CN203186415U - Pitman arm device for vehicle - Google Patents
Pitman arm device for vehicle Download PDFInfo
- Publication number
- CN203186415U CN203186415U CN 201220710979 CN201220710979U CN203186415U CN 203186415 U CN203186415 U CN 203186415U CN 201220710979 CN201220710979 CN 201220710979 CN 201220710979 U CN201220710979 U CN 201220710979U CN 203186415 U CN203186415 U CN 203186415U
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- CN
- China
- Prior art keywords
- axle sleeve
- pitman arm
- pitman
- shaft
- arm device
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a pitman arm device for a vehicle. The pitman arm device comprises a pitman arm shaft, a needle bearing, a shaft sleeve, a first sealing ring, a second sealing ring, a locating assembly and a pitman arm. The shaft sleeve is sleeved on the needle bearing and can be pivoted relative to the pitman arm shaft, and a preset distance is left between the inner side wall of the shaft sleeve and the outer side wall of the pitman arm shaft. The first sealing ring and the second sealing ring are sleeved on the pitman arm shaft and located between the inner side wall of the shaft sleeve and the outer side wall of the pitman arm shaft. The first sealing ring is arranged at the position close to one end of the shaft sleeve, and the second sealing ring is arranged at the position close to the other end of the shaft sleeve. The shaft sleeve is located by the locating assembly on the pitman arm shaft to limit movement of the shaft sleeve in the axial direction of the pitman arm shaft. The pitman arm is fixedly connected with the shaft sleeve. According to the pitman arm device for the vehicle, the needle bearing is arranged between the shaft sleeve and the pitman arm shaft, shaking amount of the shaft sleeve can be reduced, and rotating resistance of the pitman arm can be reduced.
Description
Technical field
The utility model relates to a kind of pitman arm device for vehicle.
Background technology
In the prior art, pitman shaft and pitman arm connection mode are the mode of contact friction, and main parts size is copper spare.This structure is at the use initial stage, and the gap is little between the parts, and rotation friction is big, easily causes hard steering.If pitman arm is used for heavy motor vehicle, because the load of heavy motor vehicle is very big, after a period of time is rotated in the pitman arm heavy duty, each copper spare wearing and tearing, cause rocking arm to rock excessive clearance, turn to insensitive danger in case change untimely meeting, so need the frequent parts of changing.And copper spare price is higher, has promoted replacement cost.
On multi-axle steering or wheel flutter and deflector distance heavy motor vehicle far away, particularly on the wheel crane, adopt pitman arm to transmit steering effort more.Both there had been power radially between pitman arm and the pitman shaft, had axial power again, and also need bear extraneous bigger impulsive force.The resistance that relatively rotates between pitman arm and the pitman shaft can not be excessive, and the relative shifting amount between each parts can not be excessive, otherwise all can influence normal direction of rotation.
The utility model content
The utility model is intended to solve at least one of technical matters that exists in the prior art.
In view of this, the utility model need provide a kind of pitman arm device for vehicle, and it is low that this pitman arm device has maintenance cost at least, the advantage that the pitman arm rotary resistance is little.
According to the pitman arm device for vehicle of the present utility model, comprising: pitman shaft; Needle bearing, described needle bearing are set on the described pitman shaft; Axle sleeve, described axle sleeve are set on the described needle bearing can pivot with respect to described pitman shaft; First and second seal rings, described first and second seal rings are set on the described pitman shaft, and between the lateral wall of the madial wall of described axle sleeve and described pitman shaft, and described first seal ring is near an end setting of described axle sleeve, and described second seal ring is near the other end setting of described axle sleeve; Positioning component, described positioning component is positioned on the described pitman shaft described axle sleeve to limit described axle sleeve along the movement of the axial direction of described pitman shaft; And pitman arm, described pitman arm is captiveed joint with described axle sleeve.
The pitman arm device that is used for vehicle according to embodiment of the present utility model is provided with the rolling momentum that needle bearing not only can reduce axle sleeve, and can reduces the rotary resistance of pitman arm between axle sleeve and the pitman shaft.
According to an embodiment of the present utility model, described positioning component comprises: first and second stopper sections, and described first and second stopper sections are positioned on the described pitman shaft, and lay respectively at the two ends of described axle sleeve; First and second steel washers, described first steel washer are between first stopper section and described axle sleeve, and described second steel washer is between described second stopper section and described axle sleeve.
According to an embodiment of the present utility model, the distance between described first and second stopper sections is greater than the length of described axle sleeve and the thickness sum of first and second steel washers.
According to an embodiment of the present utility model, the distance between described first and second stopper sections is greater than the length of described axle sleeve and the thickness sum of first and second steel washers, and this difference is 0.2-0.5mm.
According to an embodiment of the present utility model, the center of the end face of one end of described pitman shaft is provided with diameter less than the screw rod of the diameter of described pitman shaft, described first stopper section be set on the described screw rod and with described end face against back-up ring, described screw rod is provided with the nut for the described back-up ring of locking.
According to an embodiment of the present utility model, be provided with the 3rd steel washer between described back-up ring and the described end face.
According to an embodiment of the present utility model, described nut is fluted nut, and described nut is provided with the spring cotter that cooperates with described nut and described screw rod.
According to an embodiment of the present utility model, the other end of described pitman shaft is connected with the attachment face of vehicle frame is vertical, and described second stopper section is the attachment face of described vehicle frame.
According to an embodiment of the present utility model, the sidewall of described axle sleeve is provided with the through hole that connects described axle sleeve sidewall, and the lateral wall of described axle sleeve is provided with the oil nozzle that is communicated with described through hole.
According to an embodiment of the present utility model, described pitman arm and the welding of described axle sleeve.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 has shown the structural representation according to the pitman arm device of an embodiment of the present utility model.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center "; " vertically "; " laterally "; " on "; D score; " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", close the orientation of indications such as " outward " or position is based on orientation shown in the drawings or position relation, only be the utility model and simplification description for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
In description of the present utility model, need to prove that unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be captive joint, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can particular case understand the concrete implication of above-mentioned term in the utility model.
As shown in Figure 1, the pitman arm device according to embodiment of the present utility model comprises: pitman shaft 10, needle bearing 20, axle sleeve 30, first seal ring 41, second seal ring 42, positioning component 50 and pitman arm 60.
Particularly, needle bearing 20 can be set on the pitman shaft 10.For example, needle bearing 20 can be two, lays respectively at the two ends of pitman shaft 10.
Positioning component 50 is positioned on the pitman shaft 10 axle sleeve 30 with the movement of restriction axle sleeve 30 along the axial direction of pitman shaft 10, and axle sleeve 30 is pivoted to rocker shaft 10 to rotate only.
The pitman arm device that is used for vehicle according to embodiment of the present utility model is provided with the rolling momentum that needle bearing 20 not only can reduce axle sleeve 30, and can reduces the rotary resistance of pitman arm 60 between axle sleeve 30 and the pitman shaft 10.
As shown in Figure 1, according to an embodiment of the present utility model, positioning component 50 can comprise: first stopper section 51, second stopper section 52, first steel washer 71 and second steel washer 72.
Particularly, first stopper section 51 and second stopper section 52 are positioned on the pitman shaft 10, and lay respectively at the two ends of axle sleeve 30.
First steel washer 71 can be between first stopper section 51 and axle sleeve 30, and second steel washer 72 can be between second stopper section 52 and axle sleeve 30.
In other words, arrange along the axial direction of pitman shaft 10 successively first stopper section 51, first steel washer 71, axle sleeve 30, second steel washer 72 and second stopper section.
Thus, adopt first steel washer 71 relative lower with the cost that adopts copper spare with second steel washer 72, and, first steel washer 71 and second steel washer 72, for example can make for adopting 45 steel material, abrasion-resistance is strong, need not frequently change, prolong the period of service of parts, reduced use cost.
As shown in Figure 1, according to an embodiment of the present utility model, the distance between first stopper section 51 and second stopper section 52 is greater than the length of axle sleeve 30 and the thickness sum of first steel washer 71 and second steel washer 72.In other words, the axle sleeve 30, first steel washer 71 and second steel washer 72 that arrange between first stopper section 51 and second stopper section 52 each other or and first stopper section 51 or second stopper section 52 between can have the space.Thus, can reduce the rotary resistance of pitman arm.
Further, the distance between first stopper section 51 and second stopper section 52 is greater than the length of axle sleeve 30 and the thickness sum of first steel washer 71 and second steel washer 72.This difference is 0.2-0.5mm.For example can be 0.3mm or 0.4mm.Thus, this distance had not only been controlled the rolling momentum of axle sleeve 30 but also had been reduced the rotary resistance of pitman arm 60.
As shown in Figure 1, according to an embodiment of the present utility model, the center of the end face of one end of pitman shaft 10 is provided with diameter less than the screw rod 11 of the diameter of pitman shaft 10, first stopper section 51 for be set on the screw rod 11 and with end face against back-up ring, screw rod 11 is provided with the nut 80 for the locking back-up ring.Thus, can realize the separable joint of first stopper section 51 and pitman shaft 10, with convenient maintenance and replacing to each part.
Further, be provided with the 3rd steel washer 73 between back-up ring and the end face, the 3rd steel washer 73 that different-thickness can be set is adjusted the distance between first stopper section 51 and second stopper section 52.For example can design the 3rd steel washer 73 of a series of different-thickness, by using the 3rd steel washer 73 of different-thickness, can the strict guarantee gap value, not only control the rolling momentum of axle sleeve 30 but also reduced the rotary resistance of pitman arm 60.Can solve because the long-term problem of using the excessive clearance that causes, the thickness that can directly adjust the 3rd steel washer 73 comes control gap, need not change all the other parts, keeps in repair more conveniently, and maintenance cost is lower.
As shown in Figure 1, according to an embodiment of the present utility model, nut 80 is fluted nut, and nut is provided with the spring cotter 81 that cooperates with nut 80 and screw rod 11.Thus, can guarantee that first stop part 51 rear portion that is positioned can move along the axial direction of screw rod 11.
As shown in Figure 1, according to an embodiment of the present utility model, the vertical connection of attachment face of the other end of pitman shaft 10 and vehicle frame 90, second stopper section 52 is the attachment face of vehicle frame 90.Thus, can limit the axial direction of axle sleeve 30 at pitman shaft 10.
As shown in Figure 1, according to an embodiment of the present utility model, the sidewall of axle sleeve 30 is provided with the through hole that connects axle sleeve 30 sidewalls, and the lateral wall of axle sleeve 30 is provided with the oil nozzle 100 that is communicated with through hole.Oil nozzle 100 can be realized charging and discharging oil in the axle sleeve 30.
In the description of this specification sheets, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present utility model or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that, can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present utility model and aim, scope of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. a pitman arm device that is used for vehicle is characterized in that, comprising:
Pitman shaft;
Needle bearing, described needle bearing are set on the described pitman shaft;
Axle sleeve, described axle sleeve are set on the described needle bearing can pivot with respect to described pitman shaft; First and second seal rings, described first and second seal rings are set on the described pitman shaft, and between the lateral wall of the madial wall of described axle sleeve and described pitman shaft, and described first seal ring is near an end setting of described axle sleeve, and described second seal ring is near the other end setting of described axle sleeve;
Positioning component, described positioning component is positioned on the described pitman shaft described axle sleeve to limit described axle sleeve along the movement of the axial direction of described pitman shaft; And
Pitman arm, described pitman arm is captiveed joint with described axle sleeve.
2. pitman arm device according to claim 1 is characterized in that, described positioning component comprises:
First and second stopper sections, described first and second stopper sections are positioned on the described pitman shaft, and lay respectively at the two ends of described axle sleeve;
First and second steel washers, described first steel washer are between first stopper section and described axle sleeve, and described second steel washer is between described second stopper section and described axle sleeve.
3. pitman arm device according to claim 2 is characterized in that, the distance between described first and second stopper sections is greater than the length of described axle sleeve and the thickness sum of first and second steel washers.
4. pitman arm device according to claim 3 is characterized in that, the distance between described first and second stopper sections is greater than the length of described axle sleeve and the thickness sum of first and second steel washers, and this difference is 0.2-0.5mm.
5. pitman arm device according to claim 3, it is characterized in that, the center of the end face of one end of described pitman shaft is provided with diameter less than the screw rod of the diameter of described pitman shaft, described first stopper section be set on the described screw rod and with described end face against back-up ring, described screw rod is provided with the nut for the described back-up ring of locking.
6. pitman arm device according to claim 5 is characterized in that, is provided with the 3rd steel washer between described back-up ring and the described end face.
7. pitman arm device according to claim 5 is characterized in that, described nut is fluted nut, and described nut is provided with the spring cotter that cooperates with described nut and described screw rod.
8. pitman arm device according to claim 5 is characterized in that, the other end of described pitman shaft is connected with the attachment face of vehicle frame is vertical, and described second stopper section is the attachment face of described vehicle frame.
9. pitman arm device according to claim 1 is characterized in that, the sidewall of described axle sleeve is provided with the through hole that connects described axle sleeve sidewall, and the lateral wall of described axle sleeve is provided with the oil nozzle that is communicated with described through hole.
10. pitman arm device according to claim 1 is characterized in that, described pitman arm and the welding of described axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220710979 CN203186415U (en) | 2012-12-20 | 2012-12-20 | Pitman arm device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220710979 CN203186415U (en) | 2012-12-20 | 2012-12-20 | Pitman arm device for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203186415U true CN203186415U (en) | 2013-09-11 |
Family
ID=49103295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220710979 Expired - Lifetime CN203186415U (en) | 2012-12-20 | 2012-12-20 | Pitman arm device for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203186415U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104512460A (en) * | 2014-12-30 | 2015-04-15 | 徐州重型机械有限公司 | Steering arm component, steering mechanism and multi-axis steering wheel type overload vehicle |
| CN106585715A (en) * | 2016-12-20 | 2017-04-26 | 安徽江淮汽车集团股份有限公司 | Automobile steering transition rocker arm assembly |
| CN112412983A (en) * | 2020-11-16 | 2021-02-26 | 贵州贵航飞机设计研究所 | Gap adjusting shaft sleeve for support and rotary rocker arm |
-
2012
- 2012-12-20 CN CN 201220710979 patent/CN203186415U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104512460A (en) * | 2014-12-30 | 2015-04-15 | 徐州重型机械有限公司 | Steering arm component, steering mechanism and multi-axis steering wheel type overload vehicle |
| EP3241722A4 (en) * | 2014-12-30 | 2018-10-03 | Xuzhou Heavy Machinery Co., Ltd. | Rotating rocker arm assembly, rotating mechanism and multi-axis rotating wheel-type heavy-duty vehicle |
| US10583860B2 (en) | 2014-12-30 | 2020-03-10 | Xuzhou Heavy Machinery Co., Ltd. | Steering arm assembly, steering mechanism and multi-axle steering wheel type heavy duty vehicle |
| CN106585715A (en) * | 2016-12-20 | 2017-04-26 | 安徽江淮汽车集团股份有限公司 | Automobile steering transition rocker arm assembly |
| CN112412983A (en) * | 2020-11-16 | 2021-02-26 | 贵州贵航飞机设计研究所 | Gap adjusting shaft sleeve for support and rotary rocker arm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201009 Address after: No.202 Xuanfu street, Xuanhua District, Zhangjiakou, Hebei Province Patentee after: Hebei Leisa Heavy Construction Machinery Co.,Ltd. Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |
|
| CX01 | Expiry of patent term |