CN204399288U - A kind of metal spacer fixed sturcture - Google Patents
A kind of metal spacer fixed sturcture Download PDFInfo
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- CN204399288U CN204399288U CN201420805888.1U CN201420805888U CN204399288U CN 204399288 U CN204399288 U CN 204399288U CN 201420805888 U CN201420805888 U CN 201420805888U CN 204399288 U CN204399288 U CN 204399288U
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- spacer
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Abstract
The utility model provides a kind of metal spacer fixed sturcture, comprise the base material of tubulose and the spacer of tubulose, described base material has radial through hole and axial mounting hole, described spacer has axial mating holes, described spacer is arranged in the mounting hole of base material, the axis of described spacer and the axis perpendicular of base material, the mating holes of described spacer aligns with the through hole of base material, the mounting hole inwall of described base material is distributed with multiple spacing preiection along the circumference of through hole, and described spacing preiection is stuck on the outer wall of spacer.That the inwall of base material described in the utility model is provided with two axis and relative plane, the two ends of described spacer lean in the plane respectively.The utility model realizes the connection with spacer by the plastic deformation of base material self, does not need other add-on parts, also not needing welding, effectively ensure that the surface quality of base material when meeting job requirement.
Description
Technical field
The utility model relates to the part connecting structure on automobile, particularly relates to a kind of metal spacer fixed sturcture.
Background technology
In order to reduce automobile fuel consumption and exhaust emissions, automotive light weight technology is a kind of trend of current development, Lightweight Technology mainly passes through Optimal Structure Designing on body structure, lightweighting materials is applied, the methods such as Novel connection connection technology realize, at present, aluminum magnesium alloy increases increasingly as lightweighting materials application, a lot of places of vehicle body all can relate to the connectivity problem between aluminum magnesium alloy part and other parts, connection in traditional handicraft between part can adopt additional structure to carry out auxiliary connection, such as riveted joint or welding etc., this adds the overall weight of vehicle body undoubtedly, too increase cost.In addition, can there is problem of aging in part, and the part of use is also many, and the place gone wrong is also more, is difficult to ensure long-term reliability and Joint strenght, so need a kind of better connection structure to solve weak point in traditional handicraft.
Utility model content
The technical problems to be solved in the utility model is to provide that a kind of structure is simple, the metal spacer fixed sturcture of working stability, to overcome the above-mentioned defect of prior art.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of metal spacer fixed sturcture, comprise the base material of tubulose and the spacer of tubulose, described base material has radial through hole and axial mounting hole, described spacer has axial mating holes, described spacer is arranged in the mounting hole of base material, the axis of described spacer and the axis perpendicular of base material, the mating holes of described spacer aligns with the through hole of base material, the mounting hole inwall of described base material is distributed with multiple spacing preiection along the circumference of through hole, described spacing preiection is all stuck on the outer wall of spacer.
Preferably, that the inwall of described base material is provided with two axis and relative plane, the two ends of described spacer lean in the plane respectively.
Preferably, the through hole diameter of described base material is not more than the mating holes diameter of spacer.
Preferably, described spacing preiection is provided with three, and described three spacing preiections are uniformly distributed.
As mentioned above, a kind of metal spacer of the utility model fixed sturcture, has following beneficial effect:
The utility model realizes the connection with spacer by the plastic deformation of base material self, by the spacing preiection restriction spacer displacement radially of base material inwall, by the plane restriction spacer displacement vertically of two in base material mounting hole, thus make the through hole on the mating holes of spacer and base material keep right alignment, and then can ensure with can smoothly by through hole and mating holes during the Assembly of the parts such as bolt.The utility model does not need other add-on parts, and outward appearance keeps the surface quality of original base material, overcomes weak point of the prior art; The utility model does not need to adopt welding manner yet, and solve welding deformation and affect the problem of substrate surface quality, therefore the utility model has very high value of service.
Accompanying drawing explanation
Fig. 1 is constructional drawing of the present utility model.
Fig. 2 is the section drawing at A-A place in Fig. 1.
Fig. 3 is the section drawing at B-B place in Fig. 1.
In figure: 1 base material 11 through hole
12 mounting hole 13 spacing preiections
14 plane 2 spacers
21 mating holess
Detailed description of the invention
The structure that Figure of description illustrates, ratio, size etc., content all only in order to coordinate specification sheets to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, all should still drop in scope that technology contents that the utility model discloses can contain.Simultaneously, quote in this specification sheets as " on ", D score, "front", "rear", the term such as " centre ", also only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As shown in Figure 1-Figure 3, for a kind of metal spacer of the utility model fixed sturcture, comprise the base material 1 of tubulose and the spacer 2 of tubulose, described base material 1 has radial through hole 11 and axial mounting hole 12, described spacer 2 has axial mating holes 21, described spacer 2 is arranged in the mounting hole 12 of base material 1, and the axis of described spacer 2 and the axis perpendicular of base material 1, the mating holes 21 of described spacer 2 aligns with the through hole 11 of base material 1.As shown in Figure 2, mounting hole 12 inwall of described base material 1 is distributed with multiple spacing preiection 13 along the circumference of through hole 11, and described spacing preiection 13 is all stuck on the outer wall of spacer 2.As shown in Figure 1 and Figure 2, through hole 11 in the utility model can form two relative holes on base material 1, and therefore described multiple spacing preiection 13 can only be arranged on around a hole, also can be arranged on around two holes simultaneously, add man-hour, arrange according to actual needs.In the present embodiment, only the surrounding in a hole arranges spacing preiection 13 wherein.
For the ease of the steady placement of spacer 2, that the inwall of described base material 1 is provided with two axis and relative plane 14, the two ends of described spacer 2 lean respectively in plane 14.
In the present embodiment, through hole 11 diameter of described base material 1 is not more than mating holes 21 diameter of spacer 2, to guarantee that follow-up spacer 2 can be good fit with other parts.
In the present embodiment, according to verification experimental verification, as shown in Figure 1 and Figure 2, described spacing preiection 13 is provided with three and just can meets requirement of strength and ensure working stability, and described three spacing preiections 13 are uniformly distributed around a hole of through hole 11.
In the utility model, the shape of the base material 1 of tubulose can be determined as required, such as rectangular tube, cross section are polygonal pipes etc., its material can be various alloy, corrosion-resistant steel etc., composition graphs 1-Fig. 3, and the present embodiment is that rectangular tube sets forth job operation and structural principle for base material 1:
This structure is a kind of desired location be assembled to by spacer 2 in base material 1, then passes through the structure that the mating holes 21 on spacer 2 coordinates with other parts.Spacer 2 is first inserted in the mounting hole 12 of base material 1 when coordinating by this structure, position through the through hole 11 of base material 1 and the mating holes 21 of spacer 2 with bearing pin, again the assembly that this has good positioning is fixed in diel, diel is arranged on press, patrix is connected with the drift of press, counterdie is connected with the bench board of press, when patrix presses down, base material 1 can produce plastic deformation, spacing preiection 13 card in base material 1 leans against the outer wall of spacer 2, spacer 2 radial displacement is limited, and longitudinal travel is then limited by two planes 14 in base material 1 mounting hole 12.The connection feature of this structure is not increase part, and only utilize the distortion of base material 1 self to reach the object of two parts connections, structure is simple, lightweight, meets again Joint strenght requirement.The requirement of strength that assembly after base material 1 is connected with spacer 2 will meet is: one, when base material 1 is fixed, spacer 2 loads the power being not more than 300N, along the axial applied load constantly of base material 1, rate of load application is not less than 7mm/min and little 13mm/min, bearer duration unloaded after 10 seconds, spacer 2 and base material 1 do not depart from, and use test pin to be inserted into the mounting hole 21 of spacer 2 from the through hole 11 of base material 1 freely; Two, the assembly after being connected with spacer 2 by base material 1 is lifted to 3 meters of height, makes assembly do the movement of falling object, and touchdown point is that carbon steel is dull and stereotyped, and repeated trial three times, spacer 2 is not separated with base material 1.Meet above-mentioned two intensity and namely can be used as finished product place in operation.
In sum, a kind of metal spacer of the utility model fixed sturcture, can solve the connection inconvenience problem of two tubulose parts.So the utility model effectively overcomes practical problemss more of the prior art thus has very high value and use meaning.
Above-mentioned embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.The utility model also has many aspects can improve under the prerequisite of overall thought, all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or change for person skilled in the art scholar.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (4)
1. a metal spacer fixed sturcture, it is characterized in that: comprise the base material (1) of tubulose and the spacer (2) of tubulose, described base material (1) has radial through hole (11) and axial mounting hole (12), described spacer (2) has axial mating holes (21), described spacer (2) is arranged in the mounting hole (12) of base material (1), the axis of described spacer (2) and the axis perpendicular of base material (1), the mating holes (21) of described spacer (2) aligns with the through hole (11) of base material (1), mounting hole (12) inwall of described base material (1) is distributed with multiple spacing preiection (13) along the circumference of through hole (11), described spacing preiection (13) is all stuck on the outer wall of spacer (2).
2. a kind of metal spacer fixed sturcture according to claim 1, it is characterized in that: that the inwall of described base material (1) is provided with two axis and relative plane (14), the two ends of described spacer (2) lean respectively in plane (14).
3. a kind of metal spacer fixed sturcture according to claim 1, is characterized in that: through hole (11) diameter of described base material (1) is not more than mating holes (21) diameter of spacer (2).
4. a kind of metal spacer fixed sturcture according to claim 1, is characterized in that: described spacing preiection (13) is provided with three, and described three spacing preiections (13) are uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420805888.1U CN204399288U (en) | 2014-12-17 | 2014-12-17 | A kind of metal spacer fixed sturcture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420805888.1U CN204399288U (en) | 2014-12-17 | 2014-12-17 | A kind of metal spacer fixed sturcture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204399288U true CN204399288U (en) | 2015-06-17 |
Family
ID=53423169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420805888.1U Expired - Fee Related CN204399288U (en) | 2014-12-17 | 2014-12-17 | A kind of metal spacer fixed sturcture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204399288U (en) |
-
2014
- 2014-12-17 CN CN201420805888.1U patent/CN204399288U/en not_active Expired - Fee Related
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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: 20150617 Termination date: 20201217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |