CN206398157U - A kind of valve body - Google Patents

Abstract

The utility model discloses a kind of valve body, valve body is in the cylinder-like structure of both ends open, the two ends of valve body are respectively arranged with the first opening portion and the second opening portion, valve body includes accommodating chamber, accommodating chamber is located between the first opening portion and the second opening portion, the first breach is offered in the side wall of the corresponding valve body of accommodating chamber, the valve body includes the first auxiliary section and the second auxiliary section that external diameter is gradually reduced, and the formation between the first auxiliary section and the second auxiliary section has step.Valve body structure is simply compact, easy to process.

Description

A kind of valve body

Technical field

The utility model is related to field of fluid control, and in particular to a kind of parts of valve.

Background technology

Automobile needs to ensure the normal operation of automobile with oil lubrication in time between each part in the process of moving.Such as Fruit oil lubrication performance is not good enough to influence 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 too high or too low, the greasy property of lubricating oil can be affected.

Lubricating oil temperature is general will not be too high in normally travel, and snowfield is set in when vehicle excess load or in 4 wheel driven pattern When travelling or be cross-country, vehicle is then likely to result in TOT Transmission Oil Temperature and spends height in fluid torque-converter transition skid condition downward driving, from And lose greasy property.

Existing gear box oil mainly realizes that temperature is adjusted by the cooling flowing path of heat control valve and outside cooling device composition Save function.

But existing heat control valve needs to be connected with outside cooling device by pipeline, so makes the arrangement of parts more multiple Miscellaneous, space-consuming is larger, while also bringing the problem of leakage risk is larger.

Utility model content

In order to improve miniaturization and the integrated level of gear box oil cooling system, the utility model provides a kind of valve body, and it is special Levy and be, the valve body is in the cylinder-like structure of both ends open, the two ends of the valve body are respectively arranged with the first opening portion and the Two opening portions, the valve body includes accommodating chamber, and the accommodating chamber is located between the first opening portion and the second opening portion, holds described The side wall of the corresponding main valve body of chamber of receiving offers the first breach, the main valve body include the first auxiliary section that external diameter is gradually reduced and Second auxiliary section, the formation between first auxiliary section and the second auxiliary section has step, and first auxiliary section and second are matched somebody with somebody Conjunction portion and the inwall gap of the pedestal corresponding to the chamber through pedestal coordinate.

The valve body also includes diversion division, and the external diameter of the diversion division is less than the external diameter of the second auxiliary section, and described first lacks Mouth is opened in the diversion division.

The valve body also includes the 3rd auxiliary section and diversion division, and the external diameter of the 3rd auxiliary section is less than described second and coordinated The external diameter in portion, first breach is opened in the diversion division.

The main valve body also includes the 4th auxiliary section, and the external diameter of the 4th auxiliary section is less than the external diameter of the diversion division.

The internal diameter of the accommodating chamber is more than the internal diameter of the described second opening, and the internal diameter of the accommodating chamber is opened less than described first The internal diameter of mouth, is formed with step, between the accommodating chamber and first opening between the accommodating chamber and second opening It is formed with step.

The annular groove offered for accommodating seal of second auxiliary section and the 4th auxiliary section.

First breach includes the first sub- breach and the second sub- breach, the described first sub- breach and the second sub- breach it Between be provided with loop connecting portion, the loop connecting portion for the side wall of the valve body a part.

4th auxiliary section is internally provided with internal thread.

Valve body of the present utility model, it is simple and compact for structure, it is easy to process.

Brief description of the drawings

Fig. 1 is the dimensional structure diagram of the valve module of the embodiment of the utility model one.

Fig. 2 is cross-sectional view of the valve module shown in Fig. 1 when the first valve port is closed, the second valve port is opened.

Fig. 3 is cross-sectional view of the valve module shown in Fig. 1 when the second valve port is closed, the first valve port is opened.

Fig. 4 is the main valve body cross-sectional view of valve module shown in Fig. 1.

Fig. 5 is the upper valve sleeve dimensional structure diagram of valve module shown in Fig. 1.

Fig. 6 is the support cap dimensional structure diagram of valve module shown in Fig. 1.

Fig. 7 is the lower valve sleeve dimensional structure diagram of valve module shown in Fig. 1.

Fig. 8 is the cross-sectional view of lower valve sleeve shown in Fig. 7.

Fig. 9 is the schematic perspective view of an embodiment of the heat exchanger assembly of the present utility model for being provided with valve module.

Figure 10 is Fig. 9 schematic cross-sectional view.

Figure 11 is close-up schematic views of the Figure 10 at valve module position.

Figure 12 is work signal of the gear box oil temperature regulating system with Fig. 9 heat exchanger assemblies in cooling oil low temperature Figure.

Figure 13 is work of the gear box oil temperature regulating system with heat exchanger assembly shown in Fig. 9 in cooling oil high temperature Schematic diagram.

Figure 14 is the schematic perspective view of the another embodiment of the heat exchanger assembly of the present utility model for being provided with valve module.

Figure 15 is work of the gear box oil temperature regulating system with heat exchanger assembly shown in Figure 14 in cooling oil low temperature Make schematic diagram.

Figure 16 is work of the gear box oil temperature regulating system with heat exchanger assembly shown in Figure 14 in cooling oil high temperature Make schematic diagram.

Arrow represents fluid flow direction in figure.

Embodiment

Initial deformation power described in this specification refer to product when unused the spring in compressive state by external force Effect will produce the pressure produced during deformation.

With reference to the accompanying drawings and detailed description, technical scheme is specifically described, top described in this specification, What the term positions such as bottom, left side, right side were all illustrated according to accompanying drawing corresponding orientation relation.

As depicted in figs. 1 and 2, valve module includes hollow main valve body 1 and the thermostatic element 6 in main valve body 1.It is main The both ends open of valve body 1, the both ends inside main valve body 1 are installed with upper valve sleeve 2 and lower valve sleeve 3 respectively.In main valve body The first spring 4 and second spring 5 are additionally provided with 1, one end and the lower valve sleeve 3 of the first spring 4 are abutted against, the first spring 4 it is another One end and one end of thermostatic element 6 are abutted against, and one end of second spring 5 and the other end of thermostatic element 6 are abutted against, second spring 5 other end is abutted against with upper valve sleeve 2.First spring 4 and second spring 5 are in compressive state, so that thermostatic element 6 is fixed In in main valve body 1.

As shown in figure 4, the two ends of main valve body 1 are respectively arranged with the first opening 11 and the second opening 12, wherein the first opening 11 internal diameter is more than the internal diameter of the second opening 12, and the inwall of the second opening 12 is provided with internal thread.Appearance is additionally provided with main valve body 1 Receive chamber 15, accommodating chamber 15 is located between the first opening 11 and the second opening 12, the internal diameter of accommodating chamber 15 is less than the first opening 11 Internal diameter, is formed with stage portion between the first opening 11 and accommodating chamber 15, and the internal diameter of the second opening 12 is less than the interior of accommodating chamber 15 Footpath, stage portion is formed between the opening of accommodating chamber 15 and second 12.

The side wall of main valve body 1 corresponding to accommodating chamber 15 offers the first breach 13, and the first breach 13 is located at lower valve sleeve 3 Top, specifically in the present embodiment, the first breach 13 are formed with stage portion between the first opening 11 and accommodating chamber 15.For Make the aperture area of the first breach 13 larger, while making main valve body 1 more consolidate again, first breach 13 includes the first son and lacked The sub- breach 132 of mouth 131 and second, while being provided with loop connecting portion between the first sub- breach 132 of sub- breach 131 and second 14, wherein loop connecting portion 14 can be a part for the side wall of main valve body 1.If being not provided with loop connecting portion 14, so, when When first breach 13 is larger, the side wall of the main valve body 13 of part corresponding to the first breach 13 is connecting pole 133, such main valve body 1 Steadiness it is relatively low, and by setting loop connecting portion 14, can preferably improve the steadiness of main valve body 1.

