CN202866943U - Diesel and DCU thereof - Google Patents
Diesel and DCU thereof Download PDFInfo
- Publication number
- CN202866943U CN202866943U CN2012202933404U CN201220293340U CN202866943U CN 202866943 U CN202866943 U CN 202866943U CN 2012202933404 U CN2012202933404 U CN 2012202933404U CN 201220293340 U CN201220293340 U CN 201220293340U CN 202866943 U CN202866943 U CN 202866943U
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- dcu
- damping pad
- hole
- rubber damping
- metal insert
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- Expired - Lifetime
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- 238000013016 damping Methods 0.000 claims abstract description 87
- 239000002184 metal Substances 0.000 claims description 48
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- PPJXIHLNYDVTDI-UHFFFAOYSA-N dicloralurea Chemical compound ClC(Cl)(Cl)C(O)NC(=O)NC(O)C(Cl)(Cl)Cl PPJXIHLNYDVTDI-UHFFFAOYSA-N 0.000 claims 11
- 238000000034 method Methods 0.000 abstract description 22
- 230000008569 process Effects 0.000 abstract description 14
- 230000000694 effects Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000010531 catalytic reduction reaction Methods 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a diesel and a DCU (Deceleration Control Unit) thereof. The disclosed DCU is fixed with a car beam through a fastener which penetrates through an inner hole at the end part of the DCU. The DCU further comprises a damping rubber pad fixed at the inner hole; the damping rubber pad is located between the bottom of the DCU and the car beam during assembly, and is provided with a through hole; and the fastener can penetrate through the through hole and the inner hole at the end part of the DCU. As the DCU is provided with the damping rubber pad, the vibration transmitted by a longitudinal beam can be weakened by the damping rubber pad, and then the influence of the vibration on the DCU is reduced; the elastic damping rubber pad is easy to fasten on the DCU, a tooling is not required, and the assembling process is simple; in addition, the produced DCU has a damping function, so that the assembling procedure for the damping rubber pad is not needed to proceed separately when the DCU is assembled to the longitudinal beam, and the working efficiency can be improved; and meanwhile, serving as a part fixedly arranged on the DCU, the damping rubber pad can be prevented from losing in transportation and assembly processes.
Description
Technical field
The utility model relates to automobile technical field, particularly a kind of diesel engine and DCU thereof.
Background technique
SCR (selective catalytic reduction technology) is one of main post-processing technology of diesel engine, SCR is except selective catalytic reduction converter, also comprise urea supply unit, urea-spray unit, urea box, pipeline and wire harness etc., wherein catalytic reduction converter mainly comprises SCR case and DCU (Dosing Control Unit, the dosage control unit), DCU generally is also referred to as the exhaust aftertreatment controller.
DCU generally is installed on the longitudinal girder of bottom of frame, and concrete mounting type is as follows: usually can be fixed with casing on longitudinal girder, the place, four end angles that box cover is corresponding is provided with unthreaded hole, and the place, four end angles that casing is corresponding is provided with tapped hole; Place, four the end angles embedded metal inserts of DCU, metal insert can form one with the upper shell injection moulding of DCU, metal insert has unthreaded hole, the fastening piece screw runs through unthreaded hole and inserts the unthreaded hole of box cover, insert again in the tapped hole of casing and screw, thereby DCU and box cover are fixed on the casing, finally reach the relatively fixedly purpose of DCU and longitudinal girder, namely DCU and longitudinal girder are rigidly connected.
Yet there is following technical problem in technique scheme:
The hanging vibration reduction system of car body generally places on the longitudinal girder, namely between longitudinal girder and the chassis without damper mechanism, and DCU and crossbeam are to be rigidly connected, then the Large Amplitude Vibration that produces of Vehicle Driving Cycle process will directly be passed to DCU by longitudinal girder.DCU is as the core electron parts of control discharging, road vehicle environmental conditions and test standard electric and electronic equipment have very high requirement to the vibration isolation, when the amplitude of car load surpasses DCU restriction amplitude, can have a strong impact on normal operation and the working life of DCU, reduce its functional reliability.
