CN211314820U - Screw bracket attached to lock - Google Patents
Screw bracket attached to lock Download PDFInfo
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- CN211314820U CN211314820U CN201922382516.8U CN201922382516U CN211314820U CN 211314820 U CN211314820 U CN 211314820U CN 201922382516 U CN201922382516 U CN 201922382516U CN 211314820 U CN211314820 U CN 211314820U
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- screw
- lock
- hole
- groove
- thermoplastic material
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Abstract
The utility model relates to a lock attaches screw bracket, it includes: a first portion having a recessed hole formed therein, the recessed hole having an annular groove formed therein, the first portion being made of a thermoplastic material; the second part is embedded in the first part, an annular bump is arranged on the peripheral surface of the second part and located in the groove, a screw mounting hole is formed in the second part, and the second part is made of a thermosetting material. The second part is not easy to fall off from the embedding hole of the first part, the screw mounting hole in the second part is used for mounting the locking screw, the second part is made of a thermosetting material, the first part is made of a thermoplastic material, so that the second part in contact with the locking screw can bear high pressure and high temperature, the service life is prolonged, and in addition, the first part is still made of the thermoplastic material, so that the manufacturing cost cannot be obviously increased.
Description
Technical Field
The utility model relates to a support especially relates to a lock attaches screw bracket.
Background
In a lock screw bracket, for example, a bracket used in an electric saw engine, a mounting hole is formed thereon for mounting a lock screw. However, the locking screw is stressed greatly, so that a bracket for mounting the locking screw is easily deformed under the influence of high stress and high temperature.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lock attaches screw bracket, even receive the lock to attach the influence of screw high pressure and high temperature also indeformable.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a lock attaches screw bracket, it includes:
a first portion having a recessed hole formed therein, the recessed hole having an annular groove formed therein, the first portion being made of a thermoplastic material;
the second part is embedded in the first part, an annular bump is arranged on the peripheral surface of the second part and located in the groove, a screw mounting hole is formed in the second part, and the second part is made of a thermosetting material.
Optionally, a plane section i is further arranged on the periphery of the bump, a plane section ii is arranged in the groove, and the plane section i is attached to the plane section ii.
Optionally, the groove is at a distance from both ends of the embedding hole.
Optionally, both ends of the second portion are flush with the peripheries of both ends of the embedding hole.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model discloses a lock attaches screw bracket, because including first portion and second portion, wherein, the first portion is provided with the embedding hole, the second portion is inlayed in the embedding hole, be provided with annular recess in the embedding hole, the global of second portion is provided with annular lug, the lug is located the recess, thereby make the second portion be difficult for coming off from the embedding hole of first portion, the screw mounting hole in the second portion is used for the installation lock to attach the screw, make by thermosetting material through setting up the second portion, the first portion is made by thermoplastic material, thereby make and attach the second portion that the screw contacted with the lock and can withstand high pressure and high temperature, thereby improve life, in addition, thereby the first portion still is made by thermoplastic material and can not show increase manufacturing cost.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic structural view of a conventional screw locking bracket, which is an integrally molded injection-molded part;
FIG. 2 is a perspective view of the preferred embodiment of the screw bracket of the present invention;
FIG. 3 is a perspective view of a first portion of FIG. 2;
FIG. 4 is a perspective view of a second portion of FIG. 2;
FIG. 5 is a cross-sectional view through the central axis of the insert hole of FIG. 3;
FIG. 6 is an enlarged schematic view at A in FIG. 5;
wherein the reference numerals are as follows:
1. a first portion; 11. embedding holes; 12. a groove;
2. a second portion; 21. a bump; 22. a screw mounting hole; 23. a plain section I;
22' and screw mounting holes.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, the conventional screw locking bracket is integrally formed, and has screw mounting holes 22 'and 22' for mounting screws, and the bracket is used in an electric saw engine, but during use, it is found that the screws bring high pressure and high temperature to the periphery of the screw mounting holes 22 ', so that the bracket part around the screw mounting holes 22' is deformed, and the screws are loosened. Improvements are therefore needed.
Fig. 2 shows a screw locking bracket of this embodiment, which includes a first portion 1 and a second portion 2, wherein two embedding holes 11 are provided in the first portion 1, and one second portion 2 is embedded in each of the embedding holes 11. The second part 2 has screw mounting holes 22 provided therein, the screw mounting holes 22 being for mounting screws.
As shown in fig. 3, the insertion hole 11 is provided with an annular groove 12, fig. 5 and 6 show the structure of the groove 12 more clearly, and as shown in fig. 4, the circumferential surface of the second portion 2 is provided with an annular projection 21. Wherein the projection 21 is located in the groove 12, thereby limiting the axial displacement of the second part 2 relative to the first part 1.
In order to restrict the second part 2 from moving axially in both axial forward and backward directions, so that the second part 2 can be fixed without other members, the groove 12 is located at a distance from both ends of the insertion hole 11.
As shown in fig. 4, in order to limit the rotation of the second portion 2 about the axis, a flat section i 23 is provided on the periphery of the second portion 2, in particular on the periphery of the projection 21, and a corresponding flat section ii (not shown in fig. 3, 5 and 6) is provided in the groove 12, the flat section i 23 and the flat section ii being engaged, thereby limiting the rotation of the second portion 2 about the axis.
As shown in fig. 2, the two ends of the second portion 2 are flush with the peripheries of the two ends of the insertion hole 11, so that the screw can be conveniently installed and stabilized.
In this example, the first part 1 is made of a thermoplastic material and the second part 2 is made of a thermosetting material. The manufacturing method of the whole locking screw bracket comprises the steps of firstly carrying out injection molding on the second part 2, then placing the second part 2 into a forming die for injection molding of the first part 1, and embedding the second part 2 into the first part 1 in an injection molding mode. The first part 1 is shaped to form the recess 12 naturally, since the second part 2 is provided with a projection 21 on its periphery.
The second part 2 has high hardness and high heat resistance, so that the second part 2 is not easy to deform under the action of high pressure and high temperature of screws installed in the screw installation holes 22, the overall strength of the screw locking bracket is improved, and in addition, the first part 1 which accounts for most of the second part is still made of thermoplastic materials, so that the production cost cannot be obviously increased.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (4)
1. A lock attaches screw support, its characterized in that, it includes:
a first part (1), a fitting hole (11) being provided in the first part (1), an annular groove (12) being provided in the fitting hole (11), the first part (1) being made of a thermoplastic material;
a second part (2), wherein the second part (2) is embedded in the first part (1), the periphery of the second part (2) is provided with an annular bump (21), the bump (21) is positioned in the groove (12), a screw mounting hole (22) is arranged in the second part (2), and the second part (2) is made of a thermosetting material.
2. The lock-attaching screw bracket according to claim 1, characterized in that: the periphery of the bump (21) is further provided with a plain noodles I (23), a plain noodles II is arranged in the groove (12), and the plain noodles I (23) are attached to the plain noodles II.
3. The lock-attaching screw bracket according to claim 1, characterized in that: the groove (12) has a certain distance from both ends of the embedding hole (11).
4. The lock-attaching screw bracket according to claim 1, characterized in that: the two ends of the second part (2) are flush with the peripheries of the two ends of the embedding hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922382516.8U CN211314820U (en) | 2019-12-26 | 2019-12-26 | Screw bracket attached to lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922382516.8U CN211314820U (en) | 2019-12-26 | 2019-12-26 | Screw bracket attached to lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211314820U true CN211314820U (en) | 2020-08-21 |
Family
ID=72055738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922382516.8U Active CN211314820U (en) | 2019-12-26 | 2019-12-26 | Screw bracket attached to lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211314820U (en) |
-
2019
- 2019-12-26 CN CN201922382516.8U patent/CN211314820U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |