CN108331833A - A kind of the new distance rod assembly - Google Patents
A kind of the new distance rod assembly Download PDFInfo
- Publication number
- CN108331833A CN108331833A CN201810223355.5A CN201810223355A CN108331833A CN 108331833 A CN108331833 A CN 108331833A CN 201810223355 A CN201810223355 A CN 201810223355A CN 108331833 A CN108331833 A CN 108331833A
- Authority
- CN
- China
- Prior art keywords
- ball seat
- connecting tube
- distance rod
- gradual change
- rod assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003672 processing method Methods 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 2
- 208000020442 loss of weight Diseases 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000005242 forging Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 11
- 238000003466 welding Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 4
- 238000007731 hot pressing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/001—Suspension arms, e.g. constructional features
Abstract
The present invention is a kind of the new distance rod assembly, including the first ball seat and the second ball seat, first ball seat and the second ball seat is cylindrical structure, first ball seat and the second ball seat are connected by connecting tube, wherein connecting tube both ends diameter upsetting pressure gradual change is big, wall thickness gradual change is thick, it is allowed to form the cancave cambered surface coordinated with the cylindrical structure outer surface of the first ball seat and the second ball seat, be an integral structure finally by being welded.The first ball seat and the second ball seat are cylindrical structure in the present invention, directly pipe fitting are used to finish, and do not have to forging, while ensureing quality, material cost has dropped 30%；Its bonding area also increases 30% simultaneously, and respective intensities also increase 30%.The new construction of the present invention solves that product quality is overweight, and processing cost is excessively high, reduces the probability of fracture and disengaging, ensure that ensure distance rod intensity while, also to ensure distance rod lightweight loss of weight needs.
Description
Technical field
The present invention relates to auto parts and components, specifically a kind of the new distance rod assembly.
Background technology
Auto parts and components distance rod assembly not only needs strong thrust, but also light-weighted while being also required to subtract
Weight.
The invention of 200720140051X is related to a kind of pyrocondensation and adds welded type distance rod automobile air suspension device, including steel
The tubular body of rod of rounding, not uniform thickness ring-type cast steel end, rubber hinge head assembly, the body of rod are formed after pyrocondensation with end filled circles handle
Coordinate section, and is connected by circular weld and end at body of rod groove.Its advantage is that:Existing good craftsmanship and economy
Property, and enhance the safety and reliability in car running process.
The patent document is that the body of rod forms cooperation section after pyrocondensation with end filled circles handle, and by ring at body of rod groove
Shape weld seam is connected with end, and technical solution herein not only needs end filled circles handle, weight to increase, process not only
Pyrocondensation, cooperation are needed, and is connected by circular weld and end at body of rod groove, uniform thickness ring-type cast steel end is not equivalent to ball
The processing technology of seat is complicated, and raw material usage amount is big, and monomer mass is overweight, and distance rod assembly cost is excessively high.
As shown in Figure 1, ball seat A is connect with filled circles handle B with pipe fitting C by way of hot pressing, finally it is welded in pipe C
On ball seat A.
As shown in Fig. 2, one D of V-type ball seat is connect with filled circles handle B with pipe fitting C by way of hot pressing, pipe fitting C again with
The filled circles handle B of ball seat A is connected by way of hot pressing, finally is being respectively welded to form V-type distance rod assembly.
As shown in Figure 3,4, for the similar of special-shaped distance rod assembly and Fig. 1.
2016206496170 invention provides a kind of phase friction welding and connects automobile V-type distance rod, belongs to V-type thrust
Pole technology field.Phase friction welding connects to form the first weld bond between one end of first pipe and the first straight earrings, the first circle
Phase friction welding connects to form the second weld bond between the other end of pipe and a branch end of V-arrangement earrings, one end of the second pipe with
Phase friction welding connects to form third weld bond between second straight earrings, the other end of the second pipe and another branch of V-arrangement earrings
Phase friction welding connects to form the 4th weld bond between end.The present invention is once loaded dual-head phase friction welding machine using single spindle box, is made
It obtains automobile V-type distance rod and uses full friction-welding technique, and filled up domestic and international automobile V-type distance rod cannot all adopt
With the blank of friction welding.Keep its processing technology simple, it is huge to reduce manufacturing cost, improve production efficiency, it reduces
The labor intensity of operator.
The patent document is connect using phase friction welding, although alleviating weight, is disadvantageous in that high energy consumption, ball seat
Junction easy fracture.
