CN219761650U - Plastic cover plate and metal shell connecting structure - Google Patents
Plastic cover plate and metal shell connecting structure Download PDFInfo
- Publication number
- CN219761650U CN219761650U CN202321335460.0U CN202321335460U CN219761650U CN 219761650 U CN219761650 U CN 219761650U CN 202321335460 U CN202321335460 U CN 202321335460U CN 219761650 U CN219761650 U CN 219761650U
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- CN
- China
- Prior art keywords
- cover plate
- plastic cover
- metal shell
- connecting structure
- side wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002184 metal Substances 0.000 title claims abstract description 63
- 230000008602 contraction Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Connection Of Plates (AREA)
Abstract
The utility model provides a connecting structure of a plastic cover plate and a metal shell, which comprises the plastic cover plate and the metal shell, wherein a clamping head is formed on the side wall of the plastic cover plate along the extending direction of the surface of the plastic cover plate in a protruding way towards one side where the metal shell is located, a mounting opening for mounting the plastic shell is formed on the metal shell, a clamping groove which is inwards recessed along the direction perpendicular to the axis of the mounting opening is formed on the mounting opening and corresponds to the plastic cover plate, and the clamping head extends into the clamping groove so as to fix the plastic cover plate on the metal shell. The connecting structure is small in assembling difficulty, low in cost and space-saving.
Description
Technical Field
The utility model relates to the technical field of vehicle parts, in particular to a connecting structure of a plastic cover plate and a metal shell.
Background
With the improvement of automobile electronics, more and more electronic brake products/electronic steering products are applied to the market, and in order to reduce cost and assembly difficulty, a plastic cover plate is generally arranged on a metal shell of the electronic brake products/electronic steering products. Most of the plastic cover plates and the metal shells in the products are connected through screws, and the installation mode needs larger structural space, more parts and components, higher cost and larger gap after installation.
Disclosure of Invention
In view of the above, the utility model provides a connecting structure of a plastic cover plate and a metal shell, which has the advantages of less assembly difficulty, lower cost and space saving.
The utility model provides a connecting structure of a plastic cover plate and a metal shell, which comprises the plastic cover plate and the metal shell, wherein a clamping head is formed on the side wall of the plastic cover plate along the extending direction of the surface of the plastic cover plate in a protruding way towards one side where the metal shell is located, a mounting opening for mounting the plastic cover plate is formed on the metal shell, a clamping groove which is inwards recessed along the direction perpendicular to the axis of the mounting opening is formed on the mounting opening and corresponds to the plastic cover plate, and the clamping head stretches into the clamping groove so as to fix the plastic cover plate on the metal shell.
Further, the clamping head is arranged around the plastic cover plate, and the clamping groove is arranged on the inner side wall of the metal shell in a surrounding mode.
Further, a ring groove is formed in the side wall of the plastic cover plate, and the connecting structure of the plastic cover plate and the metal shell further comprises an O-shaped ring, wherein the O-shaped ring is located in the ring groove and is arranged between the plastic cover plate and the metal shell.
Further, the height of the clamping groove close to the side wall on the outer end face side of the mounting opening is smaller than the height of the clamping groove far away from the side wall on the outer end face side of the mounting opening, the height of the clamping head close to the side wall on the top side of the plastic cover plate is smaller than the height of the clamping head far away from the side wall on the top side of the plastic cover plate, and therefore the plastic cover plate is formed with a main body part and a first shrinkage part in the direction from the top to the bottom of the plastic cover plate.
Further, a guide part is formed on the plastic cover plate, the guide part, the first shrinkage part and the main body part are sequentially arranged, the diameter of the guide part is smaller than that of the first shrinkage part, a second shrinkage part is formed on the mounting opening of the metal shell, and when the plastic cover plate is combined with the metal shell, the guide part stretches into the second shrinkage part.
Further, the connecting structure of the plastic cover plate and the metal shell further comprises an O-shaped ring, a ring groove is formed in the guide portion, and the O-shaped ring is arranged in the ring groove and located between the guide portion and the second contraction portion.
Further, an arc-shaped channel edge is formed on the end part of the guide part, which is far away from the main body part, and the end part of the second contraction part, which faces the upper end surface of the mounting opening.
Further, reinforcing ribs are formed on the plastic cover plate.
In summary, in the utility model, by arranging the clamping head on the plastic cover plate and arranging the clamping groove at the mounting opening of the metal shell, the clamping head is clamped into the clamping groove by interference press-fitting during assembly, so as to fix the plastic cover plate and the metal shell. The installation mode is simpler, and a plurality of parts in the bolt installation mode in the prior art, such as bolts, gaskets and the like are abandoned, so that the cost is reduced, meanwhile, the installation mode of screw connection and the like is not required to be reserved for an assembly space, and the space is saved.
The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model, as well as the preferred embodiments thereof, together with the following detailed description of the utility model, given by way of illustration only, together with the accompanying drawings.
