CN204175731U - A kind of linkage structure of superimposed thin sheet metal part - Google Patents
A kind of linkage structure of superimposed thin sheet metal part Download PDFInfo
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- CN204175731U CN204175731U CN201420635396.2U CN201420635396U CN204175731U CN 204175731 U CN204175731 U CN 204175731U CN 201420635396 U CN201420635396 U CN 201420635396U CN 204175731 U CN204175731 U CN 204175731U
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- sheet metal
- metal part
- flanging bore
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Abstract
The utility model relates to a kind of linkage structure of superimposed thin sheet metal part, comprise screw, the inner side sheet metal part near described screw afterbody and the outside sheet metal part near described screw head, described inner side sheet metal part offers the first flanging bore with described screw adaptation, and offer relative with described first flanging bore on the sheet metal part of described outside, and with the second flanging bore of described screw adaptation.Compared to current linkage structure, in the linkage structure of superimposed thin sheet metal part disclosed in the utility model, the reach that screw and sheet metal part are connected significantly increases, thus screw holds problem easy to slip teeth when effectively prevent assembling, the increase of reach that simultaneously screw is connected with sheet metal part also effectively improves the reliability be connected between screw with sheet metal part.
Description
Technical field
The utility model relates to thin sheet metal part interconnection technique field, particularly a kind of linkage structure of superimposed thin sheet metal part.
Background technique
In the process of various production; often can use thin sheet metal part; under normal circumstances; the thin sheet metal part be superimposed with each other can adopt screw to connect, and as shown in fig. 1, given in Fig. 1 is the linkage structure of the two-layer thin sheet metal part be superimposed with each other; in this kind of traditional linkage structure; what the outside sheet metal part near screw head adopted is through-hole structure, in order to ensure that outside sheet metal part is connected reliably with between the sheet metal part of inner side, the flanging bore structure that the inner side sheet metal part near screw afterbody adopts.
Due to the finite thickness of sheet metal part itself, the length of the screw thread be connected between screw and sheet metal part is shorter, total length is only the inner side flange length of metal plate flanging hole and the thickness sum of outside sheet metal part, this just makes in the process of assembling, easily cause the sliding tooth of screw, thus causes occurring connecting the phenomenon loosened between the sheet metal part that is superimposed with each other.
Therefore, how can solve the sliding tooth problem of screw in the thin sheet metal part be superimposed with each other, and effectively can to improve the reliability be connected between screw with sheet metal part be the technical problem that current those skilled in the art need solution badly.
Model utility content
The purpose of this utility model is to provide a kind of linkage structure of superimposed thin sheet metal part, can solve the sliding tooth problem of screw in the thin sheet metal part be superimposed with each other, and can effectively improve the reliability be connected between screw with sheet metal part.
For solving the problems of the technologies described above, the linkage structure of the superimposed thin sheet metal part that the utility model provides, comprise screw, the inner side sheet metal part near described screw afterbody and the outside sheet metal part near described screw head, described inner side sheet metal part offers the first flanging bore with described screw adaptation, and offer relative with described first flanging bore on the sheet metal part of described outside, and with the second flanging bore of described screw adaptation.
Preferably, the flange of described first flanging bore turns down towards inner side, and being folded to of the flange of described first flanging bore and described second flanging bore is contrary.
Preferably, the flange of described first flanging bore turns down towards inner side, position corresponding with described first flanging bore on the sheet metal part of described outside is provided with the outside heavy stand of bottom away from described inner side sheet metal part, described second flanging bore is arranged on the bottom of described outside heavy stand, being folded to of its flange is identical with being folded to of the flange of described first flanging bore, and the deep equality of the flange length of described second flanging bore and described outside heavy stand.
Preferably, the flange of described first flanging bore turns down toward the outer side, position corresponding with described first flanging bore on the sheet metal part of described outside is provided with the outside heavy stand of bottom away from described inner side sheet metal part, described second flanging bore is arranged on the bottom of described outside heavy stand, being folded to of its flange is contrary with being folded to of described first flanging bore, and the deep equality of the length sum of the flange of described first flanging bore and described second flanging bore and described outside heavy stand.
Preferably, the flange of described first flanging bore turns down toward the outer side, position corresponding with described first flanging bore on the sheet metal part of described outside is provided with the outside heavy stand of bottom away from described inner side sheet metal part, the degree of depth of described outside heavy stand is equal with the flange length of described first flanging bore, described second flanging bore is arranged on the bottom of described outside heavy stand, and being folded to of its flange is identical with being folded to of described first flanging bore.
Preferably, also comprise the middle sheet metal part be arranged between described inner side sheet metal part and described outside sheet metal part, and described middle sheet metal part is provided with the intermediate throughholes corresponding with described first flanging bore and described second flanging bore.
In the linkage structure of superimposed thin sheet metal part disclosed in the utility model as can be seen from the above technical solutions, comprise screw, the inner side sheet metal part near screw afterbody and the outside sheet metal part near screw head, wherein inner side sheet metal part offers the first flanging bore with screw adaptation, outside sheet metal part offers relative with the first flanging bore, and with the second flanging bore of screw adaptation.
Owing to having offered second flanging bore relative with the first flanging bore on the sheet metal part of outside, thus when carrying out superimposed sheet metal part and connecting, screw and the length that is connected between inner side sheet metal part and outside sheet metal part are the flange total length of the first flanging bore and the second flanging bore, compared to current linkage structure, in the linkage structure of superimposed thin sheet metal part disclosed in the utility model, the reach that screw and sheet metal part are connected significantly increases, thus screw holds problem easy to slip teeth when effectively prevent assembling, the increase of reach that simultaneously screw is connected with sheet metal part also effectively improves the reliability be connected between screw with sheet metal part.
Accompanying drawing explanation
Fig. 1 is the linkage structure schematic diagram of superimposed thin sheet metal part in prior art;
The linkage structure schematic diagram of superimposed thin sheet metal part of Fig. 2 for providing in the utility model embodiment;
Fig. 3 is the structural representation of outside sheet metal part in the linkage structure of superimposed thin sheet metal part in the utility model embodiment.
Wherein, 1 is inner side sheet metal part, and 2 is outside sheet metal part, and 3 is screw, and 11 is the first flanging bore, and 21 is the second flanging bore, and 22 is outside heavy stand.
Embodiment
Core of the present utility model is to provide a kind of linkage structure of superimposed thin sheet metal part, can solve the sliding tooth problem of screw in the thin sheet metal part be superimposed with each other, and can effectively improve the reliability be connected between screw with sheet metal part.
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 2 and Fig. 3, the linkage structure schematic diagram of superimposed thin sheet metal part of Fig. 2 for providing in the utility model embodiment, Fig. 3 is the structural representation of outside sheet metal part in the linkage structure of superimposed thin sheet metal part in the utility model embodiment.
In the linkage structure of the superimposed thin sheet metal part provided in the utility model embodiment, comprise screw 3, inner side sheet metal part 1 and outside sheet metal part 2, wherein inner side sheet metal part 1 is generally positioned at the internal layer of product, after having connected, inner side sheet metal part 1 is near the afterbody of screw 3, outside sheet metal part 2 is generally positioned at the skin of product, after connection completes, outside sheet metal part 2 is near the head of screw 3, in the utility model embodiment, the head of so-called screw 3 specifically refers to screw 3 one end with end cap, accordingly, screw 3 is not the afterbody of screw 3 with one end of end cap, in this linkage structure, inner side sheet metal part 1 offers the first flanging bore 11 with screw 3 adaptation, and offer relative with the first flanging bore 11 on outside sheet metal part 2, and with the second flanging bore 21 of screw 3 adaptation, inner side sheet metal part 1 and outside sheet metal part 2 are connected through the first flanging bore 11 and the second flanging bore 21 by screw 3.
As can be seen here, in the linkage structure of superimposed thin sheet metal part disclosed in the utility model embodiment, outside sheet metal part 2 has been offered second flanging bore 21 relative with the first flanging bore 11, thus when carrying out superimposed sheet metal part and connecting, screw 3 and the length that is connected between inner side sheet metal part 1 and outside sheet metal part 2 are the flange total length of the first flanging bore 11 and the second flanging bore 21, compared to current linkage structure, in the linkage structure of superimposed thin sheet metal part disclosed in the utility model, the reach that screw 3 and sheet metal part are connected significantly increases, thus the problem that when effectively prevent assembling, screw 3 is easy to slip teeth, the increase of reach that simultaneously screw 3 is connected with sheet metal part also effectively improves screw 3 and the reliability be connected between sheet metal part.
