CN104344063A - Temperature regulator - Google Patents
Temperature regulator Download PDFInfo
- Publication number
- CN104344063A CN104344063A CN201310332254.9A CN201310332254A CN104344063A CN 104344063 A CN104344063 A CN 104344063A CN 201310332254 A CN201310332254 A CN 201310332254A CN 104344063 A CN104344063 A CN 104344063A
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- China
- Prior art keywords
- push rod
- main body
- body portion
- interface
- diameter end
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Classifications
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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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- 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
- F16K11/044—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 with movable valve members positioned between valve seats
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The invention relates to a temperature regulator comprising a valve provided with an accommodating cavity inside and a thermal element installed in the accommodating cavity. The accommodating cavity is communicated with outside through at least three joints, namely a first joint, a second joint and a third joint; the thermal element comprises an element body and a push rod slidably mounted at one end of the element body, one end of the push rod is exposed out of the element body, and the push rod is provided with a limiting portion; when the fluid temperature is lower, even though sensitive material further shrinks, the limiting portion of the push rod is pressed, the push rod is prevented from extending into a hole of the element body, so that a rubber pipe in the element body can be protected effectively, and the service life of the product can be guaranteed.
Description
Technical field
The present invention relates to technical field of heat exchange, in particular, relate to a kind of thermoregulator.
Background technique
Automobile needs timely make-up oil to ensure the normal operation of automobile in the process of moving between each parts.As oil lubrication performance is good not, automotive service life can be caused to have an impact and even can lead to traffic accident tragedy.The greasy property of lubricant oil has very large associating with the temperature of himself, when lubricating oil temperature too high or too low time, the greasy property of lubricant oil will be affected.
Lubricating oil temperature generally can not be too high when normal traveling, when vehicle overburdening or when being set in snowfield traveling in 4 wheel driven pattern or being cross-country, vehicle travels under fluid torque converter transition skid condition, then TOT Transmission Oil Temperature may be caused too high, thus lose greasy property.
Existing gear box oil realizes temp regulating function mainly through the cooling flowing path of thermoregulator and oil cooler composition.When the temperature of gearbox oil way rises, the heat-sensitive materials expanded by heating of thermostatic element, the passage that gear box oil directly flows back to gearbox is sealed, and high temperature oil enters oil cooler and carries out lowering the temperature and flow back to gearbox oil cooler again.Otherwise when oil temperature is too low, the heat-sensitive materials of thermostatic element starts solidification shrinkage, push rod resets, and the passage that gear box oil directly flows back to gearbox is opened.The oil of gearbox oil way in flow process with the gearbox components and parts generation heat exchange of heating, oil temperature rises gradually, and the heat-sensitive materials of such thermoregulator slowly can expand again and control the flow of oil.
If do not have thermoregulator, the passage of gear box oil and oil cooler keeps unimpeded always, and the oil consumption when low temperature can be caused like this to increase, and the gearbox life-span is affected.Therefore, in actual using process, then do not wish that gear box oil enters oil cooler or only allows a small amount of gear box oil to enter oil cooler in addition to a certain extent when oil temperature is low.The oil entering oil cooler when cooling liquid stream is truncated time is called as interior leakage.In addition due to the change of gear box oil temperature, the relative motion according to temperature variation always between the body of thermostatic element and push rod, if push rod entered deeply, may make sebific duct damaged.
Summary of the invention
An object of the present invention is: the thermoregulator providing a kind of new structure, and the push rod penetration depth of thermostatic element is limited, thus ensures the working life of thermostatic element.The present invention is by the following technical solutions:
A kind of thermoregulator, establish the valve body of receiving cavity in comprising and be arranged on the thermostatic element in described receiving cavity, described receiving cavity is by least three interfaces and ft connection: first interface, the second interface and the 3rd interface, it is characterized in that, described thermostatic element comprises main body portion and is slidably mounted on the push rod of main body portion one end, and one end of push rod is exposed outside main body portion; Described main body portion comprises body and heat-sensitive materials; Described push rod is provided with limited part, and described thermoregulator is also provided with to coordinate with described limited part and carries out spacing spacing auxiliary section on described main body portion or valve body, can control push rod like this and stretch into the degree of depth in the hole of main body portion.Even if like this when fluid temperature (F.T.) is lower, even if heat-sensitive materials shrinks further, the limited part of push rod is conflicted, and push rod can not stretch in the hole of main body portion further, the sebific duct like this in energy available protecting main body portion, thus ensures the working life of product.
Be provided with valve port between described first interface and the 3rd interface, described main body portion also comprises the abutting part coordinated with described valve port, and abutting part and described body are fixedly installed or are wholely set; Described valve body is provided with opening end, and opening end is closed by end cap; Described thermoregulator also comprises the first elastic element and the second elastic element, wherein the second elastic element is arranged on end cap or close end cap side, second elastic element one end and described end cap abut against, the other end at least when action and described push rod inconsistent or indirectly conflict; First elastic element is arranged on the 3rd interface or near the 3rd interface side, one end of the first elastic element is connected to inner wall part or the bottom wall portion of valve body receiving cavity, and the other end is connected to described abutting part or main body portion.And the initial variable force of the second elastic element can be more than or equal to pressure when abutting part abuts to valve port suffered by the first elastic element; When described thermostatic element is heated, heat-sensitive materials expands, conflict at push rod or indirectly conflict after the second elastic element, main body portion moves relative to described push rod and namely moves to the 3rd interface direction, until after abutting part abuts to valve port position, push rod just compresses the second elastic element and moves to end cap direction.
Also be provided with the second valve port between described first interface and the second interface, described second interface, first interface lay respectively at the both sides of the second valve port, and described main body portion also comprises the auxiliary section coordinated with the second valve port; Conflict in auxiliary section the second valve port time, the runner between first interface and the second interface is truncated.
Described spacing auxiliary section comprises through-hole section, and described push rod comprises miner diameter end, and the miner diameter end of push rod can through the through-hole section of described spacing auxiliary section, and the inner of the miner diameter end of push rod is stretched in the hole of the main body portion of described thermostatic element; The limited part of described push rod comprises and is positioned at relatively away from the bigger diameter end be connected with described miner diameter end or the bump protruded in radial direction from push rod base portion of the side of described main body portion; Bigger diameter end is greater than the through-hole section of described spacing auxiliary section or this bump cannot form limited part axially across the through-hole section of described spacing auxiliary section.Bigger diameter end in this specification is relative miner diameter end, is namely greater than miner diameter end, and might not be the maximum position of push rod
Described valve body or described end cap are fixedly installed card-bit part or jump ring, card-bit part or jump ring comprise the through-hole section that the miner diameter end that can hold push rod passes through, card-bit part or jump ring and described valve body or end cap axial restraint, push rod arranges the other end of limited part cannot axially across the through-hole section of described card-bit part or jump ring.
The external diameter that described push rod arranges limited part one end is greater than minor diameter part external diameter, and namely the step surface formed between limited part and minor diameter part forms the confined planes of limited part for conflicting with spacing auxiliary section; The limited part of push rod also comprises the positioning part of through-hole section and indent, and described minor diameter part and limited part are structure as a whole, as processed by integrated through injection molding; Or minor diameter part and limited part are fixedly installed, as by welding, close-fitting, clamping, be threaded fixing etc.
In addition, described spacing auxiliary section comprises through-hole section, and described push rod comprises miner diameter end, and the miner diameter end of push rod can through the through-hole section of described spacing auxiliary section, and the inner of the miner diameter end of push rod is stretched in the hole of the main body portion of described thermostatic element; The limited part of described push rod comprises and is positioned at relatively away from the bigger diameter end be connected with described miner diameter end or the bump protruded in radial direction from push rod base portion of the side of described main body portion; Bigger diameter end is greater than the through-hole section of described spacing auxiliary section or this bump cannot form limit structure axially across the through-hole section of described spacing auxiliary section; Limited part near the side of described end cap and described second elastic element inconsistent or indirectly conflict.
Described spacing auxiliary section is arranged at described main body portion, and described push rod comprises miner diameter end, and the miner diameter end of push rod can through the hole of described main body portion, and the inner of the miner diameter end of push rod is stretched in the hole of the main body portion of described thermostatic element; The limited part of described push rod comprises the bigger diameter end be connected with described miner diameter end or the bump protruded in radial direction from push rod base portion; Bigger diameter end is greater than the hole of described main body portion or this bump cannot form limit structure axially across the hole of described main body portion.
Described spacing auxiliary section is arranged at described main body portion, and described push rod comprises miner diameter end, and the miner diameter end of push rod can through the hole of described main body portion, and the inner of the miner diameter end of push rod is stretched in the hole of the main body portion of described thermostatic element; The limited part of described push rod comprises the bigger diameter end be connected with described miner diameter end or the bump protruded in radial direction from push rod base portion; Bigger diameter end is greater than the hole of described main body portion or this bump cannot form limit structure axially across the hole of described main body portion; And described limited part by spring seat and described second elastic element inconsistent.
