CN206738352U - Eccentric bolt component and vehicle - Google Patents

Eccentric bolt component and vehicle Download PDF

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Publication number
CN206738352U
CN206738352U CN201720613819.4U CN201720613819U CN206738352U CN 206738352 U CN206738352 U CN 206738352U CN 201720613819 U CN201720613819 U CN 201720613819U CN 206738352 U CN206738352 U CN 206738352U
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China
Prior art keywords
eccentric
bolt
circular sleeve
washer
eccentric washer
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CN201720613819.4U
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Chinese (zh)
Inventor
赵小峰
张英富
王宁武
宋波
刘龙
张海龙
周蒙蒙
张昭
崔志朋
付艳超
张超
王国庆
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Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Abstract

It the utility model is related to vehicle component field, there is provided a kind of eccentric bolt component and vehicle, the eccentric bolt component include:Bolt, the bolt include bolt head and shank of bolt, and tail end of the shank of bolt away from the bolt head is formed with external screw thread;Circular sleeve, the circular sleeve are sheathed on the periphery of the shank of bolt, and the external screw thread is at least part of to spill the circular sleeve, and the first eccentric washer and the second eccentric washer are respectively arranged with the both ends of the circular sleeve;Nut, the nut driving is at the tail end of the shank of bolt, wherein, formed with the anti-rotation structure for preventing that first eccentric washer and second eccentric washer from rotating relative to the circular sleeve between first eccentric washer and second eccentric washer and the circular sleeve.Eccentric bolt component described in the utility model enhances the intensity of eccentric bolt component without setting the location structures such as groove on shank of bolt.