In view of this, how reducing body oscillating to the impact of DCU, is the technical problem that those skilled in the art need to be resolved hurrily.
The model utility content
For solving the problems of the technologies described above, the utility model provides a kind of diesel engine and DCU thereof, and this DCU has vibration-damping function, can effectively reduce body oscillating to the impact of DCU, improves the reliability of DCU work and prolongs its working life.
The DCU of the diesel engine that the utility model provides, its end has endoporus, described DCU fixes by the fastening piece and the car body crossbeam that run through its end endoporus, described DCU also comprises rubber damping pad, described rubber damping pad is fixed in described endoporus place, and during assembling, described rubber damping pad is between DCU bottom and the car body crossbeam, and described rubber damping pad has through hole, and described fastening piece can run through the endoporus of described through hole and described DCU end.
Preferably, the end of described DCU is provided with metal insert, and the endoporus of described DCU end is the endoporus of described metal insert; Described metal insert comprises insertion part and protuberance, and described insertion part is embedded in the end of described DCU, and described protuberance protrudes from the bottom of described DCU end in a downward direction; The outer wall interference fit of the inwall of described rubber damping pad and described protuberance.
Preferably, described rubber damping pad comprises bearing plate and the connecting ring that axially joins, and described connecting ring has the first through hole, and described bearing plate has the second through hole, and the described through hole of described rubber damping pad comprises described the first through hole and described the second through hole; The external diameter of described bearing plate is greater than the external diameter of described connecting ring, described connecting ring and described protuberance interference fit, and the diameter of described the first through hole is greater than the diameter of described the second through hole.
Preferably, the diameter of described the second through hole is greater than the diameter of described metal insert endoporus.
Preferably, the periphery wall of described protuberance has annular knurl.
Preferably, the inboard at described connecting ring top is provided with chamfering.
Preferably, the bottom of described DCU end also has the annular boss to downward-extension, and described rubber damping pad is held between the outer wall of described annular boss inwall and described metal insert protuberance.
Preferably, the internal diameter of described annular boss is greater than the external diameter of described connecting ring; And the external diameter of described annular boss is less than the external diameter of described bearing plate.
Preferably, the bottom of described rubber damping pad is provided with projection.
This DCU has rubber damping pad, and during the longitudinal girder transmitting vibrations, this vibration meeting is slackened by rubber damping pad, reaches the effect of buffering, thereby reduces vibration to the impact of DCU; In addition, because elastic reaction, rubber damping pad is easy to be fastened on the DCU, when rubber damping pad is mounted to DCU, need not by frock, and the operator is manual to be got final product, and assembly technology is simple; In addition, owing to being installed with rubber damping pad on the DCU that produces, namely processed the DCU that possesses vibration-damping function, when being assembled to this DCU on the longitudinal girder, need not to carry out separately the linkage editor of rubber damping pad, can increase work efficiency; And rubber damping pad can be avoided losing in transportation, the assembly process as parts that are installed on the DCU.
The utility model also provides a kind of diesel engine, comprises the DCU that is installed on its crossbeam, and described DCU is above-mentioned each described DCU.Because above-mentioned DCU has above-mentioned technique effect, the diesel engine with this DCU also has identical technique effect.
Description of drawings
Fig. 1 provides the structural representation of a kind of embodiment of rubber damping pad among the DCU for the utility model;
Fig. 2 is the axial sectional view of Fig. 1;
Fig. 3 is the assembling schematic diagram with the DCU of rubber damping pad shown in Fig. 1 and box cover, casing;
Fig. 4 is that metal insert is embedded in structural representation in the DCU end angle among Fig. 3;
Fig. 5 is the axial sectional view behind Fig. 4 middle-end angle assembling rubber damping pad;
Fig. 6 is the structural representation of rubber damping pad bottom among Fig. 1.
Among Fig. 1-6:
1DCU, 10 end angles, 101 annular boss, 2 screws, 3 metal inserts, 31 protuberances, 311 annular knurls, 32 insertion parts, 33 endoporus, 4 rubber damping pads, 41 T-Rings, 411 first through holes, 412 chamferings, 42 bearing plates, 421 outer bearing plates, 422 interior bearing plates, 423 second through holes, 424 projections, 5 box covers, 6 casings.
Embodiment
Core of the present utility model is for providing a kind of diesel engine and DCU thereof, and this DCU has vibration-damping function, can effectively reduce body oscillating to the impact of DCU, and the reliability of raising DCU work also increases the service life.
In order to make those skilled in the art understand better the technical solution of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1 and Fig. 2, Fig. 1 provides the structural representation of a kind of embodiment of rubber damping pad among the DCU for the utility model; Fig. 2 is the axial sectional view of Fig. 1.
This rubber damping pad 4 has bearing plate 42 and the connecting ring 41 that axially joins, and bearing plate 42 and connecting ring 41 are all rounded, and the external diameter of bearing plate 42 is greater than the external diameter of connecting ring 41, and as shown in Figure 1, rubber damping pad 4 roughly is the drum with step; Connecting ring 41 has the first through hole 411, bearing plate 42 has the second through hole 423, and the diameter of the first through hole 411 is greater than the diameter of the second through hole 423, the inside that is rubber damping pad 4 also has step, as shown in Figure 2, bearing plate 42 comprises the bearing plate 422 that is positioned at connecting ring 41 side directions and the outer bearing plate 421 that is positioned at connecting ring 41 lateral direction.Bearing plate 42 and the connecting ring 41 formula structure that preferably is processed as one satisfies intensity and pressure-bearing demand.
Four of DCU1 (being the exhaust aftertreatment controller) end angles 10 all are used for box cover 5 and the casing 6 on the connection longitudinal girder, and as shown in Figure 3, Fig. 3 is the assembling schematic diagram with the DCU of rubber damping pad shown in Fig. 1 and box cover, casing.
Continuation is with reference to figure 4 and Fig. 5, and Fig. 4 is that metal insert is embedded in structural representation in the DCU end angle among Fig. 3; Fig. 5 is the axial sectional view behind Fig. 4 middle-end angle assembling rubber damping pad.The end angle 10 of DCU1 is embedded with metal insert 3, and metal insert 3 can form one with the upper shell injection moulding of DCU1, and metal insert 3 has endoporus 33, and screw 2 can run through this endoporus 33.In addition, metal insert 3 comprises insertion part 32 and protuberance 31, and insertion part 32 is embedded in the end angle 10 of DCU1, and protuberance 31 protrudes from the bottom at DCU1 end angle 10 in a downward direction, as shown in Figure 4.
During assembling, with rubber damping pad 4 slotting protuberances 31 to metal insert 3, the protuberance 31 that then connecting ring 41 of rubber damping pad 4 can overcoat metal insert 3, connecting ring 41 and protuberance 31 can interference fit, and namely the diameter of the first through hole 411 of connecting ring 41 can be slightly less than the external diameter of metal insert 3 protuberances 31.After connecting ring 41 and protuberance 31 interference fit, rubber damping pad 4 can be relative fixing with metal insert 3, and namely rubber damping pad 4 can be fixed in 10 places, end angle of DCU1.
As shown in Figure 4, after the DCU1 that will have this rubber damping pad 4 is assembled to box cover 5 and casing 6 on the longitudinal girder, has rubber damping pad 4 between the bottom of DCU1 and the box cover 5, wherein, bearing plate 422 in protuberance 31 contacts of metal insert 3, the bottom contact box cover 5 of bearing plate 42 integral body.Hence one can see that, and among this embodiment, because rubber damping pad 4 being set, during the longitudinal girder transmitting vibrations, this vibration meeting is slackened by rubber damping pad 4, reaches the effect of buffering, thereby reduce vibration to the impact of DCU1; In addition, because elastic reaction, rubber damping pad 4 can be fastened on the protuberance 31 of metal insert 3, when being mounted to it on DCU1, need not by frock, and the operator is manual to be got final product, and assembly technology is simple; In addition, owing to being installed with rubber damping pad 4 on the DCU1 that produces, namely processed the DCU1 that possesses vibration-damping function, when being assembled to this DCU1 on the longitudinal girder, need not to carry out separately the linkage editor of rubber damping pad 4, can increase work efficiency; And rubber damping pad 4 can be avoided losing in transportation, the assembly process as parts that are installed on the DCU1.
Can find out from assembly process and the effect of rubber damping pad 4, rubber damping pad 4 is designed to the connecting ring that axially joins 41 shown in Figure 1 and bearing plate 42 structures for comparatively optimizing. scheme, connecting ring 41 is mainly used in rubber damping pad 4 is fixed on the metal insert 3, and bearing plate 42 is mainly used in pressure-bearing, bear and weaken vibration, therefore be that diameter does not wait with connecting ring 41 and bearing plate 42 according to the function different designs.In addition, it also is comparatively preferred scheme that the first through hole 411 and the second through hole 423 also are designed to the structure that diameter do not wait, so design, metal insert 3 directly is pressed on the interior bearing plate 422, prevent from producing with assembly error and cause the protuberance 31 of metal insert 3 directly to contact box cover 5, and the forfeiture effectiveness in vibration suppression.Can expect, rubber damping pad 4 is designed to the straight tube structure, directly be enclosed within on the protuberance 31 of metal insert 3 to interference fit, and the axial length of appropriate design rubber damping pad 4, so that after the pressure-bearing, the protuberance 31 of metal insert 3 can not contact box cover 5, is fine yet, certainly, the effectiveness in vibration suppression of this kind mode, Assembly stability are all inferior to above-described embodiment.It will also be appreciated that, rubber damping pad 4 is not taked round structure, but oval or square, and the outer wall of the protuberance 31 of metal insert 3 with it conformal cooperation also is fine, and certainly, round structure is easier to processing and assembling.
Further, for the various embodiments described above, in order to strengthen the fixed effect of rubber damping pad 4 and DCU1, can also process annular knurl 311 at the periphery wall of metal insert 3 protuberances 31, annular knurl 311 can strengthen the frictional force between connecting ring 41 inwalls and protuberance 31 outer walls, then connecting ring 41 can be held the protuberance 31 of metal insert 3 more securely tightly, prevents in transportation process, and rubber damping pad 4 breaks away from metal insert 3.In addition, for the ease of assembling, can also process chamfering 412 in the inboard at connecting ring 41 tops, as shown in Figure 2, chamfering 412 helps the connecting ring 41 outer protuberances 31 that entangle metal insert 3, and then realizes interference fit.Can also be further improved, as shown in Figure 6, Fig. 6 is the structural representation of rubber damping pad bottom among Fig. 1, and some protruding 424, protruding 424 the further raising damping property that arranges is set in the bottom of bearing plate 42; All projections 424 can be distributed in the bottom of bearing plate 42 regularly, so that pressure-bearing is even, effectiveness in vibration suppression is also better.
For the various embodiments described above, can also hold the structure at angle 10 to make improvements to DCU1, please continue with reference to figure 4 and Fig. 5, the bottom of DCU1 also has the annular boss 101 to downward-extension, the connecting ring 41 of rubber damping pad 4 is held between the outer wall of the inwall of annular boss 101 and metal insert 3 protuberances 31, the outer bearing plate 421 of the bottom contact damping rubber pad 4 of annular boss 101.After annular boss 101 is set, rubber damping pad 4 can bear the pressure of inboard metal insert 3 and the pressure of exterior annular boss 101, and connecting ring 41 is between interior bearing plate 422 and the outer bearing plate 421, this kind structural design is compared to above-described embodiment, so that bearing plate 42 inside and outside stressed evenly, avoid one-sided when stressed rubber damping pad 4 radial deformations excessive and cause damping property to weaken even lose.For this structure, can also make the external diameter of connecting ring 41 be slightly less than the internal diameter of annular boss 101, be connecting ring 41 and annular boss 101 Spielpassung, when in order to avoid the assembling tension force of metal insert 3 protuberances 31 and connecting ring 41 is large connecting ring 41 external diameters being increased, rubber damping pad 4 can't be packed between annular boss 101 and metal insert 3 protuberances 31.