Described main body portion can comprise body and end socket, and described spacing auxiliary section can be arranged on described body or end socket.
Described end cap is provided with opening end as holding part, and opening end is towards described valve body receiving cavity, and described second elastic element is arranged in the holding part of end cap; Described thermoregulator also comprises and is arranged at the spring seat of end cap holding part and the gear part of axially locating, and gear part is arranged at end cap opening end near end position; The described second elastic element the other end abuts described spring seat, and the spring seat dorsad one side of holding part compresses with gear part or push rod and contacts; Described push rod when action, push rod by spring seat and the second elastic element inconsistent.
Described spring seat can be planar or straw hat shape, and when described spring seat is planar, the limited part of described push rod abuts to described flat plane when action; When described spring seat is straw hat shape, the limited part of described push rod stretches into or part stretches in the chamber of described spring seat indent.
Thermoregulator of the present invention is by arranging limit structure; thus effectively can control push rod and stretch into the degree of depth in main body portion; even if like this when fluid temperature (F.T.) is lower; even if heat-sensitive materials shrinks further; the limited part of push rod is subject to the conflict of spacing auxiliary section; push rod can not stretch in the hole of main body portion further, the sebific duct like this in energy available protecting main body portion, thus ensures the working life of product.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of thermoregulator of the present invention;
Fig. 2 is the cross-sectional schematic of the first embodiment of thermoregulator of the present invention;
Fig. 3 is the cross-sectional schematic of the thermostatic element of thermoregulator shown in Fig. 2 part;
Fig. 4 is the cross-sectional schematic of thermoregulator the second embodiment of the present invention;
Fig. 5 is the cross-sectional schematic of the thermostatic element of thermoregulator shown in Fig. 4 part;
Fig. 6 is the cross-sectional schematic of the third embodiment of thermoregulator of the present invention;
Fig. 7 is the cross-sectional schematic of the thermostatic element of thermoregulator shown in Fig. 6 part;
Fig. 8 is the cross-sectional schematic of thermoregulator of the present invention 4th kind of embodiment;
Fig. 9 is the cross-sectional schematic of the thermostatic element of thermoregulator shown in Fig. 8 part;
Figure 10 is the schematic diagram of the another kind of push rod of the present invention.
Figure 11 is the cross-sectional schematic of thermoregulator of the present invention 5th kind of embodiment;
Figure 12 is the cross-sectional schematic of thermoregulator of the present invention 6th kind of embodiment;
Figure 13 is the cross-sectional schematic in another orientation of thermoregulator shown in Figure 12;
Figure 14 is the schematic perspective view of the embodiment of the push rod of thermoregulator shown in Figure 12;
Figure 15 is the schematic perspective view of the end cap of thermoregulator shown in Figure 12;
Figure 16 is the schematic perspective view of another mode of execution of thermoregulator push rod of the present invention.
Embodiment
Thermoregulator of the present invention is when concrete use, the heat-sensitive materials of thermostatic element expands according to the oil temperature in thermoregulator or shrinks, thus control the flow that lubricant oil enters the lubricant oil of external fluid cooling unit, the operating temperature of the lubricant oil in gearbox is controlled in effective coverage, do not allow the too high or too low for temperature of lubricant oil, make the lubricity of lubricant oil better, thus the work of available protecting gearbox; And the push rod of thermostatic element has limited part, thus the active strokes of push rod can be ensured, guarantee to cause damage to the sebific duct of thermostatic element because stroke is excessive, even and if initial position is incorrect, push rod also can not be conflicted the bottom of sebific duct, thus can ensure the life-span of product.The embodiment of thermoregulator of the present invention is introduced in detail below in conjunction with accompanying drawing:
Top described in this specification, bottom, the term position such as left and right, upper and lower are all set forth according to relation up and down in accompanying drawing; In addition, some sequence such as first, second grades are mainly distinguished for clarity, and should not regard as limitation of the present invention.The initial variable force of the second elastic element 42 mentioned in this specification refers to, the pressure being just subject to push rod when the second elastic element 42 produces the pressure or its elastic force that when compressive strain makes just no longer to bear the second elastic element 42 applied pressure to the block piece that described push rod is spacing, second elastic element 42 bears.