Description

Eccentric bolt component and vehicle
Technical field
Vehicle component field is the utility model is related to, more particularly to a kind of eccentric bolt component and vehicle.
Background technology
Eccentric bolt is a kind of conventional vehicle fastener, available for regulation vehicle tyre inclination angle, to keep the flat of vehicle Weighing apparatus traveling.
Eccentric bolt intensity in tradition is relatively low, slide fastener, thread failure easily occurs when toeing-in angle is adjusted Situations such as, it is necessary to the eccentric bolt more renewed.The eccentric bolt in tradition as shown in Figure 1, the eccentric bolt include bias Shank of bolt 1 ' and the eccentric washer 3 ' being installed on eccentric bolt bar 1 ', there is open slot by punch process on eccentric bolt bar 1 ' 2 ', the through hole 4 ' coordinated with eccentric bolt bar 1 ' is machined with eccentric washer 3 ', the inwall of through hole 4 ' is provided with and open slot 2 ' Fin 5 ' corresponding to shape, fin 5 ' can slide in open slot 2 '.In use, only open slot 2 ' and eccentric washer Fin 5 ' on 3 ' contacts, and contact area is minimum, and slide fastener damaged screw easily occurs.
Thus, it is desirable to have a kind of eccentric bolt can overcome or at least mitigate the drawbacks described above of prior art.
Utility model content
In view of this, the utility model is directed to a kind of eccentric bolt component, to improve the reliability of eccentric bolt.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in:
A kind of eccentric bolt component, the eccentric bolt component include:Bolt, the bolt include bolt head and bolt Bar, tail end of the shank of bolt away from the bolt head is formed with external screw thread;Circular sleeve, the circular sleeve are sheathed on described The periphery of shank of bolt, the external screw thread is at least part of to spill the circular sleeve, is set respectively at the both ends of the circular sleeve It is equipped with the first eccentric washer and the second eccentric washer;Nut, the nut driving at the tail end of the shank of bolt, wherein, institute State between the first eccentric washer and second eccentric washer and the circular sleeve formed with preventing first eccentric washer The anti-rotation structure rotated with second eccentric washer relative to the circular sleeve.
Further, second eccentric washer is arranged at end of the circular sleeve close to the nut, described Second eccentric washer is formed with the nut and is integrated.
Further, strengthen between second eccentric washer and the nut formed with anti-rotation rib, the anti-rotation Anti-rotation reinforcement structure formed with mutual cooperation between portion and the circular sleeve.
Further, the circular sleeve is provided with least part of shape in periphery of the end of second eccentric washer As prism structure, the mounting hole of second eccentric washer is formed as the prismatic hole corresponding with the prism structure, described Prism structure and the prismatic hole are used as the anti-rotation structure.
Further, the anti-rotation rib is formed with the reinforcement prismatic hole corresponding with the prism structure, the rib Rod structure and the reinforcement prismatic hole are used as the anti-rotation reinforcement structure.
Further, along the bearing of trend of the circular sleeve, the size of the prism structure is 11mm to 12mm, described Prismatic hole and the size sum for strengthening prismatic hole are 13.2mm to 13.8mm.
Further, match somebody with somebody between the mounting hole of first eccentric washer and the periphery of the circular sleeve formed with annular knurl Structure is closed, the annular knurl fit structure is used as the anti-rotation structure;Or first eccentric washer and the circular sleeve shape It is integrally formed.
Further, first eccentric washer is arranged at end of the circular sleeve close to the bolt head, institute State and be provided with packing ring between the first eccentric washer and the bolt head.
Further, the annular knurl between the mounting hole of first eccentric washer and the periphery of the circular sleeve coordinates knot The anti-torque of structure is more than or equal to 180Nm.
Relative to prior art, eccentric bolt component described in the utility model has the advantage that:
Eccentric bolt component described in the utility model, circular sleeve is arranged in the periphery of shank of bolt, by the first eccentric pad Piece and the second eccentric washer are arranged on circular sleeve, without setting the location structures such as groove on shank of bolt, avoid bias Pad slide fastener damaged screw, the intensity of eccentric bolt component is enhanced, reduce the frequency for changing eccentric bolt, save worker In man-hour, improve economic benefit.
Another object of the present utility model is to propose a kind of vehicle, to improve the stability of vehicle.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in:
A kind of vehicle, the vehicle are provided with according to eccentric bolt component described above.
The vehicle is same relative to Dominant Facies possessed by prior art with above-mentioned eccentric bolt component, no longer superfluous herein State.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new The exemplary embodiment of type and its illustrate be used for explain the utility model, do not form to improper restriction of the present utility model. In the accompanying drawings:
Fig. 1 is the schematic diagram of the eccentric bolt in tradition;
Fig. 2 is the schematic diagram of the eccentric bolt according to a kind of embodiment of the present utility model;
Fig. 3 is the schematic diagram of the decomposing state of the eccentric bolt shown in Fig. 2;
Fig. 4 is the circular sleeve of eccentric bolt and the schematic diagram of the first eccentric washer component shown in Fig. 2;
Fig. 5 is the circular sleeve and the first eccentric washer component partial schematic sectional view shown in Fig. 4;
Fig. 6 is the nut of eccentric bolt and the schematic diagram of eccentric washer integration member shown in Fig. 2;
Fig. 7 is the schematic cross-sectional view of nut and eccentric washer integration member along hatching C-C shown in Fig. 6.
Description of reference numerals:
1 '-eccentric bolt bar, 2 '-open slot, 3 '-eccentric washer, 4 '-through hole, 5 '-fin, 1- bolts, 11- bolt heads, 12- shanks of bolt, 13- external screw threads, 2- circular sleeves, 21- prism structures, 22- sleeve annular knurls, the eccentric washers of 3- first, 4- second Eccentric washer, 41- prismatic holes, 5- nuts, 6- anti-rotation ribs, 61- strengthen prismatic hole, 7- packing rings.
Embodiment
It should be noted that in the case where not conflicting, the spy in embodiment and embodiment in the utility model Sign can be mutually combined.
Below with reference to the accompanying drawings and embodiment is combined to describe the utility model in detail.
According to one side of the present utility model, there is provided a kind of eccentric bolt component, referring to shown in Fig. 2 and Fig. 3, it is described partially Heart bolt assembly includes:Bolt 1, bolt 1 include bolt head 11 and shank of bolt 12, tail end shape of the shank of bolt 12 away from bolt head 11 Into there is external screw thread 13;Circular sleeve 2, circular sleeve 2 are sheathed on the periphery of shank of bolt 12, and external screw thread 13 is at least part of to spill circle Shape sleeve 2, the first eccentric washer 3 and the second eccentric washer 4 are respectively arranged with the both ends of circular sleeve 2;Nut 5, nut 5 revolve Twist at the tail end of shank of bolt 12, wherein, formed with anti-between the first eccentric washer 3 and the second eccentric washer 4 and circular sleeve 2 The anti-rotation structure that only the first eccentric washer 3 and the second eccentric washer 4 rotate relative to circular sleeve 2.
Eccentric bolt component described in the utility model, circular sleeve 2 is arranged in the periphery of shank of bolt 12, it is eccentric by first The eccentric washer 4 of pad 3 and second is arranged on circular sleeve 2, without setting the location structures such as groove on shank of bolt 12, is avoided Eccentric washer slide fastener damaged screw, the intensity of eccentric bolt component is enhanced, reduce the frequency for changing eccentric bolt, saved Worker man-hour, improve economic benefit.
The adjustment mode of above-mentioned eccentric bolt component can carry out any appropriate selection according to being actually needed, for example, the Spanner interface arrangment is set in one eccentric washer 3 and/or the second eccentric washer 4, in order to which staff is convenient using spanner Adjust eccentric bolt.Preferably, referring to shown in Fig. 3, Fig. 6 and Fig. 7, the second eccentric washer 4 is arranged at circular sleeve 2 close to nut 5 end, the second eccentric washer 4 are formed with nut 5 and are integrated, and reduce amount of parts, and staff can be by screwing Nut 5 adjusts the second eccentric washer 4, and then drives the synchronous adjustment of the first eccentric washer 3, is easy to eccentric bolt to adjust.
Because the anti-rotation structure size between the second eccentric washer 4 and circular sleeve 2 is limited, it is possible to pull-out failure occur Situation.It is further preferred that referring to Fig. 7, strengthen between the second eccentric washer 4 and nut 5 formed with anti-rotation rib 6, anti-rotation Anti-rotation reinforcement structure formed with mutual cooperation between portion 6 and circular sleeve 2, to increase the eccentric washer 4 of circular sleeve 2 and second Between anti-rotation structure cooperation area, improve skidproof effect, avoid slide fastener.
The anti-rotation structure can carry out recognizing appropriate selection according to being actually needed, for example, spline interface arrangment.It is preferred that Ground, referring to Fig. 3, the periphery that circular sleeve 2 is provided with the end of the second eccentric washer 4 at least part of is formed as prism structure 21, the mounting hole of the second eccentric washer 4 is formed as the prismatic hole 41 corresponding with the prism structure, prism structure 21 and prismatic Hole 41 is used as the anti-rotation structure, and prism structure 21 is simple in construction, easy to process, and is easy to the eccentric pad of circular sleeve 2 and second The assembling of piece 4, user may be selected to make the periphery of circular sleeve 2 to be all formed as prism structure, and embodiment party as shown also may be selected Only partially forming as prism structure in formula, can prevent the second eccentric washer 4 from being rotated relative to circular sleeve 2.
