CN102889284B - Automobile-used sheet metal part assembly structure - Google Patents
Automobile-used sheet metal part assembly structure Download PDFInfo
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- CN102889284B CN102889284B CN201210396003.2A CN201210396003A CN102889284B CN 102889284 B CN102889284 B CN 102889284B CN 201210396003 A CN201210396003 A CN 201210396003A CN 102889284 B CN102889284 B CN 102889284B
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- sheet metal
- metal part
- irregularly
- hole
- limitting pin
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Abstract
The invention discloses a kind of automobile-used sheet metal part assembly structure, comprise the first sheet metal part (5), second sheet metal part (6), be fastenedly connected assembly and positioning plate (7), describedly be fastenedly connected the connecting rod (1) of assembly by belt end (1a), return spring (2), position-limitting pin (3) and plain cushion (4) composition, the bottom of described connecting rod (1) and position-limitting pin (3) are through after the first irregularly-shaped hole (5c) on the first sheet metal part (5), counterclockwise rotate a certain angle, again through second irregularly-shaped hole (7c) of the 3rd circular hole (6a) on the second sheet metal part (6) and positioning plate (7), turn clockwise certain angle again, until the two ends of position-limitting pin (3) fall in two clamping slots (7f) respectively.The features such as this structure has low cost of manufacture, and mounting or dismounting do not need instrument and convenient and swift, firm and reliable connection, and secondary handling are completely unaffected.
Description
Technical field
The present invention relates to automobile-used sheet metal part, be specifically related to the assembly structure of automobile-used sheet metal part.
Background technique
Motorcycle and automobile there is a large amount of sheet metal parts, the mode that the connection of current this kind of part adopts bolt and nut component to connect usually, as shown in Figure 9, two pieces of sheet metal parts arrange bolt through-hole respectively, two sheet metal parts tighten together in conjunction with nut 9 through after two pieces of sheet metal parts by bolt 8.The subject matter existed is: after the dismounting of (1) bolt and nut, nut easily falls: (2) as shown in Figure 10, limit by mounting point, often needs nut 9 to be welded on wherein on one piece of sheet metal part, nut 9 is project-welding nut, adds assembly technology; (3) during bolton, often urgent by special tools such as pneumatic or electronic sleeves, because power tool torsion is large, often there is the urgent phenomenon by force such as exodontia, stroke silk in bolt, brings very large inconvenience to secondary maintenance; (4) for the choosing dress part that shelf, limit case etc. are often dismantled, user needs often dismounting, and user generally selects bayonet spanner, and bayonet spanner is easy to the seamed edge of wearing and tearing hexagon head, causes dismounting difficulty, until damage.
Summary of the invention
The present invention aims to provide a kind of quick and easy for installation, impregnable automobile-used sheet metal part assembly structure of firm and reliable connection, secondary handling, and does not need to be fastenedly connected components apart during dismounting, therefore can not cause the situation that part is lost.
For this reason, the automobile-used sheet metal part assembly structure of one provided by the invention, comprise the first sheet metal part (5) and the second sheet metal part (6), key is: also comprise and be fastenedly connected assembly and positioning plate (7), the described assembly that is fastenedly connected is made up of the connecting rod (1) of belt end (1a), return spring (2), position-limitting pin (3) and plain cushion (4), and described positioning plate (7) is welded on the side that described second sheet metal part (6) deviates from the first sheet metal part (5), the bar subordinate end of described connecting rod (1) is provided with pin via hole (1b), described position-limitting pin (3) to be inserted in pin via hole (1b) and to be fixed together with connecting rod (1), the axis of position-limitting pin (3) and the intersect vertical axis of connecting rod (1), the length of position-limitting pin (3) is greater than the bar portion diameter of connecting rod (1), the two ends of position-limitting pin (3) all reaches pin via hole (1b) outward, described return spring (2), plain cushion (4), first sheet metal part (5), second sheet metal part (6) and positioning plate (7) are sleeved between the termination (1a) of connecting rod (1) and position-limitting pin (3) successively, and return spring (2) is in compressive state,
Described first sheet metal part (5) is arranged the first strip hole (5a) just passed through for position-limitting pin (3), the first circular hole (5b) just passed through for connecting rod (1) bar portion, and the center of the first strip hole (5a) and the center superposition of the first circular hole (5b) form the first irregularly-shaped hole (5c), second sheet metal part (6) has the second circular hole (6a) just passed through for position-limitting pin (3), the second irregularly-shaped hole (7c) is had in positioning plate (7) upper punch, second irregularly-shaped hole (7c) is identical with the first irregularly-shaped hole (5c) shape, position is corresponding, and the angle of the bearing of trend of the bearing of trend of second strip hole (7a) of the second irregularly-shaped hole (7c) and first strip hole (5a) of the first irregularly-shaped hole (5c) is α, the side of the second sheet metal part (6) is deviated from positioning plate (7), edge along the long limit of the second irregularly-shaped hole (7c) two is provided with the first spacing preiection (7d) and the second spacing preiection (7e), the middle part of the first spacing preiection (7d) and the second spacing preiection (7e) is lower than two ends, form two clamping slots (7f) that bearing of trend is consistent, in the bearing of trend of two clamping slots (7f) and the second irregularly-shaped hole (7c), the angle of the bearing of trend of the second strip hole (7a) is β, the two ends of described position-limitting pin (3) fall in two clamping slots (7f) of positioning plate (7) respectively, and 30 °≤α, β≤90 °.
In installation and unloading process, position-limitting pin and connecting rod are fixed together, and are fastenedly connected assembly integrally.During installation, be fastenedly connected the bottom of connecting rod in assembly and position-limitting pin through after the first irregularly-shaped hole on the first sheet metal part, angle counterclockwise corresponding to rotation alpha, again through the second irregularly-shaped hole of the 3rd circular hole on the second sheet metal part and positioning plate, the angle turned clockwise again corresponding to β, until the two ends of position-limitting pin fall in two clamping slots respectively.Unloading process and installation process are just contrary.
Be preferably, formed by the bearing of trend of the bearing of trend of second strip hole (7a) of described second irregularly-shaped hole (7c) and first strip hole (5a) of the first irregularly-shaped hole (5c), angle α is 90 °, and in the bearing of trend of two clamping slots (7f) and the second irregularly-shaped hole (7c), the bearing of trend angle β of the second strip hole (7a) is 45 °.During installation, first through after the first sheet metal part, counterclockwise half-twist, then through the second sheet metal part and positioning plate, and turn clockwise 45 °, the two ends of position-limitting pin are fallen in two clamping slots respectively.
Two clamping slots (7f) are circular arc, and the radius of circular arc is equal with the radius of position-limitting pin (3), the peak of wherein one end of the first spacing preiection (7d) is lower than the central point of clamping slot (7f), the peak of the other end is higher than the central point of clamping slot (7f), second spacing preiection (7e) is then just contrary, by optimizing the structure of first, second spacing preiection, can avoid occurring sense of rotation mistake during assembling, make assembling more light.
Described return spring (2) is butterfly spring, and butterfly spring compares cylindrically coiled spring, and rigidity is large, buffering vibration absorption ability is strong, can bear large load, be suitable for the occasion that axial space requirement is little with small deformation.
Described position-limitting pin (3) and connecting rod (1) weld together, to ensure that position-limitting pin and connecting rod are connected firmly.
Beneficial effect:
(1) instead of the nut in former bolt and nut component by positioning plate, position-limitting pin instead of the screw-thread fit in former bolt and nut component, and positioning plate is shaping by sheet stamping, and technique is simple, low cost of manufacture;
The first irregularly-shaped hole on (2) first sheet metal parts becomes angle with the second irregularly-shaped hole on positioning plate, two clamping slots become angle with the second irregularly-shaped hole, first rotate counterclockwise when screwing and rotate clockwise again, ensure that and be fastenedly connected assembly under abnormal condition, the possibility come off is zero, effectively ensure that the reliability of connection and the Security of traveling;
(3) process being fastenedly connected assembly insertion is exactly the process of return spring distortion, when position-limitting pin rotates to clamping position, the two ends of the first spacing preiection and the second spacing preiection limit the motion of position-limitting pin, serve effective position-limiting action, the spring-back force in conjunction with return spring well ensure that the compact siro spinning technology of two sheet metal parts.
The features such as in sum, this structure has low cost of manufacture, and mounting or dismounting do not need instrument and convenient and swift, firm and reliable connection, and secondary handling are completely unaffected.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation being fastenedly connected assembly in the present invention.
Fig. 3 is the structural representation of the first sheet metal part in Fig. 1.
Fig. 4 is the structural representation of the second sheet metal part in Fig. 1.
Fig. 5 is the structural representation of positioning plate in Fig. 1.
Fig. 6 is the A-A sectional view of Fig. 5.
Fig. 7 is the stereogram of Fig. 5.
Fig. 8 is the gripping orientation figure of position-limitting pin on positioning plate.
Fig. 9 is the structural representation that the two pieces of sheet metal parts introduced in background technique adopt bolt and nut component to connect.
Figure 10 is that in Fig. 9, nut adopts during project-welding nut and illustrates with wherein welding of one piece of sheet metal part.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the present invention is described in further detail:
Automobile-used sheet metal part assembly structure as shown in Figure 1, by the 5, second sheet metal part 6, positioning plate 7 on the first sheet metal part be fastenedly connected assembly and form, is fastenedly connected assembly and is made up of connecting rod 1, return spring 2, position-limitting pin 3 and plain cushion 4.
As shown in Figure 2, connecting rod 1 is with termination 1a, and return spring 2 and plain cushion 4 are sleeved on connecting rod 1 successively, and the bar subordinate end of connecting rod 1 is provided with pin via hole 1b, and position-limitting pin 3 to be inserted in pin via hole 1b and to be fixed together with connecting rod 1.Return spring 2 and plain cushion 4 are between the termination 1a and pin via hole 1b of connecting rod 1.The axis of pin via hole 1b and the intersect vertical axis of connecting rod 1, so, the axis of position-limitting pin 3 also with the intersect vertical axis of connecting rod 1.The length of position-limitting pin 3 is greater than the bar portion diameter of connecting rod 1, and the two ends of position-limitting pin 3 all reaches outside pin via hole 1b.Return spring 2 is preferably butterfly spring, also can be cylindrically coiled spring.Position-limitting pin 3 and connecting rod 1 preferably weld together, and also can be riveted together.
Shown in composition graphs 3, first sheet metal part arranges on 5 the first strip hole 5a just passed through for position-limitting pin 3, the first circular hole 5b just passed through for connecting rod 1 bar portion, and the center of the first strip hole 5a and the center superposition of the first circular hole 5b form the first irregularly-shaped hole 5c.
Composition graphs 4 is known, and the second sheet metal part 6 has the 3rd circular hole 6a just passed through for position-limitting pin 3, and the first circular hole 5b and the 3rd circular hole 6a is coaxially arranged.
Composition graphs 1, Fig. 5---shown in 8, the side deviating from the first sheet metal part 5 at the second sheet metal part 6 is welded with positioning plate 7, positioning plate 7 upper punch has the second irregularly-shaped hole 7c, second irregularly-shaped hole 7c is identical with the first irregularly-shaped hole 5c shape, position is corresponding, second irregularly-shaped hole 7c is made up of the second strip hole 7a and the second circular hole 7b, the angle of the bearing of trend of the bearing of trend of the second strip hole 7a of the second irregularly-shaped hole 7c and the first strip hole 5a of the first irregularly-shaped hole 5c is α, 30 °≤α≤90 °.The side of the second sheet metal part 6 is deviated from positioning plate 7, edge along the second long limit of irregularly-shaped hole 7c two is provided with the first spacing preiection 7d and the second spacing preiection 7e, the middle part of the first spacing preiection 7d and the second spacing preiection 7e is lower than two ends, forms the two clamping slot 7f that bearing of trend is consistent.In the bearing of trend of two clamping slot 7f and the second irregularly-shaped hole 7c, the angle of the bearing of trend of the second strip hole 7a is β, 30 °≤β≤90 °.The size of clamping slot 7f should guarantee the termination of position-limitting pin 3 to snap in.
Composition graphs 1, the bottom of connecting rod 1 and position-limitting pin 3 are through after the first irregularly-shaped hole 5c on the first sheet metal part 5, counterclockwise rotate the angle corresponding to a α, again through the 3rd circular hole 6a on the second sheet metal part 6 and the second irregularly-shaped hole 7c on positioning plate 7, turn clockwise again one with the angle corresponding to β, until the two ends of position-limitting pin 3 fall in two clamping slot 7f respectively.Like this, return spring 2, plain cushion 4, first sheet metal part 5, second sheet metal part 6 and positioning plate 7 are sleeved on connecting rod 1 successively, and between the termination 1a and position-limitting pin 3 of connecting rod 1, and return spring 2 is in compressive state.
Composition graphs 3, Fig. 5 are known, preferably, formed by the bearing of trend of the bearing of trend of the second strip hole 7a of the second irregularly-shaped hole 7c and the first strip hole 5a of the first irregularly-shaped hole 5c, angle α is 90 °, in the bearing of trend of two clamping slot 7f and the second irregularly-shaped hole 7c the second strip hole 7a bearing of trend formed by angle β be 45 °.In Fig. 5, dotted line is depicted as the first strip hole 5a of position-limitting pin 3, first irregularly-shaped hole.
In addition, two clamping slot 7f are preferably circular arc, and the radius of circular arc is equal with the radius of position-limitting pin 3, the peak of wherein one end of the first spacing preiection 7d is lower than the central point of clamping slot 7f, the peak of the other end is higher than the central point of clamping slot 7f, and the second spacing preiection 7e is then just contrary.
During installation, after the first irregularly-shaped hole 5c be fastenedly connected on assembly alignment first sheet metal part 5 is inserted, counterclockwise half-twist, make to be fastenedly connected assembly successively through the 3rd circular hole 6a on the second sheet metal part 6 and the second irregularly-shaped hole 7c on positioning plate 7, turn clockwise 45 ° again, until the two ends of position-limitting pin 3 fall in clamping slot 7f respectively, namely complete assembling, now the spring-back force of return spring 2 ensure that the compact siro spinning technology of two sheet metal parts effectively.During dismounting, the termination 1a of pressing connecting rod 1, position-limitting pin 3 is deviate from clamping slot 7f, be rotated counterclockwise 45 ° again, after position-limitting pin 4 exits in the 3rd circular hole 6a of the second sheet metal part 6, turn clockwise 90 ° again, until after position-limitting pin 3 exits from the first irregularly-shaped hole 5c of the first sheet metal part 5, dismounting completes.
Claims (5)
1. an automobile-used sheet metal part assembly structure, comprise the first sheet metal part (5) and the second sheet metal part (6), it is characterized in that: also comprise and be fastenedly connected assembly and positioning plate (7), the described assembly that is fastenedly connected is made up of the connecting rod (1) of belt end (1a), return spring (2), position-limitting pin (3) and plain cushion (4), and described positioning plate (7) is welded on the side that described second sheet metal part (6) deviates from the first sheet metal part (5), the bar subordinate end of described connecting rod (1) is provided with pin via hole (1b), described position-limitting pin (3) to be inserted in pin via hole (1b) and to be fixed together with connecting rod (1), the axis of position-limitting pin (3) and the intersect vertical axis of connecting rod (1), the length of position-limitting pin (3) is greater than the bar portion diameter of connecting rod (1), the two ends of position-limitting pin (3) all reaches pin via hole (1b) outward, described return spring (2), plain cushion (4), first sheet metal part (5), second sheet metal part (6) and positioning plate (7) are sleeved between the termination (1a) of connecting rod (1) and position-limitting pin (3) successively, and return spring (2) is in compressive state,
Described first sheet metal part (5) is arranged the first strip hole (5a) just passed through for position-limitting pin (3), the first circular hole (5b) just passed through for connecting rod (1) bar portion, and the center of the first strip hole (5a) and the center superposition of the first circular hole (5b) form the first irregularly-shaped hole (5c), second sheet metal part (6) has the 3rd circular hole (6a) just passed through for position-limitting pin (3), the second irregularly-shaped hole (7c) is had in positioning plate (7) upper punch, second irregularly-shaped hole (7c) is identical with the first irregularly-shaped hole (5c) shape, position is corresponding, and the angle of the bearing of trend of the bearing of trend of second strip hole (7a) of the second irregularly-shaped hole (7c) and first strip hole (5a) of the first irregularly-shaped hole (5c) is α, the side of the second sheet metal part (6) is deviated from positioning plate (7), edge along the long limit of the second irregularly-shaped hole (7c) two is provided with the first spacing preiection (7d) and the second spacing preiection (7e), the middle part of the first spacing preiection (7d) and the second spacing preiection (7e) is lower than two ends, form two clamping slots (7f) that bearing of trend is consistent, in the bearing of trend of two clamping slots (7f) and the second irregularly-shaped hole (7c), the angle of the bearing of trend of the second strip hole (7a) is β, the two ends of described position-limitting pin (3) fall in two clamping slots (7f) of positioning plate (7) respectively, and 30 °≤α, β≤90 °.
2. according to automobile-used sheet metal part assembly structure according to claim 1, it is characterized in that: formed by the bearing of trend of the bearing of trend of second strip hole (7a) of described second irregularly-shaped hole (7c) and first strip hole (5a) of the first irregularly-shaped hole (5c), angle α is 90 °, in the bearing of trend of two clamping slots (7f) and the second irregularly-shaped hole (7c) the second strip hole (7a) bearing of trend formed by angle β be 45 °.
3. according to automobile-used sheet metal part assembly structure according to claim 2, it is characterized in that: two clamping slots (7f) are circular arc, and the radius of circular arc is equal with the radius of position-limitting pin (3), the peak of wherein one end of the first spacing preiection (7d) is lower than the central point of clamping slot (7f), the peak of the other end is higher than the central point of clamping slot (7f), and the second spacing preiection (7e) is then just contrary.
4. according to the automobile-used sheet metal part assembly structure according to any one of claim 1--3, it is characterized in that: described return spring (2) is butterfly spring.
5. according to the automobile-used sheet metal part assembly structure according to any one of claim 1--3, it is characterized in that: described position-limitting pin (3) and connecting rod (1) weld together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210396003.2A CN102889284B (en) | 2012-10-17 | 2012-10-17 | Automobile-used sheet metal part assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210396003.2A CN102889284B (en) | 2012-10-17 | 2012-10-17 | Automobile-used sheet metal part assembly structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102889284A CN102889284A (en) | 2013-01-23 |
| CN102889284B true CN102889284B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210396003.2A Expired - Fee Related CN102889284B (en) | 2012-10-17 | 2012-10-17 | Automobile-used sheet metal part assembly structure |
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| CN (1) | CN102889284B (en) |
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| CN108857992B (en) * | 2018-06-30 | 2019-10-29 | 蒙城信和汽车有限公司 | A kind of automobile-used sheet metal component assembling structure |
| CN109605258B (en) * | 2019-01-16 | 2023-05-05 | 沈阳飞机工业（集团）有限公司 | Floating type screwing-in clamping and positioning device and application method thereof |
| CN109911171B (en) * | 2019-04-30 | 2023-11-14 | 杜双昱 | Synchronous rotating structure of horn and have industry unmanned aerial vehicle of this structure |
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|---|---|---|---|---|
| US3407454A (en) * | 1966-04-23 | 1968-10-29 | Keith E. Myatt | Quick release fasteners |
| GB2190423A (en) * | 1986-05-13 | 1987-11-18 | British Aerospace | Fastener |
| US5795122A (en) * | 1994-09-21 | 1998-08-18 | Bowers; Ned C. | Adjustable quick connect fastener for accommodating panels of various thicknesses |
| CN202851561U (en) * | 2012-10-17 | 2013-04-03 | 力帆实业(集团)股份有限公司 | Assembly structure of automotive sheet metal parts |
-
2012
- 2012-10-17 CN CN201210396003.2A patent/CN102889284B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3407454A (en) * | 1966-04-23 | 1968-10-29 | Keith E. Myatt | Quick release fasteners |
| GB2190423A (en) * | 1986-05-13 | 1987-11-18 | British Aerospace | Fastener |
| US5795122A (en) * | 1994-09-21 | 1998-08-18 | Bowers; Ned C. | Adjustable quick connect fastener for accommodating panels of various thicknesses |
| CN202851561U (en) * | 2012-10-17 | 2013-04-03 | 力帆实业(集团)股份有限公司 | Assembly structure of automotive sheet metal parts |
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| CN102889284A (en) | 2013-01-23 |
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Granted publication date: 20150812 Termination date: 20191017 |