CN202851562U - Fastening connecting assembly of automotive sheet metal part - Google Patents
Fastening connecting assembly of automotive sheet metal part Download PDFInfo
- Publication number
- CN202851562U CN202851562U CN 201220530620 CN201220530620U CN202851562U CN 202851562 U CN202851562 U CN 202851562U CN 201220530620 CN201220530620 CN 201220530620 CN 201220530620 U CN201220530620 U CN 201220530620U CN 202851562 U CN202851562 U CN 202851562U
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- CN
- China
- Prior art keywords
- connecting rod
- sheet metal
- metal part
- pin bolt
- limitting pin
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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.)
- Expired - Fee Related
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Abstract
The utility model discloses a fastening connecting assembly of an automotive sheet metal part. The fastening connecting assembly of the automotive sheet metal part comprises a connecting rod (1) with end heads (1 a), return springs (2), a limiting pin bolt (3) and a flat pad (4). Pin bolt through holes (1 b) are formed at the lower end of the rod portion of the connecting rod (1). The limiting pin bolt (3) is inserted into the pin bolt through holes (1 b) and is fixedly connected with the connecting rod (1) into a whole. An axis of the limiting pin bolt (3) is perpendicular to an axis of the connecting rod (1) in an intersecting mode. The limiting pin bolt (3) is longer than a rod portion diameter of the connecting rod (1). Two end heads of the limiting pin bolt (3) extend out of the pin bolt through holes (1 b). The return springs (2) and the flat pad (4) are arranged between the end heads (1 a) of the connecting rod (1) and the limiting pin bolt (3) in a sleeved mode in sequence. The fastening connecting assembly of the automotive sheet metal part has the advantages of being low in manufacture cost, convenient and fast to install and dismantle without tools, and firm and reliable in connection and the like. Secondary assembling and dismantling of the fastening connecting assembly is not affected completely.
Description
Technical field
The utility model belongs to the fastening structure technical field, is specifically related to a kind of assembly that is fastenedly connected of automobile-used sheet metal part.
Background technique
A large amount of sheet metal parts is arranged on motorcycle and the automobile, the mode that bolt and nut component connects is adopted in the at present connection of this class part usually, as shown in Figure 9, on two sheet metal parts bolt through-hole is set respectively, bolt 8 tightens together two sheet metal parts in conjunction with nut 9 after passing two sheet metal parts.Main Problems is: after (1) bolt and nut dismounting, nut easily falls: (2) are limited by the mounting point as shown in figure 10, often nut 9 need to be welded on wherein on the sheet metal part, and nut 9 is project-welding nut, has increased assembly technology; (3) during bolton, often by pneumatic or electronic urgent with special tools such as sleeves, because power tool torsion is large, exodontia often appears in bolt, draw the by force urgent phenomenon such as silk, and maintenance brings very large inconvenience to secondary; (4) for the choosing dress part of the normal dismounting such as shelf, limit case, the user needs often dismounting, and the user generally selects bayonet spanner, and bayonet spanner be easy to the to wear and tear seamed edge of hexagon head causes the dismounting difficulty, until damage.
The model utility content
The utility model aims to provide the assembly that is fastenedly connected that a kind of quick and easy for installation, firm and reliable connection, secondary are loaded and unloaded impregnable automobile-used sheet metal part, and does not need with components apart the situation that therefore can not cause part to lose during dismounting.
For this reason, a kind of automobile-used sheet metal part that the utility model provides be fastenedly connected assembly, connecting rod (1) by belt end (1a), return spring (2), position-limitting pin (3) and plain cushion (4) form, bar subordinate end at connecting rod (1) is provided with pin via hole (1b), described position-limitting pin (3) is inserted in the pin via hole (1b) and with connecting rod (1) and is fixed together, the intersect vertical axis of the axis of position-limitting pin (3) and connecting rod (1), the length of position-limitting pin (3) is greater than the bar section diameter of connecting rod (1), the two ends of position-limitting pin (3) all reaches outside the pin via hole (1b), and described return spring (2) and plain cushion (4) are sleeved between the termination (1a) and position-limitting pin (3) of connecting rod (1) successively.
Before the installation, need to the strip hole that just passes through for position-limitting pin be set at the first sheet metal part, the first circular hole that supplies connecting rod bar section just to pass through, the center superposition of the center of strip hole and the first circular hole consists of the first irregularly-shaped hole, have the second circular hole that just passes through for position-limitting pin at the second sheet metal part, a side that deviates from the first sheet metal part at the second sheet metal part is welded with positioning plate, it is identical with the first irregularly-shaped hole shape that the positioning plate upper punch has, the second irregularly-shaped hole that the position is corresponding, the bearing of trend of the strip hole of the second irregularly-shaped hole becomes 30 °～90 ° angle with the bearing of trend of the strip hole of the first irregularly-shaped hole, edge along the second irregularly-shaped hole two long limits is provided with the first spacing preiection and the second spacing preiection that deviates from the second sheet metal part, the middle part of the first spacing preiection and the second spacing preiection is lower than two ends, consist of two consistent clamping slots of bearing of trend, the bearing of trend of two clamping slots becomes 30 °～90 ° angle with the bearing of trend of strip hole in the second irregularly-shaped hole.During installation, after the first irregularly-shaped hole insertion that is fastenedly connected on assembly alignment the first sheet metal part, counterclockwise rotate 30 °～90 °, make and be fastenedly connected assembly and pass successively the second circular hole on the second sheet metal part and the second irregularly-shaped hole of positioning plate, turn clockwise again 30 °～90 °, until the two ends of position-limitting pin fall into respectively in the clamping slot, namely finish assembling, the spring-back force of return spring has guaranteed the tight connection of two sheet metal parts effectively at this moment.During dismounting, press the termination of connecting rod, position-limitting pin is deviate from clamping slot, be rotated counterclockwise again 30 °～90 °, after position-limitting pin withdraws from the second circular hole of the second sheet metal part, turn clockwise again 30 °～90 °, until after position-limitting pin withdrawed from, dismounting was finished from the first irregularly-shaped hole of the first sheet metal part.
Described return spring (2) is butterfly spring, and butterfly spring is compared cylindrically coiled spring, and rigidity is large, the buffering vibration absorption ability is strong, can bear large load with small deformation, is suitable for the little occasion of axial space requirement.
Described position-limitting pin (3) welds together with connecting rod (1), is connected firmly to guarantee position-limitting pin and connecting rod.
Beneficial effect:
(1) substituted nut in the former bolt and nut component by positioning plate, positioning dowel has substituted the screw-thread fit in the former bolt and nut component, and positioning plate is by the sheet stamping moulding, and technique is simple, low cost of manufacture;
The first irregularly-shaped hole on (2) first sheet metal parts becomes 30 °～90 ° angle with the second irregularly-shaped hole on the positioning plate, the bearing of trend of two clamping slots becomes 30 °～90 ° angle with the bearing of trend of strip hole in the second irregularly-shaped hole, rotate counterclockwise again first when screwing and clockwise rotate, guaranteed to be fastenedly connected assembly under abnormal condition, the possibility that comes off is zero, has effectively guaranteed the reliability that connects and the Security of travelling;
(3) being fastenedly connected the process that assembly inserts is exactly the process of return spring distortion, when position-limitting pin is rotated clockwise to the chucking position, the motion of position-limitting pin has been limited at the two ends of the first spacing preiection and the second spacing preiection, play effective position-limiting action, well guaranteed the tight connection of two sheet metal parts in conjunction with the spring-back force of return spring.
In sum, this assembly has low cost of manufacture, and mounting or dismounting do not need instrument and convenient and swift, firm and reliable connection, and secondary loads and unloads the characteristics such as fully unaffected.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic representation of the utility model when being used for fastening two sheet metal part.
Fig. 3 is the structural representation of the first sheet metal part among Fig. 2.
Fig. 4 is the structural representation of the second sheet metal part among Fig. 2.
Fig. 5 is the structural representation of positioning plate among Fig. 2.
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 two structural representations that sheet metal parts employing bolt and nut component connects introducing in the background technique.
Figure 10 is when nut adopts project-welding nut among Fig. 9 and the wherein welding signal of a sheet metal part.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the utility model is described in further detail:
Automobile-used sheet metal part as shown in Figure 1 be fastenedly connected assembly, formed by connecting rod 1, return spring 2, position-limitting pin 3 and plain cushion 4.Connecting rod 1 is with termination 1a, is provided with pin via hole 1b at the bar subordinate end of connecting rod 1, and position-limitting pin 3 is inserted among the pin via hole 1b and with connecting rod 1 and is fixed together.Return spring 2 and plain cushion 4 are between the termination of connecting rod 1 1a and pin via hole 1b.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 section diameter of connecting rod 1, and the two ends of position-limitting pin 3 all reaches outside the pin via hole 1b, and return spring 2 and plain cushion 4 are sleeved between the termination 1a and position-limitting pin 3 of connecting rod 1 successively.
Return spring 2 is preferably butterfly spring, can be cylindrically coiled spring also, when selecting butterfly spring, can be 1～3 group of butterfly spring.
Position-limitting pin 3 preferably welds together with connecting rod 1, also can be to be riveted together.
As shown in Figure 2, the assembly that is fastenedly connected of automobile-used sheet metal part is used for being fastenedly connected of two sheet metal parts.In conjunction with shown in Figure 3, need to be on the first sheet metal part 5 the strip hole 5a that just passes through for position-limitting pin 3 be set, for the first circular hole 5b that connecting rod 1 bar section just passes through, the center superposition of the center of strip hole 5a and the first circular hole 5b consists of the first irregularly-shaped hole 5c.
In conjunction with Fig. 4 as can be known, have the second circular hole 6a that just passes through for position-limitting pin 3, the first circular hole 5b and the coaxial setting of the second circular hole 6a at the second sheet metal part 6.
In conjunction with Fig. 2, Fig. 5---shown in 8, a side that deviates from the first sheet metal part 5 at the second sheet metal part 6 is welded with positioning plate 7, positioning plate 7 upper punches have the second irregularly-shaped hole 7c, the second irregularly-shaped hole 7c is identical with the first irregularly-shaped hole 5c shape, the position is corresponding, the second irregularly-shaped hole 7c is made of strip hole 7a and circular hole 7b, and the bearing of trend of the strip hole 7a of the second irregularly-shaped hole 7c becomes 90 ° angle with the bearing of trend of the strip hole 5a of the first irregularly-shaped hole 5c.Deviate from a side of the second sheet metal part 6 at positioning plate 7, the edge of growing limits along the second irregularly-shaped hole 7c two is provided with the first spacing preiection 7d and the second spacing preiection 7e, and the middle part of the first spacing preiection 7d and the second spacing preiection 7e is lower than two ends, consists of two clamping slot 7f.The clamping slot 7f that is positioned at the first spacing preiection 7d is consistent with the bearing of trend of clamping slot 7f on being positioned at the second spacing preiection 7e, the bearing of trend of strip hole 7a angle at 45 ° among the bearing of trend of two clamping slot 7f and the second irregularly-shaped hole 7c.The size of clamping slot 7f should guarantee the termination of position-limitting pin 3 is snapped in.
During installation, after the first irregularly-shaped hole 5c insertion that is fastenedly connected on assembly alignment the first sheet metal part 5, the counter clockwise direction half-twist, make and be fastenedly connected assembly and pass successively the second circular hole 6a on the second sheet metal part 6 and the second irregularly-shaped hole 7c on the positioning plate 7, turn clockwise again 45 °, until the two ends of position-limitting pin 3 fall into respectively in the clamping slot 7f, namely finish assembling, this moment, return spring 2 was in compressive state, and the spring-back force of return spring 2 has guaranteed the tight connection of two sheet metal parts effectively.During dismounting, press the termination 1a of connecting rod 1, position-limitting pin 3 is deviate from clamping slot 7f, be rotated counterclockwise again 45 °, after position-limitting pin 4 withdraws from the second circular hole 6a of the second sheet metal part 6, turn clockwise again 90 °, until after position-limitting pin 3 withdrawed from, dismounting was finished from the first irregularly-shaped hole 5c of the first sheet metal part 5.
The bearing of trend of the strip hole 7a of the second irregularly-shaped hole 7c is not limited to 90 ° with the angle that the bearing of trend of the strip hole 5a of the first irregularly-shaped hole 5c becomes, and can be the unspecified angle in 30 °～90 ° scopes; The bearing of trend of two clamping slot 7f is not limited to 45 ° with the angle that the bearing of trend of strip hole 7a among the second irregularly-shaped hole 7c becomes, and can be the unspecified angle in 30 °～90 ° scopes.
Claims (3)
1. an automobile-used sheet metal part is fastenedly connected assembly, it is characterized in that: by the connecting rod (1) of belt end (1a), return spring (2), position-limitting pin (3) and plain cushion (4) form, bar subordinate end at connecting rod (1) is provided with pin via hole (1b), described position-limitting pin (3) is inserted in the pin via hole (1b) and with connecting rod (1) and is fixed together, the intersect vertical axis of the axis of position-limitting pin (3) and connecting rod (1), the length of position-limitting pin (3) is greater than the bar section diameter of connecting rod (1), the two ends of position-limitting pin (3) all reaches outside the pin via hole (1b), and described return spring (2) and plain cushion (4) are sleeved between the termination (1a) and position-limitting pin (3) of connecting rod (1) successively.
2. according to the assembly that is fastenedly connected of automobile-used sheet metal part claimed in claim 1, it is characterized in that: described return spring (2) is butterfly spring.
3. according to the assembly that is fastenedly connected of claim 1 or 2 described automobile-used sheet metal parts, it is characterized in that: described position-limitting pin (3) welds together with connecting rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220530620 CN202851562U (en) | 2012-10-17 | 2012-10-17 | Fastening connecting assembly of automotive sheet metal part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220530620 CN202851562U (en) | 2012-10-17 | 2012-10-17 | Fastening connecting assembly of automotive sheet metal part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202851562U true CN202851562U (en) | 2013-04-03 |
Family
ID=47982768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220530620 Expired - Fee Related CN202851562U (en) | 2012-10-17 | 2012-10-17 | Fastening connecting assembly of automotive sheet metal part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202851562U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613067A (en) * | 2014-12-11 | 2015-05-13 | 王政 | Spring lock catch and lock catch device comprising same |
| CN109348725A (en) * | 2015-08-03 | 2019-02-15 | 富世华股份有限公司 | Submersible pump with releasable mount |
-
2012
- 2012-10-17 CN CN 201220530620 patent/CN202851562U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613067A (en) * | 2014-12-11 | 2015-05-13 | 王政 | Spring lock catch and lock catch device comprising same |
| CN104613067B (en) * | 2014-12-11 | 2017-11-07 | 曾志阳 | A kind of Spring lock catch and the locker comprising the Spring lock catch |
| CN109348725A (en) * | 2015-08-03 | 2019-02-15 | 富世华股份有限公司 | Submersible pump with releasable mount |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20151017 |
|
| EXPY | Termination of patent right or utility model |