CN207394177U - Cooler quick change construction and cooler for recycled exhaust gas - Google Patents
Cooler quick change construction and cooler for recycled exhaust gas Download PDFInfo
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- CN207394177U CN207394177U CN201721138874.9U CN201721138874U CN207394177U CN 207394177 U CN207394177 U CN 207394177U CN 201721138874 U CN201721138874 U CN 201721138874U CN 207394177 U CN207394177 U CN 207394177U
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Abstract
A kind of cooler quick change construction and cooler for recycled exhaust gas, belong to heat-exchange apparatus field, including the first mounting flange, the second mounting flange and anchor ear, first mounting flange has first through hole, second mounting flange has the second through hole, and the first mounting flange makes first through hole connect the second through hole with the docking of the second mounting flange；Anchor ear is provided with grasping part, anchor ear includes the first bare terminal end and the second bare terminal end, the lock opening communicated with grasping part, the first bare terminal end and the second bare terminal end gap close to each other for reducing lock opening are formed between first bare terminal end and the second bare terminal end and then locks the first mounting flange and the second mounting flange being located in grasping part.The operating space needed during the cooler quick change construction use is small, and installation and removal are convenient, requirement when reducing installation for rotary freedom, eliminates mount stress caused by angles of product error in installation process.
Description
Technical field
It is cold in particular to a kind of cooler quick change construction and EGR the utility model is related to heat-exchange apparatus field
But device.
Background technology
Cooler for recycled exhaust gas generally uses the mounting means of two panels mounting flange+gasket seal at present, and this mounting means uses
Screw is fastened, and circumferencial direction generally sets multiple screws, and to ensure the reliability of the whole circle sealing of mounting surface, it is necessary to increase
Add the intensity of flange face, prevent flange face deforms under applied at elevated temperature environment from sealing performance being caused to decline, therefore flange face is all set
Count thicker so that product weight is higher, and cost increases.The requirement of two end flange face screw mounting hole relative angles is higher,
If installation accuracy is not achieved in angle, the mount stress of generation, product easily fails under engine high vibration environment.
In addition, using the cooler for recycled exhaust gas of this connection mode, the screw used is all relatively more, is unfavorable for cooler for recycled exhaust gas
Installation or dismounting.For example, during actual installation, due to flange direction be it is fixed, and the available installation of engine itself or
Person's withdrawal space very little, the installation and removal of the excessively multipair cooler for recycled exhaust gas of screw number are all extremely inconvenient, are unfavorable for the dimension of engine
Shield, maintenance；The being dismounted for multiple times of cooler for recycled exhaust gas is also easy to cause the damage of connector internal thread, so as to cause its installation failure.
Inventor has found that traditional cooler for recycled exhaust gas at least has the disadvantage that in installation process under study for action：
The import and export of traditional cooler for recycled exhaust gas is attached using the structure of screw clamp flange, is installed with dismounting not
Just, it is unfavorable for care and maintenance, and service life is short.
Utility model content
The purpose of this utility model is to provide a kind of cooler quick change constructions, are passed in and out with improving traditional cooler for recycled exhaust gas
The mounting structure at mouthful place be fixed by bolts two panels flange mode cause installation and dismounting inconvenient, maintenance inconvenience and
The problem of service life is short.
The purpose of this utility model is to provide a kind of cooler for recycled exhaust gas, to improve traditional cooler for recycled exhaust gas import and export
The mode that mounting structure is fixed by bolts two panels flange causes installation with dismounting inconvenience, maintenance inconvenience and using the longevity
Order the problem of short.
What the embodiment of the utility model was realized in：
Based on above-mentioned first purpose, the utility model provides a kind of cooler quick change construction, including the first mounting flange,
Second mounting flange and anchor ear, first mounting flange have first through hole, and second mounting flange has second to lead to
Hole, first mounting flange make the first through hole connect second through hole with second mounting flange docking；It is described
Anchor ear is provided with grasping part, and the anchor ear includes the first bare terminal end and the second bare terminal end, first bare terminal end and described the
The lock opening communicated with the grasping part, first bare terminal end and the second bare terminal end phase are formed between two bare terminal ends
Mutually close to the gap for reducing the lock opening and then lock first mounting flange being located in the grasping part and the
Two mounting flanges.
