CN220850310U

CN220850310U - Fastening screw

Info

Publication number: CN220850310U
Application number: CN202321043012.3U
Authority: CN
Inventors: 杨禕冰; 邓冰; 田乐
Original assignee: Yiyi Precision Hardware Shanghai Co ltd
Current assignee: Yiyi Precision Hardware Shanghai Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2024-04-26
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses a fastening screw, which comprises a screw rod, wherein the surface of the screw rod is provided with an outer peripheral wall integrally provided with an external thread; the clamping groove is formed in the screw; the nut structure is detachably connected with the screw rod through a clamping groove and is embedded into the clamping groove to drive the screw rod to rotate; the fastening cavity is arranged inside the screw rod and used for fastening the screw rod. The clamping block below the cap body can be inserted into the clamping groove through the clamping block, the cap body is conveniently pulled out and clamped into the screw rod, the screw rod is conveniently inserted into the clamping groove through the clamping block, then the screwdriver is inserted into the cross groove to rotate, the screw can be installed, after the screw is installed, the cap body is pulled out from the clamping groove through the clamping block, the nut structure is separated from the screw rod, the screw rod can be prevented from being easily detached through the disassembly of the nut structure, and the safety and the anti-theft performance are effectively improved.

Description

Fastening screw

Technical Field

The utility model relates to the technical field of screws, in particular to a fastening screw.

Background

The screw is a tool for fastening the parts of the device step by utilizing the physical and mathematical principles of the inclined circular rotation and friction force of the object. Screws are a common way of speaking fasteners, daily spoken words. Screws are an indispensable industrial necessity in daily life: very small screws for use in cameras, spectacles, watches, electronics, etc.; general screws for televisions, electrical products, musical instruments, furniture, and the like; as for engineering, construction and bridge, large-scale screws and nuts are used; traffic tools, airplanes, electric cars, automobiles and the like are used together by the large screws and the small screws.

At present, most of existing fastening screws are connected in an integrated mode between nuts and screws in the use process, the nuts are designed in a straight shape or a cross shape, and after being installed, the nuts are quite easy to detach by other tools, so that safety is low.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and comprises a screw, wherein the surface of the screw is provided with an external thread integrally formed on the peripheral wall; the clamping groove is formed in the screw rod; the nut structure is detachably connected with the screw rod through the clamping groove and is embedded into the clamping groove to drive the screw rod to rotate; the fastening cavity is formed in the screw rod and used for fastening the screw rod; the screw rod is internally provided with a lubricating structure which is used for avoiding screw rust.

Preferably, the fastening cavity is located above the clamping groove, the fastening cavity and the clamping groove are integrally formed above the clamping groove, and the diameter of the fastening cavity is larger than that of the clamping groove.

Preferably, the nut structure comprises a cap body, a cross groove is formed in the cap body, a clamping block is arranged below the cap body, and the clamping block and the cap body are integrally formed.

Preferably, the lubricating structure comprises an oil pipe, an oil outlet pipe is connected to the oil pipe, and a plurality of oil outlet pipes are arranged.

Preferably, a first oil outlet and a second oil outlet are arranged on the screw, the first oil outlet is connected with the oil pipe, and the second oil outlet is connected with the oil pipe.

Preferably, the screw is further provided with a fastening block, and the fastening block is positioned around the fastening cavity.

Preferably, the first oil outlet is positioned at the bottom of the screw rod, and the second oil outlet is positioned at the periphery of the screw rod.

Preferably, the clamping block is matched with the clamping groove, and the clamping block and the clamping groove are both in a hexagonal prism shape.

Preferably, the fastening block is provided in plurality.

Preferably, an oil inlet is formed in the clamping groove, and the oil inlet is located above the oil pipe.

The technical scheme has the following advantages or beneficial effects:

According to the screw cap, the clamping block below the cap body can be embedded into the clamping groove, the cap body can be conveniently pulled out and clamped into the screw rod, the cap body is embedded into the clamping groove through the clamping block, then the screw driver is embedded into the cross groove to rotate, so that the screw can be installed, after the screw cap is installed, the cap body is pulled out from the clamping groove through the clamping block, the nut structure is separated from the screw rod, the screw cap structure is detached, the screw is prevented from being easily detached, and the safety and the anti-theft performance are effectively improved.

Drawings

FIG. 1 is a schematic view of a fastening screw according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a fastening screw according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the structure of the shank of the fastening screw of FIG. 1;

fig. 4 is a top view of the shank of the fastening screw of fig. 1.

Legend description:

1. A screw; 2. an external thread; 3. a clamping groove; 4. a nut structure; 5. a fastening cavity; 6. a lubrication structure; 7. a first oil outlet; 8. a second oil outlet; 9. a fastening block; 10. an oil inlet; 41. a cap body; 42. a cross groove; 43. a clamping block; 61. oil pipe; 62. and an oil outlet pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

As shown in fig. 1 to 4, the fastening screw comprises a screw rod 1, wherein the surface of the screw rod 1 is provided with an external thread 2 integrally arranged on the peripheral wall; the clamping groove 3 is formed in the screw 1; the nut structure 4 is detachably connected with the screw 1 through the clamping groove 3, and the nut structure 4 is embedded into the clamping groove 3 and used for driving the screw 1 to rotate; the fastening cavity 5 is formed in the screw 1, and the fastening cavity 5 is used for fastening the screw 1; the lubrication structure 6 is arranged inside the screw 1, and the lubrication structure 6 is used for avoiding the screw from rusting; can dismantle with screw rod 1 through nut structure 4 and be connected, conveniently install and separate nut structure 4 and screw rod 1, the dismantlement of screw head can prevent that the screw main part from being dismantled easily, and the security theftproof nature obtains effectively promoting, warp through fastening chamber 5, promotes outside inflation of fastening piece 9 and object fixation, places not hard up, and rethread lubricating structure 6 can let in lubricating oil in to the screw, avoids the screw to rust, makes things convenient for the screw to take out.

As shown in fig. 1 and 2, further, an oil inlet 10 is formed in the clamping groove 3, the oil inlet 10 is located above the oil pipe 61, the fastening cavity 5 is located above the clamping groove 3, the fastening cavity 5 and the clamping groove 3 are integrally formed, and the diameter of the fastening cavity 5 is larger than that of the clamping groove 3; lubricating oil can be injected into the screw 1 through the oil inlet 10.

As shown in fig. 1 and 2, the nut structure 4 includes a cap 41, a cross groove 42 is formed on the cap 41, a clamping block 43 is arranged below the cap 41, and the clamping block 43 and the cap 41 are integrally formed; the clamping groove 3 can be embedded into the clamping block 43 below the cap body 41, the cap body 41 is conveniently pulled out and clamped into the screw 1, the clamping groove 3 is embedded into the cap body 41 through the clamping block 43, then the screwdriver is embedded into the cross groove 42 to rotate, the installation of the screw can be realized, after the installation is finished, the cap body 41 is pulled out from the clamping groove 3 through the clamping block 43, the nut structure 4 is separated from the screw 1, the screw is prevented from being easily detached by the disassembly of the nut structure 4, and the safety and the anti-theft performance are effectively improved.

Embodiment two:

As shown in fig. 1 and fig. 4, on the basis of the first embodiment, the present utility model provides a technical solution: the screw 1 is also provided with a fastening block 9, the fastening block 9 is positioned around the fastening cavity 5, the first oil outlet 7 is positioned at the bottom of the screw 1, the second oil outlet 8 is positioned around the screw 1, the clamping block 43 is matched with the clamping groove 3, the clamping block 43 and the clamping groove 3 are both in a hexagonal prism shape, and a plurality of fastening blocks 9 are arranged; after the screw is locked to a fixed position and the nut structure 4 is taken out, the fastening cavity 5 is knocked by using a hammer to deform the fastening cavity 5, the fastening blocks 9 around the fastening cavity 5 are pushed to expand outwards to be fixed with an object, the screw is placed to be loose, and the tightness of the screw is enhanced.

As shown in fig. 1 and 3, further, the lubrication structure 6 comprises an oil pipe 61, an oil outlet pipe 62 is connected to the oil pipe 61, a plurality of oil outlet pipes 62 are arranged, a first oil outlet 7 and a second oil outlet 8 are arranged on the screw 1, the first oil outlet 7 is connected with the oil pipe 61, and the second oil outlet 8 is connected with the oil outlet pipe 62; after the nut structure 4 is separated from the screw 1, lubricating oil is injected into the screw 1 through the oil inlet 10, flows downwards along the oil pipe 61 and the oil outlet pipe 62 until flowing out through the first oil outlet 7 and the second oil outlet 8, so that the lubricating oil is immersed in the outer wall of the screw 1, oiling maintenance is realized, and the condition that the screw 1 is difficult to twist due to rust is avoided.

Working principle: can dismantle with screw rod 1 through nut structure 4 and be connected, conveniently install and separate nut structure 4 and screw rod 1, the dismantlement of screw head can prevent that the screw main part from being dismantled easily, the security theftproof nature obtains effectively promoting, warp through fastening chamber 5, promote outside inflation of fastening piece 9 and object are fixed, place not hard up, rethread lubricating structure 6 can let in lubricating oil in the screw, avoid the screw to rust, make things convenient for the screw to take out, fixture block 43 through cap 41 below can imbed draw-in groove 3, conveniently take out cap 41 and card income screw rod 1, imbed draw-in groove 3 through fixture block 43 through cap 41, then rotate in the screwdriver embedding cross groove 42, can realize the installation of screw, cap 41 is taken out from draw-in groove 3 through fixture block 43 after the installation is accomplished, make nut structure 4 and screw rod 1 separate, the dismantlement of nut structure 4 can prevent that the screw from being dismantled easily, the security theftproof nature obtains effectively promoting.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The fastening screw comprises a screw rod (1) and is characterized in that an outer peripheral wall is integrally arranged on the surface of the screw rod (1) and provided with an external thread (2);

the clamping groove (3) is formed in the screw (1);

The screw cap structure (4) is detachably connected with the screw (1) through the clamping groove (3), and the screw cap structure (4) is embedded into the clamping groove (3) and used for driving the screw (1) to rotate;

the fastening cavity (5) is formed in the screw (1), and the fastening cavity (5) is used for fastening the screw (1);

The screw rod (1) is internally provided with a lubricating structure (6), and the lubricating structure (6) is used for avoiding screw rust.

2. A fastening screw according to claim 1, wherein: the fastening cavity (5) is located above the clamping groove (3), the fastening cavity (5) and the clamping groove (3) are integrally formed, and the diameter of the fastening cavity (5) is larger than that of the clamping groove (3).

3. A fastening screw according to claim 1, wherein: the nut structure (4) comprises a cap body (41), wherein a cross groove (42) is formed in the cap body (41), a clamping block (43) is arranged below the cap body (41), and the clamping block (43) and the cap body (41) are integrally formed.

4. A fastening screw according to claim 1, wherein: the lubricating structure (6) comprises an oil pipe (61), an oil outlet pipe (62) is connected to the oil pipe (61), and a plurality of oil outlet pipes (62) are arranged.

5. A fastening screw according to claim 1, wherein: the screw (1) is provided with a first oil outlet (7) and a second oil outlet (8), the first oil outlet (7) is connected with an oil pipe (61), and the second oil outlet (8) is connected with an oil outlet pipe (62).

6. A fastening screw according to claim 1, wherein: the screw rod (1) is also provided with a fastening block (9), and the fastening block (9) is positioned around the fastening cavity (5).

7. A fastening screw according to claim 5, wherein: the first oil outlet (7) is positioned at the bottom of the screw (1), and the second oil outlet (8) is positioned around the screw (1).

8. A fastening screw according to claim 3, wherein: the clamping block (43) is matched with the clamping groove (3), and the clamping block (43) and the clamping groove (3) are both hexagonal prism-shaped.

9. A fastening screw according to claim 6, wherein: the fastening block (9) is provided with a plurality of fastening blocks.

10. A fastening screw according to claim 1, wherein: an oil inlet (10) is formed in the clamping groove (3), and the oil inlet (10) is located above the oil pipe (61).