Invention content
While the present invention is in order to ensure distance rod intensity, also to ensure that distance rod lightweight loss of weight needs, spy carry
Go out a kind of the new distance rod assembly.
The technical scheme is that, a kind of the new distance rod assembly, including the first ball seat and the second ball seat is special thus
Sign is：First ball seat and the second ball seat is cylindrical structure, and the first ball seat and the second ball seat are connected by connecting tube,
Wherein connecting tube both ends Diameter Gradual Change is big, wall thickness gradual change is thick, is allowed to form the cylindrical structure with the first ball seat and the second ball seat
The cancave cambered surface of outer surface cooperation, is an integral structure finally by being welded.
Further improve is：Connecting tube both ends Diameter Gradual Change is big, wall thickness gradual change thickness is molded for upsetting pressure.
Further improve is：The size of connecting tube both ends diameter and the size ratio of mid diameter are 1.2 ~ 2:1.
Further improve is：The size of connecting tube both ends diameter and the size ratio of mid diameter are 1.5:1.
Further improve is：When the first ball seat, the second ball seat are connect with V-type ball seat respectively by connecting tube, wherein
Connecting tube both ends Diameter Gradual Change is big, wall thickness gradual change is thick, is allowed to form the cylinder with the first ball seat, the second ball seat and V-type ball seat
The cancave cambered surface of structural outer surface cooperation, finally by being welded to a kind of V-type distance rod assembly；Two also outside V-type ball seat
A connecting tube is outer to be reinforced by strangling plate.
A kind of processing method of the new distance rod assembly is：
One, the first ball seat and the second ball seat are finish-machined to cylindrical structure first；
Two, using upsetting pressure by connecting tube both ends Diameter Gradual Change big, wall thickness gradual change thickness at bell mouth shape, wherein horn mouth diameter and company
Take over mid diameter ratio is 1.5:1.
Three, it is and the first ball seat and the second tee height mated condition by the secondary upsetting pressure of the horn mouth at connecting tube both ends.
Four, connecting tube both ends that third is walked to secondary upsetting pressure are finish-machined to cylinder knot with the first ball seat and the second ball seat
The cancave cambered surface of structure outer surface cooperation.
Five, it is positioned using the Internal Spherical Surface of the first ball seat and the second ball seat, the connecting tube of the 4th step finishing is corresponded to first
The cylindrical structure outer surface of ball seat and the second ball seat coordinates, and becomes a kind of new distance rod assembly finally by bonding machine.
Advantageous effect：
The first ball seat and the second ball seat are cylindrical structure in the present invention, directly pipe fitting are used to finish, and do not have to forging,
While ensureing quality, material cost has dropped 30%.
Connecting tube both ends Diameter Gradual Change is big, wall thickness gradual change is thick, is allowed to form the cylinder with the first ball seat and the second ball seat
The cancave cambered surface of structural outer surface cooperation, is in order to increase the bonding area of the first ball seat and the second ball seat outer circle, by welding herein
The increase of junction product, strengthens intensity, while wall thickness gradual change thickness solves the problems, such as support strength.
Connecting tube both ends Diameter Gradual Change is big, the greatly upsetting pressure of wall thickness gradual change thickness is molded, and facilitates processing and forming.
The size of the connecting tube both ends diameter and setting of the size ratio of mid diameter makes which ensure that ratio is reasonable, intensity distribution
Rationally, while its bonding area also increases 30%, and respective intensities also increase 30%.
The new construction of the present invention solves that product quality is overweight, and processing cost is excessively high, reduces the probability of fracture and disengaging.
Simply, conveniently, accurate positioning will also ensure to push away the processing method while ensure that guarantee distance rod intensity
Power bar lightweight loss of weight needs.
Description of the drawings
Fig. 1 is the schematic diagram of the distance rod of the prior art.
Fig. 2 is the schematic diagram of V-type distance rod in the prior art.
Fig. 3,4 be special-shaped distance rod in the prior art schematic diagram.
Fig. 5 is the schematic diagram of distance rod of the present invention.
Fig. 6 is the schematic diagram one of the V-type distance rod assembly of the present invention.
Fig. 7,8 be the present invention special-shaped distance rod schematic diagram.
Fig. 9 is V-type distance rod assembly schematic diagram two in the present invention.
Figure 10 is the left view of Fig. 9.
A is ball seat, and B is filled circles handle, and C is pipe fitting, and D is V-type ball seat one.
1 is the first ball seat, and 2 be the second ball seat, and 3 be connecting tube, and 4 be connecting tube both ends, and 5 be V-type ball seat, and 6 be cancave cambered surface,
7 be to strangle plate.
Specific implementation mode
The present invention is as shown in Fig. 5/6/7/8.
A kind of the new distance rod assembly, including the first ball seat 1 and the second ball seat 2, first ball seat 1 and the second ball seat
2 be cylindrical structure, and the first ball seat 1 and the second ball seat 2 are connected by connecting tube 3, wherein 4 Diameter Gradual Change of connecting tube both ends it is big,
Wall thickness gradual change is thick, is allowed to form the cancave cambered surface coordinated with the cylindrical structure outer surface of the first ball seat 1 and the second ball seat 2, finally
It is an integral structure by being welded.
4 Diameter Gradual Change of connecting tube both ends is big, the greatly upsetting pressure of wall thickness gradual change thickness is molded.
The size of 4 diameter of connecting tube both ends and the size ratio of mid diameter are 1.2 ~ 2:1.
The size of 4 diameter of connecting tube both ends and the size ratio of mid diameter are 1.5:1.
When the first ball seat 1, the second ball seat 2 are connect with V-type ball seat 5 respectively by connecting tube 3, wherein connecting tube both ends 4 are straight
Diameter gradual change is big, wall thickness gradual change is thick, is allowed to form the cylindrical structure appearance with the first ball seat 1, the second ball seat 2 and V-type ball seat 5
The cancave cambered surface of face cooperation, finally by being welded to a kind of V-type distance rod assembly；Two connecting tubes also outside V-type ball seat 5
3 is outer by strangling the reinforcement of plate 7.
A kind of processing method of the new distance rod assembly is：
One, the first ball seat 1 and the second ball seat 2 are finish-machined to cylindrical structure first；
Two, using upsetting pressure by the 4 gradual change major diameter gradual change of connecting tube both ends big, wall thickness gradual change thickness at bell mouth shape, wherein horn mouth
Diameter and connecting tube mid diameter ratio are 1.5:1.
Three, by the secondary upsetting pressure of horn mouth of 4 diameter of connecting tube both ends it is and the first ball seat 1 and the second ball seat 2 highly coordinates
State.
Four, connecting tube both ends 4 that third is walked to secondary upsetting pressure are finish-machined to cylinder with the first ball seat 1 and the second ball seat 2
The cancave cambered surface of body structural outer surface cooperation.
Five, it is positioned using the Internal Spherical Surface of the first ball seat 1 and the second ball seat 2, the connecting tube 3 of the 4th step finishing is corresponded to the
The cylindrical structure outer surface of one ball seat 1 and the second ball seat 2 coordinates, and it is total to become a kind of new distance rod finally by bonding machine
At.
Wherein Fig. 5 is the schematic diagram one of the distance rod of the present invention.
Fig. 6 is the schematic diagram two of the V-type distance rod assembly of the present invention.
When the first ball seat 1, the second ball seat 2 are connect with V-type ball seat 5 respectively by connecting tube 3, wherein connecting tube both ends 4, straight
Diameter gradual change is big, wall thickness gradual change is thick, is allowed to form the cylindrical structure appearance with the first ball seat 1, the second ball seat 2 and V-type ball seat 5
The cancave cambered surface of face cooperation, is an integral structure finally by being welded；
Reinforced by strangling plate 7 outside two connecting tubes also outside V-type ball seat 5.
The schematic diagram three of the special-shaped distance rod of Fig. 7 present invention.
Fig. 8 is the schematic diagram four of the special-shaped distance rod of the present invention.
As shown in figure 9, when the first ball seat 1, the second ball seat 2 and V-type ball seat 5 are socket type structural,
It is positioned using bolt-type in the 5th step, the connecting tube 3 of the 4th step finishing is corresponded into the first ball seat 1 and the second ball seat 2
Cylindrical structure outer surface cooperation, finally by bonding machine become a kind of new distance rod assembly.
Claims (7)
1. a kind of the new distance rod assembly, including the first ball seat and the second ball seat, it is characterised in that：First ball seat and
Two ball seats are cylindrical structure, and the first ball seat and the second ball seat connected by connecting tube, wherein connecting tube both ends Diameter Gradual Change it is big,
Wall thickness gradual change is thick, is allowed to form the cancave cambered surface coordinated with the cylindrical structure outer surface of the first ball seat and the second ball seat, finally lead to
It crosses to be welded and be an integral structure.
2. a kind of the new distance rod assembly according to claim 1, it is characterised in that：Connecting tube both ends Diameter Gradual Change
Greatly, wall thickness gradual change thickness is molded for upsetting pressure.