In addition, in above-described embodiment, the external diameter of bearing plate 42 can be greater than the external diameter of annular boss 101, thereby is convenient to dismantle rubber damping pad 4.The internal diameter of bearing plate 42 can be avoided in the assembly process greater than the diameter of metal insert 3 endoporus 33, and screw 2 inserts and rubber damping pad 4 is ejected.Required precision in view of assembling can make bearing plate 42 external diameters be slightly larger than the external diameter of annular boss 101, and the internal diameter of bearing plate 42 is slightly larger than the diameter of metal insert 3 endoporus 33.
Need to prove, the basis that the various embodiments described above are set up is, the end angle 10 of DCU1 be the link position with crossbeam, and DCU1 holds 10 places, angle to be provided with outstanding metal insert 3.In fact, also metal insert 3 can be set, but directly holding 10 places, angle or other positions of end (near the DCU1 side) to process the endoporus 33 that runs through for screw 2, and the rubber damping pad 4 that will be provided with through hole (through hole of rubber damping pad 4 comprises the first through hole 411 and the second through hole 423 in above-described embodiment) is fixed in endoporus 33 places, so that screw 2 can run through the through hole of rubber damping pad 4 when running through endoporus 33, then this DCU1 has vibration-damping function equally.When setting firmly rubber damping pad 4, the mode of employing can be similar to the aforementioned embodiment, such as, directly at end angle 10 endoporus 33 is set, and two annular boss 101 coaxial with endoporus 33 are set at end 10 bottoms, angle place, for the connecting ring 41 of clamping rubber damping pad 4; Perhaps, process annular groove in the bottom at end angle 10, plug in this annular groove to rubber damping pad 4 direct interference fit, also be fine.Compared to this type of alternative, in above-described embodiment, rubber damping pad 4 is held the protuberance 31 of metal insert 3 tightly and fixing mode has following advantages: the periphery wall of the protuberance 31 of metal insert 3 can process annular knurl 311 as shown in Figure 4, thereby strengthens holding tightly effect; Metal insert 3 is metal material, can gain in strength; During the upper casing injection moulding of metal insert 3 and DCU1, can reserve a part as protuberance 31, namely protuberance 31 need not special processes and forms, and can simplify manufacturing procedure.
Need to prove, by screw 2 DCU1 is fixed in box cover 5, casing 6 on the longitudinal girder, and then realization DCU1 and longitudinal girder is fixing, this only is a kind of specific embodiment, those skilled in the art can adopt the fastening piece beyond the screw 2 to fix, or DCU1 is fixed in other positions of longitudinal girder, as long as during assembling, the through hole that fastening piece can run through DCU1 end endoporus 33 and rubber damping pad 4 thereof simultaneously gets final product.
Except above-mentioned DCU1, the utility model also provides a kind of diesel engine, comprises the DCU1 that is installed on its crossbeam, and described DCU1 is the described DCU1 of above-mentioned arbitrary embodiment, and all the other structures of diesel engine can be with reference to prior art.Because above-mentioned DCU1 has above-mentioned technique effect, the diesel engine with this DCU1 also has identical technique effect, repeats no more herein.
Above a kind of diesel engine provided by the utility model and DCU thereof all are described in detail.Used specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. the DCU of a diesel engine, its end has endoporus, described DCU (1) fixes by the fastening piece and the car body crossbeam that run through its end endoporus, it is characterized in that, described DCU (1) also comprises rubber damping pad (4), described rubber damping pad (4) is fixed in described endoporus (33) to be located, during assembling, described rubber damping pad (4) is between DCU (1) bottom and the car body crossbeam, and described rubber damping pad (4) has through hole, and described fastening piece can run through the endoporus (33) of described through hole and described DCU (1) end.
2. the DCU of diesel engine according to claim 1 is characterized in that, the end of described DCU (1) is provided with metal insert (3), and the endoporus (33) of described DCU (1) end is the endoporus (33) of described metal insert (3); Described metal insert (3) comprises insertion part (32) and protuberance (31), described insertion part (32) is embedded in the end of described DCU (1), and described protuberance (31) protrudes from the bottom of described DCU (1) end in a downward direction; The outer wall interference fit of the inwall of described rubber damping pad (4) and described protuberance (31).
3. the DCU of diesel engine according to claim 2, it is characterized in that, described rubber damping pad (4) comprises bearing plate (42) and the connecting ring (41) that axially joins, described connecting ring (41) has the first through hole (411), described bearing plate (42) has the second through hole (423), and the described through hole of described rubber damping pad (4) comprises described the first through hole (411) and described the second through hole (423); The external diameter of described bearing plate (42) is greater than the external diameter of described connecting ring (41), described connecting ring (41) and described protuberance (31) interference fit, the diameter of described the first through hole (411) is greater than the diameter of described the second through hole (423).
4. the DCU of diesel engine according to claim 3 is characterized in that, the diameter of described the second through hole (423) is greater than the diameter of described metal insert (3) endoporus (33).
5. the DCU of each described diesel engine is characterized in that according to claim 2-4, and the periphery wall of described protuberance (31) has annular knurl (311).
6. according to claim 3 or the DCU of 4 described diesel engines, it is characterized in that, the inboard at described connecting ring (41) top is provided with chamfering (412).
7. according to claim 3 or the DCU of 4 described diesel engines, it is characterized in that, the bottom of described DCU (1) end also has the annular boss (101) to downward-extension, and described rubber damping pad (4) is held between the outer wall of described annular boss (101) inwall and described metal insert (3) protuberance (31).
8. the DCU of diesel engine according to claim 7 is characterized in that, the internal diameter of described annular boss (101) is greater than the external diameter of described connecting ring (41); And the external diameter of described annular boss (101) is less than the external diameter of described bearing plate (42).
9. the DCU of each described diesel engine is characterized in that according to claim 1-4, and the bottom of described rubber damping pad (4) is provided with projection (424).
10. a diesel engine comprises the DCU (1) that is installed on its crossbeam, it is characterized in that, described DCU (1) is each described DCU (1) of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202933404U CN202866943U (en) | 2012-06-18 | 2012-06-18 | Diesel and DCU thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202933404U CN202866943U (en) | 2012-06-18 | 2012-06-18 | Diesel and DCU thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202866943U true CN202866943U (en) | 2013-04-10 |
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ID=48033667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202933404U Expired - Lifetime CN202866943U (en) | 2012-06-18 | 2012-06-18 | Diesel and DCU thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202866943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594302A (en) * | 2020-01-15 | 2020-08-28 | 重庆科马工贸有限公司 | General gasoline engine with novel muffler |
-
2012
- 2012-06-18 CN CN2012202933404U patent/CN202866943U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594302A (en) * | 2020-01-15 | 2020-08-28 | 重庆科马工贸有限公司 | General gasoline engine with novel muffler |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 4 / F, building 1, No.14 Jiuxianqiao Road, Chaoyang District, Beijing 100020 Patentee after: Beijing Jingwei Hirain Technologies Co.,Inc. Address before: 100101 Beijing city Chaoyang District Anxiang Beili 11 B block 8 layer Patentee before: Beijing Jingwei HiRain Technologies Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |