CN205075973U - Self -align type chain stay - Google Patents
Self -align type chain stay Download PDFInfo
- Publication number
- CN205075973U CN205075973U CN201520692847.0U CN201520692847U CN205075973U CN 205075973 U CN205075973 U CN 205075973U CN 201520692847 U CN201520692847 U CN 201520692847U CN 205075973 U CN205075973 U CN 205075973U
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- CN
- China
- Prior art keywords
- annular groove
- self
- trapezoidal annular
- axle block
- chain stay
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a self -align type chain stay, including head pipe, left leg pipe, right leg pipe and wheel axle base, right leg pipe end portion sets up the installation and overlaps, installation cover overcoat in wheel axle base, the wheel axle base excircle is equipped with trapezoidal annular, the circle is equipped with that to fit shape complex keystone ring mutually protruding with trapezoidal annular in the installation cover, the utility model discloses a protruding structure of trapezoidal annular and keystone ring is mutually supported, when in the shaft hole coaxality deviation taking place, the shaft hole is self -adaptation adjustment axiality under moment of torsion (the production of shaft hole disalignment) the effect externally, when making the axiality installation between self axiality and stopper brake block and the wheel and the self -adjusting of when use, can guarantee the long period normal operating of mechanism, energy saving and power, the life of the vice part of extension friction, and the axiality in rear wheel shaft hole that can be on when installation two legs of automatic adjustment pipe, guarantee the vice axiality of each friction in the installation as far as possible, avoid rubbing partially, the life cycle of the vice part of each friction of extension.
Description
Technical field
The utility model relates to a kind of suspension installation of power driven vehicles parts, the chain stay that the axletree that particularly can be arranged on wheel fork rigidity adjusts.
Background technology
Chain stay is motor class self-propelled vehicle vitals, belongs to suspension gear.Chain stay comprises two leg pipes, by the end central siphon that two leg pipes are fixedly connected with; Two leg pipes of prior art arrange trailing wheel axis hole, for installing trailing wheel; Vehicle frame is supported on road surface by chain stay together with trailing wheel, and the rigidity of self-propelled vehicle chain stay and wheel is comparatively large, and approximate as rigid treatment in theory, therefore, the trailing wheel axis hole right alignment on two leg pipes plays important effect to normal vehicle operation.If can not ensure during installation that the right alignment of the trailing wheel axis hole on two leg pipes can make Wheel bearing partially rub, brake shoe also can form the friction pair that partially rubs, and worsens the operation conditions of vehicle, causes the waste of the energy and power, and improve the cost of overhaul of vehicle.Particularly to the self-propelled vehicle of self-adapting automatic gear shift device, adaptive shift needs more accurate torque transmitting, if wheel shaft installs deflection, brake shoe or other friction pairs can produce additional moment when vehicle operating, just can not ensure moment precise delivery, affect the regular event of self-adapting automatic gear shift device, also will affect vehicle and normally run.
Therefore, need to improve existing chain stay, automatically automatically right alignment can be adjusted according to the situation of trailing wheel axis hole, thus avoid partially rubbing, economize energy and power, extend the service life of friction pair parts, and automatically can adjust the right alignment of the trailing wheel axis hole on two leg pipes in real time, the right alignment of each friction pair can be ensured in installation process, avoid partially rubbing, extend the operating cycles of each friction pair parts.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of self-align type chain stay, automatically automatically right alignment can be adjusted according to the situation of trailing wheel axis hole, thus avoid partially rubbing, economize energy and power, extend the service life of friction pair parts, and automatically can adjust the right alignment of the trailing wheel axis hole on two leg pipes in real time, the right alignment of each friction pair can be ensured in installation process, avoid partially rubbing, extend the operating cycles of each friction pair parts.
Self-align type chain stay of the present utility model, comprise head tube, left leg pipe, right leg pipe and axle block, right leg tube end arranges installation sleeve, and described installation sleeve is coated at axle block;
Described axle block cylindrical is provided with trapezoidal annular groove, and it is convex that described installation sleeve inner circle is provided with the keystone ring coordinated with trapezoidal annular groove conformal; Or it is convex that described axle block cylindrical is provided with keystone ring, described installation sleeve inner circle is provided with the trapezoidal annular groove coordinated with trapezoidal annular groove conformal.
Further, the cross-sectional plane upper side wall of described trapezoidal annular groove is arc, and the convex cross-sectional plane upper side wall of described keystone ring is the arc adapted with the sidewall of trapezoidal annular groove;
Further, the cross-sectional plane upper side wall of described trapezoidal annular groove is the arc of evagination, and the convex cross-sectional plane upper side wall of described keystone ring is the arc of the indent adapted with the sidewall of trapezoidal annular groove;
Further, described axle block cylindrical is provided with trapezoidal annular groove, and described axle block is unitized construction, comprises axle block body and jointly form the end cap of trapezoidal annular groove with axle block body, described end cap and axle block body be detachable to be connected and to form a sidewall of trapezoidal annular groove;
Further, described end cap is installed on axle block body in the mode that axial location is adjustable;
Further, described end cap forms the end cap inner sleeve being coated at axle block body;
Further, described end cap screw thread fit is provided with screw rod and is installed on axle block body by this screw rod;
Further, described axle block cylindrical is provided with trapezoidal annular groove, and the convex cross-sectional plane upper side wall of described keystone ring is the arc of evagination;
Further, the cross-sectional plane upper side wall of described trapezoidal annular groove is the arc of the indent of the convex sidewall conformal with keystone ring.
The beneficial effects of the utility model are: self-align type chain stay of the present utility model, installation sleeve is adopted to be coated at the structure of axle block, and cooperatively interacted by trapezoidal annular groove and the convex structure of keystone ring, when axis hole generation coaxiality deviation, axis hole can under external torque (generation of axis hole disalignment) effect self-adaptative adjustment right alignment, when self right alignment and the right alignment between brake shoe and wheel are installed and the self aligning of the time of use, can ensure that the long period of mechanism normally runs, economize energy and power, extend the service life of friction pair parts, and automatically can adjust the right alignment of the trailing wheel axis hole on two leg pipes when mounted, in installation process, ensure the right alignment of each friction pair as far as possible, avoid partially rubbing, extend the operating cycles of each friction pair parts.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is figure partial enlarged drawing.
Detailed description of the invention
Fig. 1 is structural representation of the present utility model, Fig. 2 is Fig. 1 partial enlarged drawing, as shown in the figure: the self-align type chain stay of the present embodiment, comprises head tube, left leg pipe 6, right leg pipe 7 and axle block, right leg pipe 7 end arranges installation sleeve 1, and described installation sleeve 1 is coated at axle block;
Described axle block cylindrical is provided with trapezoidal annular groove 3, and described installation sleeve 1 inner circle is provided with the keystone ring convex 9 coordinated with trapezoidal annular groove 3 conformal; Certainly, described axle block cylindrical also can be adopted to be provided with the convex structure of keystone ring, now described installation sleeve inner circle is provided with the trapezoidal annular groove coordinated with trapezoidal annular groove conformal, can realize utility model object equally; Trapezoidal annular groove refers to the flute profile that opening lateral dimension is greater than bottom transverse size, keystone ring is convex, is the annular protrusion that top cross size is less than bottom transverse size, under external force torsional interaction, there is certain relative movement after cooperation, for automatically adjusting right alignment.
In the present embodiment, the cross-sectional plane upper side wall of described trapezoidal annular groove 3 is arc, and the cross-sectional plane upper side wall of described keystone ring convex 9 is the arc adapted with the sidewall of trapezoidal annular groove; Namely the sidewall of trapezoidal annular groove 3 is cambered surface, and the sidewall of keystone ring convex 9 is also cambered surface, forms the spherical matching pair of cambered surface, has good adaptive performance, have larger adjustment degree of freedom under external force; During installation, spherical pair can the right alignment of self-adaptative adjustment brake gear and driving system, and assurance device can normally run.
In the present embodiment, the cross-sectional plane upper side wall of described trapezoidal annular groove 3 is the arc of evagination, and the cross-sectional plane upper side wall of described keystone ring convex 9 is the arc of the indent adapted with the sidewall of trapezoidal annular groove 3; The convenient processing of this structure, stress condition is better, has degree of laminating preferably after installation, ensures to facilitate install and adjust assemblage gap under the prerequisite automatically adjusting right alignment.
In the present embodiment, described axle block cylindrical is provided with trapezoidal annular groove 3, and described axle block is unitized construction, comprises axle block body 2 and jointly form the end cap 4 of trapezoidal annular groove 3 with axle block body 2, described end cap 4 and axle block body 2 be detachable to be connected and to form a sidewall of trapezoidal annular groove 3; Sectional construction has good comformability, can conveniently set or adjust trapezoidal annular groove and the convex tolerance clearance of keystone ring, and simplify installation process.
In the present embodiment, described end cap 4 is installed on axle block body 2 in the mode that axial location is adjustable; Adjusted the lateral dimension of trapezoidal annular groove by the axial location of adjustment end cap 4, rational assemblage gap can be adjusted when mounted, installation error can be adjusted easily according to assembling situation; After use has wearing and tearing, also can carry out adjustment tolerance clearance by the axial location adjusting end cap, ensure overall stability; Further, this structure is convenient installs.
In the present embodiment, described end cap 4 forms the end cap inner sleeve being coated at axle block body 2; As shown in the figure, between end cap inner sleeve and axle block body 2, be also provided with elastic ring 8, for eliminating gap and being formed in floating in elastic range, be beneficial to adjustment right alignment; End cap inner sleeve is coated at axle block body 2, retrains the radial orientation of end cap 4, ensures setting accuracy, thus ensures the precision of trapezoidal annular groove; Meanwhile, this structure can also ensure the stable installation of end cap and axle block body, ensure that radial fixing, thus make the installation stability of chain stay while guarantee axial restraint.
In the present embodiment, described end cap 4 screw thread fit is provided with screw rod 5 and is installed on axle block body 2 by this screw rod 5; Screw rod 5 screw thread fit is arranged at end cap 4, then is threaded by this screw rod 5 and is installed on axle block body 2, adjusts axial installation site by the screw-in length of screw rod, and simple and compact for structure and install and adjust more for convenience.
Certainly, the present embodiment can also adopt having structure: described axle block cylindrical is provided with trapezoidal annular groove, and the convex cross-sectional plane upper side wall of described keystone ring is the arc of evagination; And the cross-sectional plane upper side wall of described trapezoidal annular groove is the arc of the indent of the convex sidewall conformal with keystone ring.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (9)
1. a self-align type chain stay, comprises head tube, left leg pipe, right leg pipe and axle block, it is characterized in that: right leg tube end arranges installation sleeve, and described installation sleeve is coated at axle block;
Described axle block cylindrical is provided with trapezoidal annular groove, and it is convex that described installation sleeve inner circle is provided with the keystone ring coordinated with trapezoidal annular groove conformal; Or it is convex that described axle block cylindrical is provided with keystone ring, described installation sleeve inner circle is provided with the trapezoidal annular groove coordinated with trapezoidal annular groove conformal.
2. self-align type chain stay according to claim 1, is characterized in that: the cross-sectional plane upper side wall of described trapezoidal annular groove is arc, and the convex cross-sectional plane upper side wall of described keystone ring is the arc adapted with the sidewall of trapezoidal annular groove.
3. self-align type chain stay according to claim 2, is characterized in that: the cross-sectional plane upper side wall of described trapezoidal annular groove is the arc of evagination, and the convex cross-sectional plane upper side wall of described keystone ring is the arc of the indent adapted with the sidewall of trapezoidal annular groove.
4. self-align type chain stay according to claim 1, it is characterized in that: described axle block cylindrical is provided with trapezoidal annular groove, and described axle block is unitized construction, comprise axle block body and jointly form the end cap of trapezoidal annular groove with axle block body, described end cap and axle block body be detachable to be connected and to form a sidewall of trapezoidal annular groove.
5. self-align type chain stay according to claim 4, is characterized in that: described end cap is installed on axle block body in the mode that axial location is adjustable.
6. self-align type chain stay according to claim 5, is characterized in that: described end cap forms the end cap inner sleeve being coated at axle block body.
7. self-align type chain stay according to claim 6, is characterized in that: described end cap screw thread fit is provided with screw rod and is installed on axle block body by this screw rod.
8. self-align type chain stay according to claim 1, is characterized in that: described axle block cylindrical is provided with trapezoidal annular groove, and the convex cross-sectional plane upper side wall of described keystone ring is the arc of evagination.
9. self-align type chain stay according to claim 2, is characterized in that: the cross-sectional plane upper side wall of described trapezoidal annular groove is the arc of the indent of the convex sidewall conformal with keystone ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520692847.0U CN205075973U (en) | 2015-09-08 | 2015-09-08 | Self -align type chain stay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520692847.0U CN205075973U (en) | 2015-09-08 | 2015-09-08 | Self -align type chain stay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205075973U true CN205075973U (en) | 2016-03-09 |
Family
ID=55428397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520692847.0U Withdrawn - After Issue CN205075973U (en) | 2015-09-08 | 2015-09-08 | Self -align type chain stay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205075973U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365986A (en) * | 2015-09-08 | 2016-03-02 | 梁稚子 | Self-adjusting bottom fork |
-
2015
- 2015-09-08 CN CN201520692847.0U patent/CN205075973U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365986A (en) * | 2015-09-08 | 2016-03-02 | 梁稚子 | Self-adjusting bottom fork |
| CN105365986B (en) * | 2015-09-08 | 2018-09-14 | 梁稚子 | Self-align type chain stay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160309 Effective date of abandoning: 20180914 |