3. a kind of the new distance rod assembly according to claim 2, it is characterised in that：The ruler of connecting tube both ends diameter
Very little and mid diameter size ratio is 1.2 ~ 2:1.
4. a kind of the new distance rod assembly according to claim 1 or 2 or 3, it is characterised in that：The connecting tube both ends are straight
The size of diameter and the size ratio of mid diameter are 1.5:1.
5. a kind of the new distance rod assembly according to claim 4, it is characterised in that：First ball seat, the second ball seat pass through
Connecting tube is connect with V-type ball seat respectively, and wherein connecting tube both ends Diameter Gradual Change is big, wall thickness gradual change is thick, is allowed to be formed and the first ball
The cancave cambered surface of the cylindrical structure outer surface cooperation of seat, the second ball seat and V-type ball seat, finally by being welded to a kind of V-type
Distance rod assembly.
6. a kind of the new distance rod assembly according to claim 5, it is characterised in that：Two companies also outside V-type ball seat
It takes over outer by strangling plate reinforcement.
7. a kind of processing method of the new distance rod assembly is：
One, the first ball seat and the second ball seat are finish-machined to cylindrical structure first；
Two, using upsetting pressure by connecting tube both ends Diameter Gradual Change big, wall thickness gradual change thickness at bell mouth shape, wherein horn mouth diameter and company
Take over mid diameter ratio is 1.5:1；
Three, it is and the first ball seat and the second tee height mated condition by the secondary upsetting pressure of the horn mouth at connecting tube both ends；
Four, third is walked secondary upsetting pressure connecting tube both ends be finish-machined to outside the cylindrical structure of the first ball seat and the second ball seat
The cancave cambered surface of surface engagement；
Five, it is positioned using the Internal Spherical Surface of the first ball seat and the second ball seat, the connecting tube of the 4th step finishing is corresponded into the first ball seat
Coordinate with the cylindrical structure outer surface of the second ball seat, becomes a kind of new distance rod assembly finally by bonding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810223355.5A CN108331833A (en) | 2018-03-19 | 2018-03-19 | A kind of the new distance rod assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810223355.5A CN108331833A (en) | 2018-03-19 | 2018-03-19 | A kind of the new distance rod assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108331833A true CN108331833A (en) | 2018-07-27 |
Family
ID=62931051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810223355.5A Pending CN108331833A (en) | 2018-03-19 | 2018-03-19 | A kind of the new distance rod assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108331833A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110525153A (en) * | 2019-08-23 | 2019-12-03 | 福建龙溪轴承(集团)股份有限公司 | The connection method of propulsion rod joint, straight type distance rod and V-type distance rod |
| CN110541892A (en) * | 2019-08-30 | 2019-12-06 | 东风商用车有限公司 | friction welding aluminum alloy transmission shaft and machining method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006250234A (en) * | 2005-03-10 | 2006-09-21 | Bizen Hatsujo Kk | Lateral link |
| JP2010076473A (en) * | 2008-09-24 | 2010-04-08 | Toyota Motor Corp | I-shaped suspension arm for vehicle |
| JP2010274823A (en) * | 2009-05-29 | 2010-12-09 | Toyota Motor Corp | Joint structure of suspension arm body with bush outer cylinder |
| JP2013124971A (en) * | 2011-12-15 | 2013-06-24 | Mitsubishi Electric Corp | Clutter suppression device |
| CN203637492U (en) * | 2013-12-17 | 2014-06-11 | 陈云青 | V-shaped thrust rod in automobile balanced suspension |
| JPWO2013124971A1 (en) * | 2012-02-21 | 2015-05-21 | 株式会社ヨロズ | Vehicle suspension arm |
| CN105324258A (en) * | 2013-06-19 | 2016-02-10 | 丰田铁工株式会社 | Suspension arm and manufacturing method therefor |
| CN205292171U (en) * | 2016-01-06 | 2016-06-08 | 中国重汽集团济南动力有限公司 | V type distance rod assembly |
| CN205733422U (en) * | 2016-06-27 | 2016-11-30 | 哈尔滨正晨焊接切割设备制造有限公司 | A kind of phase friction welding connects automobile V-type distance rod |
| CN107683217A (en) * | 2015-06-01 | 2018-02-09 | 瀚瑞森美国有限责任公司 | Torque tube for vehicle suspension |
| CN207961248U (en) * | 2018-03-19 | 2018-10-12 | 湖北耀洋汽车配件有限公司 | A kind of the new distance rod assembly |
-
2018
- 2018-03-19 CN CN201810223355.5A patent/CN108331833A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006250234A (en) * | 2005-03-10 | 2006-09-21 | Bizen Hatsujo Kk | Lateral link |
| JP2010076473A (en) * | 2008-09-24 | 2010-04-08 | Toyota Motor Corp | I-shaped suspension arm for vehicle |
| JP2010274823A (en) * | 2009-05-29 | 2010-12-09 | Toyota Motor Corp | Joint structure of suspension arm body with bush outer cylinder |
| JP2013124971A (en) * | 2011-12-15 | 2013-06-24 | Mitsubishi Electric Corp | Clutter suppression device |
| JPWO2013124971A1 (en) * | 2012-02-21 | 2015-05-21 | 株式会社ヨロズ | Vehicle suspension arm |
| CN105324258A (en) * | 2013-06-19 | 2016-02-10 | 丰田铁工株式会社 | Suspension arm and manufacturing method therefor |
| CN203637492U (en) * | 2013-12-17 | 2014-06-11 | 陈云青 | V-shaped thrust rod in automobile balanced suspension |
| CN107683217A (en) * | 2015-06-01 | 2018-02-09 | 瀚瑞森美国有限责任公司 | Torque tube for vehicle suspension |
| CN205292171U (en) * | 2016-01-06 | 2016-06-08 | 中国重汽集团济南动力有限公司 | V type distance rod assembly |
| CN205733422U (en) * | 2016-06-27 | 2016-11-30 | 哈尔滨正晨焊接切割设备制造有限公司 | A kind of phase friction welding connects automobile V-type distance rod |
| CN207961248U (en) * | 2018-03-19 | 2018-10-12 | 湖北耀洋汽车配件有限公司 | A kind of the new distance rod assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110525153A (en) * | 2019-08-23 | 2019-12-03 | 福建龙溪轴承(集团)股份有限公司 | The connection method of propulsion rod joint, straight type distance rod and V-type distance rod |
| CN110525153B (en) * | 2019-08-23 | 2022-09-16 | 福建龙溪轴承(集团)股份有限公司 | Connection method of thrust rod joint, straight thrust rod and V-shaped thrust rod |
| CN110541892A (en) * | 2019-08-30 | 2019-12-06 | 东风商用车有限公司 | friction welding aluminum alloy transmission shaft and machining method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108331833A (en) | A kind of the new distance rod assembly | |
| CN109226390A (en) | Special piece manufacturing process with connection side | |
| CN207961248U (en) | A kind of the new distance rod assembly | |
| CN202624536U (en) | Bicycle head tube structure | |
| CN105986620A (en) | Aluminum alloy welding hollow sphere node | |
| CN100493821C (en) | Manufacturing method of the coupler yoke for railway wagon | |
| CN100361830C (en) | Automobile integral drive axle housing and manufacturing method thereof | |
| CN107255115A (en) | A kind of straight-drawing pole bulb assembly | |
| CN207955236U (en) | A kind of distance rod assembly reducing material cost | |
| CN106828616A (en) | Slide fastener is engaged carbon fiber braiding structure part and ring connects space framework and the application of preparation | |
| CN206446737U (en) | A kind of monoblock type bicycle frame structure | |
| CN212765572U (en) | Commercial car carbon fiber front overhang transverse stabilizer bar area upset arm assembly | |
| CN202683795U (en) | Spherical and elliptical dual-purpose novel composite spherical punch die for boiler and pressure container | |
| CN210416122U (en) | Thrust rod | |
| CN210338180U (en) | Carbon fiber bicycle frame front triangle structure | |
| CN203336058U (en) | Lining section pipe type anti-bending engineering pipe | |
| CN203821385U (en) | Lock type connecting device for prestressed prefabricated concrete pile and lock type connector pile | |
| CN206655900U (en) | A kind of attachment structure of composite hollow stem and metal joint | |
| CN206520709U (en) | A kind of body frame structure for automotive of advanced composite material (ACM) pipe and splice combinations | |
| CN202158100U (en) | Flange made of composite material | |
| CN208468854U (en) | The integrated consolidated structures of three-dimensional woven tube preform and end-fitting | |
| CN220053424U (en) | Rubber bushing behind lightweight car control arm | |
| CN218505609U (en) | Steel-aluminum composite material thrust rod | |
| CN2784423Y (en) | Crystallizer for electroslag refusion | |
| CN216508835U (en) | Front fork with high stable structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180727 |