Drawings
Fig. 1 is a schematic axial structure diagram of a connection structure between a plastic cover plate and a metal housing according to an embodiment of the present utility model.
Fig. 2 is an exploded view of the connection structure of the plastic cover plate and the metal housing in fig. 1.
Fig. 3 is a schematic view of the axial side structure of the other side of the plastic cover plate in fig. 1.
Fig. 4 is a schematic front view of the connection structure of the plastic cover plate and the metal shell in fig. 1.
Fig. 5 is a schematic view showing a cross-sectional structure in the V-V direction in fig. 4.
Fig. 6 is an enlarged schematic view of the structure of fig. 5 at the circle.
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model to achieve the preset purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments.
The utility model provides a connecting structure of a plastic cover plate and a metal shell, which has the advantages of less assembly difficulty, lower cost and space saving.
Fig. 1 is a schematic axial structure diagram of a connection structure between a plastic cover plate and a metal housing according to an embodiment of the present utility model, fig. 2 is a schematic exploded structure diagram of the connection structure between the plastic cover plate and the metal housing in fig. 1, fig. 3 is a schematic axial structure diagram of the other surface of the plastic cover plate in fig. 1, fig. 4 is a schematic front view of the connection structure between the plastic cover plate and the metal housing in fig. 1, fig. 5 is a schematic cross-sectional structure diagram in the V-V direction in fig. 4, and fig. 6 is a schematic enlarged structure diagram at a circle in fig. 5. As shown in fig. 1 to 6, the connection structure of plastic cover plate and metal housing provided in the embodiment of the utility model comprises a plastic cover plate 10 and a metal housing 20, wherein a clamping head 11 is formed on the side wall of the plastic cover plate 10 along the extending direction of the plate surface of the plastic cover plate 10 and protrudes to the side where the metal housing 20 is located, a mounting opening 21 for mounting the plastic cover plate 10 is formed on the metal housing 20, a clamping groove 22 which is recessed inwards along the direction perpendicular to the axis of the mounting opening 21 is formed on the mounting opening 21 at the position corresponding to the plastic cover plate 10, and the clamping head 11 extends into the clamping groove 22, so that the plastic cover plate 10 is fixed on the metal housing 20.
In this embodiment, by arranging the chuck 11 on the plastic cover plate 10 and arranging the clamping groove 22 at the mounting opening 21 of the metal shell 20, during assembly, the chuck 11 is clamped into the clamping groove 22 by interference press-fitting, so as to fix the plastic cover plate 10 and the metal shell 20. The installation mode is simpler, and a plurality of parts in the bolt installation mode in the prior art, such as bolts, gaskets and the like are abandoned, so that the cost is reduced, meanwhile, the installation mode of screw connection and the like is not required to be reserved for an assembly space, and the space is saved.
Further, in the present embodiment, the chuck 11 is disposed around the plastic cover plate 10, that is, the chuck 11 is disposed on the side wall of the plastic cover plate 10 in a ring shape, and accordingly, the clamping groove 22 is disposed on the inner side wall of the metal housing 20 in a ring shape.
With continued reference to fig. 2 and 5, a ring groove 12 is further formed on a side wall of the plastic cover plate 10, and the connection structure further includes an O-ring 30, where the O-ring 30 is located in the ring groove 12 and disposed between the plastic cover plate 10 and the metal housing 20, so as to improve sealing performance.
Further, referring to fig. 5 and 6, in the present embodiment, the height of the sidewall of the clamping groove 22 near the outer end face side of the mounting opening 21 (i.e. the sidewall located at the upper part of the paper in fig. 6) is smaller than the height of the sidewall of the clamping groove 22 far from the outer end face side of the mounting opening 21 (i.e. the sidewall located at the lower part of the paper in fig. 6). Accordingly, the height of the sidewall of the chuck 11 near the top side of the plastic cover plate 10 (i.e., the sidewall of the chuck 11 located at the upper portion of the paper in fig. 6) is smaller than the height of the sidewall of the chuck 11 near the bottom side of the plastic cover plate 10 (i.e., the sidewall of the chuck 11 located at the lower portion of the paper in fig. 6), so that the plastic cover plate 10 is formed with the main body portion 13 and the first constricted portion 14 in the top-to-bottom direction of the plastic cover plate 10, in other words, the diameter of the first constricted portion 14 is smaller than the diameter of the main body portion 13. Through foretell setting, can enough make dop 11 enter into draw-in groove 22 comparatively easily, can make again after stretching into draw-in groove 22 with dop 11, the lateral wall of draw-in groove 22 side of keeping away from the terminal surface one side of installing port 21 carries out firm support to dop 11, guarantees the firm of both combinations.
Further, a guide portion 15 is formed on the plastic cover plate 10, and the guide portion 15, the first constricted portion 14 and the main body portion 13 are sequentially provided, and the diameter of the guide portion 15 is smaller than the diameter of the first constricted portion 14. A second constriction 23 is formed on the mounting opening 21 of the metal housing 20, and the guide 15 extends into the second constriction 23 to guide the mounting of the plastic cover 10 when the plastic cover 10 is coupled to the metal housing 20.