In the present embodiment, the first flanging bore 11 is towards inner side turnover, and the second flanging bore 21 is contrary with the overbending direction of the first flanging bore 11.In that case, inner side sheet metal part 1 and outside sheet metal part 2 are slab construction, both are bonded to each other, and the flange of the first flanging bore 11 turns down towards inner side, the flange of the second flanging bore 21 turns down toward the outer side, in the utility model embodiment, the side of nearly screw 3 afterbody is specifically depended in so-called inner side, and outside is the side near screw 3 head.The flange length of the first flanging bore 11 and the second flanging bore 21 can be determined according to concrete product size, when not causing interference to the installation of miscellaneous part, the length summation of the flange of the first flanging bore 11 and the second flanging bore 21 is preferably equal with the reach of screw 3, this just can make screw 3 be combined more closely with inner side sheet metal part 1 and outside sheet metal part 2, improves screw 3 and the reliability be connected between sheet metal part.
When the flange of the first flanging bore 11 turns down towards inner side, the linkage structure of another superimposed thin sheet metal part is also disclosed in the utility model, in this kind of linkage structure, on the sheet metal part 2 of outside, the position corresponding with the first flanging bore 11 is provided with the outside heavy stand 22 of bottom away from inner side sheet metal part 1, as shown in Figure 2, second flanging bore 21 is arranged on the bottom of outside heavy stand 22, and being folded to of the flange of the overbending direction of the flange of the second flanging bore 21 and the first flanging bore 11 is identical, the flange length of the second flanging bore 21 and the deep equality of outside heavy stand 22, to make inner side sheet metal part 1 and outside sheet metal part 2 to fit.As shown in Figure 2, in this embodiment, screw 3 and the reach that is connected between outside sheet metal part 2 and inner side sheet metal part 1 equal the summation of the flange length of the first flanging bore 11 and the second flanging bore 21.
Understandablely be, the flange of the first flanging bore 11 also may turn down toward the outer side, in the linkage structure of superimposed thin sheet metal part disclosed in the present embodiment, the flange of the first flanging bore 11 turns down toward the outer side, on the sheet metal part 2 of outside, the position corresponding with the first flanging bore 11 is provided with the outside heavy stand 22 of bottom away from inner side sheet metal part 1, second flanging bore 21 is arranged on the bottom of outside heavy stand 22, and being folded to of the flange of the second flanging bore 21 is contrary with being folded to of the first flanging bore 11, the length summation of flange of the first flanging bore 11 and the second flanging bore 21 and the deep equality of outside heavy stand 22, so that ensure that outside sheet metal part 2 can be fitted with inner side sheet metal part 1.In the linkage structure of the superimposed thin sheet metal part in the present embodiment, screw 3 and the reach be connected between outside sheet metal part 2 and inner side sheet metal part 1 also equal the summation of the flange length of the first flanging bore 11 and the second flanging bore 21, under the prerequisite installation of other structures not being caused to interference, the length summation of the first flanging bore 11 and the second flanging bore 21 should be made equal with the reach on screw 3 as far as possible.
The linkage structure of another superimposed thin sheet metal part is also disclosed in the utility model embodiment, in this kind of linkage structure, the flange of the first flanging bore 11 turns down toward the outer side, on the sheet metal part 2 of outside, the position corresponding with the first flanging bore 11 is provided with the outside heavy stand 22 of bottom away from inner side sheet metal part 1, the degree of depth of outside heavy stand 22 is equal with the length of the flange of the first flanging bore 11, so that make inner side sheet metal part 1 and outside sheet metal part 2 fit, second flanging bore 21 is arranged on the bottom of outside heavy stand 22, and the overbending direction of the flange of the second flanging bore 21 is identical with the overbending direction of the flange of the first flanging bore 11.
Those skilled in the art it is easily understood that, the number of plies of superimposed thin sheet metal part is not limited to two-layer, except inner side sheet metal part 1 and outside sheet metal part 2, also may comprise the middle sheet metal part be arranged between inner side sheet metal part 1 and outside sheet metal part 2, when the linkage structure of superimposed thin sheet metal part comprises middle sheet metal part, middle sheet metal part should be provided with corresponding with the first flanging bore 11 and the second flanging bore 21, and the through hole that can pass for screw 3, certainly, be not difficult it is contemplated that the number of plies of middle sheet metal part also may may be multilayer for one deck.
Above the linkage structure of superimposed thin sheet metal part provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and mode of execution, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (6)
1. the linkage structure of a superimposed thin sheet metal part, comprise screw (3), the inner side sheet metal part (1) near described screw (3) afterbody and the outside sheet metal part (2) near described screw (3) head, described inner side sheet metal part (1) offers the first flanging bore (11) with described screw adaptation, it is characterized in that, described outside sheet metal part (2) offer relative with described first flanging bore (11), and second flanging bore (21) adaptive with described screw (3).
2. the linkage structure of superimposed thin sheet metal part according to claim 1, it is characterized in that, the flange of described first flanging bore (11) turns down towards inner side, and being folded to of the flange of described first flanging bore (11) and described second flanging bore (21) is contrary.
3. the linkage structure of superimposed thin sheet metal part according to claim 1, it is characterized in that, the flange of described first flanging bore (11) turns down towards inner side, the upper position corresponding with described first flanging bore (11), described outside sheet metal part (2) is provided with the outside heavy stand (22) of bottom away from described inner side sheet metal part (1), described second flanging bore (21) is arranged on the bottom in described outside heavy stand (22), being folded to of its flange is identical with being folded to of the flange of described first flanging bore (11), and the flange length of described second flanging bore (21) and the deep equality in described outside heavy stand (22).
4. the linkage structure of superimposed thin sheet metal part according to claim 1, it is characterized in that, the flange of described first flanging bore (11) turns down toward the outer side, the upper position corresponding with described first flanging bore (11), described outside sheet metal part (2) is provided with the outside heavy stand (22) of bottom away from described inner side sheet metal part (1), described second flanging bore (21) is arranged on the bottom in described outside heavy stand (22), being folded to of its flange is contrary with being folded to of described first flanging bore (11), and the length sum of the flange of described first flanging bore (11) and described second flanging bore (21) and the deep equality in described outside heavy stand (22).
5. the linkage structure of superimposed thin sheet metal part according to claim 1, it is characterized in that, the flange of described first flanging bore (11) turns down toward the outer side, the upper position corresponding with described first flanging bore (11), described outside sheet metal part (2) is provided with the outside heavy stand (22) of bottom away from described inner side sheet metal part (1), the degree of depth in described outside heavy stand (22) is equal with the flange length of described first flanging bore (11), described second flanging bore (21) is arranged on the bottom in described outside heavy stand (22), being folded to of its flange is identical with being folded to of described first flanging bore (11).
6. the linkage structure of the superimposed thin sheet metal part according to claim 1-5 any one, it is characterized in that, also comprise the middle sheet metal part be arranged between described inner side sheet metal part (1) and described outside sheet metal part (2), and described middle sheet metal part is provided with the intermediate throughholes corresponding with described first flanging bore (11) and described second flanging bore (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635396.2U CN204175731U (en) | 2014-10-29 | 2014-10-29 | A kind of linkage structure of superimposed thin sheet metal part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635396.2U CN204175731U (en) | 2014-10-29 | 2014-10-29 | A kind of linkage structure of superimposed thin sheet metal part |
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| Publication Number | Publication Date |
|---|---|
| CN204175731U true CN204175731U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420635396.2U Active CN204175731U (en) | 2014-10-29 | 2014-10-29 | A kind of linkage structure of superimposed thin sheet metal part |
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| CN (1) | CN204175731U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336856A (en) * | 2018-12-18 | 2020-06-26 | 浙江三花汽车零部件有限公司 | Heat exchanger and machining method thereof |
-
2014
- 2014-10-29 CN CN201420635396.2U patent/CN204175731U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336856A (en) * | 2018-12-18 | 2020-06-26 | 浙江三花汽车零部件有限公司 | Heat exchanger and machining method thereof |
| CN111336856B (en) * | 2018-12-18 | 2023-05-23 | 浙江三花汽车零部件有限公司 | Heat exchanger and processing method thereof |
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| GR01 | Patent grant |