As figure 5 illustrates, upper valve sleeve 2 is in class cap-like structure, and upper valve sleeve 2 includes the larger supporting part 21 of external diameter and relative support portion The less main part 20 of 21 external diameters, is maintained a certain distance with shape between the outer wall of the main part and the inwall of the accommodating chamber Into fluid passage.A chamber is provided with main part 20, second spring 5 is placed in the intracavitary of main part 20, the intracavitary of main part 20 A support cap 93 is additionally provided with, support cap 93 is fixed by the second buckle 92.One end of second spring 5 and the bottom of main part 20 23 inner bottom surface is abutted against, and the other end and the support cap 93 of second spring 5 are abutted against.Supporting part 21 is additionally provided with the second valve port 211, the second valve port 211 is relative with the chamber of main part 20 and is connected, and the second valve port 211 can be a part for chamber.Main part 20 are being provided with the second breach 22 close to the part of supporting part 21, wherein the second breach 22 is located at the lower section of support cap 93, second lacks Mouth 22 is connected with the second valve port 211.So fluid can flowed out through after the second valve port 211 by the second breach 22 Valve pocket 2.

Change the application scenario for requiring higher for flow resistance at some, because the second breach 22 is located at support cap 93 Lower section, the flow area of the second breach 22 still can be not big enough, so that flow resistance reduction can be caused larger.In the present embodiment, it is The further reduction for reducing flow resistance, improves the flow area that fluid flows out upper valve sleeve, as shown in fig. 6, can also be in support The epitaxy part 931 of cap 93 offers at least one notch 932.So it is formed between the inwall of notch 932 and upper valve sleeve 2 for stream Body passes through fluid passage.

Upper part alternatively, it is also possible to the support cap 93 in the main part 20 of upper valve sleeve 2 offers the 3rd breach 232, The fluid passage that a part of fluid can be formed after by the second valve port 211 through the inwall of notch 932 and upper valve sleeve 2 Upper valve sleeve 2 is flowed out by the 3rd breach 232 afterwards.In order to improve stability of the support cap 93 in motion process, prevent from supporting cap 93 stroke is produced with the 3rd breach 232 to intersect, and the 3rd breach 232 can be located at what the support compression second spring 5 of cap 93 was moved The top of epitaxy part 931 during range.

The present embodiment is further also offered in the bottom 23 of main part 20 in the 3rd opening 231, such fluid outflow The resistance of valve pocket 2 is further reduced.

Enable a fluid to more smoothly flow out upper valve sleeve 2 by above-mentioned setting, reduction fluid flows out the flow resistance of upper valve sleeve 2.

As shown in Fig. 2 the supporting part 21 of upper valve sleeve 2 between the first opening 11 and accommodating chamber 15 with being formed with stage portion phase Contact, upper valve sleeve 2 can be fixed by the first buckle 91, and gap coordinates between the inwall of supporting part and the first opening.Here should When pointing out, upper valve sleeve 2 can also be fixed (such as riveting, threaded connection) by other means.In order to improve sealing property, also Sealing ring can be set between supporting part 21 and the inwall of accommodating chamber 15.Such first breach 13 can pass through the second valve port 211 respectively with the second breach, the 3rd breach and the 3rd open communication.

As shown in Fig. 2 a part for lower valve sleeve 3 is located at accommodating chamber 15, another part of lower valve sleeve 3 is located at the second opening 12 And it is threadedly coupled between the inwall of the second opening 12.

As shown in fig. 7, lower valve sleeve 3 includes seat portion 34, spring support seat 33, auxiliary section 35 and passing through through lower valve sleeve 3 First valve port 31 for running through seat portion is provided with through hole 32, seat portion 34, first valve port 31 can be through hole 32 A part, relative to the first breach, the first valve port is relatively distant from the first opening.Auxiliary section 35 is provided with external screw thread, Ke Yiyu The internal thread of second opening 12 of main valve body 1 is engaged, so that lower valve sleeve 3 is fixedly mounted.

In the present embodiment, for the ease of the installation of lower valve sleeve 3, it is additionally provided with the recess for being depressed in spring supporting portion 33 37, recess 37 can be polygonized structure or multiple concave configurations, not be limited here.

As shown in figure 8, in the present embodiment, the 4th breach is additionally provided between spring supporting portion 33 and seat portion 34 36.4th breach 36 through hole 32 part corresponding with auxiliary section 35 is connected, i.e., the fluid through the 4th breach 36 can be with Lower valve sleeve 3 is flowed out by the lower port of through hole 32.

As shown in Fig. 2 the auxiliary section 35 of lower valve sleeve 3 and the second opening 12 of main valve body 1 are connected through a screw thread fixation.First One end of spring 4 is abutted against with thermostatic element 6, and the other end is abutted against with spring support seat 33.

The external diameter of seat portion 34 is more than the external diameter of the other parts of lower valve sleeve 3, and the external diameter of seat portion 34 is less than receiving The passage for flow of fluid is formed between the internal diameter of chamber 15, the inwall corresponding to the outer wall and accommodating chamber 15 of seat portion 34. The spring 8 of pressure relief ring 7 and the 3rd is additionally provided with accommodating chamber 15, the pressure relief ring is provided with through hole, described to let out by the through hole Pressure ring is sheathed on the lower valve sleeve, and the internal diameter of the through hole is less than the external diameter of the seat portion so that pressure relief ring 7 can be with valve seat Portion 34 is abutted against, and is slidably matched between the inwall corresponding to pressure relief ring 7 and accommodating chamber 15.One end of 3rd spring 8 and pressure relief ring 7 Abut against, the stage portion formed between the other end and the opening of accommodating chamber 15 and second 12 is abutted against, and the 3rd spring 8 is in pressure Contracting state.In normal state, pressure relief ring 7 is abutted against in the presence of the 3rd spring 8 with seat portion 34, the outer wall of seat portion 34 The passage of the confession flow of fluid formed between the inwall corresponding to accommodating chamber 15 is closed by pressure relief ring 7, outside seat portion 34 The passage of the confession flow of fluid formed between wall and the inwall corresponding to accommodating chamber 15 can not be connected with the 4th breach 36.Work as stream When the active force that body acts on the upper surface of pressure relief ring 7 is more than the initial elasticity deformation power of the 3rd spring 8, pressure relief ring 7 is moved downward The 3rd spring 8 is compressed, when pressure relief ring 7 is moved downwardly to intersect with the 4th breach 36 or during positioned at the 4th 36 lower section of breach, valve The passage of the confession flow of fluid formed between inwall corresponding to the outer wall and accommodating chamber 15 of portions 34 by the 4th breach 36 and Second opening 12 is connected.

As shown in Figures 2 and 3, thermostatic element 6 includes the first valve element 62 and the second valve element 61, the first valve element 62 and first Valve port 31 is corresponding, can be with the first valve port of either on or off 31 by the first valve element 62, and the second valve element 61 is relative with the second valve port 211 Should, can be with the second valve port of either on or off 211 by the second valve element 61.

Also, the initial elasticity deformation power of second spring 5 is more than the elastic deformation of the first spring when the first valve port 31 is closed Power, so when the first valve port 31 is closed, if the fluid temperature (F.T.) flowed into from the first breach 13 is higher, in thermostatic element 6 Heat-sensitive materials may proceed to expansion, at this moment, the push rod of thermostatic element 6 start can motion compresses second spring 5 upwards, so as to prevent Heat-sensitive materials excessively expansion damages thermostatic element 6.

The valve module of the present embodiment at least includes two states：1st, the first valve port is opened, and the second valve port is closed, the 2, first valve Mouth is closed, and the second valve port is opened.When the fluid temperature (F.T.) flowed into from the first breach 13 is relatively low, the first valve element 62 of thermostatic element 6 Away from the first valve port 31 in the presence of the restoring force of the first spring 4, now the first valve port 31 is opened, and the second valve port 211 is closed, Fluid can pass sequentially through the first valve port 31, the opening of through hole 32 and second 12 and flow out after the inflow of the first breach 13；When from When the fluid temperature (F.T.) that one breach 13 is flowed into is higher, the expanded by heating of thermostatic element 6, the first valve element 62 moves downward the first spring of compression 4, until the first valve port 31 is closed, if thermostatic element 6 continues to expand afterwards, the upward motion compresses second spring 5 of valve rod, this When the first valve port close, the second valve port open, fluid from the first breach 13 inflow after, a part of fluid can pass sequentially through second Valve port 211, the second breach 22 and the first opening 11 flow out, and a part of fluid can pass sequentially through the second valve port 211, the 3rd breach 232 and the 3rd opening 231 flow out.

It is pointed out here that second spring can also be not provided with, now, the valve rod of thermostatic element is stretched out outside thermostatic element One end abuts against with upper valve sleeve or mutually fixed.In the present embodiment, by setting second spring to play a part of buffering, Prevent thermostatic element from excessively expanding damage.

Also include pressure release state in the present embodiment, when the first valve port 31 is closed, if after fluid outflow valve module When other external device (ED)s or pipe blocking, fluid can not flow out valve module, so that the pressure of fluid is more than the 3rd spring During initial elasticity deformation power, pressure relief ring 7 is moved downward, and pressure relief ring 7 moves downward the 3rd spring 8 of compression, when pressure relief ring 7 is transported downwards Move and intersect with the 4th breach 36 or during positioned at the 4th 36 lower section of breach, fluid passes sequentially through outer wall and the receiving of seat portion 34 Passage, the 4th breach 36, through hole 32 and second opening 12 being formed between inwall corresponding to chamber 15 for flow of fluid flows Go out.

It is pointed out here that when without decompression function, now lower valve sleeve 3 can be an entirety with main valve body 1, i.e., under Seat portion 34 and spring support seat 33 in valve pocket 3 are a part for main valve body 1, for example can be with the second opening 12 and accommodating chamber 15 Between stage portion corresponding to second opening 12 end can as the first valve port, then second opening 12 in set a bullets Spring support base 33.

Fig. 9 to Figure 11 shows the heat exchanger assembly for being provided with above-mentioned valve module, as illustrated, heat exchanger assembly includes changing Hot core body 10, the installing plate 101 fixed with heat exchange core body phase, adapter, first interface 1041, second interface the 1042, the 3rd connect The interface 1012 of mouth 1011 and the 4th.Heat exchange core body 10 includes end plate 102 and mutually isolated first flow and second flow channel, Heat exchange can be carried out by flowing the fluid of the fluid in first flow and flowing in second flow channel.Wherein first flow and One interface 1041 is connected with second interface 1042, and second flow channel is connected with the 3rd interface 1011 and the 4th interface 1012.

Wherein first interface 1041 and second interface 1042 is connected by the form of adapter with external system.3rd interface 1011 and the 4th interface 1012 be formed at installing plate 101, the 3rd interface 1011 and the 4th interface 1012 run through installing plate 101, this Sample can make installing plate be directly fixed on gearbox, easy for installation, and leakage risk is smaller.In order to further improve sealing property, The risk that leaks outside is prevented, sealing is also respectively provided with the 3rd interface 1011 of installing plate 101 and the outer circumferential side of the 4th interface 1012 Circle 1013 and sealing ring 1014.

Second flow channel includes first passage 1051 and second channel 1052, one end of first passage 1051 and the 3rd interface 1011 are connected, and the other end of first passage 1051 is by the stop of end plate 102, and one end of second channel 1052 connects with the 4th Mouth 1012 is connected, and the other end of second channel 1052 is connected with adapter.

