CN216080272U - Novel structure for preventing screw torsion from deforming - Google Patents
Novel structure for preventing screw torsion from deforming Download PDFInfo
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- CN216080272U CN216080272U CN202122308902.XU CN202122308902U CN216080272U CN 216080272 U CN216080272 U CN 216080272U CN 202122308902 U CN202122308902 U CN 202122308902U CN 216080272 U CN216080272 U CN 216080272U
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Abstract
The utility model discloses a novel structure for preventing a screw from being deformed due to torsion, which comprises a connecting piece, a middle partition plate and a connected piece, wherein a connecting column is arranged on the connecting piece, a screw hole is formed in the head of the connecting column, a mounting hole is formed in the connected piece, the head of the connecting column is in a polygonal column shape, a special-shaped through hole is formed in the middle partition plate, the shape of the special-shaped through hole corresponds to that of the head of the connecting column, the head of the connecting column extends into the special-shaped through hole and is matched with the special-shaped through hole, the screw hole in the connecting column is aligned with the mounting hole, the connecting piece is connected with the connected piece through a screw, and the screw penetrates through the mounting hole and is connected with the screw hole. The novel structure for preventing the deformation caused by the screw torsion solves the problem that an injection molding part deforms due to the torque when the screw is installed, improves the reliability of screw connection in the injection molding part, and can play a role in improving the appearance quality of a shell structure adopting the screw connection.
Description
Technical Field
The utility model relates to an injection molding structure, in particular to a novel structure for preventing a screw from being deformed due to torsion.
Background
At present, shells of equipment such as a dehumidifier and an air conditioner are mostly fixed by screws, the fixing mode is simple in structure and wide in application, but torque is inevitably applied to the screws during screw connection, the torque easily causes the plates of the shells to be subjected to sickle deformation, the seam parts of the shells are poor in section, the product appearance is affected, and the deformation also easily causes the problems of dust entering, cracks at the connecting parts and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects of the prior art and provide a novel structure for preventing the deformation of an injection molding part caused by the torsion of a screw during the installation of the screw.
In order to achieve the purpose, the novel structure for preventing the torsion of the screw from deforming comprises a connecting piece, a middle partition plate and a connected piece, wherein the connecting piece is provided with a connecting column, the head of the connecting column is provided with a screw hole, the connected piece is provided with a mounting hole, the head of the connecting column is in a polygonal column shape, the middle partition plate is provided with a special-shaped through hole, the shape of the special-shaped through hole corresponds to that of the connecting column, the head of the connecting column extends into the special-shaped through hole and is matched with the special-shaped through hole, meanwhile, the screw hole in the connecting column is aligned with the mounting hole, the connecting piece is connected with the connected piece through the screw, and the screw penetrates through the mounting hole and is connected with the screw hole.
In order to further improve the rotation stopping capacity and reduce the pressure of the centering partition plate, a limiting block is arranged on the outer side of the connecting column, and a limiting groove for the limiting block to penetrate through is correspondingly formed in the special-shaped through hole.
The connecting piece is a dehumidifier rear shell, the connected piece is a fan bracket, the connecting columns are symmetrically distributed on the side edge of the dehumidifier rear shell, and the mounting holes are correspondingly distributed on the side edge of the fan bracket.
In order to improve the connection strength, a support is arranged between the connecting column and the connecting piece, the support comprises a connecting plate for connecting the side face of the connecting column with the connecting piece and a supporting plate arranged at the tail of the connecting column, and a plurality of supporting ribs are arranged between the supporting plate and the connecting plate.
In order to improve the limiting capacity of the special-shaped through holes on the torque and torsion of the connecting columns, the connecting columns are in interference fit with the special-shaped through holes.
The head of the connecting column is in an octagonal prism shape, and the special-shaped through hole is in an octagonal shape.
The novel structure for preventing the deformation caused by the screw torsion solves the problem that an injection molding part deforms due to the torque when the screw is installed, improves the reliability of screw connection in the injection molding part, and can play a role in improving the appearance quality of a shell structure adopting the screw connection.
Drawings
FIG. 1 is a schematic structural view of a structure for preventing a screw from being deformed by torsion according to the present invention;
FIG. 2 is a structural view of an embodiment 1 of the anti-torsional deformation structure of the screw of the present invention;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
FIG. 4 is a schematic view showing the structure of a connecting column in embodiment 1;
fig. 5 is a schematic structural view of a connecting column and a special-shaped through hole in embodiment 2 of the structure for preventing the torsion-induced deformation of the screw.
In the figure: the connecting piece 1, median septum 2, by connecting piece 3, spliced pole 4, screw 5, dysmorphism through-hole 6, mounting hole 7, stopper 8, spacing groove 9, connecting plate 10, backup pad 11, support rib 12.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Example 1:
the novel structure of deformation is sent to screw torsion of preventing that this embodiment describes, as shown in fig. 1 and fig. 3, it includes connecting piece 1, median septum 2 and by connecting piece 3, be equipped with spliced pole 4 on the connecting piece 1, spliced pole 4 head is equipped with screw 5, be equipped with mounting hole 7 on by connecting piece 3, spliced pole 4 head is polygon column, be equipped with special-shaped through-hole 6 on the median septum 2, the shape and the spliced pole 4 head of special-shaped through-hole 6 correspond, and spliced pole 4 head stretches into special-shaped through-hole 6 and forms the cooperation with it, and the screw 5 on the spliced pole 4 aligns with mounting hole 7 simultaneously, and connecting piece 1 with be connected through screw (not shown in the figure) by connecting piece 3, the screw passes behind the mounting hole 7 and is connected with screw 5.
As shown in fig. 2, the connecting member 1 is a dehumidifier rear case, the connected member 3 is a fan bracket, the connecting columns 4 are symmetrically distributed on the side of the dehumidifier rear case, and the mounting holes 7 are correspondingly distributed on the side of the fan bracket.
In order to improve the connection strength, as shown in fig. 3 and 4, a bracket is arranged between the connecting column 4 and the connecting piece 1, the bracket comprises a connecting plate 10 for connecting the side surface of the connecting column 4 and the connecting piece 1 and a supporting plate 11 arranged at the tail part of the connecting column 4, and a plurality of supporting ribs 12 are arranged between the supporting plate 11 and the connecting plate 10.
In order to improve the limiting capacity of the special-shaped through hole 6 on the torque and torsion of the connecting column 4, the connecting column 4 is in interference fit with the special-shaped through hole 6.
In order to balance the stress, as shown in fig. 1 and 3, the head of the connecting column 4 is octagonal, and the irregular through hole 6 is octagonal.
It should be understood that, for the injection-molded parts connected by screws, the problem of torsional deformation may occur, the dehumidifier back shell and the fan bracket provided in this embodiment are only a preferred case in practical use, and do not limit the application scope of the deformation structure of this application, and it is fully possible for those skilled in the art to use the structure for the installation and connection of other devices such as air conditioners, humidifiers, and the like without creative work.
In the actual working process, when the connecting piece 1 and the connected piece 3 are installed by using screws, firstly, the connecting column 4 of the connecting piece 1 penetrates through the special-shaped through hole 6 on the middle partition board 2, then the screws penetrate through the installation holes 7 and are screwed into the screw holes 5, when the screws are screwed and pre-tightened, the torque applied to the screws is transmitted to the connecting column 4 through the internal threads of the screw holes 5, the connecting column 4 generates torsion trend and even generates micro rotation deformation, and at the moment, the special-shaped through hole 6 on the middle partition board 2 is matched with the special-shaped hole shaft formed at the head part of the connecting column 4, so that the special-shaped through hole 6 plays a role in limiting the rotation of the connecting column 4, and simultaneously, the special-shaped through hole 6 and the middle partition board 2 bear the torque transmitted by the connecting column 4 in one step, thereby avoiding the connecting piece 1 from torsion deformation caused by the torque transmitted by the connecting column 4, when the structure is used on the fan bracket and the rear shell of the dehumidifier, the rear shell can be prevented from deforming and the appearance can be maintained.
The novel prevent that screw torsion sends out deformation structure that this embodiment provided, the injection molding takes place the problem of deformation because of the moment of torsion when having solved the mounting screw, has improved the reliability of screw connection in the injection molding, to the shell structure who adopts screw connection, can also play the effect that improves appearance quality simultaneously.
Example 2:
the novel structure of deformation is caused to screw torsion that prevents that this embodiment describes, as shown in fig. 5, except embodiment 1 the characteristic, in order to further improve the ability of splining and reduce the pressure of centering baffle 2, the spliced pole 4 outside is equipped with stopper 8, it is equipped with the spacing groove 9 that supplies stopper 8 to pass to correspond on the dysmorphism through-hole 6.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (7)
1. The utility model provides a novel prevent that screw torsion sends out a shape structure, it includes connecting piece (1), median septum (2) and by connecting piece (3), be equipped with spliced pole (4) on connecting piece (1), spliced pole (4) head is equipped with screw (5), be equipped with mounting hole (7) on by connecting piece (3), characterized by spliced pole (4) head is polygon column, be equipped with special-shaped through-hole (6) on median septum (2), the shape and spliced pole (4) head of special-shaped through-hole (6) correspond, and spliced pole (4) head stretches into special-shaped through-hole (6) and forms the cooperation with it, and screw (5) on spliced pole (4) align with mounting hole (7) simultaneously, and connecting piece (1) with by connecting piece (3) through the screw connection, the screw passes behind mounting hole (7) and is connected with screw (5).
2. The novel structure for preventing the torsional deformation of the screw according to claim 1, wherein a limiting block (8) is arranged on the outer side of the connecting column (4), and a limiting groove (9) for the limiting block (8) to pass through is correspondingly arranged on the irregular through hole (6).
3. The novel structure for preventing the torsion deformation of the screw according to claim 1 or 2, wherein the connecting piece (1) is a dehumidifier rear shell, the connected piece (3) is a fan bracket, the connecting columns (4) are symmetrically distributed on the side of the dehumidifier rear shell, and the mounting holes (7) are correspondingly distributed on the side of the fan bracket.
4. The novel structure for preventing the torsional deformation of the screw as claimed in claim 1 or 2, wherein a bracket is arranged between the connecting column (4) and the connecting piece (1), the bracket comprises a connecting plate (10) for connecting the side surface of the connecting column (4) and the connecting piece (1) and a supporting plate (11) arranged at the tail part of the connecting column (4), and a plurality of supporting ribs (12) are arranged between the supporting plate (11) and the connecting plate (10).
5. The novel structure for preventing the torsional deformation of the screw as claimed in claim 3, wherein a bracket is arranged between the connecting column (4) and the connecting piece (1), the bracket comprises a connecting plate (10) for connecting the side surface of the connecting column (4) and the connecting piece (1) and a supporting plate (11) arranged at the tail part of the connecting column (4), and a plurality of supporting ribs (12) are arranged between the supporting plate (11) and the connecting plate (10).
6. The novel structure for preventing the torsional deformation of the screw as claimed in claim 1 or 2, wherein the connecting column (4) and the irregular through hole (6) are in interference fit.
7. The structure of claim 1 or 2, characterized in that the head of the connecting column (4) is octagonal, and the hole (6) is octagonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122308902.XU CN216080272U (en) | 2021-09-18 | 2021-09-18 | Novel structure for preventing screw torsion from deforming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122308902.XU CN216080272U (en) | 2021-09-18 | 2021-09-18 | Novel structure for preventing screw torsion from deforming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216080272U true CN216080272U (en) | 2022-03-18 |
Family
ID=80678316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122308902.XU Active CN216080272U (en) | 2021-09-18 | 2021-09-18 | Novel structure for preventing screw torsion from deforming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216080272U (en) |
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2021
- 2021-09-18 CN CN202122308902.XU patent/CN216080272U/en active Active
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