Preferably, anti-rotation rib 6 is formed with the reinforcement prismatic hole 61 corresponding with prism structure 21, the He of prism structure 21 Strengthen prismatic hole 61 and be used as the anti-rotation reinforcement structure, be easy to the assembling of the integration member of the eccentric washer 4 of nut 5 and second composition. Wherein, the size of prismatic hole 41 can be equal to by strengthening the size of prismatic hole 61, be also smaller than the size of prismatic hole 41, only need to accordingly be set The size of the prism structure 21 of diverse location is put, but for the ease of the manufacturing of circular sleeve 2, preferably strengthens rib The size in shape hole 61 is equal to the size of prismatic hole 41.
Preferably, along the bearing of trend of circular sleeve 2, the size e of prism structure 21 is 11mm to 12mm, the He of prismatic hole 41 The size a sums for strengthening prismatic hole 61 are 13.2mm to 13.8mm, to ensure prism structure 21 and prismatic hole 41, strengthen prismatic hole There is enough contacts area between 61, so as to avoid the occurrence of the situation of slipping failure, improve the stability of eccentric bolt component And reliability.
In order to ensure circular sleeve 2 and nut 5 and the integration member of the second eccentric washer 4 smooth can assemble, and with foot Enough assembly precisions, the size f of the prism structure 21 of circular sleeve 2 are bigger than the size k of prismatic hole 41 (with prismatic hole 61 is strengthened) 0.3mm to 0.5mm.
Preferably, referring to Fig. 3, Fig. 4 and Fig. 5, shape between the mounting hole of the first eccentric washer 3 and the periphery of circular sleeve 2 Into there is annular knurl fit structure, the annular knurl fit structure is used as the anti-rotation structure, to realize the first eccentric washer 3 and circular set The positioning of cylinder 2.Specifically, referring to shown in Fig. 3 and Fig. 5, the periphery of one end of the first eccentric washer 3 is provided with circular sleeve 2 Sleeve annular knurl 22 is set, corresponding annular knurl is set on the circumferential wall of the mounting hole of the first eccentric washer 3, and will the two phase interworking That closes is mounted together.
Alternatively, also may be such that the first eccentric washer 3 is formed with circular sleeve 2 to be integrated, to cause the two more Reliably it is positioned, still, eccentric washer and sleeve shaped are integrally formed the manufacture difficulty that can increase eccentric bolt component, improve system This is caused, it is therefore preferable that to be fitted together after the two respectively shaping.
Preferably, the first eccentric washer 3 is arranged at end of the circular sleeve 2 close to bolt head 11, the first eccentric washer 3 Packing ring 7 is provided between bolt head 11, to improve the Assembly stability of eccentric bolt component and reliability.Wherein, on pad The set-up mode of circle 7, user may be selected that first packing ring 7 is set on shank of bolt 12, then roll threading again, make packing ring 7 will not be from Fallen down on bolt 1, be formed as an external member, be easy to the assembling of bolt, and avoid the loss of packing ring 7.
The anti-torque of annular knurl fit structure between the mounting hole of first eccentric washer 3 and the periphery of circular sleeve 2 can Appropriate selection, preferably greater than or equal to 180Nm are carried out according to being actually needed.The thickness of first eccentric washer 3 can basis Be actually needed and carry out any appropriate selection, in the shown embodiment, the thickness b of the first eccentric washer 3 for 2.5mm extremely 3.5mm, similarly, the thickness of the second eccentric washer 4 are preferably also 2.5mm to 3.5mm.
Illustrate installation and the method for adjustment of above-mentioned eccentric bolt component below in conjunction with the accompanying drawings, wherein, when mounted, first will circle Shape sleeve 2 fits together with the first eccentric washer 3, is then set in again on the sub-assembly of bolt 1 and packing ring 7, then again will Above stated assembly is fitted into corresponding eccentric bolt mounting hole, with the equipment such as spanner integrating the eccentric washer 4 of nut 5 and second Part is urgent;In adjustment, first bolt 1 is unscrewed with equipment such as spanners, then screw on nut 5 adjusts the He of the first eccentric washer 3 Second eccentric washer 4, after regulation, then it is with spanner that bolt 1 is urgent, that is, complete regulation.
According to other side of the present utility model, there is provided a kind of vehicle, the vehicle are provided with according to described above Eccentric bolt component.The eccentric bolt component can be used for the position of any required setting-up eccentricity bolt on vehicle, be preferably used for Toeing-in angle is adjusted, its is easy to adjust, and reliability is high, can improve the stability of vehicle.
The foregoing is only better embodiment of the present utility model, not to limit the utility model, it is all Within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., it is new to should be included in this practicality Within the protection domain of type.

Claims (10)

1. a kind of eccentric bolt component, it is characterised in that the eccentric bolt component includes:
Bolt (1), the bolt (1) include bolt head (11) and shank of bolt (12), and the shank of bolt (12) is away from the bolt The tail end of head (11) is formed with external screw thread (13);
Circular sleeve (2), the circular sleeve (2) are sheathed on the periphery of the shank of bolt (12), and the external screw thread (13) is at least Partial spills the circular sleeve (2), be respectively arranged with the both ends of the circular sleeve (2) the first eccentric washer (3) and Second eccentric washer (4);
Nut (5), the nut (5) are screwed at the tail end of the shank of bolt (12),
Wherein, between first eccentric washer (3) and second eccentric washer (4) and the circular sleeve (2) formed with Prevent first eccentric washer (3) and anti-rotation knot that second eccentric washer (4) rotates relative to the circular sleeve (2) Structure.
2. eccentric bolt component according to claim 1, it is characterised in that second eccentric washer (4) is arranged at institute End of the circular sleeve (2) close to the nut (5) is stated, second eccentric washer (4) is formed as one with the nut (5) Body.
3. eccentric bolt component according to claim 2, it is characterised in that second eccentric washer (4) and the spiral shell Formed with anti-rotation rib (6) between female (5), formed with mutual between the anti-rotation rib (6) and the circular sleeve (2) The anti-rotation reinforcement structure of cooperation.
4. eccentric bolt component according to claim 3, it is characterised in that the circular sleeve (2) is provided with described The periphery of the end of two eccentric washers (4) is at least part of to be formed as prism structure (21), second eccentric washer (4) Mounting hole is formed as the prismatic hole (41) corresponding with the prism structure, the prism structure (21) and the prismatic hole (41) As the anti-rotation structure.
5. eccentric bolt component according to claim 4, it is characterised in that the anti-rotation rib (6) formed with institute The corresponding reinforcement prismatic hole (61) of prism structure (21) is stated, the prism structure (21) and the reinforcement prismatic hole (61) are used as The anti-rotation reinforcement structure.
6. eccentric bolt component according to claim 5, it is characterised in that along the bearing of trend of the circular sleeve (2), The size of the prism structure (21) is 11mm to 12mm, the prismatic hole (41) and the size for strengthening prismatic hole (61) it With for 13.2mm to 13.8mm.
7. the eccentric bolt component according to any one in claim 1-6, it is characterised in that
Formed with annular knurl fit structure between the mounting hole of first eccentric washer (3) and the periphery of the circular sleeve (2), The annular knurl fit structure is used as the anti-rotation structure;Or
First eccentric washer (3) forms with the circular sleeve (2) and is integrated.
8. eccentric bolt component according to claim 7, it is characterised in that first eccentric washer (3) is arranged at institute State end of the circular sleeve (2) close to the bolt head (11), first eccentric washer (3) and the bolt head (11) it Between be provided with packing ring (7).
9. eccentric bolt component according to claim 7, it is characterised in that the mounting hole of first eccentric washer (3) The anti-torque of annular knurl fit structure between the periphery of the circular sleeve (2) is more than or equal to 180Nm.
10. a kind of vehicle, it is characterised in that the vehicle is provided with the bias according to any one in claim 1-9 Bolt assembly.
CN201720613819.4U 2017-05-27 2017-05-27 Eccentric bolt component and vehicle Active CN206738352U (en)

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CN201720613819.4U CN206738352U (en) 2017-05-27 2017-05-27 Eccentric bolt component and vehicle

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Application Number Priority Date Filing Date Title
CN201720613819.4U CN206738352U (en) 2017-05-27 2017-05-27 Eccentric bolt component and vehicle

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Publication Number Publication Date
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108253004A (en) * 2017-12-15 2018-07-06 中国航空工业集团公司成都飞机设计研究所 A kind of bolt assembly of adjustable single ears connection coaxiality
CN108331826A (en) * 2018-03-30 2018-07-27 芜湖强振汽车紧固件有限公司 A kind of Car Wheel Nut's structure and its assemble method
CN110397647A (en) * 2019-08-01 2019-11-01 吴清照 Reversed fastening screw
CN114342666A (en) * 2022-01-25 2022-04-15 深圳市杉川机器人有限公司 Intelligent mower

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108253004A (en) * 2017-12-15 2018-07-06 中国航空工业集团公司成都飞机设计研究所 A kind of bolt assembly of adjustable single ears connection coaxiality
CN108331826A (en) * 2018-03-30 2018-07-27 芜湖强振汽车紧固件有限公司 A kind of Car Wheel Nut's structure and its assemble method
CN110397647A (en) * 2019-08-01 2019-11-01 吴清照 Reversed fastening screw
CN114342666A (en) * 2022-01-25 2022-04-15 深圳市杉川机器人有限公司 Intelligent mower

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