CN106585715B - A kind of motor turning transition rocker arm assembly - Google Patents
A kind of motor turning transition rocker arm assembly Download PDFInfo
- Publication number
- CN106585715B CN106585715B CN201611182200.9A CN201611182200A CN106585715B CN 106585715 B CN106585715 B CN 106585715B CN 201611182200 A CN201611182200 A CN 201611182200A CN 106585715 B CN106585715 B CN 106585715B
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- CN
- China
- Prior art keywords
- rocker arm
- bearing
- arm shaft
- taper roll
- connecting tube
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/20—Links, e.g. track rods
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to a kind of motor turning transition rocker arm assemblies, including rocker arm support mounting plate, pitman arm, bearing race, locking nut, sealing ring, inside taper roll bearing, rocker arm shaft, outside taper roll bearing and connecting tube；Rocker arm shaft is fixed on Rocker shaft stand mounting plate, and the upper end of pitman arm is provided with bearing hole, and connecting tube is fixedly connected with pitman shaft, and inside taper roll bearing is set in connecting tube；Outside taper roll bearing is set in bearing hole；After bearing race, sealing ring, connecting tube and pitman arm are placed on rocker arm shaft, it is threadedly coupled with the external screw thread of rocker arm shaft by locking nut.Manufacturing defect is not present using sheet forming or pipe or pole in the rocker arm support of the technical program compared with the scheme of the prior art；Rocker arm support mounting plate is to be welded to connect with rocker arm shaft, not will produce fit clearance；Using taper roll bearing, all frictions in Bearing inner, will not cause workpiece any abrasion.
Description
Technical field
The invention belongs to steering technical fields, particularly relate to a kind of motor turning transition rocker arm assembly.
Background technology
The structure of double-front axle transition rocker arm support assembly is as shown in Figure 1, rocking arm fixing bracket 1 is to be cast as at present
Type, material QT450, by six bolts hole, rocker arm shaft 2 is forge piece, material 40Cr, and two gaskets 3 are located at the two of Rocker arm 4
End, bushing 5 are pressed into rocking arm hole, and cushion block 6 is between slotted nut 7 and gasket.The characteristics of structure is that rocker arm support is casting
Ironware and rocker arm shaft are separate types.
Rocker arm support and rocker arm shaft are used as sub-assembly, and holder is cast member, and rocker arm shaft is forge piece.Rocker arm support is
Cast member, the defects of inevitably will produce shrinkage cavity and porosity, poor reliability；And it due to cast member heaviness, rocker arm support and shakes
Arm axle weight is big, once and cast member mould shape, change limitation it is big；Rocker arm support and rocker arm shaft are clearance fit, are used
Rocker arm shaft inevitably will produce shaking in the process, cause the failures such as undue tire wear, influence steering overall performance；
Bearing is bushing, and bushing directly contacts with rocker arm shaft, rubs, and when lubricating bad, the rate of wear is fast, and gap is caused to increase, and is influenced
Steering overall performance.
Invention content
The object of the present invention is to provide a kind of motor turning transition rocker arm assemblies, to solve prior art rocker arm support and shake
Between arm axle the problem of poor reliability.
The present invention is achieved by the following technical solutions：
A kind of motor turning transition rocker arm assembly, including rocker arm support mounting plate, pitman arm, bearing race, locking screw
Mother, sealing ring, inside taper roll bearing, rocker arm shaft, outside taper roll bearing and connecting tube；
Mounting hole and rocking arm shaft mounting hole are provided on the rocker arm support mounting plate；
The inner end of the rocker arm shaft is fixed in the rocking arm shaft mounting hole, and the outboard end of the rocker arm shaft is provided with outside
Screw thread；
The upper end of the pitman arm is provided with bearing hole, and one end of the connecting tube is fixedly connected with the rocker arm shaft；
The inner cavity of the connecting tube is connected to the bearing hole；The inside taper roll bearing is set in the connecting tube；It is described
Outside taper roll bearing is set in the bearing hole；
It the bearing race, the sealing ring, the connecting tube for being equipped with the inside taper roll bearing and is equipped with outer
After the pitman arm of side taper roll bearing is placed on the rocker arm shaft, by the outer spiral shell of the locking nut and the rocker arm shaft
Line is threadedly coupled.
The inner end of the rocker arm shaft is provided with chamfering, and the rocking arm shaft mounting hole is fixed in the inner end of the rocker arm shaft
After interior, circular pit is formed between the inner side end of the rocker arm shaft and the inner surface of the rocker arm support mounting plate, described
Welding material is filled in circular pit.
It is additionally provided with O-ring between the outside taper roll bearing and the locking nut.
It is provided with the widened counter sink of internal diameter on the outside of the bearing hole, a circle is provided on the side wall of the counter sink
Card slot, the clamping of ball cupuliform butter lid are provided with lock in the card slot in the card slot of the ball cupuliform butter outer side of lid
Circle.
The beneficial effects of the invention are as follows：
The rocker arm support of the technical program is using sheet forming or pipe or pole, compared with the scheme of the prior art not
There are manufacturing defect；Rocker arm support mounting plate is to be welded to connect with rocker arm shaft, not will produce fit clearance；Using taper roller axis
It holds, all frictions in Bearing inner, will not cause workpiece any abrasion.
Description of the drawings
Fig. 1 is prior art transitional rocker bracket assembly exploded view；
Fig. 2 is transition rocker arm assembly sectional view of the present invention；
Fig. 3 is transition rocker arm assembly side view of the present invention；
Fig. 4 is transition rocker arm assembly structure schematic diagram of the present invention；
Fig. 5 is transition rocker arm assembly other direction structural schematic diagram of the present invention.
Reference sign
1 rocking arm fixing bracket, 2 rocker arm shafts, 3 gaskets, 4 rocking arms, 5 bushings, 6 cushion blocks, 7 slotted nuts, 01O type circles, 02 ball
Cupuliform butter lid, 03 rocker arm support mounting plate, 04 pitman arm, 05 bearing race, 06 locking nut, 07 sealing ring, 08 retainer,
09 inside taper roll bearing, 10 connecting tubes, 11 rocker arm shafts, 12 outside taper roll bearings.
Specific implementation mode
Carry out the technical solution that the present invention will be described in detail by the following examples, embodiment below is merely exemplary, only
It can be used for explanation and illustration technical scheme of the present invention, and be not to be construed as the limitation to technical solution of the present invention.
The application provides a kind of motor turning transition rocker arm assembly, as shown in Figures 2 to 5, including rocker arm support mounting plate
03, pitman arm 04, bearing race 05, locking nut 06, sealing ring 07, inside taper roll bearing 09, rocker arm shaft 11, outside
Taper roll bearing 12 and connecting tube 10.
Mounting hole and rocking arm shaft mounting hole are provided on the rocker arm support mounting plate 03；In this application, rocker arm support
Mounting plate is shaped steel plate, and by punch forming, mounting hole is used to be bolted to connection with the side of vehicle frame, in the application
In, mounting hole is four, is respectively arranged at the four corners of rocker arm support mounting plate, for fixing rocker arm support mounting plate, shakes
Arm axle mounting hole is located at the center of rocking arm axle installing plate.
The inner end of the rocker arm shaft 11 is fixed in the rocking arm shaft mounting hole, and the outboard end of the rocker arm shaft is provided with
External screw thread；The inner end of the rocker arm shaft is provided with chamfering, and the rocking arm shaft mounting hole is fixed in the inner end of the rocker arm shaft
After interior, circular pit is formed between the inner side end of the rocker arm shaft and the inner surface of the rocker arm support mounting plate, described
It is filled with welding material in circular pit, forms weld seam.
Pitman arm is punch forming, and the upper end of the pitman arm is provided with bearing hole, one end of the connecting tube with
The rocker arm shaft is fixedly connected by welding；The inner cavity of the connecting tube is connected to the bearing hole；The inside taper roller
Bearing is set in the connecting tube；The outside taper roll bearing is set in the bearing hole；In this application, it connects
Pipe is process for shaping steel tube, and chamfering is provided on the outside of connecting tube.
It the bearing race, the sealing ring, the connecting tube for being equipped with the inside taper roll bearing and is equipped with outer
After the pitman arm of side taper roll bearing is placed on the rocker arm shaft, by the outer of the locking nut 06 and the rocker arm shaft
Screw thread connects.Sealing ring is used for location sealing taper roll bearing for sealing inside taper roll bearing, bearing race.
It is additionally provided with O-ring 01 between the outside taper roll bearing and the locking nut, for sealing outside
Taper roll bearing.
It is provided with the widened counter sink of internal diameter on the outside of the bearing hole, a circle is provided on the side wall of the counter sink
Card slot, the clamping of ball cupuliform butter lid 02 are provided with in the card slot in the card slot of the ball cupuliform butter outer side of lid
Retainer 08 prevents impurity from invading, it can be achieved that sealing and locking to bearing hole.
It the above is only the description of the preferred embodiment of the present invention, it is noted that due to the finiteness of literal expression, and
Objectively there is unlimited concrete structure, for those skilled in the art, is not departing from the principle of the invention
Under the premise of, several improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of motor turning transition rocker arm assembly, it is characterised in that：Including rocker arm support mounting plate, pitman arm, bearing block
Circle, locking nut, sealing ring, inside taper roll bearing, rocker arm shaft, outside taper roll bearing and connecting tube；
Mounting hole and rocking arm shaft mounting hole are provided on the rocker arm support mounting plate；
The inner end of the rocker arm shaft is fixed in the rocking arm shaft mounting hole, and the outboard end of the rocker arm shaft is provided with outer spiral shell
Line；
The upper end of the pitman arm is provided with bearing hole, and one end of the connecting tube is fixedly connected with the rocker arm shaft；It is described
The inner cavity of connecting tube is connected to the bearing hole；The inside taper roll bearing is set in the connecting tube；The outside
Taper roll bearing is set in the bearing hole；
The bearing race, the sealing ring, the connecting tube for being equipped with the inside taper roll bearing and be equipped with outside circle
After the pitman arm of taper roller bearing is placed on the rocker arm shaft, by the external screw thread spiral shell of the locking nut and the rocker arm shaft
Line connects.
2. motor turning transition rocker arm assembly according to claim 1, it is characterised in that：The inner end of the rocker arm shaft is set
Be equipped with chamfering, after the inner end of the rocker arm shaft is fixed in the rocking arm shaft mounting hole, the inner side end of the rocker arm shaft with
Circular pit is formed between the inner surface of the rocker arm support mounting plate, welding material is filled in the circular pit.
3. motor turning transition rocker arm assembly according to claim 1, it is characterised in that：In the outside taper roller axis
It holds and is additionally provided with O-ring between the locking nut.
4. motor turning transition rocker arm assembly according to claim 1, it is characterised in that：The outside of the bearing hole is arranged
There is the widened counter sink of internal diameter, a circle card slot is provided on the side wall of the counter sink, ball cupuliform butter lid is connected in described
In card slot, retainer is provided in the card slot of the ball cupuliform butter outer side of lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611182200.9A CN106585715B (en) | 2016-12-20 | 2016-12-20 | A kind of motor turning transition rocker arm assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611182200.9A CN106585715B (en) | 2016-12-20 | 2016-12-20 | A kind of motor turning transition rocker arm assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106585715A CN106585715A (en) | 2017-04-26 |
| CN106585715B true CN106585715B (en) | 2018-10-30 |
Family
ID=58599701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611182200.9A Active CN106585715B (en) | 2016-12-20 | 2016-12-20 | A kind of motor turning transition rocker arm assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106585715B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112092904A (en) * | 2020-08-12 | 2020-12-18 | 江苏瑞江车辆系统有限公司 | Three-section type disconnected steering device |
| CN113479260B (en) * | 2021-07-30 | 2022-09-13 | 东风柳州汽车有限公司 | Automobile and arm hanging mechanism thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE496703A (en) * | 1949-06-30 | |||
| CN202657098U (en) * | 2012-06-15 | 2013-01-09 | 中联重科股份有限公司 | Steering rocker arm assembly structure |
| CN202593623U (en) * | 2012-06-15 | 2012-12-12 | 中联重科股份有限公司 | Steering rocker arm assembly structure |
| CN203186415U (en) * | 2012-12-20 | 2013-09-11 | 北汽福田汽车股份有限公司 | Pitman arm device for vehicle |
| CN203142768U (en) * | 2012-12-26 | 2013-08-21 | 上海申龙客车有限公司 | Turning transitional rocker arm |
| CN203126427U (en) * | 2012-12-27 | 2013-08-14 | 郑州精益达汽车零部件有限公司 | Pitman arm device for passenger car independent suspension |
| CN104176120A (en) * | 2013-05-23 | 2014-12-03 | 陕西重型汽车有限公司 | Automobile steering middle rocker arm assembly |
| CN204659818U (en) * | 2015-02-02 | 2015-09-23 | 陕西重型汽车有限公司 | The vertical middle pitman shaft band Rocker arm assembly of automobile |
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2016
- 2016-12-20 CN CN201611182200.9A patent/CN106585715B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106585715A (en) | 2017-04-26 |
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