As shown in Figure 10 and Figure 11, adapter includes the first adapter 1031 and the second adapter 1032, the first adapter 1031 include accommodating chamber 1034 and the 5th interface 1033 being connected with accommodating chamber 1034.Second adapter 1032 includes seat The chamber of pedestal 1036 is formed through in body 1036, pedestal 1036, in the pedestal 1036 corresponding to the chamber through pedestal 1036 Wall is formed with step 1035.

Second adapter 1032 is mutually fixed with end plate 102, and the mode such as by welding, threaded connection mutually seals fixation. Also, the chamber through pedestal 1036 is corresponding with second channel 1052.First adapter 1031 passes through with the second adapter 1032 The modes such as threaded connection are mutually fixed, and corresponding with accommodating chamber 1034 through the chamber of pedestal 1036, and the 5th interface 1033 can be with It is connected by accommodating chamber 1034 with least a portion of the chamber through pedestal 1036.First adapter and the second adapter Be fixedly connected by screw, in order to improve sealing property, the first adapter 1031 and the second adapter 1032 sealing surface it Between sealing ring can also be set.

Valve module is arranged at second channel 1052, and at least a portion of valve module is located at second channel 1052, in this implementation In example, at least partially in adapter.Valve module in the second adapter 1032 by setting snap ring 1037 to fix, so as to limit The axial displacement of valve module processed.

As shown in figure 11, main valve body 1 includes the first auxiliary section 161, the second auxiliary section the 162, the 3rd that external diameter is gradually reduced Auxiliary section 163, the auxiliary section 165 of diversion division 164 and the 4th.Wherein the first auxiliary section 161 is with running through corresponding to the chamber of pedestal 1036 The inwall gap of pedestal 1036 coordinate, and the step of formation between the first auxiliary section 161 and the second auxiliary section 162 with The step 1035 of the inwall formation of pedestal 1036 corresponding to chamber through pedestal 1036 is mutually abutted against.Second auxiliary section 162 also with The inwall gap of pedestal 1036 corresponding to chamber through pedestal 1036 coordinates, and the second auxiliary section 162 is with running through pedestal Sealing ring is also provided between the inwall of pedestal 1036 corresponding to 1036 chamber, sealing property is improved with this, is reduced Interior leakage.

In order to improve the heat exchange property of heat exchanger, prevent fluid from flowing to the mistake of second channel 1052 from first passage 1051 Made the problem of fluid can not be uniformly distributed in journey by the barrier of valve module, the second auxiliary section 162 is away from the first switching 1031 end face of seat is no more than end plate 102, and internal diameter of the external diameter less than second channel 1052 of the 3rd auxiliary section 163, this Sample, fluid is from during passage inflow second channel 1052, passage all may be used between passage or the plate of the overwhelming majority between all plates between plate With the obstructing to valve module do not received, passage is connected with second channel 1052 between passage or the plate of the overwhelming majority between all plates Logical, fluid smoothly can flow into second channel 1052 from passage between plate, so that the fluid improved into first passage 1051 exists Being uniformly distributed in passage between plate, so as to improve heat exchange property.

In order to further reduce the flow resistance that fluid flows into second channel 1052 from passage between plate, the 3rd auxiliary section 163 is remote 1031 end from the first adapter is located at the lower section of the second valve port 211, and the end is formed with for supporting upper valve sleeve 2 Supporting part 21 shoulder.And diversion division 164 is located between the 3rd auxiliary section 163 and the 4th auxiliary section 165, also, diversion division 164 are located in second channel 1052, and the external diameter of diversion division 164 is less than the external diameter of the 3rd auxiliary section 163, the external diameter of diversion division 164 Difference between the internal diameter of second channel 1052 is more than between the external diameter of the 3rd auxiliary section 163 and the internal diameter of second channel 1052 Difference.And first breach be located at diversion division 164, can also be easy to fluid flow into valve module in.

4th auxiliary section 165 is stretched into the 4th interface 1012, and the 4th auxiliary section 165 and the gap of the 4th interface 1012 coordinate, The internal diameter of 4th interface is less than the internal diameter of second channel, the shoulder formed between the auxiliary section 165 of diversion division 164 and the 4th with Installing plate is abutted against or is abutted against.For danger of being leaked out in reducing, sealing, the 4th auxiliary section 165 and the 4th interface 1012 are improved Between be also provided with sealing ring.

Figure 12 and Figure 13 show a kind of gear box oil temperature regulating system with above-mentioned heat exchanger assembly, TOT Transmission Oil Temperature Spending regulating system includes gearbox, heat exchanger assembly, oil cooler and engine water tank (not shown), wherein heat exchanger assembly First interface and second interface be connected by pipeline with engine water tank, the 3rd interface and the 4th interface are directed or through Pipeline is connected with the import and export of gearbox.One of runner of oil cooler passes through pipeline and the 5th interface of heat exchanger assembly It is connected with the import of gearbox, another runner of oil cooler can be connected with refrigeration system (not shown).

Normal condition is in when the cooling oil for exporting out from gearbox enters temperature after heat exchange core body carries out heat exchange When, by the first breach enter valve module cooling oil after, due to thermostatic element the first spring restoring force effect under first Valve port 31 is in opening, and the second valve port 211 is closed, and cooling oil can be passed through after the first valve port 31 by the Gearbox is flowed back in the import of four interfaces and gearbox, so completes one cycle.

Exceed normal temperature when the cooling oil for exporting out from gearbox enters temperature after heat exchange core body carries out heat exchange When, cooling oil flows into valve module by the first breach, now thermostatic element expanded by heating, and thermostatic element moves downward closing first Valve port 31, now, the first valve port 31 are closed, and the second valve port 211 is in open mode, and cooling oil can pass through second Oil cooler is flowed to by the 5th interface after valve port 211, High-temperature cooling oil is cooled to normal temperature in oil cooler by heat exchange Gearbox is flowed back to by gearbox import after state, one cycle is so completed.

Further, when cooling oil temperature is higher, and oil cooler is when blocking, now, although at the first valve port 31 In closed mode, but High-temperature cooling oil can utilize the decompression function of valve module, cooling oil is passed through the outer of seat portion 34 The passage for flow of fluid, the import of the 4th interface and gearbox is formed between inwall corresponding to wall and accommodating chamber 15 to flow back to Gearbox, prevents gearbox oil starvation from damaging.

Figure 14 shows the heat of the heat exchanger assembly of another embodiment of the present utility model, the present embodiment and above-described embodiment Exchange component difference to be, a penetrating via 106 being connected with the 4th interface 1012 is additionally provided with heat exchange core body, is run through Passage 106 runs through heat exchange core body 105, and penetrating via 106 is neither connected with the first passage of heat exchange core body nor with second Passage is connected.

As illustrated, being connected for the ease of penetrating via 106 with external system, the second adapter 1032 is additionally provided with the 6th Interface 1034, the 6th interface 1034 through logical 106 with being oppositely arranged and the 6th interface 1034 is connected with penetrating via 106.

In order that through channel 106 is not connected with first passage and second channel, in the present embodiment, by heat exchange core A connecting tube 1061 is set to realize in vivo.It can certainly realize otherwise, for example, in the plate of composition heat exchange core body In be processed into hole flanging after hole flanging, plate closed assembly be stacked composition through channel 106.

Installed for the ease of the cooperation of the 4th auxiliary section and installing plate, while realize that through hole is connected with the 4th interface, Installing plate 101 includes the first installing plate 1015 and the second installing plate 1016, wherein the second installing plate 1016 passes through with heat exchange core body Welding is mutually fixed, and the first installing plate 1015 is mutually fixed with the second installing plate 1016 by welding.Second installing plate 1016 is also set up There is a connecting hole 1017 being connected with through hole 106, the first installing plate 1015 is provided with a groove 1018, and groove 1018 Two ends are respectively communicated with the interface 1012 of connecting hole 1017 and the 4th.