In the utility model preferred embodiment, first mounting flange includes the linkage section set gradually, mistake
Section and first flange section are crossed, the first through hole runs through the linkage section, changeover portion and the flange section.
In the utility model preferred embodiment, the linkage section, changeover portion and flange section coaxial arrangement, and it is described
The axis of flange section and the axis collinear of the first through hole.
In the utility model preferred embodiment, the flange section perpendicular to the section of its axis direction be annulus
Shape, the flange section are included along the first end face of the close changeover portion of its axis direction setting and away from the changeover portion
Second end face, the first end face are circular conical surface.
In the utility model preferred embodiment, the flange section is provided with first annular groove, described first annular
The notch of groove is located in the second end face, the axis direction of the groove depth direction of the first annular groove along the flange section
Extension.
In the utility model preferred embodiment, second mounting flange includes flange main body, the flange main body
Perpendicular to the section of its axis direction be circular ring shape, the axis collinear of the axis of the flange main body and second through hole；
The flange main body includes the first installation end face and the second installation end face along its axis direction, and the first installation end face is circular cone
Face.
In the utility model preferred embodiment, the second installation end face is provided with second annular groove, and described the
The notch of second ring groove is located on the described second installation end face, and the groove depth direction of the second annular groove is along the flange master
The axis direction extension of body.
In the utility model preferred embodiment, the anchor ear includes snap ring and bolt assembly, and the snap ring has
Rounded grasping part, the both ends of the snap ring are respectively first bare terminal end and second bare terminal end, the snap ring
Inner wall be provided with annular slot, opposite two cell wall of the annular slot is circular conical surface, between two cell walls
Radially-inwardly gradually increase of the distance along the annular slot；The bolt assembly includes screw rod and adjusting nut, the spiral shell
One end of bar is articulated with first bare terminal end, and the other end runs through second bare terminal end；The adjusting nut is bolted in institute
It states on screw rod, and outside the lock opening.
In the utility model preferred embodiment, the cooler quick change construction further includes sealing ring, the sealing ring
It is clamped between the second end face and the second installation end face.
Based on above-mentioned second purpose, the utility model provides a kind of cooler for recycled exhaust gas, including EGR heat exchange cores and institute
The cooler quick change construction stated.
The advantageous effect of the utility model embodiment is：
In conclusion the utility model embodiment provides a kind of cooler quick change construction, and it is simple and reasonable, it is convenient for
Manufacture processing, installation with easy to use, meanwhile, the operating space that when cooler quick change construction use needs is small, peace installation and dismantling
It unloads conveniently, requirement when reducing installation for rotary freedom, eliminates installation caused by angles of product error in installation process
Stress.It is specific as follows：
Cooler quick change construction provided in this embodiment, including the first mounting flange, the second mounting flange and anchor ear, first
First through hole is provided on mounting flange, the second through hole, the first mounting flange and the second installation are provided on the second mounting flange
Flange docking makes first through hole be connected with the second through hole.Anchor ear is locked at outside the first mounting flange and the second mounting flange, is realized
The connection and positioning of first mounting flange and the second mounting flange.During practical application, the first mounting flange and the second mounting flange
It is located at respectively on two components.Anchor ear is provided with grasping part, and anchor ear includes the first bare terminal end and the second bare terminal end, the first folder
It holds and the lock opening that is connected with grasping part is formed between end and the second bare terminal end, by anchor ear mounted on the first mounting flange and the
After two mounting flanges, it is located at the docking of the first mounting flange and the second mounting flange in grasping part, operates the first clamping part
With the second clamping part, both make close, the gap of lock opening becomes smaller, and the clamping zone of grasping part reduces, when being reduced to one
The locking of the first mounting flange and the second mounting flange is completed when determining degree.With traditional two flanges are carried out using bolt
The stationary phase ratio that is spirally connected, reduce the use of bolt, reduce the requirement for installation space, be not provided with installing on flange face
Hole, requirement when reducing installation for rotary freedom eliminate the control to flange rotary angle in production process, avoid
Mount stress caused by angles of product error in installation process；Meanwhile both ends are connected using anchor ear, are effectively reduced screw
Use, be rapidly performed by attaching/detaching.
Cooler for recycled exhaust gas provided in this embodiment includes above-mentioned cooler quick change construction, has cooler quick change construction
All advantages.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the schematic diagram of the cooler for recycled exhaust gas of the utility model embodiment；
Fig. 2 is the schematic diagram of the cooler quick change construction of the utility model embodiment；
Fig. 3 is the schematic diagram of first mounting flange of the utility model embodiment；
Fig. 4 is the schematic diagram of second mounting flange of the utility model embodiment；
Fig. 5 is the schematic diagram of the clip of the utility model embodiment.
Icon：10-EGR heat exchange cores；11- inlet ends；12- outlet sides；20-EGR valve groups；30- cooler quick changes
Structure；40- exhaust gas fairleads；The first mounting flanges of 100-；110- through holes；120- linkage sections；130- changeover portions；140-
Flange section；141- first end faces；142- second end faces；143- first annular grooves；The second mounting flanges of 200-；210-
Flange main body；211- first installs end face；212- second installs end face；213- second annular grooves；The second through holes of 220-；
300- anchor ears；310- snap rings；311- grasping parts；312- annular slots；313- cell walls；The first bare terminal ends of 314-；
The second bare terminal ends of 315-；316- lock openings；320- screw rods；330- adjusting nuts；400- sealing rings.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can configure to arrange and design with a variety of.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
, it is necessary to explanation, the orientation or position relationship of the instructions such as term " interior ", " outer " in the description of the utility model
For be based on orientation shown in the drawings or position relationship or the utility model product using when the orientation or position usually put
Relation is for only for ease of description the utility model and simplifies description rather than instruction or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.This
Outside, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
In the description of the utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
Concrete meaning of the language in the utility model.
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
Embodiment
Referring to Fig. 1, present embodiments providing a kind of cooler for recycled exhaust gas, coordinate for the exhaust gas fairlead 40 with engine
It uses, cooler for recycled exhaust gas includes EGR heat exchange cores 10 and cooler quick change construction 30.
EGR heat exchange cores 10 include inlet end 11, the outlet side 12 of exhaust gas outflow and the cooling medium (example that exhaust gas flows into
Such as water) flow into, the inlet and outlet of outflow, exhaust steam passage completely cut off mutually with cooling medium channel by the tube wall that exchanges heat, cool down medium and
External environment is completely cut off by water hull.
EGR valve group 20 is used to adjust the size of flow, is connected by cooler heat exchange structure with EGR heat exchange core 10.
Referring to Fig. 2, cooler heat exchange core includes the first mounting flange 100, the second mounting flange 200, anchor ear 300
And sealing ring 400.
Referring to Fig. 3, the first mounting flange 100 is provided with first through hole 110, the first mounting flange 100 is revolving body knot
The axis collinear of structure, the axis of first through hole 110 and the first mounting flange 100.
Optionally, the first mounting flange 100 includes linkage section 120, changeover portion 130 and flange section 140.Linkage section 120
It is made of four pieces of side walls, every piece of side wall includes rectangular wall and trapezoidal walls, and four rectangular walls of four pieces of side walls, which are sequentially connected, surrounds tool
There is the rectangle ring structure of rectangular aperture, corresponding, four trapezoidal walls are sequentially connected the leakage defined with open end and necking end
Bucket-shaped structure, open end are connected with one end of rectangle ring structure, and the bore of open end is identical with the caliber size of rectangle ring structure.
