simultaneously turns on；Fig. 8 is a kind of specific reality of the present invention
Apply the 3 D stereo schematic diagram of thermostatic element in example；Fig. 9 is the schematic cross-sectional view of thermostatic element shown in Fig. 8.
The present invention provides a kind of heat control valve, including valve body 1, the valve body 1 is internally provided with valve chamber and is installed on
Thermostatic element 2 inside valve chamber.Valve body 1 is connected at least provided with three interfaces with outside, that is to say, that valve body 1 passes through three
Inside orifice exterior line and valve chamber.The upper end of valve chamber can also offer the mounting hole coaxial with thermostatic element 2, valve body
Each component such as the thermostatic element 2 inside 1 can be assemblied in inside valve chamber from mounting hole.End cap 6 can be set at mounting hole with reality
Now seal.Specific structure about end cap 6 will hereinafter continue to introduce.
The present invention continues to introduce technical solution for having the heat control valve there are four interface, and four interfaces are respectively：First
Interface T1, second interface C1, third interface T2 and the 4th interface C2.Four interfaces are connected to valve chamber, wherein first interface T1
The opposite position of valve body 1 is set to second interface C1, third interface T2 and the 4th interface C2 are set to the opposite position of valve body 1
It sets.
It should be pointed out that third interface T2 can also be not provided with or be not provided with the 4th interface C2, in the present embodiment,
Piping connection and installation that 4th interface C2 is convenient for heat control valve are set.
Usual valve chamber is a series of cavity formed on valve body 1 by drillings, which is equipped with components.
Heat control valve provided by the present invention is also provided with pressure relief ring 5 in valve chamber, and pressure relief ring slides axially with valve body
Sealing, pressure relief ring 5 offer the first valve port 1a, the second elastomeric element 4 are provided between pressure relief ring 5 and the bottom wall of valve chamber, the
One end of two elastomeric elements 4 is in contact with pressure relief ring 5, and the other end of the second elastomeric element 4 is in contact with the bottom wall of valve chamber, and heat is dynamic
The first elastomeric element 3 is additionally provided between element 2 and pressure relief ring, one end of the first elastomeric element 3 is in contact with thermostatic element 2,
The other end of first elastomeric element 3 is in contact with pressure relief ring 5.
Heat control valve turns on or off the first valve port 1a by thermostatic element 2, that is to say, that thermostatic element 2 can block
Perhaps the first valve port 1a is opened to realize and disconnect (not being connected to) or connection first interface T1 and second interface C1.
When the first valve port 1a is opened, the first elastomeric element 3 is in compressive state, and the second elastomeric element 4 in stretching naturally
Contracting state, and the initial elasticity deformation power of the second elastomeric element 4 is more than or equal to the first elastomeric element 3 and closes in the first valve port 1a
When the elastic force that generates, when 2 expanded by heating of thermostatic element, thermostatic element 2 first moves downward the first elastomeric element of compression 3 until the
One valve port 1a is closed.
It should be noted that the initial elasticity deformation power refers to that elastomeric element is suffered when deformation occurs under factory state
The power arrived.
The initial elasticity deformation force of second elastomeric element 4 is equal to the first elastomeric element 3 and generates when the first valve port 1a is closed
Elastic force or the second elastomeric element 4 initial elasticity deformation force slightly larger than the first elastomeric element 3 when the first valve port 1a is closed
The elastic force of generation, after the first valve port 1a is closed, thermostatic element 2 pushes pressure relief ring to compress the second elastomeric element 4 and moves downward, this
When first interface T1 and third interface T2 be not turned on.
Occur under factory state it should be noted that the initial elasticity deformation force of the second elastomeric element 4 also refers to spring
Suffered power when deformation.The difference range of above-mentioned " being slightly larger than " can be determined according to the functional descriptions of above-mentioned valve.
Wherein the rigidity of the second elastomeric element 4 is greater than the first elastomeric element 3.In this way when interior media temperature increases the dynamic member of heat
When part 2 moves downward, the first elastomeric element 3 is first compressed, the first elastomeric element 3 of compression is to recompression second is elastic afterwards to a certain degree
Component 4.As above design, heat control valve inside can have pooling feature, i.e., in 2 expanded by heating of thermostatic element, closing the first valve
If continuing expansion, thermostatic element 2 is not moved downward and can be damaged after mouth 1a, passes through and pooling feature is arranged, close the first valve port 1a
The second elastomeric element of motion compresses 4 still further below afterwards can prevent thermostatic element 2 from damaging.
In a specific embodiment, at least part outer wall of thermostatic element 2 and the inner wall sliding of the first valve port 1a are close
Envelope, the initial elasticity deformation power of the second elastomeric element 4 are greater than the bullet that the first elastomeric element 3 is generated when the first valve port 1a is closed
Power, when the inner wall of the outer wall of thermostatic element 2 and the first valve port 1a is slidingly sealed, the first valve port 1a is closed, as the first valve port 1a
Fluid pressure in closing and valve chamber is greater than the initial elasticity deformation power or bullet of the second elastomeric element 4 when the first valve port 1a is closed
When power, fluid media (medium) pushes pressure relief ring to compress the second elastomeric element 4 and moves downward, phase between first interface T1 and third interface T2
Connection.
Realize pooling feature by being slidably matched in this way, while the initial elasticity deformation power of the second elastomeric element 4 can be with
It is arranged according to vent pressure, further decreases that (and pooling feature is by the first elastic portion with the degree of association of the first elastomeric element 3
The realization of part 3, movement when pressure relief ring does not need to buffer again yet.
Specifically, the first elastomeric element 3 and 4 rigidity of the second elastomeric element can be by following in a specific embodiment
Formula is chosen.
Referring to FIG. 4, the first elastomeric element 3 and the second elastomeric element 4 are in just when fluid media (medium) is in low-temperature condition
Beginning working condition, at this point, the power of two springs suffered by thermostatic element is：FIt returns=FIt lets out；
Wherein, FIt returnsIt is the first elastomeric element to the active force of thermostatic element, FIt lets outIt is the second elastomeric element to thermostatic element
Active force.
Referring to FIG. 5, the first elastomeric element 3, which is in, does big working depth when fluid media (medium) is in the condition of high temperature, second
Elastomeric element 4 can not reach critical altitude by compression a part.At this point, FIt returns≥PBack*S1；Wherein P back indicate C1,
The pressure difference at the both ends C2, S1 indicate that fluid thermal moves member upper cross-sectional area.FIt lets out> F, which returns 2+P back * S2S2, indicates that fluid is made at this time
Area for pressure relief ring
Referring to FIG. 6, Fig. 6 is the high temperature pressure release stage, the first elastomeric element 3 and the second elastomeric element 4 are compressed into most
Big working condition, FIt lets out≈RP*S2+FIt returns；Wherein RP is to be set according to customer requirement.
Wherein, according to known thermostatic element standard-sized sheet stroke x, then the height △ x of pressure release spring-compressed can be calculated, and full
Foot：FIt lets out=FIt lets out+kIt lets out*△x。
Thermostatic element 2 may include push rod and thermostatic element ontology 22, and push rod is made of heat-sensitive materials, and heat-sensitive materials can
Volume change is generated with the variation of temperature, to make push rod extend or shorten, to push 22 edge of thermostatic element ontology
Valve chamber moves up and down.
Specifically, there is the second valve port 1b on the circulation passage of first interface T1 and third interface T2, thermostatic element 2 it is upper
End can be connected to or close the second valve port 1b.
Heat control valve working principle provided by the present invention is as follows：When temperature of fluid medium is lower, (heat is dynamic for thermostatic element 2
Component body 22) the second valve port 1b, first interface T1 and second interface C1 disconnection are closed, the first valve port 1a is opened, first interface
T1 passes through the channel (the first valve port 1a) formed between thermostatic element 2 and pressure relief ring 5 with third interface T2 and is connected to.
When temperature of fluid medium is higher, thermostatic element 2 compresses the first elastomeric element 3 to the movement of pressure relief ring 5, the second valve port
1b is opened, and first interface T1 is connected to second interface C1 by the second valve port 1b, and the first valve port 1a is progressively closed off.
Specifically, the maximum outside diameter of thermostatic element 2 can be less than the outer diameter of pressure relief ring 5, and valve chamber is slidingly sealed with pressure relief ring 5
Cooperation section 11 there is certain length, when the first valve port 1a is closed and Fluid pressure in valve chamber is greater than the second elastomeric element at this time
When 4 elastic force (such as when the temperature of fluid media (medium) is relatively high and second interface C1 is blocked), fluid media (medium) pushes pressure relief ring 5 to compress
Second elastomeric element 4 moves downward, and then separates thermostatic element 2 with pressure relief ring 5, in this way thermostatic element 2 and pressure relief ring 5 it
Between formed connection first interface T1 and third interface T2 channel, i.e. first interface T1 and third interface T2 conducting.It is achieved
Valve chamber internal pressure relief.
From the above, it can be seen that heat control valve is in hot operation in the present invention, because the rigidity of the second elastomeric element 4 is big
In the rigidity of the first elastomeric element 3, therefore thermostatic element 2 first compresses the first elastomeric element 3, and thermostatic element 2 moves down, the second valve port 1b
Conducting, realization first interface T1 are connected to second interface C1's, until thermostatic element 2 is moved to it with pressure relief ring 5 against closing
Channel (the first valve port 1a) between thermostatic element 2 and pressure relief ring 5, first interface T1 and third interface T2 are fully disconnected at this time.
When heat control valve internal pressure continues to increase, fluid media (medium) also increases with it the pressure of pressure relief ring 5, when increasing to
Compression pressure relief ring 5 is moved downward jointly with the first elastomeric element 3 to a certain degree, pressure relief ring 5 is down away from thermostatic element
2, therefore the first valve port 1a is opened, first interface T1 is connected to again with third interface T2.
With thermostatic element 2 in the prior art compared with fixed block cooperates and realizes first interface T1 connection or disconnect, the present invention
Realize heat control valve work normally in the case where, make thermostatic element 2 directly with pressure relief ring 5 cooperate, with realize first interface T1 and
Between third interface T2 the disconnection of runner be connected to, reduce the components inside valve body 1, reduction causes 1 internal leakage of valve body
Factor.
Further, valve chamber also has spring construction section 12, and the diameter of spring construction section 12 may be approximately equal to or omit
Greater than the maximum outside diameter of the second elastomeric element 4.The radial dimension of spring construction section 12 be less than cooperation section 11 radial dimension, second
The lower end of elastomeric element 4 is supported in spring construction section 12 and valve chamber is formed on the step surface of connection.
That is, the spring construction section 12 radially limited for the lower end to the second elastomeric element 4 is provided in valve chamber,
Spring construction section 12 not only plays the role of compression guiding to second spring, but also also acts as the effect of installation positioning, improves peace
Fill efficiency and installation accuracy.
Referring to Figure 7, Fig. 7 is the schematic cross-sectional view of pressure relief ring in a kind of specific embodiment of the present invention.
Pressure relief ring 5 in the various embodiments described above may include roof and side wall, and side wall is slidingly sealed with valve body 1, on roof
Equipped with the first valve port 1a, the lower end of thermostatic element ontology 22 and pressure release through-hole are against cooperation, to be connected to or close the first valve
Mouth 1a.Roof and side wall form installation cavity, and the upper end of the second elastomeric element 4 is set to installation cavity, the upper end of the second elastomeric element 4
Face is against the lower surface of roof.
The side wall of pressure relief ring 5 is contacted with valve body 1 in above-described embodiment, and the contact area of the two is bigger, and improving sealing can
By property.And the roof of pressure relief ring 5 and side wall form the installation cavity of the second elastomeric element 4, are conducive to increase by the second elastomeric element 4
Flexible stability when installation and work.
The peripheral wall of the first valve port 1a is also provided with chamfer in the various embodiments described above, under thermostatic element ontology 22
End is provided with round cambered surface, and circumferentially against linear sealing, linear sealing performance is preferable for cooperation for chamfer and round cambered surface.
As described above, the mounting hole coaxial with thermostatic element 2 is offered on valve body 1, each component self installation hole in valve body 1
It is installed on inside valve chamber, inevitable, the radial dimension of mounting hole is more than or equal to the maximum outside diameter of valve chamber.
Figure 10 and Figure 11 are please referred to, Figure 10 is the 3 D stereo schematic diagram of the end cap in heat control valve shown in Fig. 1；Figure 11 is figure
The schematic cross-sectional view of end cap shown in 10.
Mounting hole and thermostatic element 2 are coaxial, and the inside of mounting hole is fixed with end cap 6.One end of push rod is installed on end cap 6
Interior, the other end connects thermostatic element ontology 22.As shown in figure 11, end cap 6 includes seal section 61 and installation cavity 63, and seal section 61 is pacified
Inside mounting hole, the upper end of push rod is installed on inside installation cavity 63.The lower end of end cap 6 extends to inside valve chamber, and second
Valve port 1b is formed in the lower end of end cap 6, and the channel of the second valve port 1b and second interface C1 of connection is machined on end cap 6
6a。
Second valve port 1b is formed on end cap 6, is conducive to simplify valve chamber internal structure, is reduced the processing technology of valve chamber.
It can be seen from the figure that the mounting hole, valve chamber and the cooperation section 11 of the cooperation of pressure relief ring 5, spring in the present invention are installed
Chamber 12 is coaxially disposed, and each section of formation stepped hole, the diameter of stepped hole successively decreases step by step from top to bottom.
Specifically, the lower end surface of end cap 6 has groove 64, and the opening of groove 64 is the second valve port 1b, thermostatic element ontology
22 upper surface have with groove bottom wall cooperation against boss 23, and the side wall of groove 64 be provided with communication groove inner cavity with
The channel of second interface C1.Specifically, groove bottom wall can further have bending edges 62, and thermostatic element ontology 22 is against bending
Side 62.The sealing area of thermostatic element ontology 22 Yu groove bottom wall can be increased in this way.
First elastomeric element 3 can be helical spring, and helical spring is sheathed on the periphery of thermostatic element ontology 22, and two
End bear against the boss lower surface and the pressure relief ring 5.Thermostatic element ontology 22 is completely disposed at helical spring in this way
Inside, there is thermostatic element ontology 22 good to neutral and stability.
And from the above, it can be seen that the first elastomeric element 3 is set to the outside of end cap 6, simplify the interior of end cap 6
Portion's structure not only can reduce inner space, realize the miniaturization of valve body 1, and can substantially reduce cost of manufacture.
Above-mentioned heat control valve can will be located at the first elastomeric element 3 inside valve body 1, pressure relief ring in assembly in the present invention
5, the second elastomeric element 4, thermostatic element 2 and end cover complete assembling outside valve body 1, then install the entirety after assembling again
To valve chamber.
It is of course also possible to which bottom-up gradually install to valve chamber.
The above is only specific embodiments of the present invention, is not intended to limit the present invention in any form, and
And directionalities vocabulary is described with attached drawing up and down etc. appeared in text, is not limited its orientation.Although
The present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention.Anyone skilled in the art,
Without departing from the scope of the technical proposal of the invention, all technical solution of the present invention is made using the disclosure above technology contents
Many possible changes and modifications or equivalent example modified to equivalent change.Therefore, all without departing from the technology of the present invention side
The content of case, any simple modifications, equivalents, and modifications made to the above embodiment according to the technical essence of the invention,
It still falls within the scope of protection of the technical scheme of the present invention.
Claims (10)
1. a kind of heat control valve, including the interior valve body for setting valve chamber and the thermostatic element being mounted in the valve chamber；The valve body is extremely
It is provided with three interfaces being connected to outside less, three interfaces include first interface, second interface and third interface；Its feature exists
In being additionally provided with pressure relief ring in the valve chamber, the pressure relief ring and the valve body slide axially sealing, and the pressure relief ring opens up
There is the first valve port, the second elastomeric element, second elastic portion are provided between the pressure relief ring and the bottom wall of the valve chamber
One end of part is in contact with the pressure relief ring, and the other end of second elastomeric element is in contact with the bottom wall of the valve chamber, institute
It states and is additionally provided with the first elastomeric element between thermostatic element and the pressure relief ring, one end of first elastomeric element and the heat
Dynamic element is in contact, and the other end of first elastomeric element is in contact with the pressure relief ring；
Turn on or off first valve port by the thermostatic element, the first interface and the third interface connection or
Person is not connected to；
When first valve port is opened, first elastomeric element is in compressive state, and second elastomeric element is in certainly
Right retracted position, and the initial elasticity deformation power of second elastomeric element is more than or equal to first elastomeric element described
The elastic force that first valve port generates when closing, when thermostatic element expanded by heating, thermostatic element first moves downward the first elasticity of compression
Component is until the first valve port is closed.
2. heat control valve as described in claim 1, which is characterized in that the cooperation section that the valve chamber and the pressure relief ring are slidingly sealed
With certain length, when the Fluid pressure in first valve port closing and the valve chamber is greater than second elastomeric element at this time
Elastic force when, the fluid media (medium) pushes the pressure relief ring to compress the second elastomeric element and moves downward, at this time the first interface
It is connected between third interface.
3. heat control valve as claimed in claim 2, which is characterized in that the initial elasticity deformation power of second elastomeric element is equal to
The initial elasticity of elastic force or second elastomeric element that first elastomeric element is generated when first valve port is closed
Deformation power is slightly larger than the elastic force that first elastomeric element is generated when first valve port is closed, when first valve port is closed
Afterwards, the thermostatic element pushes the pressure relief ring to compress second elastomeric element and moves downward, at this time the first interface with
The third interface is not connected to.
4. heat control valve as described in claim 1, which is characterized in that at least part outer wall of the thermostatic element and described the
The inner wall of one valve port is slidingly sealed, and the initial elasticity deformation power of second elastomeric element is greater than first elastomeric element in institute
The elastic force generated when the first valve port is closed is stated, when the inner wall of the outer wall and first valve port of the thermostatic element is slidingly sealed
When, first valve port is closed, when the Fluid pressure in first valve port closing and the valve chamber is greater than first valve port
When the initial elasticity deformation power or elastic force of the second elastomeric element described in when closing, the fluid media (medium) pushes the pressure relief ring pressure
Second elastomeric element that contracts moves downward, and is connected between the first interface and third interface.
5. heat control valve as described in claim 1, which is characterized in that the circulation passage of the first interface and the second interface
It is upper that there is the second valve port, second valve port is turned on or off by the thermostatic element, the first interface and described the
Two orifices are not connected to；When first valve port is opened, the thermostatic element closes second valve port；When described
When thermostatic element moves downward, second valve port is opened.
6. heat control valve as claimed in claim 2, which is characterized in that the valve chamber also has spring construction section, the spring peace
The radial dimension for filling section is less than the radial dimension of the cooperation section, and the lower end of second elastomeric element is supported in the spring
The step surface that construction section lower end and the valve chamber are formed.
7. heat control valve as claimed in claim 6, which is characterized in that the pressure relief ring includes roof and side wall, the side wall with
The valve body slides sealing, the roof are equipped with first valve port；The roof and the side wall form installation cavity, described
The upper end of second elastomeric element is set to the installation cavity, and the upper surface of second elastomeric element is described against the roof
The peripheral wall of first valve port is provided with chamfer, and the lower end of the thermostatic element is provided with round cambered surface, the chamfer
Circumferentially cooperate against linear sealing with the round cambered surface.
8. heat control valve as claimed in claim 5, which is characterized in that the upper end of the valve body is also provided with and the thermostatic element
Coaxial mounting hole, the mounting hole are connected to the valve chamber, are fixed with end cap, the radial ruler of the mounting hole in the mounting hole
The very little maximum outside diameter more than or equal to the valve chamber；
The thermostatic element includes push rod and thermostatic element ontology, and one end of the push rod is installed in the end cap, the other end
Connect the thermostatic element ontology；The lower end of the end cap extends to inside the valve chamber, and second valve port is formed in institute
End cap is stated, and is machined with the channel for being connected to second valve port and the second interface on the end cap.
9. heat control valve as claimed in claim 8, which is characterized in that the lower end surface of the end cap has groove, the groove
Opening is second valve port, the upper surface of the thermostatic element ontology have with groove bottom wall cooperation against boss,
And the side wall of the groove is provided with the channel of the inner cavity and the second interface that are connected to the groove.
10. heat control valve as described in claim 1, which is characterized in that the valve body is additionally provided with the 4th extraneous interface of connection,
4th interface is connected with the third interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710379386.5A CN108930777B (en) | 2017-05-25 | 2017-05-25 | Temperature regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710379386.5A CN108930777B (en) | 2017-05-25 | 2017-05-25 | Temperature regulating valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108930777A true CN108930777A (en) | 2018-12-04 |
| CN108930777B CN108930777B (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710379386.5A Active CN108930777B (en) | 2017-05-25 | 2017-05-25 | Temperature regulating valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747167A (en) * | 2019-10-29 | 2021-05-04 | 浙江三花汽车零部件有限公司 | Temperature regulating valve |
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| WO2017001302A1 (en) * | 2015-07-02 | 2017-01-05 | Robert Bosch Gmbh | An injector having a shape memory spring |
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| CN102449570A (en) * | 2009-05-29 | 2012-05-09 | 丰田自动车株式会社 | Thermo-valve |
| CN102954228A (en) * | 2011-08-23 | 2013-03-06 | 通用汽车环球科技运作有限责任公司 | Thermostatic valve assembly |
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| Publication number | Publication date |
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| CN108930777B (en) | 2020-04-17 |
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