CN217976943U

CN217976943U - Self-tapping positioning locking anti-loosening screw

Info

Publication number: CN217976943U
Application number: CN202221847892.5U
Authority: CN
Inventors: 陈广忠
Original assignee: Zhongyi Metal Guangzhou Co ltd
Current assignee: Zhongyi Metal Guangzhou Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-12-06
Anticipated expiration: 2032-07-18

Abstract

The utility model relates to a self tapping screw technical field just discloses self tapping location locking screw, including the screw body, the top fixedly connected with spiral shell head of screw body, the cross recess has been seted up on the spiral shell head, seted up communicating pipe in the cross recess, the other end through screw body of communicating pipe, the sealing rod has been placed in communicating pipe, the bottom fixedly connected with sealed cotton of sealing rod, the bottom of spiral shell head is provided with anti-skidding barb. Through setting up anti-skidding barb, can closely laminate with the surface of target object, increase frictional resistance, prevent effectively that the screw is not hard up because of reverse rotation.

Description

Self-tapping positioning locking anti-loosening screw

Technical Field

The utility model relates to a self tapping screw technical field specifically is self tapping location locking screw.

Background

Under the condition that an object to be locked does not have corresponding internal threads, the self-tapping screw can utilize self-tapping teeth to extrude and cut threads on the object to be locked. Generally, the self-tapping screw can be tightly locked with an object, however, under some special conditions, such as severe vibration or long-term use of the object, the self-tapping screw can be gradually loosened to lose the locking function, and therefore, a self-tapping positioning locking anti-loosening screw is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self tapping location locking screw solves the problem that the above-mentioned background mentioned.

In order to achieve the above purpose, the utility model provides a following technical scheme: self tapping location locking screw, including the screw body, the top fixedly connected with spiral shell head of screw body, the cross recess has been seted up on the spiral shell head, set up communicating pipe in the cross recess, the other end through screw body of communicating pipe, placed sealing rod in the communicating pipe, sealing rod's bottom fixedly connected with seal cotton, the bottom of spiral shell head is provided with anti-skidding barb.

Preferably, the quantity of antiskid barb is a plurality of, and a plurality of antiskid barb is along the circumferencial direction evenly distributed of screw rod. Through setting up anti-skidding barb, can closely laminate with the surface of target object, increase frictional resistance, prevent effectively that the screw is not hard up because of reverse rotation.

Preferably, the surface of the screw body is subjected to zinc plating passivation treatment, and through the arrangement, the screw body can effectively prevent corrosion, so that the service life of the screw body is greatly prolonged.

Preferably, the screw head and the screw body are made of aluminum alloy materials.

Preferably, the top fixedly connected with magnet of sealing rod, the outer wall of magnet and the inside contact of communicating pipe, and the outer wall at magnet top and the one end parallel and level setting that is located the cross recess communicating pipe, through setting up magnet, can utilize another piece magnet with the sealing rod suction.

Preferably, the outer surface of the screw body is provided with a plurality of self-tapping teeth.

The utility model provides a self tapping location locking screw. The self-tapping positioning locking anti-loosening screw has the following beneficial effects:

(1) The self-tapping positioning locking anti-loosening screw can be tightly attached to the surface of a target object by arranging the anti-skidding barbs, so that the frictional resistance is increased, and the screw is effectively prevented from loosening due to reverse rotation;

(2) The self-tapping positioning locking anti-loosening screw is subjected to zinc-plating passivation treatment through the surface of the screw body, so that the screw body can be effectively prevented from corrosion, and the service life of the screw body is greatly prolonged.

Drawings

FIG. 1 is a front view provided by the present invention;

fig. 2 is a top view provided by the present invention;

fig. 3 is a cross-sectional view provided by the present invention;

fig. 4 is an enlarged view of a.

In the figure: 1. the screw comprises a screw head, 2 a cross groove, 3 a screw body, 4 an anti-skidding barb, 5 a communicating pipe, 6 a sealing rod, 7 a sealing cotton.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to 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", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-4, the utility model provides a technical solution: self tapping location locking screw, including screw body 3, the surface of screw body 3 is provided with a plurality of self-tapping teeth, the surface of screw body 3 is galvanizing passivation treatment, through setting up like this, make screw body 3 effectively prevent corrosion, greatly increased screw body 3's life, screw body 3's top fixedly connected with spiral shell head 1, spiral shell head 1 and screw body 3 are aluminum alloy and make, cross slot 2 has been seted up on spiral shell head 1, communicating pipe 5 has been seted up in cross slot 2, the other end of communicating pipe 5 runs through screw body 3, sealing rod 6 has been placed in communicating pipe 5, sealing rod 6's top fixedly connected with magnet, the outer wall of magnet and the internal contact of communicating pipe 5, and the outer wall at magnet top sets up with the one end parallel and level that communicating pipe 5 is located cross slot 2, through setting up magnet, can utilize another magnet to seal rod 6 suction, sealing rod 6's bottom fixedly connected with gland cotton 7, the bottom of spiral shell head 1 is provided with antiskid barb 4, the quantity of antiskid barb 4 is a plurality of barbs 4, a plurality of antiskid barb 4 is along screw rod 9's circumferencial direction evenly distributed. Through setting up anti-skidding barb 4, can closely laminate with the surface of target object, increase frictional resistance, prevent effectively that the screw is not hard up because of reverse rotation.

This self tapping location locking screw is when using, can aim at cross recess 2 through with the screwdriver, target object drills into with screw body 3, and utilize self-tapping to go out the screw thread, play the effect that the screw thread was turned round tightly, after turning round tightly, can be through 6 aspirations of bar seal of magnet, the rethread is towards pouring into viscous liquid in communicating pipe 5, can play stronger viscidity after treating the liquid solidification, and then play locking effect, and anti-skidding barb 4 is the oblique triangle-shaped of echelonment, can closely laminate with target object's surface, increase frictional resistance, prevent effectively that screw body 3 from becoming flexible because of reverse rotation, under dual locking adds holds, play firm effect.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. Self tapping location locking screw, including screw body (3), its characterized in that: the top fixedly connected with spiral shell head (1) of screw body (3), cross recess (2) have been seted up on spiral shell head (1), seted up communicating pipe (5) in cross recess (2), the other end through screw body (3) of communicating pipe (5), sealing rod (6) have been placed in communicating pipe (5), the bottom fixedly connected with seal cotton (7) of sealing rod (6), the bottom of spiral shell head (1) is provided with anti-skidding barb (4).

2. The self-tapping set-locking check screw of claim 1, wherein: the quantity of antiskid barb (4) is a plurality of, and a plurality of antiskid barb (4) are along screw rod 9's circumferencial direction evenly distributed.

3. A self-tapping set-locking check screw as defined in claim 1, wherein: the surface of the screw body (3) is subjected to galvanization and passivation treatment.

4. A self-tapping set-locking check screw as defined in claim 1, wherein: the screw head (1) and the screw body (3) are both made of aluminum alloy materials.

5. A self-tapping set-locking check screw as defined in claim 1, wherein: the top fixedly connected with magnet of sealing rod (6), the outer wall of magnet and the inside contact of communicating pipe (5), and the outer wall at magnet top and communicating pipe (5) are arranged in the one end parallel and level of cross recess (2).

6. A self-tapping set-locking check screw as defined in claim 1, wherein: the outer surface of the screw body (3) is provided with a plurality of self-tapping teeth.