The ring groove 12 is located on the guide portion 15, and the O-ring 30 is located between the guide portion 15 and the second constricted portion 23.
Further, arc-shaped guide edges are formed at the end of the guide portion 15 on the side away from the main body portion 13 and at the end of the second constricted portion 23 on the side toward the upper end face of the mounting port 21, to further guide the mounting of the plastic cover plate 10 and the metal housing 20.
With continued reference to fig. 2, 3, 5 and 6, in order to increase the strength of the plastic cover 10, reinforcing ribs 16 are further formed on the plastic cover 10.
In summary, in the present utility model, the clamping head 11 is arranged on the plastic cover plate 10, and the clamping groove 22 is arranged at the mounting opening 21 of the metal shell 20, so that the clamping head 11 is clamped into the clamping groove 22 by interference press-fitting during assembly, thereby completing the fixation of the plastic cover plate 10 and the metal shell 20. The installation mode is simpler, and a plurality of parts in the bolt installation mode in the prior art, such as bolts, gaskets and the like are abandoned, so that the cost is reduced, meanwhile, the installation mode of screw connection and the like is not required to be reserved for an assembly space, and the space is saved.
The present utility model is not limited to the above-mentioned embodiments, but is intended to be limited to the following embodiments, and any modifications, equivalent changes and variations in the above-mentioned embodiments can be made by those skilled in the art without departing from the scope of the present utility model.
Claims (8)
1. A plastic cover plate and metal shell connecting structure is characterized in that: the plastic cover plate comprises a plastic cover plate and a metal shell, wherein a clamping head is formed on the side wall of the plastic cover plate along the extending direction of the surface of the plastic cover plate in a protruding mode to one side where the metal shell is located, a mounting opening for mounting the plastic cover plate is formed on the metal shell, a clamping groove which is perpendicular to the axis direction of the mounting opening and is inwards concave is formed in the position, corresponding to the plastic cover plate, of the mounting opening, and the clamping head stretches into the clamping groove so that the plastic cover plate is fixed on the metal shell.
2. The plastic cover plate and metal shell connecting structure according to claim 1, wherein: the clamping head surrounds the plastic cover plate, and the clamping groove is arranged on the inner side wall of the metal shell in a surrounding mode.
3. The plastic cover plate and metal shell connecting structure according to claim 1, wherein: the side wall of the plastic cover plate is also provided with a ring groove, the connecting structure of the plastic cover plate and the metal shell further comprises an O-shaped ring, and the O-shaped ring is positioned in the ring groove and is arranged between the plastic cover plate and the metal shell.
4. The plastic cover plate and metal shell connecting structure according to claim 1, wherein: the clamping groove is smaller than the height of the side wall of the side face of the outer end face of the mounting hole, the clamping groove is far away from the side wall of the side face of the outer end face of the mounting hole, the height of the side wall of the clamping head, which is close to the top of the plastic cover plate, is smaller than the height of the side wall of the clamping head, which is far away from the top of the plastic cover plate, so that the plastic cover plate is provided with a main body part and a first shrinkage part along the direction from the top to the bottom of the plastic cover plate.
5. The plastic cover plate and metal shell connecting structure according to claim 4, wherein: the plastic cover plate is provided with a guide part, the first shrinkage part and the main body part are sequentially arranged, the diameter of the guide part is smaller than that of the first shrinkage part, the mounting opening of the metal shell is provided with a second shrinkage part, and when the plastic cover plate is combined with the metal shell, the guide part stretches into the second shrinkage part.
6. The plastic cover plate and metal shell connecting structure according to claim 5, wherein: the connecting structure of the plastic cover plate and the metal shell further comprises an O-shaped ring, wherein an annular groove is formed in the guide part, and the O-shaped ring is arranged in the annular groove and is positioned between the guide part and the second contraction part.
7. The plastic cover plate and metal shell connecting structure according to claim 5, wherein: an arc-shaped channel edge is formed on the end part of the guide part, which is far away from one side of the main body part, and the end part of the second contraction part, which faces one side of the upper end face of the mounting opening.
8. The plastic cover plate and metal shell connecting structure according to claim 1, wherein: reinforcing ribs are formed on the plastic cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321335460.0U CN219761650U (en) | 2023-05-29 | 2023-05-29 | Plastic cover plate and metal shell connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321335460.0U CN219761650U (en) | 2023-05-29 | 2023-05-29 | Plastic cover plate and metal shell connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219761650U true CN219761650U (en) | 2023-09-26 |
Family
ID=88071800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321335460.0U Active CN219761650U (en) | 2023-05-29 | 2023-05-29 | Plastic cover plate and metal shell connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219761650U (en) |
-
2023
- 2023-05-29 CN CN202321335460.0U patent/CN219761650U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |