CN215773791U - Thin-wall structural member - Google Patents
Thin-wall structural member Download PDFInfo
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- CN215773791U CN215773791U CN202121634515.9U CN202121634515U CN215773791U CN 215773791 U CN215773791 U CN 215773791U CN 202121634515 U CN202121634515 U CN 202121634515U CN 215773791 U CN215773791 U CN 215773791U
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Abstract
The utility model provides a thin-walled structural member, comprising: a main body structure and an additional structural unit; the additional structure unit comprises a convex structure arranged on the main structure and blocking structures arranged on one side or two sides of the convex structure; one or more of a through hole, a blind hole, a pit groove and an internal thread structure are arranged on the protruding structure; the blocking structure is a combination of one or more structures of a boss structure, a convex edge structure, a convex column structure, a convex structure containing a buckle, a groove structure, a concave hole structure and a through hole structure which are arranged on the main body structure. The utility model solves the problem that the prior art is lack of customized structural parts.
Description
Technical Field
The utility model belongs to the technical field of structural member preparation, and particularly relates to a thin-wall structural member.
Background
With the continuous development of electronic technology, intelligent electronic products are rapidly updated, and the structural design of electronic products is more and more required to be adapted to the more and more frequent product iteration trend. In the existing design, the design trend of electronic products such as smart phones, notebook computers, intelligent wearable devices and the like tends to be lighter and thinner, and the reduction of the design size and the reduction of the weight of the devices become the design trend of the electronic products for a considerable period of time. The design and manufacture of thin-wall structural members have become one of the difficulties in the field of structural member preparation. Thin-wall structural members as structural members often need to bear mechanical functions of structural members such as connection and rotation, so that in addition to a main structure, the thin-wall structural members need to be provided with other auxiliary structures for connection and rotation, and the most common auxiliary structure is a hole structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a thin-wall structural member with high-strength structure and customized structural characteristics, and aims to solve the problem that a customized structural member is lacked in the prior art.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
a thin walled structural member comprising:
a main body structure and an additional structural unit;
the additional structure unit comprises a convex structure arranged on the main structure and blocking structures arranged on one side or two sides of the convex structure;
one or more of a through hole, a blind hole, a pit groove and an internal thread structure are arranged on the protruding structure;
the blocking structure is a combination of one or more structures of a boss structure, a convex edge structure, a convex column structure, a convex structure containing a buckle, a groove structure, a concave hole structure and a through hole structure which are arranged on the main body structure.
Further, the main body structure is one of a sheet structure, a strip structure, a block structure, a columnar structure, a spherical structure and a conical structure.
Furthermore, any local thickness of the main body structure is within the range of 0.1-3 mm, and any local thickness of the protruding structure is within the range of 0.08-2 mm.
Further, the raised structures and the blocking structures are separated by a distance of no more than 2 times the thickness of the raised structures.
Furthermore, 3-12 additional structural units are arranged on the main body structure.
Further, the main structure and the blocking structure are integrally formed, and the additional structural unit and the main structure are not integrally formed.
The existing die casting process is a precise casting method for forcibly pressing molten metal into a metal die with a complex shape by using high pressure, and can meet the requirement of mass production of high-precision parts in a short time. The utility model aims at the thin-wall structural part prepared by the prior die casting process, and the conditions of the preparation can not be met, and the reason is that the die casting filling process is a rapid high-pressure injection process, the pressure applied to each direction in the die casting filling process is often different due to the fact that the cavity of the thin-wall structural part is asymmetric, and once more bent holes are formed, the surface tension of molten metal can make the fine structure position incapable of being filled, further, the cavity of the thin-wall structural part is flat and the feeding channel is narrow, once the injection pressure is completely increased for filling, the die is easy to erode by the molten metal, the injection time is increased, the raw material molten metal is not uniformly solidified, and the purpose of complete die filling can not be achieved, and the discontinuity of the surface of the product can not be increased.
The technical problem can be well solved by using the additional structure which is not integrally formed with the main structure, not only can a required fine structure be designed on the additional structure and then be fused into the main structure of the structural member, but also the adverse effect on the main structure of the structural member caused by secondary machining after forming can be avoided.
Preferably, the bottom of the protruding structure is further provided with a welding part welded with the main body structure into a whole, and the welding part is embedded into the main body structure, so that the main body structure and the protruding structure are integrated into a whole.
Further preferably, the protruding structure further comprises a positioning portion, and the positioning portion is arranged at the bottom of the welding portion.
Preferably, the positioning part is a cylindrical positioning column; or the positioning part is an extension section of the welding part, and a positioning hole or a positioning column is arranged on the extension section of the welding part.
Preferably, the welding part is provided with an auxiliary fixing structure, the auxiliary fixing structure is an extended sheet-shaped structure arranged at the joint of the welding part and the main body structure, and the outer contour of the extended sheet-shaped structure is arc-shaped.
By utilizing the technical means, the thin-wall structural member with any local thickness of the main body structure within the range of 0.1-3 mm and any local thickness of the bulge structure within the range of 0.08-2 mm can be prepared. Furthermore, in consideration of the problem of structural strength of the joint when the additional structure and the main structure are integrated, aiming at improving the strength of the joint, the technical scheme of the utility model provides a better technical effect by increasing the welding part, the auxiliary fixing structure and the like.
Drawings
FIG. 1 is a schematic structural diagram of a thin-wall structural member according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a raised structure of a thin-wall structural member according to an embodiment of the present invention;
FIG. 3 is a perspective view of the raised structure of FIG. 2;
FIG. 4 is a side schematic view of FIG. 3;
FIG. 5 is a schematic perspective view of the raised structure of FIG. 2;
fig. 6 is a side view of fig. 5.
The reference numbers illustrate:
10. a structural member body structure; 20. a raised structure; 31. a groove blocking structure; 32. 33, a stop beam blocking structure;
201. 301, 401, the raised portion of the raised structure; 202. 302, 402, a weld; 203. 303, 403, auxiliary fixing structures; 204. 304, a circular hole structure contained on the protruding structure; 404. a strip-shaped hole structure contained on the raised structure; 205. 305, a waist-shaped hole structure contained on the convex structure; 306. 405, a positioning section.
Detailed Description
In order to make the objects, technical solutions and technical effects of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and the embodiments described below are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive step in connection with the embodiments of the present invention shall fall within the scope of protection of the present invention. Those whose specific conditions are not specified in the examples are carried out according to conventional conditions or conditions recommended by the manufacturer; the reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
In the description of the present invention, the term "and/or" describing an association relationship of associated objects means that there may be three relationships, for example, a and/or B, may mean: a is present alone, A and B are present simultaneously, and B is present alone. Wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
In the description of the present invention, "at least one" means one or more, "a plurality" means two or more. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, "at least one (a), b, or c", or "at least one (a), b, and c", may each represent: a, b, c, a-b (i.e., a and b), a-c, b-c, or a-b-c, wherein a, b, and c may be single or plural, respectively.
It should be understood that the weight of the related components mentioned in the embodiments of the present invention may not only refer to the specific content of each component, but also represent the proportional relationship of the weight among the components, and therefore, it is within the scope of the disclosure that the content of the related components is scaled up or down according to the embodiments of the present invention. Specifically, the weight described in the embodiments of the present invention may be a unit of mass known in the chemical field such as μ g, mg, g, kg, etc.
In addition, unless the context clearly uses otherwise, an expression of a word in the singular is to be understood as including the plural of the word. The terms "comprises" or "comprising" are intended to specify the presence of stated features, quantities, steps, operations, elements, portions, or combinations thereof, but are not intended to preclude the presence or addition of one or more other features, quantities, steps, operations, elements, portions, or combinations thereof.
An embodiment of the utility model is shown in figure 1: the thin-wall structural member provided in the embodiment of the utility model comprises: a main body structure 10 and additional structural units. The additional structural unit comprises a protruding structure 20 (a dashed box inner structure) provided on the main body structure 10 and blocking structures 31, 32, 33 provided at the sides of the protruding structure 20.
The preparation method of the thin-wall structural part in the embodiment of the utility model comprises the following steps:
the manufacturing element comprising the protruding structure 20 is independently prepared by a powder metallurgy (MIM) process, and then is fixed in a die-casting die (not shown in the attached drawings), wherein the shapes of the manufacturing element comprising the protruding structure 20 and a cavity of the die-casting die are matched with the shape of the prepared thin-wall structural element. That is, the main structure and the blocking structure are integrally formed parts, and the additional structural unit and the main structure are non-integrally formed parts.
And after the die is closed, injecting raw material melt of the main structure of the structural part into the die, cooling the raw material melt to form an integrated structural part blank of the main structure (comprising the barrier structure) and the bulge structure 20, and finally removing redundant water gaps and burrs to obtain the required special-shaped hole-containing structural part.
In this embodiment, the protrusion structure 20 is provided with a through hole 205. In other more embodiments, the protruding structure may further have any small and micro structure that is difficult to be prepared by direct casting or direct casting together with machining, including but not limited to any through hole structure, blind hole structure, pit and groove structure, internal thread structure, etc., and the number of the structures may also be set according to the design requirement, and is not limited to 1 shown in the present embodiment.
In this embodiment, the blocking structure 31 is a groove structure, and the blocking structures 32 and 33 are protruding stop beam structures. In other more embodiments, the blocking structure may also be configured as a combination of one or more structures selected from a group consisting of a boss structure, a rib structure, a boss structure, a protrusion structure including a buckle, a groove structure, a recess structure, and a through hole structure.
In the present embodiment, the structural member main body structure 10 in the present embodiment is a thin strip-shaped structure in order to clearly illustrate the structural features of the structural member. In other more embodiments, the main structure of the structural member may be one of a block structure, a sheet structure, a column structure, a spherical structure and a cone structure, and it should be understood that the technical solution of the present invention is particularly suitable for preparing a thin-wall structural member including a complex and irregular special structure.
In the embodiment, any local thickness of the main structure of the thin-wall structural member prepared is within the range of 0.1-3 mm, and any local thickness of the protruding structure is within the range of 0.08-2 mm. By the technical means, the structural part with any local thickness of the main structure lower than 3mm and the local thickness of the additional structure lower than 2mm can be prepared. By utilizing the forming method, the structural part containing small holes and micropores can be obtained, and the method is particularly suitable for casting and forming the complex thin-wall porous structural part.
Furthermore, the distance between the protruding structure and the blocking structure is not more than 2 times of the thickness of the protruding structure, namely, the forming method is suitable for preparing thin-wall type workpieces which comprise a plurality of structures and are compact between adjacent structures, and can meet the requirements of customization of various structural parts.
And in a further preferable design, 3-12 additional structural units are arranged on the main structure, so that the requirement of customizing various structural members can be met, and particularly, the manufactured parts have large length-width size ratio and are difficult to die-cast and mold-fill.
In this embodiment, a schematic structural diagram of the protruding structure 20 is shown in fig. 2, and in the overall schematic structural diagram, a protruding portion 201 of the protruding structure, that is, a protruding portion including hole structures 204 and 205 in fig. 1, can be seen, where 204 is a circular hole structure included in the protruding structure, and 205 is a kidney-shaped hole structure included in the protruding structure. Further, as shown in fig. 2, the protrusion structure is integrally "i" shaped, and the bottom of the protrusion structure is provided with a welding portion 202 (two ends of the "i" shape) that is integrally dissolved with the main structure 10, and the welding portion 202 is embedded into the main structure 10 to integrate the main structure 10 and the protrusion structure 20 as a whole, in accordance with the above-mentioned method for manufacturing a structural member. The protrusion structure further includes a positioning portion disposed at the bottom of the welding portion (not shown in fig. 2, this view cannot be seen, and it can be clearly seen in the following embodiments, so that the detailed description thereof is omitted here). The welding portion 202 is further provided with an auxiliary fixing structure 203, the auxiliary fixing structure 203 is an extended sheet-shaped structure disposed at a joint of the welding portion 202 and the main body structure 10, and the auxiliary fixing structure can be disposed at one end, at two sides of the end portion, as in the present embodiment, or can be disposed in other structures according to other requirements. The welding portion 202 may further include a reinforcing hole for increasing a contact area between the welding portion and the main structure melt, and the reinforcing hole may be disposed at a corner or a side of the welding portion to achieve a technical effect (not shown).
In one embodiment, the convex portion 301 of the convex structure can be seen in the overall schematic view of the structural member, and the convex structure is in an I shape overall. Referring to fig. 3 and 4, the bottom of the protrusion structure is provided with a welding portion 302 (two ends of the "i" shape) that is integrally dissolved with the main structure 10, and the welding portion 302 is embedded into the main structure 10 to integrate the main structure 10 and the protrusion structure, as adapted to the above-mentioned method for manufacturing the structural member. The protruding structure further comprises a positioning portion 306, the positioning portion is disposed at the bottom of the welding portion, the positioning portion in this embodiment is a cylindrical positioning column, and the positioning column is disposed at the front end, the rear end, the middle section (3 positions in this embodiment) of the welding portion, and is used for positioning the whole protruding structure in the preparation process (in the mold) and preventing the protruding structure from shifting in the preparation process. In other embodiments, the positioning portion may also be an extension of the welding portion, and a positioning hole or a positioning post (not shown in the drawings) is disposed on the extension of the welding portion. In this embodiment, the welding portion 302 is further provided with an auxiliary fixing structure 303, the auxiliary fixing structure 303 is an extended sheet-shaped structure disposed at a joint of the welding portion 302 and the main structure 10, an outer contour of the extended sheet-shaped structure is an arc shape, and the auxiliary fixing structure is provided to enhance a positioning function of the protrusion structure in the mold, and increase a contact area between the welding portion and the molten main structure, so that the welding portion and the molten main structure are welded more tightly in the preparation process, and the bonding strength is increased. The welding portion 302 may further include a reinforcing hole for increasing a contact area between the welding portion and the main structure melt, and the reinforcing hole may be disposed at a corner or a side of the welding portion to achieve a technical effect (not shown). In this embodiment, the holes in the raised structure are a combination of inclined kidney-shaped through holes 305 and a circular hole set (the circular hole set in this embodiment includes 3 circular holes 304).
In another embodiment, the raised portion 401 of the raised structure can be seen in the overall schematic view of the structure, and the raised structure is generally "I" shaped. Referring to fig. 5 and 6, the bottom of the protrusion structure is provided with a welding portion 402 (two ends of the "i" shape) that is integrated with the main structure 10, and the welding portion 402 is embedded into the main structure 10 to integrate the main structure 10 and the protrusion structure, as adapted to the above-mentioned method for manufacturing the structural member. The protruding structure further includes a positioning portion 405, the positioning portion is disposed at the bottom of the welding portion, the positioning portion in this embodiment is a cylindrical positioning column, and the positioning column is disposed at the front end, the rear end, the middle section (total 3 positions in this embodiment) of the welding portion, and is used for positioning the whole protruding structure in the preparation process (in the mold) and preventing the protruding structure from shifting in the preparation process. In other embodiments, the positioning portion may also be an extension of the welding portion, and a positioning hole or a positioning post (not shown in the drawings) is disposed on the extension of the welding portion. In this embodiment, the welding portion 402 is further provided with an auxiliary fixing structure 403, the auxiliary fixing structure 403 is an extended sheet-like structure disposed at a joint of the welding portion 402 and the main structure 10, an outer contour of the extended sheet-like structure is an arc shape, and the auxiliary fixing structure is provided for enhancing a positioning function of the protrusion structure in the mold, and increasing a contact area between the welding portion and the molten main structure, so that the welding portion and the molten main structure are welded more tightly in the preparation process, and the bonding strength is increased. The welding portion 402 may further include a reinforcing hole for increasing a contact area between the welding portion and the main structure melt, and the reinforcing hole may be disposed at a corner or a side of the welding portion to achieve a technical effect (not shown). In this embodiment, the holes on the protruding structures are through holes 404 in the shape of oblique bars.
By utilizing the technical means, the thin-wall structural member with any local thickness of the main body structure within the range of 0.1-3 mm and any local thickness of the bulge structure within the range of 0.08-2 mm can be prepared. Furthermore, in consideration of the problem of structural strength of the joint when the additional structure and the main structure are integrated, aiming at improving the strength of the joint, the technical scheme of the utility model provides a better technical effect by increasing the welding part, the auxiliary fixing structure and the like.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A thin walled structural member, comprising:
a main body structure and an additional structural unit;
the additional structure unit comprises a convex structure arranged on the main structure and blocking structures arranged on one side or two sides of the convex structure;
one or more of a through hole, a blind hole, a pit groove and an internal thread structure are arranged on the protruding structure;
the blocking structure is a combination of one or more structures of a boss structure, a convex edge structure, a convex column structure, a convex structure containing a buckle, a groove structure, a concave hole structure and a through hole structure which are arranged on the main body structure.
2. A thin-walled structural member as claimed in claim 1 wherein: the main structure is one of a sheet structure, a strip structure, a block structure, a columnar structure, a spherical structure and a conical structure.
3. A thin-walled structural member as claimed in claim 1 wherein: any local thickness of the main body structure is within the range of 0.1-3 mm, and any local thickness of the protruding structure is within the range of 0.08-2 mm.
4. A thin-walled structural member as claimed in claim 1 wherein: the raised structures are spaced from the blocking structures by a distance no more than 2 times a thickness of the raised structures.
5. A thin-walled structural member as claimed in claim 1 wherein: 3-12 additional structural units are arranged on the main body structure.
6. A thin-walled structural member as claimed in claim 1 wherein: the main structure and the blocking structure are integrally formed parts, and the additional structural unit and the main structure are non-integrally formed parts.
7. A thin-walled structural member according to any one of claims 1 to 6, wherein: the bottom of the protruding structure is further provided with a welding part which is welded with the main body structure into a whole, and the welding part is embedded into the main body structure to enable the main body structure and the protruding structure to be integrated into a whole.
8. A thin-walled structural member as claimed in claim 7 wherein: the protruding structure further comprises a positioning portion, and the positioning portion is arranged at the bottom of the welding portion.
9. A thin-walled structural member as claimed in claim 8 wherein: the positioning part is a cylindrical positioning column; or the positioning part is an extension section of the welding part, and a positioning hole or a positioning column is arranged on the extension section of the welding part.
10. A thin-walled structural member as claimed in claim 7 wherein: the welding part is provided with an auxiliary fixing structure, the auxiliary fixing structure is an extension sheet structure arranged at the joint of the welding part and the main body structure, and the outer contour of the extension sheet structure is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121634515.9U CN215773791U (en) | 2021-07-16 | 2021-07-16 | Thin-wall structural member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121634515.9U CN215773791U (en) | 2021-07-16 | 2021-07-16 | Thin-wall structural member |
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| Publication Number | Publication Date |
|---|---|
| CN215773791U true CN215773791U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121634515.9U Active CN215773791U (en) | 2021-07-16 | 2021-07-16 | Thin-wall structural member |
Country Status (1)
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|---|---|
| CN (1) | CN215773791U (en) |
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2021
- 2021-07-16 CN CN202121634515.9U patent/CN215773791U/en active Active
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