CN210265396U - Sheet metal part connecting structure - Google Patents
Sheet metal part connecting structure Download PDFInfo
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- CN210265396U CN210265396U CN201921228610.1U CN201921228610U CN210265396U CN 210265396 U CN210265396 U CN 210265396U CN 201921228610 U CN201921228610 U CN 201921228610U CN 210265396 U CN210265396 U CN 210265396U
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Abstract
The utility model discloses a sheet metal part connecting structure, including first sheet metal part and the second sheet metal part that the edge was set up on first sheet metal part, first sheet metal part is close to second sheet metal part department and is provided with the through-hole, the through-hole interpolation is equipped with connects the upper beam and connects the lower beam, connect the upper beam bottom and connect the lower beam top and fix, connect the upper beam top and be equipped with the boss, connect the upper beam outer cover from top to bottom in proper order and be equipped with compression spring and top board, the first sheet metal part and second sheet metal part are supported respectively at the top board both ends; the bottom end of the lower connecting rod is provided with a lower boss, a lower pressing plate and a lower pressing spring are sequentially sleeved outside the lower connecting rod from top to bottom, and two ends of the lower pressing plate respectively abut against the first sheet metal part and the second sheet metal part. The utility model discloses connection structure simple structure, the clamp force is stable, can effectively avoid along with the sheet metal component connection structure inefficacy scheduling problem that frequent vibration leads to this connection structure need not to be in waiting two sheet metal component trompils all of connecting, has effectively simplified the course of working, has improved the packaging efficiency.
Description
Technical Field
The utility model relates to a sheet metal manufacturing technical field, concretely relates to sheet metal component connection structure.
Background
The sheet metal is a comprehensive cold processing technology aiming at the sheet metal, comprising shearing, punching/cutting/compounding, folding, riveting, splicing, forming and the like, and has the remarkable characteristic that the thickness of the same part is consistent. The metal plate has the characteristics of light weight, high strength, conductivity, low cost, good large-scale mass production performance and the like, and is widely applied to the fields of electronic appliances, communication, automobile industry, medical appliances and the like. Usually, the sheet metal parts are connected through bolts or rivets, and connecting holes of the bolts or the rivets are required to be preset on the sheet metal parts. The through-hole through a screw through first sheet metal component and second sheet metal component is followed with the nut fastening, relies on the flange face of nut and screw to compress tightly two sheet metal components.
The utility model patent "a connection structure for sheet metal component" of the chinese patent database with application number CN201521038872.3 discloses a technical scheme: the utility model provides a connection structure for sheet metal component, includes first sheet metal component and second sheet metal component, first sheet metal component overlaps with the connecting portion of second sheet metal component, still including pressing from both sides tight piece and connecting bolt, it is equipped with the through-hole and be equipped with the arch at its one end to press from both sides tight piece, bellied height is greater than the thickness of first sheet metal component, the second sheet metal component is opened in the connecting portion outside has the through-hole, press from both sides tight piece and locate the connecting portion top surface of first sheet metal component and second sheet metal component and its protruding end support and lean on the top surface of second sheet metal component, the bolt penetrates press from both sides the through-hole of tight piece and the through-hole of second sheet metal component and lock the connecting portion of first sheet metal component.
According to the scheme, the connection of the additional sheet metal parts can be realized only by arranging the through holes on the second sheet metal part and without drilling holes on the installed sheet metal parts, so that the installation efficiency of the equipment is effectively improved; however, the above-mentioned solutions still adopt a bolt and nut matching manner for fixing, and such a connection manner is extremely disadvantageous for the strength of the connecting component, and when the component adopting such a connection manner experiences frequent vibration, vibration is transmitted to the edges of the through holes of the first sheet metal part and the second sheet metal part by the screw and the nut, so that the vibration of the sheet metal parts is torn, and the connection failure of the whole structure is caused; in addition, the clamp force of the clamp block of the scheme can not be controlled, the sheet metal part is easy to damage due to too high clamp force, the connection stability can not be guaranteed due to too low clamp force, the special clamp force of the structure is easy to reduce gradually along with frequent vibration, and the connection stability between the sheet metal parts is seriously influenced.
Therefore, it is necessary to develop a new connecting structure for sheet metal parts.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sheet metal component connection structure, this connection structure simple structure, the clamp force is stable, can effectively avoid along with the sheet metal component connection structure inefficacy scheduling problem that frequent vibration leads to this connection structure need not to be in two sheet metal component all trompils of waiting to connect, has effectively simplified the course of working, has improved the packaging efficiency.
In order to realize the purpose, the technical scheme of the utility model is that:
a sheet metal part connecting structure comprises a first sheet metal part and a second sheet metal part, wherein the edge of the second sheet metal part is overlapped on the first sheet metal part, a through hole is formed in the position, close to the second sheet metal part, of the first sheet metal part, an upper rod and a lower rod are inserted into the through hole, the bottom end of the upper rod is fixed to the top end of the lower rod, an upper boss is arranged at the top end of the upper rod, an upper compression spring and an upper pressing plate are sequentially sleeved outside the upper rod from top to bottom, and two ends of the upper pressing plate respectively abut against the first sheet metal part and the second sheet metal part; connect the lower beam bottom and be equipped with down the boss, connect the outer cover in proper order of lower beam from top to bottom and be equipped with holding down plate and lower pressing spring, the holding down plate both ends support respectively first sheet metal component and second sheet metal component.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses only need set up the through-hole on the first sheet metal component, need not to trompil on the second sheet metal component again, and also need not to set up the nut structure, effectively simplified the course of working, improved the packaging efficiency;
2. the utility model completes the connection and fixation of the sheet metal part by the upper compression spring, the lower compression spring, the upper pressing plate and the lower pressing plate, and can avoid the vibration tearing of the sheet metal part after frequent vibration without adopting a screw and nut structure;
3. the utility model does not adopt the structure of a screw nut for fixation, avoids the situations of screw sliding caused by excessive disassembly times and the like, can finish the disassembly of the sheet metal part only by separating the upper rod and the lower rod, and has simple assembly and disassembly and strong universality;
4. the utility model discloses can be through the pressure of control last compression spring and lower compression spring, control the connection clamp force of sheet metal component, avoid the too high damage sheet metal component of clamp force, the clamp force crosses low unable connection stability of guaranteeing excessively.
The utility model discloses a further improvement scheme as follows:
furthermore, a screw hole is formed in the bottom end of the upper connecting rod, and a screw rod corresponding to the screw hole is arranged at the top end of the lower connecting rod.
Through adopting above-mentioned scheme, the screw rod of connecting the lower beam top inserts the screw internal fixation who connects the upper beam bottom, can control the clamping-force of going up pressure spring and lower compression spring through the precession length of control screw rod, is convenient for adjust.
Furthermore, a convex block is inserted on the peripheral surface of the top end of the connecting lower rod, a return spring used for pushing out the convex block is arranged inside the connecting lower rod, the bottom end of the connecting lower rod is connected with a blind hole corresponding to the connecting lower rod, and convex block holes corresponding to the convex block are uniformly distributed on the inner wall of the blind hole.
By adopting the scheme, the lower rod is fixedly connected and the upper rod is connected through the matching of the convex block and the convex block hole, the convex block is pressed into the lower rod by the inner wall of the blind hole at the beginning, when the convex block hole is reached, the convex block extends out to be clamped into the convex block hole to complete the fixation, and the clamping force can be adjusted by selecting the fixed convex block hole.
Further, the top surface of the bump is inclined towards the lower part of the outer side, and the bottom surface of the bump is horizontal or inclined towards the lower part of the outer side.
By adopting the scheme, the top surface of the lug inclines beyond the lower part of the outer side, and the lug can be directly pushed out from the inner part of the lug hole beyond the upper part, so that the disassembly of the lower connecting rod and the adjustment of the clamping force are quickly finished; the bottom surface of the convex block is horizontal or inclined towards the lower part of the outer side, so that the convex block is prevented from sliding from the convex block hole, and the connection stability is ensured.
Further, the top board includes laminating section and last pressurized section on first last laminating section, the second, laminating section respectively with the laminating of first sheet metal component and second sheet metal component on the first laminating section, the second, it establishes to go up the pressurized section cover connect on the upper beam, and go up the pressurized section with laminating intersegmental is equipped with the linkage segment on first laminating section, the second.
By adopting the scheme, the upper compression spring completes the compression of the first upper laminating section and the second upper laminating section by compressing the upper compression section.
Further, the holding down plate includes laminating section and lower pressurized section under first laminating section, the second, laminating section under first laminating section, the second respectively with the laminating of first sheet metal component and second sheet metal component, the pressurized section cover is established down connect on the lower beam, and the pressurized section down with laminating section, second are laminated under first and are equipped with down the linkage segment between the section.
Through adopting above-mentioned scheme, the section of bearing pressure is accomplished compressing tightly the laminating section under first laminating section and the second through compressing tightly down to the compression spring down.
Furthermore, an upper buffer plate is arranged between the upper compression spring and the upper pressure plate, and a lower buffer plate is arranged between the lower compression spring and the lower pressure plate.
Through adopting above-mentioned scheme, go up the buffer board and guarantee pressure uniform balance with lower buffer board at first, secondly go up the buffer board and predetermine certain buffering pressure value with lower buffer board for the spring fatigue lax in the compensation use guarantees to connect stably.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structural view of an upper rod and a lower rod according to a first embodiment of the present invention.
Fig. 3 is a schematic sectional view of an upper rod and a lower rod according to a second embodiment of the present invention.
Shown in the figure:
1. a first sheet metal part; 101. a through hole;
2. a second sheet metal part;
3. connecting the upper rod; 301. a screw hole; 302. blind holes; 303. a boss hole;
4. connecting a lower rod; 401. a screw; 402. a bump; 403. a return spring;
5. an upper boss;
6. an upper hold-down spring;
7. an upper pressure plate; 701. a first upper bonding section; 702. the second upper attaching section; 703. an upper compression section; 704. an upper connecting section;
8. a lower boss;
9. a lower pressing plate; 901. a first lower bonding section; 902. the second lower laminating section; 903. a lower compression section; 904. a lower connecting section;
10. a lower compression spring;
11. an upper buffer plate;
12. a lower buffer plate.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The first embodiment is as follows:
as shown in fig. 1 and fig. 2, the sheet metal part connecting structure provided by this embodiment includes a first sheet metal part 1 and a second sheet metal part 2 arranged on the first sheet metal part 1 at the edge, a through hole 101 is provided at a position of the first sheet metal part 1 close to the second sheet metal part 2, and an upper rod 3 and a lower rod 4 are inserted into the through hole 101.
The bottom end of the upper connecting rod 3 is fixed with the top end of the lower connecting rod 4, the top end of the upper connecting rod 3 is provided with an upper boss 5, an upper compression spring 6 and an upper pressure plate 7 are sequentially sleeved outside the upper connecting rod 3 from top to bottom, and two ends of the upper pressure plate 7 respectively abut against the first sheet metal part 1 and the second sheet metal part 2; connect 4 bottoms of lower beam and be equipped with down boss 8, connect the outer cover in proper order of lower beam 4 from top to bottom and be equipped with holding down plate 9 and lower compression spring 10, hold down plate 9 both ends respectively and support first sheet metal component 1 and second sheet metal component 2.
The bottom end of the upper connecting rod 3 is provided with a screw hole 301, and the top end of the lower connecting rod 4 is provided with a screw 401 corresponding to the screw hole 301.
The screw 401 connected with the top end of the lower rod 4 is inserted into the screw hole 301 connected with the bottom of the upper rod 3 for fixation, the clamping force of the upper compression spring 6 and the lower compression spring 10 can be controlled by controlling the screwing length of the screw 401, and the adjustment is convenient.
The upper pressing plate 7 comprises a first upper attaching section 701, a second upper attaching section 702 and an upper pressing section 703, the first upper attaching section 701 and the second upper attaching section 702 are respectively attached to the first sheet metal part 1 and the second sheet metal part 2, the upper pressing section 703 is sleeved on the upper connecting rod 3, and an upper connecting section 704 is arranged between the upper pressing section 703 and the first upper attaching section 701 as well as between the upper pressing section 703 and the second upper attaching section 702.
The upper pressing spring 6 completes the pressing of the first upper attaching section 701 and the second upper attaching section 702 by pressing the upper pressed section 703.
The lower pressing plate 9 comprises a first lower attaching section 901, a second lower attaching section 902 and a lower pressing section 903, the first lower attaching section 901 and the second lower attaching section 902 are respectively attached to the first sheet metal part 1 and the second sheet metal part 2, the lower pressing section 903 is sleeved on the lower connecting rod 4, and a lower connecting section 904 is arranged between the lower pressing section 903 and the first lower attaching section 901 and between the lower pressing section 903 and the second lower attaching section 902.
The lower pressing spring 10 completes pressing of the first lower attaching section 901 and the second lower attaching section 902 by pressing the lower pressed section 903.
An upper buffer plate 11 is arranged between the upper compression spring 6 and the upper pressure plate 7, and a lower buffer plate 12 is arranged between the lower compression spring 10 and the lower pressure plate 9. Go up buffer board 11 and buffer board 12 and guarantee pressure uniform balance at first, secondly go up buffer board 11 and buffer board 12 and predetermine certain buffering pressure value down for the fatigue lax of spring in the compensation use guarantees to connect stably.
In the embodiment, only the through hole 101 is required to be formed in the first sheet metal part 1, the second sheet metal part 2 is not required to be provided with a hole, and a nut structure is not required to be arranged, so that the processing process is effectively simplified, and the assembly efficiency is improved;
in the embodiment, the upper compression spring 6 and the lower compression spring 10 are matched with the upper pressing plate 7 and the lower pressing plate 9 to complete the connection and fixation of the sheet metal part, and a screw and nut structure is not adopted, so that the sheet metal part can be prevented from being vibrated and torn after frequent vibration;
the sheet metal part is disassembled only by separating the upper connecting rod 3 and the lower connecting rod 4 without adopting a screw and nut structure for fixing, so that the situations of screw sliding and the like caused by excessive disassembling times are avoided, the assembly and disassembly are simple, and the universality is strong;
this embodiment can be through the pressure of control last pressure spring 6 and lower pressure spring 10, control the connection clamp force of sheet metal component, avoid the too high damage sheet metal component of clamp force, the clamp force crosses lowly and can't guarantee connection stability.
Example two:
as shown in fig. 3, the present embodiment is substantially the same as the first embodiment except that the present embodiment is different in the fixing manner of connecting the lower rod 4 and the upper rod 3.
The connecting lower rod 4 is provided with a convex block 402 on the circumferential surface of the top end, a return spring 403 for pushing out the convex block 402 is arranged inside the connecting lower rod 4, the bottom end of the connecting upper rod 3 is provided with a blind hole 302 corresponding to the connecting lower rod 4, and convex block 402 holes 303 corresponding to the convex block 402 are uniformly distributed on the inner wall of the blind hole 302.
The lower rod 4 and the upper rod 3 are fixedly connected through the matching of the lug 402 and the lug 402 hole 303, the lug 402 is pressed into the lower rod 4 by the inner wall of the blind hole 302 at the beginning, when the lug 402 reaches the lug 402 hole 303, the lug 402 extends out and is clamped into the lug 402 hole 303 to complete the fixation, and the clamping force can be adjusted by selecting the fixed lug 402 hole 303.
The top surface of the bump 402 is inclined downward toward the outside, and the bottom surface of the bump 402 is horizontal or inclined downward toward the outside.
The top surface of the lug 402 inclines beyond the lower part of the outer side, and the lug 402 can be directly pushed out from the hole 303 of the lug 402 beyond the upper part, so that the disassembly of the lower connecting rod 4 and the adjustment of the clamping force are quickly finished; the bottom surface of the bump 402 is horizontal or inclined towards the lower part of the outer side, so that the bump 402 is prevented from sliding from the hole 303 of the bump 402, and the connection stability is ensured.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (7)
1. A sheet metal part connecting structure is characterized by comprising a first sheet metal part and a second sheet metal part, wherein the edge of the second sheet metal part is overlapped on the first sheet metal part, a through hole is formed in the position, close to the second sheet metal part, of the first sheet metal part, an upper rod and a lower connecting rod are inserted into the through hole, the bottom end of the upper rod is fixed to the top end of the lower connecting rod, an upper boss is arranged at the top end of the upper rod, an upper compression spring and an upper pressing plate are sequentially sleeved outside the upper rod from top to bottom, and two ends of the upper pressing plate respectively abut against the first sheet metal part and the second sheet metal part; connect the lower beam bottom and be equipped with down the boss, connect the outer cover in proper order of lower beam from top to bottom and be equipped with holding down plate and lower pressing spring, the holding down plate both ends support respectively first sheet metal component and second sheet metal component.
2. The sheet metal part connecting structure according to claim 1, wherein a screw hole is formed in the bottom end of the upper connecting rod, and a screw corresponding to the screw hole is formed in the top end of the lower connecting rod.
3. The sheet metal part connecting structure according to claim 1, wherein a convex block is inserted on the peripheral surface of the top end of the connecting lower rod, a return spring for pushing out the convex block is arranged inside the connecting lower rod, the bottom end of the connecting upper rod is provided with a blind hole corresponding to the connecting lower rod, and convex block holes corresponding to the convex block are uniformly distributed on the inner wall of the blind hole.
4. A sheet metal member connecting structure as claimed in claim 3, wherein the top face of the projection is inclined downward toward the outside, and the bottom face of the projection is horizontal or inclined downward toward the outside.
5. The sheet metal part connecting structure according to claim 1, characterized in that the top board includes a first upper attaching section, a second upper attaching section and an upper pressing section, the first upper attaching section and the second upper attaching section are respectively attached to the first sheet metal part and the second sheet metal part, the upper pressing section is sleeved on the upper connecting rod, and the upper pressing section is provided with the upper connecting section between the first upper attaching section and the second upper attaching section.
6. The sheet metal part connecting structure according to claim 1, wherein the lower pressing plate comprises a first lower attaching section, a second lower attaching section and a lower pressing section, the first lower attaching section and the second lower attaching section are respectively attached to the first sheet metal part and the second sheet metal part, the lower pressing section is sleeved on the lower connecting rod, and the lower pressing section is provided with a lower connecting section between the first lower attaching section and the second lower attaching section.
7. The connecting structure of a sheet metal part according to any one of claims 1 to 6, wherein an upper buffer plate is arranged between the upper compression spring and the upper pressing plate, and a lower buffer plate is arranged between the lower compression spring and the lower pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921228610.1U CN210265396U (en) | 2019-07-31 | 2019-07-31 | Sheet metal part connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921228610.1U CN210265396U (en) | 2019-07-31 | 2019-07-31 | Sheet metal part connecting structure |
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| CN210265396U true CN210265396U (en) | 2020-04-07 |
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| CN201921228610.1U Active CN210265396U (en) | 2019-07-31 | 2019-07-31 | Sheet metal part connecting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113690714A (en) * | 2021-08-17 | 2021-11-23 | 深圳市艾联特电子科技有限公司 | Connector production and assembly equipment and assembly method thereof |
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2019
- 2019-07-31 CN CN201921228610.1U patent/CN210265396U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113690714A (en) * | 2021-08-17 | 2021-11-23 | 深圳市艾联特电子科技有限公司 | Connector production and assembly equipment and assembly method thereof |
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