CN222208556U - Stainless steel screw - Google Patents
Stainless steel screw Download PDFInfo
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- CN222208556U CN222208556U CN202421114085.1U CN202421114085U CN222208556U CN 222208556 U CN222208556 U CN 222208556U CN 202421114085 U CN202421114085 U CN 202421114085U CN 222208556 U CN222208556 U CN 222208556U
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- stainless steel
- arc
- screw
- arc surface
- steel screw
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Abstract
The utility model discloses a stainless steel screw which comprises a nut part and a screw part, wherein the nut part is connected to one end of the screw part, the nut part is provided with an arc-shaped connecting surface, the arc-shaped connecting surface is arranged at one end of the nut part, which is opposite to the screw part, the arc-shaped connecting surface comprises a first cambered surface and a second cambered surface, the first cambered surface is arranged in the middle of the end face of the nut part, the second cambered surface is arranged on the periphery of the first cambered surface, and the first cambered surface and the second cambered surface are connected to form a complete cambered surface with continuous uniform transition. After the stainless steel screw is embedded into the preset fastening site, the arc-shaped connecting surface of the end surface of the nut part can improve the matching degree between the nut part and the plastic part, so that the connection stability and durability between the nut part and the plastic part are improved.
Description
Technical Field
The utility model relates to the technical field of screws, in particular to a stainless steel screw.
Background
Screws are a type of mechanical fastener used to secure objects together. It is typically made of metal and has a threaded rod and a tip with various head shapes. The screw can embed the thread of the screw rod into the material in a rotating manner, thereby producing a fastening effect. The screw shaft is threaded, and the threads can be external threads (for embedding materials) or internal threads (on the nut). The head of the screw has a plurality of shapes, such as flat head, round head, hexagonal head, etc., and different head shapes are suitable for different tools and uses. Common screw materials include steel, stainless steel, brass, and aluminum, with different materials providing different strength and corrosion resistance properties. Screws may be driven by a variety of tools including screwdrivers, wrenches, drills, and the like. Common drive types are cross grooves (Phillips), straight grooves (slot), hexagonal grooves (Hex), etc.
After the stainless steel screw is embedded into a preset fastening site, a plastic part is required to be sleeved on the nut part, the inner wall of the plastic part is generally arranged to be an arc surface, the arc surface is matched with the nut part to seal and protect the stainless steel screw, meanwhile, the impact of an external object on the stainless steel screw is avoided, the stainless steel screw is rotated to influence the fastening stability of the stainless steel screw, however, the conventional stainless steel screw is low in normal matching degree between the nut part and the corresponding plastic part, so that the plastic part sleeved on the surface of the nut part is easy to loose and fall, and the protection effectiveness of the plastic part on the screw is insufficient.
Disclosure of utility model
Accordingly, it is necessary to provide a stainless steel screw for solving the technical problem that the degree of fit between the nut portion and the corresponding plastic member is low in the conventional stainless steel screw.
The utility model provides a stainless steel screw, this stainless steel screw includes nut portion and screw portion, and the nut portion is connected in the one end of screw portion, and concrete, the nut portion is provided with the arc joint face, and the arc joint face sets up in the one end of nut portion back towards the screw portion.
The arc-shaped connecting surface comprises a first arc surface and a second arc surface, the first arc surface is arranged in the middle of the end surface of the nut part, the second arc surface is arranged on the periphery of the first arc surface, and the first arc surface and the second arc surface are connected to form a complete arc surface with continuous and uniform transition.
In one embodiment, the specific arrangement of the first cambered surface and the second cambered surface can be correspondingly adjusted according to the inner wall structure of the peripheral plastic part, so that the limit function of the arc connection surface to the plastic part is effectively improved while the matching degree between the nut part and the plastic part is improved.
In one embodiment, the first cambered surface is a quasi-local spherical surface with a circular edge.
In one embodiment, the second cambered surface is a hollow annular cambered surface.
In one embodiment, the nut portion is further provided with a mating groove, and the mating groove is disposed at an end of the nut portion opposite to the screw portion, that is, the mating groove is disposed at an end of the nut portion where the arc-shaped connection surface is disposed.
In one embodiment, the mating groove has an opening with an arc-shaped connecting surface, and is recessed toward the screw portion by a predetermined depth to form a mating groove body.
In one embodiment, the above-mentioned mating groove can be mated and connected with the inner wall of the plastic part, so as to further improve the connection stability between the nut portion and the plastic part, and at the same time, the mating groove can also be used for being mated and connected with an external driving mechanism (such as a screwdriver), so that the screwdriver can drive the stainless steel screw to rotate through the mating groove, so as to screw in or unscrew from a preset fastening site.
In one embodiment, the mating groove is a straight groove.
In one embodiment, the mating groove is configured as a cross-shaped groove.
In one embodiment, the screw portion includes a connecting end and a threaded end, the connecting end is disposed at one end of the screw portion, the threaded end is disposed at the other end of the screw portion, and an end face of the connecting end is connected with the nut portion.
In one embodiment, the threaded end is provided with an external thread, and the external thread extends from the end of the threaded end toward the connecting end by a preset distance, so as to form an external thread structure with a preset size.
In summary, after the stainless steel screw disclosed by the utility model is embedded into the preset fastening site, the arc-shaped connecting surface of the end surface of the nut part can improve the matching degree between the nut part and the plastic part, so that the connection stability and durability between the nut part and the plastic part are improved, the nut part is sealed and protected by the plastic part, and meanwhile, the impact of an external object on the stainless steel screw and the influence on the fastening stability of the stainless steel screw caused by rotating the stainless steel screw are avoided. The arc connecting surface comprises a first arc surface and a second arc surface, the specific arrangement of the first arc surface and the second arc surface can be correspondingly adjusted according to the inner wall structure of the peripheral plastic part, the limit function of the arc connecting surface to the plastic part is effectively improved when the matching degree between the screw cap part and the plastic part is improved, and particularly, the relative sliding between the plastic part and the arc connecting surface can be effectively avoided through the matching between the first arc surface, the second arc surface and the inner wall of the plastic part, so that the connection stability between the plastic part and the screw cap part is further improved.
Drawings
FIG. 1 is a schematic view of a stainless steel screw in one embodiment;
fig. 2 is a schematic view of the stainless steel screw of the embodiment of fig. 1 from another perspective.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Referring to fig. 1 and 2, the present utility model discloses a stainless steel screw 100, wherein the stainless steel screw 100 includes a nut portion 110 and a screw portion 120, the nut portion 110 is connected to one end of the screw portion 120, and specifically, the nut portion 110 is provided with an arc-shaped connecting surface 111, and the arc-shaped connecting surface 111 is disposed at an end of the nut portion 110 opposite to the screw portion 120. In practical application, after the stainless steel screw 100 is embedded into a preset fastening site, a plastic part needs to be sleeved on the nut portion 110, the inner wall of the plastic part is generally set to be an arc surface, the arc surface is matched with the nut portion 110 to seal and protect the stainless steel screw 100, meanwhile, the impact of an external object and the influence on the fastening stability of the stainless steel screw 100 caused by rotating the stainless steel screw 100 are avoided, the arc-shaped connecting surface 111 of the end surface of the nut portion 110 can improve the matching degree between the nut portion 110 and the plastic part, and then the connection stability and durability between the nut portion 110 and the plastic part are improved.
Referring to fig. 1 and 2, further, the arc connecting surface 111 includes a first arc surface 1111 and a second arc surface 1112, the first arc surface 1111 is disposed in the middle of the end surface of the nut portion 110, the second arc surface 1112 is disposed on the periphery of the first arc surface 1111, and the first arc surface 1111 and the second arc surface 1112 are connected to form a complete arc surface with a continuous and uniform transition. In practical application, the specific setting of first cambered surface 1111 and second cambered surface 1112 can be according to the inner wall structure of peripheral hardware plastic part and carry out corresponding adjustment, when promoting the cooperation degree between nut portion 110 and the plastic part, effectively promote the limiting displacement function of arc joint face 111 to the plastic part, specifically speaking, through the cooperation respectively between first cambered surface 1111, second cambered surface 1112 and the plastic part inner wall, can effectively avoid taking place relative slip between plastic part and the arc joint face 111 to this connection stability between further promotion plastic part and the nut portion 110. In one embodiment, the first cambered surface 1111 is configured as a quasi-partial spherical surface with rounded edges, and in one embodiment, the second cambered surface 1112 is configured as a hollow annular cambered surface.
Referring to fig. 1 and 2, further, the nut portion 110 is further provided with a mating groove 112, and the mating groove 112 is disposed at an end of the nut portion 110 opposite to the screw portion 120, that is, the mating groove 112 is disposed at an end of the nut portion 110 where the arc-shaped connection surface 111 is disposed. Specifically, the mating groove 112 has an arc-shaped connection surface 111 that is open and is recessed toward the screw portion 120 by a predetermined depth to form a groove body of the mating groove 112. In practical application, the mating groove 112 can be connected with the inner wall of the plastic part in a mating manner, so as to further improve the connection stability between the nut portion 110 and the plastic part, and meanwhile, the mating groove 112 can also be used for being connected with an external driving mechanism (such as a screwdriver) in a mating manner, so that the screwdriver can drive the stainless steel screw 100 to rotate through the mating groove 112 to screw in or screw out of a preset fastening site. In this embodiment, the mating groove 112 is configured as a straight groove body, and in another embodiment, the mating groove 112 is configured as a cross-shaped groove body.
Referring to fig. 1 and 2, further, the screw portion 120 includes a connection end 121 and a threaded end 122, the connection end 121 is disposed at one end of the screw portion 120, the threaded end 122 is disposed at the other end of the screw portion 120, and an end surface of the connection end 121 is connected to the nut portion 110. Specifically, the threaded end 122 is provided with an external thread extending from an end of the threaded end 122 toward the connection end 121 by a predetermined distance, thereby forming an external thread structure of a predetermined size. In practical applications, the stainless steel screw 100 is fastened in a matching manner by external threads at a predetermined fastening site.
In summary, after the stainless steel screw disclosed by the utility model is embedded into the preset fastening site, the arc-shaped connecting surface of the end surface of the nut part can improve the matching degree between the nut part and the plastic part, so that the connection stability and durability between the nut part and the plastic part are improved, the nut part is sealed and protected by the plastic part, and meanwhile, the impact of an external object on the stainless steel screw and the influence on the fastening stability of the stainless steel screw caused by rotating the stainless steel screw are avoided. The arc connecting surface comprises a first arc surface and a second arc surface, the specific arrangement of the first arc surface and the second arc surface can be correspondingly adjusted according to the inner wall structure of the peripheral plastic part, the limit function of the arc connecting surface to the plastic part is effectively improved when the matching degree between the screw cap part and the plastic part is improved, and particularly, the relative sliding between the plastic part and the arc connecting surface can be effectively avoided through the matching between the first arc surface, the second arc surface and the inner wall of the plastic part, so that the connection stability between the plastic part and the screw cap part is further improved.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421114085.1U CN222208556U (en) | 2024-05-21 | 2024-05-21 | Stainless steel screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421114085.1U CN222208556U (en) | 2024-05-21 | 2024-05-21 | Stainless steel screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222208556U true CN222208556U (en) | 2024-12-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421114085.1U Active CN222208556U (en) | 2024-05-21 | 2024-05-21 | Stainless steel screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222208556U (en) |
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2024
- 2024-05-21 CN CN202421114085.1U patent/CN222208556U/en active Active
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