CN219549326U

CN219549326U - Lock screw of outer hexagon head toothed recess flange

Info

Publication number: CN219549326U
Application number: CN202223349705.3U
Authority: CN
Inventors: 刘金伟; 崔富轲; 田永军
Original assignee: Guangdong Fasite Precision Hardware Co ltd
Current assignee: Guangdong Fasite Precision Hardware Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-08-18
Anticipated expiration: 2032-12-14

Abstract

The utility model relates to the technical field of hardware fittings, in particular to a locking screw of an outer hexagon head toothed recess flange, which comprises a screw rod, wherein a hexagon nut is arranged at the top end of the screw rod; the bottom of the hexagonal nut is provided with an anti-loosening flange, and the bottom surface of the anti-loosening flange is provided with a plurality of concave-convex toothed pockets which are uniformly and equidistantly annularly arranged; the bottom surface of locking ring flange is the installation screw connection in hexagonal nut's bottom surface that the annular arrangement is through a plurality of even equidistance, and the bottom surface on stainless steel layer is provided with the silica gel cover, has offered on the silica gel cover with toothed cave size looks adaptation and joint complex recess. According to the anti-loosening flange with the toothed concave cavities, which is disclosed by the utility model, the loosening can be effectively prevented, the connection quality is ensured, the stability is improved, the anti-loosening flange is connected to the bottom surface of the hexagonal nut through a plurality of groups of mounting screws, the anti-loosening flange is convenient to mount or dismount, and when the anti-loosening flange is damaged, the anti-loosening flange can be independently replaced, so that the maintenance cost is saved.

Description

Lock screw of outer hexagon head toothed recess flange

Technical Field

The utility model relates to the technical field of hardware fittings, in particular to a locking screw of an outer hexagon toothed concave-groove flange.

Background

The screw is a tool for gradually fastening a machine part by utilizing the physical and mathematical principles of the inclined plane circular rotation and friction force of an object, the screw is a general expression of a fastener, and the general screw is easy to loose due to external force in the use process, so that the installation stability is poor.

Publication (bulletin) number: CN216343333U discloses a screw for preventing loosening, which solves the problem that a general screw is easy to loosen due to external force in the use process, resulting in poor installation stability, and comprises a ring body, wherein the ring body is connected with a threaded rod, and the threaded rod is connected with a spike part; spiral bulges are formed on the threaded rod, and anti-loosening grooves are uniformly formed on the spiral bulges; a front inclined plane and a rear inclined plane are formed in the anti-loosening groove, the angle between the front inclined plane and the horizontal plane is 90-180 degrees, and the angle between the rear inclined plane and the horizontal plane is 90-180 degrees; according to the utility model, through the anti-loosening groove, after installation, under the reaction of force, the extruded surface rebounds and then enters the anti-loosening groove, the vertical section of the front inclined surface and the spiral bulge is an acute angle, so that the forward screwing of the spiral bulge can be ensured, and the resistance of the spiral bulge in the reverse rotation is high, thereby avoiding loosening of the screw. The screw can ensure forward screwing of the screw boss, but the screw is complex in structure and poor in anti-loosening effect when in contact with a fitting.

Disclosure of Invention

The utility model aims to provide a locking screw of an outer hexagon head toothed concave-groove flange, which solves the problems that in the prior art, the structure of the screw is complex, and the locking effect is poor when the screw contacts with a fitting.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the anti-loose screw with the outer hexagonal head provided with the toothed concave-groove flange comprises a screw rod, wherein a hexagonal nut is arranged at the top end of the screw rod;

the bottom of the hexagonal nut is provided with an anti-loosening flange, and the bottom surface of the anti-loosening flange is provided with a plurality of concave-convex toothed pockets which are uniformly and equidistantly annularly arranged;

the bottom surface of the anti-loose flange plate is connected to the bottom surface of the hexagonal nut through a plurality of uniformly equidistant mounting screws which are annularly arranged.

Preferably, the screw rod and the hexagonal nut are both made of stainless steel and are integrally formed.

Preferably, the number of the mounting screws is at least three.

Preferably, the anti-loosening flange plate comprises a metal plate, the bottom surface of the metal plate is a stainless steel layer, and the toothed concave holes are formed in the bottom surface of the stainless steel layer.

Preferably, a silica gel sleeve is arranged on the bottom surface of the stainless steel layer, and a groove matched with the toothed cavity in size in a clamping manner is formed in the silica gel sleeve.

Preferably, the thickness of the silica gel sleeve is 0.5-1mm.

Preferably, a thread groove which is matched with the diameter of the screw rod in size and is in threaded connection is formed in the center of the anti-loosening flange plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the anti-loose screw of the outer hexagon toothed recess flange, the anti-loose flange plate with the toothed recess is arranged at the bottom of the hexagon nut, so that looseness can be effectively prevented, connection quality is guaranteed, stability is improved, the anti-loose flange plate is connected to the bottom surface of the hexagon nut through a plurality of groups of mounting screws, installation or disassembly is facilitated, and after the anti-loose flange plate is damaged, the anti-loose flange plate can be independently replaced, so that maintenance cost is saved.

2. In the locking screw of the outer hexagon toothed concave-groove flange, the center of the locking flange is provided with a thread groove which is matched with the diameter of the screw rod in size and is in threaded connection, so that the locking flange is convenient to install or detach, and the stability is improved.

3. In the lock screw of this outer hexagon toothed recess flange, the bottom surface on stainless steel layer is provided with the silica gel cover, set up on the silica gel cover with toothed recess size looks adaptation and joint complex recess, improve anti-skidding effect through the silica gel cover that sets up for locking effect is better.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain, however, the utility model.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

fig. 3 is a schematic structural view of the locking bolt of the present utility model.

Meaning of each reference numeral in the drawings:

10. a screw rod;

20. a hexagonal nut;

30. an anti-loose flange plate; 31. a toothed pocket; 32. installing a screw; 301. a metal plate; 302. a stainless steel layer; 303. and a silica gel sleeve.

Detailed Description

The following description of embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.

In the description of the present utility model, it should be understood that the terms "center", "vertical", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

1-3, the anti-loose screw with a toothed recess flange of an outer hexagonal head comprises a screw rod 10, wherein a hexagonal nut 20 is arranged at the top end of the screw rod 10; the bottom of the hexagonal nut 20 is provided with an anti-loosening flange 30, and the bottom surface of the anti-loosening flange 30 is provided with a plurality of toothed concave holes 31 which are uniformly and equidistantly annularly arranged and are concave-convex; the bottom surface of locking flange 30 is the bottom surface that the ring arrangement is in hexagon nut 20 through a plurality of even equidistance mounting screw 32 and connects, through the locking flange 30 at hexagon nut 20 bottom installation toothed cave 31, can prevent not hard up effectively, ensure connection quality, improve stability, and locking flange 30 passes through multiunit mounting screw 32 to be connected in hexagon nut 20's bottom surface, be convenient for install or dismantle, after locking flange 30 damages, can change alone, practice thrift cost of maintenance.

It should be noted that, the screw rod 10 and the hexagonal nut 20 are made of stainless steel and are of an integrally formed structure, the number of the mounting screws 32 is at least three, and the nuts of the mounting screws 32 are embedded in the anti-loose flange 30 to prevent protrusion.

Further, the anti-loosening flange 30 includes a metal plate 301, the bottom surface of the metal plate 301 is a stainless steel layer 302, and the toothed pits 31 are formed on the bottom surface of the stainless steel layer 302, so as to improve stability.

Specifically, the bottom surface of stainless steel layer 302 is provided with silica gel cover 303, has seted up on the silica gel cover 303 with toothed cave 31 size looks adaptation and joint complex recess, improves anti-skidding effect through the silica gel cover 303 that sets up for locking effect is better.

In addition, the thickness of the silica gel sleeve 303 is 0.5-1mm, and a thread groove which is matched with the diameter of the screw rod 10 in size and is in threaded connection is formed in the center of the anti-loosening flange 30, so that the anti-loosening flange 30 can be conveniently installed or detached, and the stability is improved.

The utility model relates to a working principle of a locking screw of an outer hexagon head toothed concave-groove flange, which comprises the following steps: during installation, an operator sleeves the anti-loosening flange 30 on the screw rod 10 and connects the anti-loosening flange 30 on the bottom surface of the hexagonal nut 20 through a plurality of groups of mounting screws 32, as shown in fig. 2, when in use, the operator installs the screw rod 10 on a fitting to be fixed until the toothed concave recess 31 on the bottom surface of the anti-loosening flange 30 is in contact locking with the surface of the fitting.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A lock screw of outer hexagon toothed recess flange, its characterized in that: comprises a screw rod (10), wherein a hexagonal nut (20) is arranged at the top end of the screw rod (10);

the bottom of the hexagonal nut (20) is provided with an anti-loosening flange (30), and the bottom surface of the anti-loosening flange (30) is provided with a plurality of uniformly and equidistantly annularly arranged concave holes (31) with teeth in concave-convex shape;

the bottom surface of the anti-loose flange plate (30) is connected to the bottom surface of the hexagonal nut (20) through a plurality of uniformly equidistant mounting screws (32) which are annularly arranged.

2. The set screw for the outer hex head toothed pocket flange according to claim 1, wherein: the screw rod (10) and the hexagonal nut (20) are made of stainless steel and are of an integrated structure.

3. The set screw for the outer hex head toothed pocket flange according to claim 1, wherein: the number of the mounting screws (32) is at least three.

4. The set screw for the outer hex head toothed pocket flange according to claim 1, wherein: the anti-loosening flange plate (30) comprises a metal plate (301), wherein the bottom surface of the metal plate (301) is a stainless steel layer (302), and the toothed concave holes (31) are formed in the bottom surface of the stainless steel layer (302).

5. The set screw for the outer hex head toothed pocket flange according to claim 4, wherein: the bottom surface of stainless steel layer (302) is provided with silica gel cover (303), set up on silica gel cover (303) with toothed cave (31) size looks adaptation and joint complex recess.

6. The set screw for the outer hex head toothed pocket flange according to claim 5, wherein: the thickness of the silica gel sleeve (303) is 0.5-1mm.

7. The set screw for the outer hex head toothed pocket flange according to claim 1, wherein: the center of the anti-loose flange plate (30) is provided with a thread groove which is matched with the diameter of the screw rod (10) in size and is in threaded connection.