Inside and outside toothed slot screw
By designing internal and external threaded slot screws, the problems of loosening and damage of existing screws during wire connection are solved, achieving stable clamping and multi-functional use, and enhancing structural strength and aesthetics.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YU-HUANG ELECTRONICS DONGGUAN CO LTD
- Filing Date
- 2025-08-11
- Publication Date
- 2026-08-04
AI Technical Summary
Existing screws are prone to loosening or damage when connecting wires, and lack the functions of threading and nuts, failing to meet diverse usage needs.
Design an internal and external threaded slot screw, comprising a head and a screw shank. The end of the screw shank near the head has a partition to form a wiring groove. The head has a drive groove that communicates with a threaded hole. The screw shank has a threaded hole on its central axis. The head is circular in shape. The partition and the head are connected by a bevel. The bottom surface of the wiring groove is smooth. The drive groove is hexagonal. The screw shank and the head are an integral structure.
It achieves a secure clamping of the connecting wire, preventing loosening and damage, while also providing wire threading and nut functions, thus improving versatility and structural strength.
Smart Images

Figure CN224592519U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of screw technology, specifically to a screw with internal and external thread grooves. Background Technology
[0002] Existing screws are primarily used for fixing or assembling components, achieving their fastening function through the engagement of their threads. Common screw types include hex socket screws, Phillips head screws, and slotted screws, all consisting of a head and a threaded shank connected to that head. While these screws fulfill their fastening function, they have no other special uses. When connecting to a cable, the cable is directly tied to the threaded shank, and then the shank is screwed into the threaded hole. If not tightened properly, it can easily loosen; if tightened too much, it can compress the cable, causing damage or even breakage, affecting its normal use. Furthermore, they do not function as threading devices or nuts. Utility Model Content
[0003] To address the aforementioned shortcomings, the purpose of this utility model is to provide a screw with a reasonable structural design and internal / external threaded groove for installing connecting wires.
[0004] To achieve the above objectives, the technical solution provided by this utility model is as follows:
[0005] A type of internal and external threaded slot screw includes a head and a screw portion connected to the head. The screw portion has a partition portion at one end near the head, and a wiring groove is formed between the partition portion and the head. A threaded hole is provided on the central axis of the screw portion and extends along its axial direction. A drive groove is provided on the end face of the head, and the drive groove communicates with the threaded hole.
[0006] As a preferred embodiment of this utility model, the connection between the partition and the screw is provided with an inclined surface, resulting in a good connection effect.
[0007] As a preferred embodiment of this utility model, the bottom surface of the wiring groove is a smooth surface, without burrs or protrusions, which makes it less likely to damage the connecting wires.
[0008] As a preferred embodiment of this utility model, the head has a circular outline to avoid sharp edges from hitting cables or other components, and it is also aesthetically pleasing and highly versatile.
[0009] In a preferred embodiment of this invention, the drive groove is hexagonal in shape. It can be driven using a hex wrench, resulting in high torque transmission efficiency and preventing slippage.
[0010] As a preferred embodiment of this utility model, the thickness of the head is greater than the thickness of the partition, providing greater torque bearing capacity and increasing structural strength.
[0011] As a preferred embodiment of this utility model, the thickness of the partition is greater than the width of the cable tray, forming a more stable blocking structure to prevent the connecting wire from being squeezed. In addition, the width of the cable tray is narrow to prevent the connecting wire from shaking and becoming loose.
[0012] As a preferred embodiment of this utility model, the screw part and the head are integrally connected, which is firm, not easy to break, and has good structural stability.
[0013] The beneficial effects of this utility model are as follows: The structure of this utility model is reasonably designed. It utilizes the space between the partition and the head to form an annular cable tray, which is specifically used to accommodate the connecting wire. When tightening, the partition acts as a physical divider and block, and the partition will press against the mounting surface, so that the space of the cable tray itself is preserved, preventing the connecting wire from being squeezed. At the same time, the threaded hole can be used as a wire passage or screwed into another screw as a nut. It has multiple functions and meets different needs.
[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the front sectional view of this utility model.
[0016] Figure 2 This is a side view of the structure of this utility model. Detailed Implementation
[0017] See Figure 1 and Figure 2 This embodiment provides an internal / external threaded slot screw, which includes a head 1 and a threaded portion 2 connected to the head 1. The threaded portion 2 and the head 1 are preferably integrally connected, and can be integrally formed from a single material through forging, turning, or other processes. There are no welding, bonding, or assembly connection points, resulting in a strong connection that is not easily broken. The overall structure can withstand greater loads and torques. The head 1 is preferably circular in shape to avoid sharp edges from hitting cables or other components, and it is also aesthetically pleasing and highly versatile.
[0018] The screw portion 2 has a baffle portion 3 near the head 1. Preferably, the thickness of the head 1 is greater than the thickness of the baffle portion 3 to provide greater torque bearing capacity and increase structural strength. Preferably, the connection between the baffle portion 3 and the screw portion 2 has a bevel to enhance structural strength and improve connection performance. A wiring groove 4 is formed between the baffle portion 3 and the head 1. Preferably, the thickness of the baffle portion 3 is greater than the width of the wiring groove 4. The baffle portion 3 forms a more stable blocking structure, preventing the connecting wire from being squeezed. Furthermore, the narrow width of the wiring groove 4 prevents the connecting wire from shaking and becoming loose. Preferably, multiple helical teeth are symmetrically arranged in a circle on the surface of the baffle portion 3 facing the screw portion 2. The tips of the helical teeth face the same direction as the thread of the screw portion 2. When tightened, the surface of the baffle portion 3 presses against the surface of the object, causing the helical teeth to tightly engage with the surface, preventing loosening due to vibration, providing good anti-slip effect and high stability.
[0019] The bottom surface of the cable tray 4 is preferably a smooth surface, without burrs or protrusions, to minimize the risk of the connecting cable being worn or scratched.
[0020] The screw section 2 has a threaded hole 5 extending along its axial direction on its central axis, and the end face of the head 1 has a drive groove 6, which is preferably hexagonal in shape. A standard Allen wrench can be inserted into the drive groove 6 for rotation. The hexagonal shape provides six evenly distributed force-bearing surfaces, which fit tightly with the wrench, resulting in high torque transmission efficiency and preventing slippage.
[0021] The drive groove 6 is connected to the threaded hole 5 to form a through hole structure, which allows the wire to pass through the center of the screw and meets the needs of wire threading.
[0022] In use, the external thread of the screw part 2 is screwed into the target screw hole to achieve the basic fastening function. During fastening, the partition part 3 acts as a physical separator, pressing against the mounting surface and preserving the space of the cable tray 4; at this time, the connecting wire can be wrapped around the cable tray 4. Simultaneously, since the drive groove 6 is connected to the threaded hole 5, the threaded hole 5 can be used as a wire passage for threading. Alternatively, another screw can be screwed into the threaded hole 5 to function as a nut, meeting different usage needs and offering multiple applications.
[0023] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to this utility model should also fall within the protection scope of the claims of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model. As described in the above embodiments of this utility model, other screws obtained using the same or similar structures are all within the protection scope of this utility model.
Claims
1. A type of internal and external threaded slotted screw, comprising a head and a threaded shank connected to the head, characterized in that, The screw section has a partition at one end near the head, and a wiring groove is formed between the partition and the head. The screw section has a threaded hole extending along its axial direction on its central axis. The end face of the head has a drive groove, and the drive groove is connected to the threaded hole.
2. The internal and external threaded slot screw according to claim 1, characterized in that: The connection between the partition and the screw is provided with an inclined surface.
3. The internal and external threaded slot screw according to claim 1, characterized in that: The bottom surface of the wiring trough is a smooth surface.
4. The internal and external threaded slot screw according to claim 1, characterized in that: The head has a circular outline.
5. The internal and external threaded slot screw according to claim 1, characterized in that: The drive slot is hexagonal in shape.
6. The internal and external threaded slot screw according to claim 1, characterized in that: The thickness of the head is greater than the thickness of the partition.
7. The internal and external threaded slot screw according to claim 6, characterized in that: The thickness of the partition is greater than the width of the wiring groove.
8. The internal and external threaded slot screw according to any one of claims 1-7, characterized in that: The screw section and the head are integrally connected.