It is pointed out here that the first installing plate and the second installing plate can also merge into an installing plate, and the present embodiment Middle that installing plate is divided into two parts, processing technology is simple.

The other structures and feature of the heat exchanger assembly of the present embodiment it is identical with the heat exchanger assembly of above-described embodiment or It is close, no longer repeat one by one here.

Figure 15 and Figure 16 show the gear box oil temperature regulating system of the heat exchanger assembly including the present embodiment, this implementation Example is that heat exchanger assembly is different from the difference of the gear box oil temperature regulating system shown in Figure 12 and Figure 13, in the present embodiment In, through hole 106 is provided with heat exchanger assembly, the outlet of such oil cooler directly can be connect by through hole 106 and the 4th Mouth 1012 is connected, and the import of such gearbox need to only be docked with the 4th interface 1012, and integrated level is higher, and can The risk of further reduction leakage.

Other structures and feature and gear box oil temperature regulating system shown in Figure 12 and Figure 13 are same or similar seemingly, this In no longer repeat one by one.

It is described above, only it is specific embodiment of the utility model, not makees any formal to the utility model Limitation, and the directionality vocabulary such as up and down appeared in text is described with accompanying drawing, and not its orientation is carried out Limitation.Although the utility model is disclosed above with preferred embodiment, but it is not limited to the utility model.It is any to be familiar with Those skilled in the art, in the case where not departing from technical solutions of the utility model ambit, all using in the disclosure above technology Appearance makes many possible variations and modification to technical solutions of the utility model, or is revised as the equivalent embodiment of equivalent variations. Therefore, every content without departing from technical solutions of the utility model, according to technical spirit of the present utility model to above example Any simple modifications, equivalents, and modifications done, still fall within technical solutions of the utility model protection in the range of.

Claims (8)

1. a kind of valve body, it is characterised in that the valve body is in the cylinder-like structure of both ends open, and the two ends of the valve body are set respectively The first opening portion and the second opening portion are equipped with, the valve body includes accommodating chamber, and the accommodating chamber is located at the first opening portion and second Between opening portion, the first breach is offered in the side wall of the corresponding valve body of the accommodating chamber, the valve body gradually subtracts including external diameter Small the first auxiliary section and the second auxiliary section, the formation between first auxiliary section and the second auxiliary section has step.

2. valve body according to claim 1, it is characterised in that the valve body is also included outside diversion division, the diversion division Footpath is less than the external diameter of the second auxiliary section, and first breach is opened in the diversion division.

3. valve body according to claim 1, it is characterised in that the valve body also includes the 3rd auxiliary section and diversion division, institute The external diameter for stating the 3rd auxiliary section is less than the external diameter of second auxiliary section, and first breach is opened in the diversion division.

4. the valve body according to Claims 2 or 3, it is characterised in that the valve body also includes the 4th auxiliary section, the described 4th The external diameter of auxiliary section is less than the external diameter of the diversion division.

5. valve body according to claim 4, it is characterised in that the internal diameter of the accommodating chamber is more than the interior of the described second opening Footpath, the internal diameter of the accommodating chamber is less than the internal diameter of the described first opening, is formed between the accommodating chamber and second opening Step, step is formed between the accommodating chamber and first opening.

6. valve body according to claim 5, it is characterised in that second auxiliary section and the 4th auxiliary section offer use In the annular groove for accommodating seal.

7. valve body according to claim 6, it is characterised in that first breach includes the first sub- breach and the second son lacks Mouthful, loop connecting portion is provided between the described first sub- breach and the second sub- breach, the loop connecting portion is the valve body Side wall a part.

8. valve body according to claim 7, it is characterised in that the 4th auxiliary section is internally provided with internal thread.