Fig. 1 to Fig. 3 is the first embodiment of thermoregulator of the present invention, and thermoregulator comprises the valve body 1 that is provided with receiving cavity 14 and coordinates the thermostatic element be arranged in receiving cavity 14; Thermostatic element comprises main body portion 5 and is slidably mounted on the push rod 6 of main body portion one end, and one end of push rod 6 is exposed outside main body portion 5; Described valve body 1 is provided with opening end, and opening end is closed by end cap 2, and end cap 2 is fixed on the opening end of valve body 1 under the effect of jump ring 9; Thermostatic element is arranged in the receiving cavity 14 of valve body 1 by two elastic elements (the first elastic element, the second elastic element).Valve body 1 also comprises three interfaces: first interface 11, second interface 12 and be provided with valve port 131 between the 3rd interface the 13, three interface 13 and first interface 11, second interface 12, and first interface 11 and the second interface 12 are by receiving cavity 14 conducting.The main body portion 5 of thermostatic element comprises body 55, be wholely set with body 55 or fixing abutting part 51, the heat-sensitive materials 52 being positioned at the chamber of body 55, sebific duct 53 and for by end socket 54 hermetically sealed to heat-sensitive materials 52, sebific duct 53.When described thermostatic element is heated, heat-sensitive materials 52 expands, promote sebific duct 53 compression extruding moves, thus push rod opposing body portion is moved, after the second elastic element 42 is conflicted or indirectly conflicted to push rod 6, main body portion 5 moves relative to described push rod 6 and namely moves to the 3rd interface 13 direction, until the abutting part 51 of body abuts to position, valve port 131 place and valve body behind the diapire face of valve port 131 place plane, push rod just compresses the second elastic element 42 and moves to end cap direction.Second elastic element is arranged on end cap or near end cap side, second elastic element one end and described end cap abut against, the other end at least when action and described push rod inconsistent or indirectly conflict; First elastic element 41 is arranged on the 3rd interface or near the 3rd interface side, one end of the first elastic element 41 is connected to inner wall part or the bottom wall portion of valve body receiving cavity, and the other end is connected on described main body portion 5; The initial variable force of the second elastic element 42 is more than or equal to pressure when main body portion hides the first valve port suffered by the first elastic element 41.
Particularly, in the present embodiment, the opening end of valve body 1 is provided with jump ring 9, end cap 2 is fixed on the opening end of valve body 1 under the effect of jump ring 9, its radial position coordinates fixing with the opening end of valve body 1, end cap 2 compresses with jump ring 9 and contacts, and its axial position is fixed.In order to ensure sealing, between the inwall of end cap 2 and valve body 1, be provided with seal ring.End cap 2 is provided with receiving cavity, and the second elastic element 42 is arranged in the receiving cavity of end cap, and one end of the second elastic element 42 abuts with the diapire of end cap receiving cavity, and the other end abuts with the limited part 61 of push rod 6; Second elastic element 42 is limited in the receiving cavity of described end cap by card-bit part 8 with the limited part 61 of push rod 6.Push rod 6 is roughly "T"-shaped structure, and namely the bigger diameter end of push rod 6 forms its limited part; The limited part 61 of push rod 6 is greater than the endoporus portion of card-bit part 8, and the miner diameter end of push rod 6 is less than the endoporus portion of card-bit part 8 and arranges through card-bit part 8, and the inner 62 of the miner diameter end of push rod 6 is stretched in the hole of main body portion 5 of thermostatic element.And one end of the first elastic element 41 is connected to the bottom wall portion of the 3rd interface 13, the other end is connected to the abutting part 51 of main body portion 5.
In addition, in order to easy to connect, thermoregulator also has four connecting ports, is two external-connected ports that the outside side of valve body 1 is arranged respectively, and the connecting tube that valve body 1 opposite side is arranged: the first connecting tube 121 and the second connecting tube 133.Wherein, the first connecting tube 121 is communicated with the second interface 12, and the second connecting tube 133 is communicated with by the 3rd runner 132 with the 3rd interface 13.Heat-sensitive materials when fluid temperature (F.T.) is lower in thermostatic element shrinks, the elastic force of the first elastic element 41 impels thermostatic element main body portion 5 to move to end cap direction, until the upper-end surface of the body 55 of thermostatic element main body portion or the upper-end surface 541 of end socket 54 abut to end cap or shackle member; Now the 3rd interface 13 is communicated with first interface 11, second interface 12, and the fluid of coming in from first interface or the second interface flows out from valve port 131, the 3rd interface 13 with regard to direct; Fluid flow direction also can be contrary in addition, namely comes in from the third channel of the 3rd orifice, and flow out from first interface or the second interface.Fluid temperature (F.T.) is lower to be referred to temperature and reaches the temperature of default low temperature and following.When fluid temperature (F.T.) is lower; even if heat-sensitive materials shrinks further, the confined planes 611 due to the limited part 61 of push rod 6 is subject to the conflict of card-bit part 8, and push rod can not stretch in the hole of main body portion further; sebific duct 53 in such energy available protecting main body portion, thus ensure the working life of product.Heat-sensitive materials when fluid temperature (F.T.) is higher in thermostatic element expands, after the second elastic element 42 is conflicted or indirectly conflicted to push rod 6, main body portion 5 moves relative to described push rod 6 and namely moves to the 3rd interface 13 direction, until the abutting part 51 that main body portion 5 is arranged abuts to position, valve port 131 place and seals the 3rd interface 13, now the bearing surface 511 of abutting part 51 is conflicted and is arrived the planar surface portion at position, valve port 131 place, is no longer communicated with between the 3rd interface with first interface 11, second interface 12; And when fluid temperature (F.T.) raises further, the elastic force opposing body portion 5 that push rod 6 overcomes the second elastic element 42 moves.Fluid temperature (F.T.) is higher refer to temperature reach default high temperature temperature and more than.Like this, thermoregulator move control by the flow of the 3rd interface by thermostatic element main body portion relative to push rod, effectively can control the fluid temperature (F.T.) of thermoregulator.
When assembling, first the main body portion of the first elastic element, thermostatic element is loaded in valve body; And form builtup member together with the push rod of thermostatic element, the second elastic element being assembled into end cap by shackle member; Then load in valve body by builtup member, the endoporus making the inner of push rod aim at main body portion loads, and finally uses jump ring by spacing for the end cap opening end at valve body.
Introduce the second embodiment of the present invention below, as shown in Figure 4, Figure 5, the main distinction of the present embodiment and the first embodiment presented hereinbefore is that the limit method of the orientation type of the structure of end cap, the second elastic element, push rod is different.In the present embodiment, end cap 2 does not arrange receiving cavity, in the inner side of the opening end of valve body, is fixedly installed back-up ring 80, back-up ring 80 can be with the opening end of valve body by being tightly fixed, also can be fixed by snap fit in addition; Back-up ring 80 as to the bounding means of push rod to main body portion medial movement position, simultaneously as the bounding means of thermostatic element main body portion to the movement of end cap direction; End cap 2 is being provided with a bump 21 towards inside line in addition, and push rod is provided with the positioning part 612 of indent towards end cap side at its limited part, second elastic element 42 one end is connected to end cap end face inwardly, one end is connected to the bottom surface of the positioning part 612 of push rod in addition, the radial direction of the second elastic element 42 be subject to the positioning part 612 of push rod, end cap bump 21 and obtain location preferably.The advantage of the present embodiment is that assembling is relatively simple, similarly at low temperatures push rod owing to being subject to the stop of back-up ring, can not to stretch into thermostatic element main body portion inside too dark.In addition, the means of fixation of end cap and valve body is not limited to jump ring means of fixation presented hereinbefore, can also be other means of fixation such as to be threaded in addition.
Introduce the third embodiment of the present invention below, as shown in Figure 6, Figure 7, the main distinction of the present embodiment and first embodiment presented hereinbefore is the difference of limit structure setting unit, in the present embodiment, push rod 6a has a large-diameter portion equally as limited part 63, limited part 63 by spring seat 7 and the second elastic element 42 inconsistent, the upper plane 631 of limited part 63 is inconsistent with the bottom surface of spring seat 7 specifically, and another side and second elastic element 42 of spring seat 7 are inconsistent; Like this, push rod first can fit together with main body portion 5, and it is relatively convenient to install; Limit structure is arranged on the confined planes 632 of push rod 6a limited part 63 and is arranged on the upper-end surface of end socket 54 in addition, namely realizes the spacing of push rod by conflict 541, the upper-end surface of end socket 54 of the confined planes 632 of push rod 6a; Other structures of the present embodiment can refer to the first embodiment, just no longer repeat here.
Introduce the fourth embodiment of the present invention below, as shown in Figure 8, Figure 9, the main distinction of the present embodiment and the 3rd embodiment presented hereinbefore is that the be hit by a bullet structure of spring abutment 7a of the difference of spring seat structure, the present embodiment is similar straw hat shape, and the 3rd embodiment is hit by a bullet, spring abutment 7 is roughly writing board shape.Like this, the limited part 63 of push rod 6a just can stretch in the content cavity of 63 spring seat 7a straw hat shapes, makes the radial position of push rod can obtain good location; In addition, because the straw hat shape of spring seat 7a protrudes to the second elastic element direction, the location making the second elastic element 42 obtain equally, makes the action of thermoregulator more reliable like this.In addition, in several embodiments presented hereinbefore, the limited part of push rod is all roughly in stepped cylindrical shape, the present invention is not limited to this, limited part can also be from the outwardly bump of push rod base portion, plural ear's structure as cambered outwards in footpath or ring structure etc., spacing object can be reached equally like this, as shown in Figure 10.
When concrete use, thermoregulator is by the external external refrigeration device of pipeline and gearbox fuel tank.Control by the temperature variation of the fluid of coming in the flow entering the fluid of external external refrigeration device, thus ensure back the temperature of the fluid of gearbox fuel tank.
In several embodiments presented hereinbefore, first interface is all directly communicated with the second interface, and the present invention is not limited to this, can also arrange the second valve port, as shown in Figure 11,12 between first interface and the second interface.Figure 11 is the cross-sectional schematic of thermoregulator of the present invention 5th kind of embodiment, and this embodiment and the main distinction of the second embodiment presented hereinbefore are that the second interface setting position is different, and are also provided with the second valve port between first interface and the second interface.Particularly, the second interface 120 is arranged on the position near end cap 2, and in the receiving cavity 14 of valve body 1, be also fixedly installed card-bit part 8a, card-bit part 8a has a through-hole section, and through-hole section deflection thermostatic element main body portion side has the second valve port 81; The limited part 61 of push rod 60 is greater than the through-hole section of card-bit part 8a, and limited part 61 is positioned at the opposite side of card-bit part 8a namely near that side of end cap; Conflict in the bottom surface of end cap 2 in second elastic element 42 one end, the other end is conflicted in the bottom of the indent of limited part 61, and obtains radial location by the positioning part of indent; In addition in order to make the second elastic element 42 accurate positioning, end cap is also provided with bump 21; Card-bit part 8a mono-aspect, as the limit structure of push rod 60, makes push rod can not too stretch into toward main body portion 5 direction of thermostatic element; Card-bit part 8a is also provided with as the second interface 120 and the valve port be communicated with between first interface 11 in addition, coordinate with the second abutting part set or fixing on the main body portion 5 of thermostatic element and open or close, and the circulation passage conducting when the second valve port is opened by limited part is arranged, circulation passage can be specifically be arranged on the through-hole section on limited part or the gap portions on limited part; In the present embodiment, the second abutting part is the auxiliary section 551 of the front end, deflection end cap side of the main body portion 5 of thermostatic element, when fluid temperature (F.T.) is lower, heat-sensitive materials 52 shrinks, the elastic force of the first elastic element 41 impels the main body portion of thermostatic element to move to end cap direction, the main body portion 5 of thermostatic element moves relative to push rod 60 and namely moves to end cap side, the second valve port 81 until conflict in the auxiliary section 551 of the main body portion 5 of thermostatic element, is at this moment no longer communicated with between first interface 11 with the second interface 120; When fluid temperature (F.T.) is higher, heat-sensitive materials 52 expands, namely the elastic force that the main body portion 5 of thermostatic element overcomes the first elastic element 41 move to away from end cap direction relative to push rod action, be communicated with by the circulation passage that limited part is arranged between first interface 11 with the second interface 120, fluid can enter through the second interface from first interface and flows out or enter through first interface outflow from the second interface; If the temperature of fluid continues to rise, the main body portion 5 of thermostatic element continues to move relative to push rod 60 namely to move to away from end cap side, the valve port 131 until abutting part 51 of the main body portion 5 of thermostatic element is conflicted, the circulation of such 3rd interface 13 is blocked, and is communicated with completely between first interface 11 with the second interface 120.The flow not needing fluid when being communicated with between first interface with the second interface can be reduced like this, make the flow control of fluid more accurate.
All fixed by jump ring 9 between end cap 2 and valve body 1 in several embodiments presented hereinbefore, namely end cap 2 is fixed on the opening end of valve body 1 under the effect of jump ring 9, the present invention is not limited to this, screw section can also be arranged be fixed between end cap and valve body, as shown in figs. 12-15, this is the cross-sectional schematic of thermoregulator of the present invention 6th kind of embodiment.The main distinction of this embodiment and the 5th embodiment is the means of fixation of end cap and valve body, and the structure of push rod is distinguished to some extent.The end cap 2 of the present embodiment is provided with external thread part 22, and valve body 1 is provided with internal thread part 15 at its opening end, and both cooperations are fixed like this, and by Sealing fitted seal; Such use and maintenance is relatively convenient.The push rod 6b of the present embodiment comprises equally and coordinates to control the limited part 63 that push rod stretches into the degree of depth in main body portion with card-bit part 8a in addition, specifically by the confined planes 633 of limited part 63 and the upper plane of card-bit part 8a inconsistent come this realize spacing.In addition, the push rod 6b in the present embodiment has the positioning part 634 of an indent equally, for the location to the second elastic element 42, also be provided with through-hole section 635 in addition, particularly, through-hole section can be circular hole as shown in figure 14, and the quantity of through-hole section can be 1-6; Through-hole section 635 can also be circular arc composite structure as shown in figure 16 in addition, can alleviate the weight of push rod like this, can realize the circulation of fluid in addition as the circulation passage conducting of limited part.Push rod can be the integrative-structure by machining, also can be the integrative-structure by injection molding in addition; Also can be the structure be secured together by assembling mode in addition, if limited part can be that minor diameter part by being fixedly connected with mode and push rod is fixed and forms push rod, the concrete mode that is fixedly connected be as being threaded, being welded and fixed or being tightly fixed etc.
Above thermoregulator provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and mode of execution, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.Should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention; some improvement and modification can also be carried out to the present invention; as carried out suitable combination or replacement; as carried out replacing to being threaded with the means of fixation of valve body by the end cap in the several embodiments introduced above, carried out replacing etc. by pusher structure, these improve and modify and also should fall in the protection domain of the claims in the present invention.
Claims (11)
1. a thermoregulator, establish the valve body of receiving cavity in comprising and be arranged on the thermostatic element in described receiving cavity, described receiving cavity is by least three interfaces and ft connection: first interface, the second interface and the 3rd interface, it is characterized in that, described thermostatic element comprises main body portion and is slidably mounted on the push rod of main body portion one end, and one end of push rod is exposed outside main body portion; Described main body portion comprises body and heat-sensitive materials; Described push rod is provided with limited part, and described thermoregulator is also provided with to coordinate with described limited part and carries out spacing spacing auxiliary section on described main body portion or valve body, can limit degree of depth when push rod stretches into the darkest in the hole of main body portion like this.
2. thermoregulator according to claim 1, is characterized in that, is provided with valve port between described first interface and the 3rd interface, and described main body portion also comprises the abutting part coordinated with described valve port, and abutting part and described body are fixedly installed or are wholely set; Described valve body is provided with opening end, and opening end is closed by end cap; Described thermoregulator also comprises the first elastic element and the second elastic element, wherein the second elastic element is arranged on end cap or close end cap side, second elastic element one end and described end cap abut against, the other end at least when action and described push rod inconsistent or indirectly conflict; First elastic element is arranged on the 3rd interface or near the 3rd interface side, one end of the first elastic element is connected to inner wall part or the bottom wall portion of valve body receiving cavity, and the other end is connected to described abutting part or main body portion.
3. thermoregulator according to claim 2, it is characterized in that, also be provided with the second valve port between described first interface and the second interface, described second interface, first interface lay respectively at the both sides of the second valve port, and described main body portion also comprises the auxiliary section coordinated with the second valve port; Conflict in auxiliary section the second valve port time, the runner between first interface and the second interface is truncated.
4. according to claim 1-3 wherein arbitrary described thermoregulator, it is characterized in that, described spacing auxiliary section comprises through-hole section, described push rod comprises miner diameter end, the miner diameter end of push rod can through the through-hole section of described spacing auxiliary section, and the inner of the miner diameter end of push rod is stretched in the hole of the main body portion of described thermostatic element; The limited part of described push rod comprises and is positioned at relatively away from the bigger diameter end be connected with described miner diameter end or the bump protruded in radial direction from push rod base portion of the side of described main body portion; Bigger diameter end is greater than the through-hole section of described spacing auxiliary section or this bump cannot form limited part axially across the through-hole section of described spacing auxiliary section.
5. thermoregulator according to claim 4, it is characterized in that, described valve body or described end cap are fixedly installed card-bit part or jump ring, card-bit part or jump ring comprise the through-hole section that the miner diameter end that can hold push rod passes through, card-bit part or jump ring and described valve body or end cap axial restraint, push rod arranges the other end of limited part cannot axially across the through-hole section of described card-bit part or jump ring.
6. thermoregulator according to claim 5, is characterized in that, the external diameter that described push rod arranges limited part one end is greater than minor diameter part external diameter, and namely the step surface formed between limited part and minor diameter part forms the confined planes of limited part for conflicting with spacing auxiliary section; The limited part of push rod also comprises the positioning part of through-hole section and indent, described minor diameter part and limited part is structure as a whole or both are fixedly installed.
7. the thermoregulator according to Claims 2 or 3, it is characterized in that, described spacing auxiliary section comprises through-hole section, and described push rod comprises miner diameter end, the miner diameter end of push rod can through the through-hole section of described spacing auxiliary section, and the inner of the miner diameter end of push rod is stretched in the hole of the main body portion of described thermostatic element; The limited part of described push rod comprises and is positioned at relatively away from the bigger diameter end be connected with described miner diameter end or the bump protruded in radial direction from push rod base portion of the side of described main body portion; Bigger diameter end is greater than the through-hole section of described spacing auxiliary section or this bump cannot form limit structure axially across the through-hole section of described spacing auxiliary section; Limited part near the side of described end cap and described second elastic element inconsistent or indirectly conflict.
8. according to the arbitrary described thermoregulator of claim 1-3, it is characterized in that, described spacing auxiliary section is arranged at described main body portion, described push rod comprises miner diameter end, the miner diameter end of push rod can through the hole of described main body portion, and the inner of the miner diameter end of push rod is stretched in the hole of the main body portion of described thermostatic element; The limited part of described push rod comprises the bigger diameter end be connected with described miner diameter end or the bump protruded in radial direction from push rod base portion; Bigger diameter end is greater than the hole of described main body portion or this bump cannot form limit structure axially across the hole of described main body portion.
9. the thermoregulator according to Claims 2 or 3, it is characterized in that, described spacing auxiliary section is arranged at described main body portion, and described push rod comprises miner diameter end, the miner diameter end of push rod can through the hole of described main body portion, and the inner of the miner diameter end of push rod is stretched in the hole of the main body portion of described thermostatic element; The limited part of described push rod comprises the bigger diameter end be connected with described miner diameter end or the bump protruded in radial direction from push rod base portion; Bigger diameter end is greater than the hole of described main body portion or this bump cannot form limit structure axially across the hole of described main body portion; And described limited part by spring seat and described second elastic element inconsistent.
10. thermoregulator according to claim 9, is characterized in that, described end cap is provided with opening end as holding part, and opening end is towards described valve body receiving cavity, and described second elastic element is arranged in the holding part of end cap; Described thermoregulator also comprises and is arranged at the spring seat of end cap holding part and the gear part of axially locating, and gear part is arranged at end cap opening end near end position; The described second elastic element the other end abuts described spring seat, and the spring seat dorsad one side of holding part compresses with gear part or push rod and contacts; Described push rod when action, push rod by spring seat and the second elastic element inconsistent.
11. thermoregulators according to claim 10, is characterized in that, described spring seat is planar or straw hat shape, and when described spring seat is planar, the limited part of described push rod abuts to described flat plane when action; When described spring seat is straw hat shape, the limited part of described push rod stretches into or part stretches in the chamber of described spring seat indent.
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| CN201310332254.9A CN104344063B (en) | 2013-08-01 | 2013-08-01 | A kind of thermoregulator |
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| CN201310332254.9A CN104344063B (en) | 2013-08-01 | 2013-08-01 | A kind of thermoregulator |
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| CN104344063B CN104344063B (en) | 2016-08-10 |
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| WO2017206706A1 (en) * | 2016-05-31 | 2017-12-07 | 浙江三花汽车零部件有限公司 | Temperature regulating valve |
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| CN110657260A (en) * | 2019-09-30 | 2020-01-07 | 杭州欣茂科技有限公司 | Solar energy light, heat and electricity heat automatic switch-over control valve |
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| EP3786485A4 (en) * | 2018-04-27 | 2021-12-22 | Zhejiang Sanhua Automotive Components Co., Ltd. | Temperature regulating valve and thermal management system provided with temperature regulating valve |
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