Changeover portion 130 is ring-shaped structure, and the Single port of changeover portion 130 is connected with the necking end of linkage section 120.Flange section 140 is circle
Cyclic structure, one end of flange section 140 are connected with changeover portion 130, and flange section 140, changeover portion 130 are connected with linkage section 120, method
Blue section 140, changeover portion 130 and linkage section 120 are coaxially disposed.Need further exist for explanation, flange section 140 along its axis side
To including first end face 141 and second end face 142, first end face 141 is close to the end face of changeover portion 130, second end face 142
In the end face away from changeover portion 130, first end face 141 is circular conical surface, the axis of the outer diameter of first end face 141 along flange section 140
Gradually increased from first end face 141 to the direction of second end face 142.
Referring to Fig. 1, optional, flange section 140 is provided with first annular groove 143, the axis of first annular groove 143
With the axis collinear of flange section 140, the axis direction of the groove depth direction of first annular groove 143 along flange section 140 is first annular
The shape of groove 143 is circle, is matched with the shape of flange section 140, easy to process and manufacture.First annular groove 143
Section configuration is rectangle or semicircle etc..
It should be noted that the first mounting flange 100 can be integrated machine-shaping, overall structure is solid and reliable, uses
Long lifespan.Obviously, the first mounting flange 100 can also be spliced respectively by flange section 140, changeover portion 130 and flange section 140
It is made, herein without enumerating.
Please refer to Fig.1 and Fig. 4, the second mounting flange 200 includes flange main body 210, flange main body 210 perpendicular to its axis
The section in line direction is the axis collinear of circular ring shape, the axis of flange main body 210 and the second through hole 220110；Flange main body 210
Include the first installation end face 211 and second along its axis direction and end face 212 is installed, first installs end face 211 as circular conical surface, and first
The outer diameter for installing end face 211 gradually increases along the direction of its axis direction from the first installation end face 211 to the second installation end face 212
Greatly.Optionally, the second installation end face 212 is provided with second annular groove 213, and the notch of second annular groove 213 is located at second
It installs on end face 212, the groove depth direction of second annular groove 213 extends along the axis direction of flange main body 210, and the second annular is recessed
The axis direction along flange main body 210 of slot 213 is projected as circular ring shape, and the section configuration of second annular groove 213 is rectangle
Or semicircle etc..
Referring to Fig. 5, anchor ear 300 is provided with grasping part 311, anchor ear 300 includes the first bare terminal end 314 and the second clamping
End 315, the lock opening 316 that formation is communicated with grasping part 311 between the first bare terminal end 314 and the second bare terminal end 315, first
It 314 and second bare terminal end 315 of the bare terminal end gap close to each other for reducing lock opening 316 and then locks and is located at grasping part 311
In the first mounting flange 100 and the second mounting flange 200.In actual installation, installation is provided on the first bare terminal end 314
Slot sets mounting groove on the second bare terminal end 315, and pressure sensor, the first clamping are equipped in the mounting groove of the first bare terminal end 314
When 314 and second bare terminal end 315 of end is close to each other, pressure sensor is located in two mounting grooves, in the first bare terminal end 314 and the
Pressure sensor is capable of detecting when the power being applied on anchor ear 300 during two bare terminal ends 315 are close to each other, can understand and know
Whether road the first bare terminal end 314 and the second bare terminal end 315 are not easy to cause to be located at folder because the power applied is too small in suitable position
The workpiece held in space 311 does not clamp, using there are security risk, is not easy to reduce the first clamping because the power applied is excessive
The service life of 314 and second bare terminal end 315 of end, is not easy bending deformation.Pressure sensor can be mounted on first by screw
On bare terminal end 314, installation and convenient disassembly.
Optionally, anchor ear 300 includes snap ring 310 and bolt assembly, and snap ring 310 has rounded grasping part
311, the both ends of snap ring 310 are respectively the first bare terminal end 314 and the second bare terminal end 315, and the inner wall of snap ring 310 is provided with annular snap
Slot 312, opposite two cell wall 313 of annular slot 312 are circular conical surface, and the distance between two cell walls 313 are along annular slot
312 radially-inwardly gradually increase, two of annular slot 312 in the of 313 and first mounting flange 100 of cell wall of circular conical surface
End face 141, the first installation end face 211 of the second mounting flange 200 match；Bolt assembly includes screw rod 320 and adjusts
Nut 330, one end of screw rod 320 are articulated with the first bare terminal end 314, and the other end runs through the second bare terminal end 315；Adjusting nut
330 are bolted on screw rod 320, and outside lock opening 316.By screwing adjusting nut 330, change adjusting nut 330
In the position of screw rod 320, and then the distance between the first bare terminal end 314 and the second bare terminal end 315 can be adjusted, realize that locking is dynamic
Make or release acts.
Cooler quick change construction 30 provided in this embodiment, between the first mounting flange 100 and the second mounting flange 200
Sealing ring 400 is set, and sealing ring 400 has the /V that can be plugged in first annular groove 143 and second annular groove 213
Portion improves the installation accuracy of sealing ring 400, is easily installed.Snap ring 310 is set in the first mounting flange 100 and the second peace
It fills outside flange 200, the first installation end face 211 of 141 and second mounting flange 200 of first end face of the first mounting flange 100
In in annular slot 312, first end face 141 and first is installed two cell walls 313 of the end face 211 respectively with annular slot 312 and is matched somebody with somebody
Close, that is, form inclined-plane cooperation structure, operate adjusting nut 330, adjusting nut 330 be pushed against on the second bare terminal end 315 and
The second bare terminal end 315 is made to be moved close to the first bare terminal end 314, the lock formed between the first bare terminal end 314 and the second bare terminal end 315
Tight opening 316 reduces, and two cell walls 313 of snap ring 310 squeeze first end face 141 and second end face 142, the first mounting flange
100 and second mounting flange 200 generate axial movement tendency close to each other, continue to screw adjusting nut 330, the first installation
100 and second mounting flange 200 of flange docks clamping, and squeezes sealing ring 400 positioned there between, improves sealing effect,
The final docking for realizing the first mounting flange 100 and the second mounting flange 200.Entire installation process, it is easy to operate, it is necessary to
Operating space it is small.After installation is complete, the entire circle uniform stressed of circumferencial direction of flange is only being provided with bolt with traditional
Position at stress it is different, under identical strength of flange, thinner flange face can be used, effectively mitigate product weight and into
This.Without mounting hole on circular flange face, the requirement to cooler for recycled exhaust gas rotary freedom is reduced, is eliminated in production process
Control to flange rotary angle avoids mount stress caused by angles of product error in installation process；Both ends use anchor ear
300 connections, are effectively reduced the use of screw, are rapidly performed by installation and removal.
During practical application, one first installation is installed respectively at the EGR heat exchange inlet ends 11 of core 10 and outlet side 12
Flange 100 installs the second mounting flange 200 at exhaust gas fairlead 40, and the second mounting flange 200 is installed at EGR valve group 20,
Exhaust gas fairlead 40 and EGR heat exchange core 10 is clamped by anchor ear 300；EGR heat exchange cores 10 pass through anchor ear with EGR valve group 20
300 clampings.
It should be noted that the first mounting flange 100 and EGR heat exchange core 10 can by being welded and fixed, similarly, second
Mounting flange 200 can be by being welded and fixed with exhaust gas fairlead 40, and the second mounting flange 200 can pass through with EGR valve group 20
It is welded and fixed.
Obviously, can sealing ring 400 directly be set between second end face 142 and second installs end face 212, it need not be
Second end face 142 and second is installed and sets annular groove on end face 212.Alternatively, end face is installed in second end face 142 and second
Annular groove is set in any one of 212.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modifications, equivalent replacements and improvements are made should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of cooler quick change construction, which is characterized in that including the first mounting flange, the second mounting flange and anchor ear, institute
The first mounting flange is stated with first through hole, second mounting flange has the second through hole, first mounting flange and institute
Stating the docking of the second mounting flange makes the first through hole connect second through hole；The anchor ear is provided with grasping part, described
Anchor ear includes the first bare terminal end and the second bare terminal end, is formed and the folder between first bare terminal end and second bare terminal end
Hold the lock opening that space communicates, first bare terminal end and second bare terminal end is close to each other reduces the lock opening
Gap and then locking are located at first mounting flange and the second mounting flange in the grasping part.
2. cooler quick change construction according to claim 1, which is characterized in that first mounting flange includes successively
Linkage section, changeover portion and the first flange section of setting, the first through hole run through the linkage section, changeover portion and the method
Blue section.
3. cooler quick change construction according to claim 2, which is characterized in that the linkage section, changeover portion and flange
Section coaxial arrangement, and the axis of the flange section and the axis collinear of the first through hole.
4. cooler quick change construction according to claim 3, which is characterized in that the flange section perpendicular to its axis side
To section for circular ring shape, the flange section include along its axis direction set close to the first end face of the changeover portion and remote
Second end face from the changeover portion, the first end face are circular conical surface.
5. cooler quick change construction according to claim 4, which is characterized in that the flange section is provided with first annular recessed
Slot, the notch of the first annular groove are located in the second end face, and the groove depth direction of the first annular groove is along described
The axis direction extension of flange section.
6. according to the cooler quick change construction described in claim 4 or 5, which is characterized in that second mounting flange includes
Flange main body, the flange main body perpendicular to the section of its axis direction be circular ring shape, the axis of the flange main body and institute
State the axis collinear of the second through hole；The flange main body includes the first installation end face and the second installation end face along its axis direction,
The first installation end face is circular conical surface.
7. cooler quick change construction according to claim 6, which is characterized in that the second installation end face is provided with second
Annular groove, the notch of the second annular groove are located on the described second installation end face, the groove depth of the second annular groove
Direction extends along the axis direction of the flange main body.
8. cooler quick change construction according to claim 6, which is characterized in that the anchor ear includes snap ring and bolt group
Part, the snap ring have rounded grasping part, and the both ends of the snap ring are respectively first bare terminal end and described second
Bare terminal end, the inner wall of the snap ring are provided with annular slot, and opposite two cell wall of the annular slot is circular conical surface, two
Radially-inwardly gradually increase of the distance between the described cell wall along the annular slot；The bolt assembly includes screw rod and tune
Nut is saved, one end of the screw rod is articulated with first bare terminal end, and the other end runs through second bare terminal end；The adjusting
Nut is bolted on the screw rod, and outside the lock opening.
9. cooler quick change construction according to claim 7, which is characterized in that the cooler quick change construction further includes close
Seal, the sealing ring are clamped between the second end face and the second installation end face.
10. a kind of cooler for recycled exhaust gas, which is characterized in that including EGR heat exchange cores and according to claim any one of 1-9
Cooler quick change construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721138874.9U CN207394177U (en) | 2017-09-05 | 2017-09-05 | Cooler quick change construction and cooler for recycled exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721138874.9U CN207394177U (en) | 2017-09-05 | 2017-09-05 | Cooler quick change construction and cooler for recycled exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207394177U true CN207394177U (en) | 2018-05-22 |
Family
ID=62415885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721138874.9U Active CN207394177U (en) | 2017-09-05 | 2017-09-05 | Cooler quick change construction and cooler for recycled exhaust gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207394177U (en) |
-
2017
- 2017-09-05 CN CN201721138874.9U patent/CN207394177U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200901 Address after: 400000, No. 2001, Golden Road, North New District, Chongqing, Yubei District Patentee after: Chongqing super force electric appliance Co.,Ltd. Address before: 400000, No. 2001, Golden Road, North New District, Chongqing Patentee before: CHONGQING CHAOLI HI-TECH Co.,Ltd. |
|
| TR01 | Transfer of patent right |