CN202847809U - Locating pin installation and position fixing structure of vehicle front subframe - Google Patents
Locating pin installation and position fixing structure of vehicle front subframe Download PDFInfo
- Publication number
- CN202847809U CN202847809U CN 201220569851 CN201220569851U CN202847809U CN 202847809 U CN202847809 U CN 202847809U CN 201220569851 CN201220569851 CN 201220569851 CN 201220569851 U CN201220569851 U CN 201220569851U CN 202847809 U CN202847809 U CN 202847809U
- Authority
- CN
- China
- Prior art keywords
- mounting hole
- front subframe
- locating dowel
- dowel pin
- locating pin
- 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 provides a locating pin installation and position fixing structure of a vehicle front subframe. The locating pin installation and position fixing structure of the vehicle front subframe comprises a locating pin, an upper plate of a front subframe and a lower plate of a front subframe. The main body of the locating pin is a cylindrical pin. A first position fixing step surface is arranged at the bottom of the locating pin, wherein the first position fixing step surface is in a ring shape. A second position fixing step surface is arranged in the middle of the locating pin, wherein the second position fixing step surface is in a ring shape. The upper plate of the front subframe is provided with an upper mounting hole which is matched with the second positon fixing step surface of the locating pin. The lower plate of the front subframe is provided with a lower mounting hole which is matched with first position fixing step surface of the locating pin. The locating pin penetrates the lower mounting hole of the lower plate of the front subframe and the upper mounting hole of the upper plate of the front subframe. The second position fixing step surface is matched with the upper mounting hole and is fixedly connected with the upper mounting hole in a welding mode. The first position fixing step surface is matched with the lower mounting hole and is fixedly connected with the lower mounting hole in a welding mode. The locating pin installation and position fixing structure of the vehicle front subframe is mainly used for guaranteeing perpendicularity of the locating pin, lowering requirements for accuracy of manufacture of flatness of the upper plate and the lower plate of the front subframe, so that the accuracy of manufacture of components is reduced and processing property of parts is enhanced.
Description
Technical field
The utility model relates to the fore sub frame assembling of car chassis system, is specifically related to the installation and positioning structure of automobile front subframe.
Background technology
At present, structure of front auxiliary frame generally adopts on the economy car.In order to improve efficiency of assembling, fore sub frame and vehicle body installation are usually adopted independent locating dowel pin that part is installed and are positioned, and mounting hole is designed to via hole.Locating dowel pin is to cooperate with subframe by a positioning table terrace in the locate mode of fore sub frame, and subframe upper plate and lower plate are fitted, and the planeness by the fore sub frame upper and lower plates and the squareness of mating holes guarantee the squareness of locating dowel pin.This structure is had relatively high expectations to the sheet metal component accuracy of manufacture, is unfavorable for the control of process costs, and when locating dowel pin length increased, squareness was difficult to guarantee.
The utility model content
The utility model purpose is for automobile front subframe class part locating pin structure, a kind of mount fixing structure of locating dowel pin on fore sub frame that use is provided, guarantee the squareness of part locating dowel pin, reduce simultaneously the accuracy of manufacture requirement of sheet metal component on the fore sub frame, reduce manufacture difficulty and the cost of frock.
The technical solution of the utility model is as follows:
A kind of locating dowel pin installation and positioning structure of automobile front subframe, comprise locating dowel pin, front subframe upper plate and fore sub frame lower plate, the main body of locating dowel pin is a cylindrical pin, the first positioning table terrace of one annular is arranged at the locating dowel pin bottom, the middle part of locating dowel pin is provided with the second positioning table terrace of an annular, the upper mounting hole that described front subframe upper plate setting cooperates with the second positioning table terrace of locating dowel pin, the lower mounting hole that the setting of described fore sub frame lower plate cooperates with the first positioning table terrace of locating dowel pin, locating dowel pin passes the lower mounting hole of fore sub frame lower plate and the upper mounting hole of front subframe upper plate, the second positioning table terrace cooperates with upper mounting hole and is welded and fixed, and the first positioning table terrace cooperates with lower mounting hole and is welded and fixed.
Further, the lower mounting hole of the upper mounting hole of described front subframe upper plate and fore sub frame lower plate is via hole.
Further, the distance of the first positioning table terrace of described locating dowel pin and the second positioning table terrace is greater than the twice of the locating dowel pin diameter between two steps.
Adopt the utility model, because the fore sub frame upper and lower plates during respectively with two step surfaces welding of locating dowel pin, guarantees by the position of anchor clamps to upper and lower mounting hole in use.Distance between the position degree by upper plate, lower plate hole and upper plate, lower plate guarantees the squareness of locating dowel pin, has reduced the part accuracy of manufacture of upper plate, lower plate, and more failure-free guarantees position degree and the squareness of locating dowel pin.
The locating dowel pin installation and positioning structure of automobile front subframe of the present utility model can guarantee the squareness of locating dowel pin, and front subframe upper plate, lower plate planeness accuracy of manufacture are required to reduce, so that the part accuracy of manufacture reduces, improves the shop characteristic of part.
Description of drawings
Fig. 1 is that the locating dowel pin of the utility model automobile front subframe is installed the structural representation of location.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further:
Referring to shown in Figure 1, a kind of locating dowel pin installation and positioning structure of automobile front subframe comprises front subframe upper plate 1a, fore sub frame lower plate 1b, locating dowel pin 2.The first positioning table terrace of one annular is arranged at locating dowel pin 2 bottoms, and the middle part of locating dowel pin arranges the second positioning table terrace of an annular.Front subframe upper plate 1a is provided with the upper mounting hole that cooperates with locating dowel pin the second positioning table terrace, fore sub frame lower plate 1b is provided with the lower mounting hole that cooperates with the first positioning table terrace of locating dowel pin, locating dowel pin passes the lower mounting hole of fore sub frame lower plate 1b and the upper mounting hole of front subframe upper plate 1a, the second positioning table terrace cooperates with upper mounting hole and is welded and fixed, and the first positioning table terrace cooperates with lower mounting hole and is welded and fixed.Locating dowel pin 2 guarantees the squareness of locating dowel pin by separately the position degree of mounting hole on front subframe upper plate 1a and the fore sub frame lower plate 1b.
The locating dowel pin installation and positioning structure principal security of automobile front subframe of the present utility model the squareness of locating dowel pin, front subframe upper plate, lower plate planeness accuracy of manufacture are required to reduce, so that the part accuracy of manufacture reduces.Improve the shop characteristic of part.Reduce the manufacturing cost of part.
Claims (3)
1. the locating dowel pin installation and positioning structure of an automobile front subframe, comprise locating dowel pin, front subframe upper plate and fore sub frame lower plate, the first positioning table terrace is arranged at the locating dowel pin bottom, it is characterized in that: the middle part of described locating dowel pin arranges the second positioning table terrace, described front subframe upper plate is provided with the upper mounting hole that cooperates with locating dowel pin the second positioning table terrace, described fore sub frame lower plate is provided with the lower mounting hole that cooperates with the first positioning table terrace of locating dowel pin, locating dowel pin passes the lower mounting hole of fore sub frame lower plate and the upper mounting hole of front subframe upper plate, the second positioning table terrace cooperates with upper mounting hole and is welded and fixed, and the first positioning table terrace cooperates with lower mounting hole and is welded and fixed.
2. the locating dowel pin installation and positioning structure of automobile front subframe according to claim 1, it is characterized in that: the upper mounting hole of described front subframe upper plate and the lower mounting hole of fore sub frame lower plate all are set to via hole.
3. according to the locating dowel pin installation and positioning structure of right 1 or 2 described automobile front subframes, it is characterized in that: the first positioning table terrace of described locating dowel pin and the distance of the second positioning table terrace are greater than the twice of the locating dowel pin diameter between two steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220569851 CN202847809U (en) | 2012-11-01 | 2012-11-01 | Locating pin installation and position fixing structure of vehicle front subframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220569851 CN202847809U (en) | 2012-11-01 | 2012-11-01 | Locating pin installation and position fixing structure of vehicle front subframe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202847809U true CN202847809U (en) | 2013-04-03 |
Family
ID=47979033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220569851 Expired - Lifetime CN202847809U (en) | 2012-11-01 | 2012-11-01 | Locating pin installation and position fixing structure of vehicle front subframe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202847809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107839753A (en) * | 2017-10-31 | 2018-03-27 | 芜湖普威技研有限公司 | The fixed structure of installation direction machine on automobile accessory frame |
-
2012
- 2012-11-01 CN CN 201220569851 patent/CN202847809U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107839753A (en) * | 2017-10-31 | 2018-03-27 | 芜湖普威技研有限公司 | The fixed structure of installation direction machine on automobile accessory frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |