CN218266745U

CN218266745U - Quincunx anti-loosening and anti-falling screw

Info

Publication number: CN218266745U
Application number: CN202222823550.6U
Authority: CN
Inventors: 彭刚
Original assignee: Shanghai Eride Co ltd
Current assignee: Shanghai Eride Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-01-10
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to a quincunx locking screw that drops, it includes screw body, screw lid, quincunx groove and locking component. Wherein, the screw body is provided with a thread groove spirally along the axis; the second side of the screw cover is connected with the first end of the screw body; the quincuncial groove is formed in the first side of the screw cover and used for enabling the quincuncial screwdriver to be matched with the quincuncial groove to enable the screw body to be screwed into a wooden plate; the anti-loosening element is arranged inside the first end of the thread groove and is used for being inserted into the wooden plate when the first end of the screw body enters the wooden plate. The bolt has the advantages that the anti-loosening element is arranged inside the first end of the thread groove, the first end of the bolt body enters the wooden plate, and meanwhile, the anti-loosening element is inserted into the wooden plate, so that the bolt with the plum blossom grooves is prevented from loosening and falling after being installed on the wooden plate.

Description

Quincunx anti-loosening and anti-falling screw

Technical Field

The utility model belongs to the technical field of the fastener technique and specifically relates to a quincunx locking screw that drops is related to.

Background

In the process of processing the wooden board, a screw with a plum blossom-shaped groove is used for mounting. Usually, a worker drills a thread groove on the wooden board by using the puncher, the thread groove is matched with the screw with the quincunx groove, and then the screw is screwed into the wooden board by using a screwdriver matched with the quincunx groove.

After the installed wood board is used for a long time, the screw on the wood board is easy to loosen due to long-term vibration, and even falls off from the threaded hole of the wood board.

At present, the technical problem that the screw with the plum blossom-shaped groove is installed on a wooden plate and is easy to loosen or even fall off after long-term use is not properly solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a locking screw that drops of plum blossom shape to solve the mounting screw in taking the plum blossom shape groove on wooden board, take place not hard up technical problem that drops even after long-term the use easily.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a locking screw that drops of plum blossom shape, this screw are used for installing wooden board, include:

the screw comprises a screw body, wherein a thread groove is spirally formed in the screw body along the axis of the screw body;

a screw cover, a second side of the screw cover being connected to a first end of the screw body;

the quincunx groove is formed in the first side of the screw cover and used for enabling the quincunx screwdriver to be matched with the quincunx groove to enable the screw body to be screwed into a wooden plate;

and the locking element is arranged inside the first end of the thread groove and is used for being inserted into the wooden plate when the first end of the screw body enters the wooden plate.

As some of these embodiments, the anti-loosening element comprises:

and the three barbed nails are fixed inside the first end of the threaded groove at equal intervals along the path of the threaded groove.

In some embodiments, the barbed nails are in an arcuate configuration.

As some of these embodiments, further comprising:

the anti-falling element, the anti-falling element set up with sliding in the screw lid to set up to the anti-falling element's second end can be followed the first side of screw lid passes the screw lid, the anti-falling element's first end quilt the first side of screw lid is spacing.

As some of these embodiments, the drop prevention member comprises:

three proofings nail that drops, three the anti-drop nail be annular array and set up with sliding in the screw lid, and respectively with the screw lid is dismantled and is connected, the first end of anti-drop nail set to by the screw lid is spacing.

In conclusion, the beneficial technical effects are as follows:

through the inside at the first end of thread groove sets up locking component, when the first end of screw body got into wooden board, locking component inserted wooden board, prevented that the screw of taking the plum blossom groove from taking place to become flexible and droing after installing wooden board.

Drawings

Fig. 1 is a schematic structural view of a quincunx anti-loosening screw in an embodiment of the present invention;

fig. 2 is a schematic structural view of a barbed nail in the embodiment of the present invention;

fig. 3 is a schematic structural view of the anti-falling nail in the embodiment of the present invention.

Reference numerals:

1. a screw body; 11. a thread groove; 2. a screw cover; 3. a plum blossom groove; 4. a locking element; 41. barbed nails; 5. an anti-falling element; 51. anti-drop nail.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Examples

As shown in fig. 1-3, the utility model discloses a quincunx anti-loosening and anti-falling screw, which is used for installing wooden plates and comprises a screw body 1, a screw cover 2, a quincunx groove 3 and an anti-loosening element 4. Wherein, the screw body 1 is provided with a thread groove 11 along the axis in a spiral shape; the second side of the screw cover 2 is connected with the first end of the screw body 1; the quincuncial groove 3 is formed in the first side of the screw cover 2 and used for enabling the quincuncial screwdriver to be matched with the quincuncial groove 3 to enable the screw body 1 to be screwed into a wooden board; the locking member 4 is provided inside the first end of the thread groove 11 for insertion of the locking member 4 into the wood panel while the first end of the screw body 1 enters the wood panel.

As some of the embodiments, the anti-loosening element 4 comprises three barbed nails 41, the three barbed nails 41 being fixed inside the first end of the threaded groove 11 at equal intervals along the path of the threaded groove 11.

Insert the plum blossom groove 3 back of this application with the screwdriver of taking the plum blossom shape head when the staff for inside screw body 1 gets into wooden board, after screw body 1 is whole to get into wooden board, barb nail 41 inserts wooden board along the line of thread groove 11 inside, can prevent effectively that the wooden board of installing from using the back for a long time, and the screw drops from wooden board.

As some of these embodiments, the barbed nails 41 are in an arcuate configuration.

Further, the screw further comprises a falling off prevention element 5, the falling off prevention element 5 is slidably disposed on the screw cover 2, and is configured such that a second end of the falling off prevention element 5 can pass through the screw cover 2 from a first side of the screw cover 2, and the first end of the falling off prevention element 5 is limited by the first side of the screw cover 2.

As some of the embodiments, the anti-falling-off element 5 includes three-prevention falling-off nails 51, the three-prevention falling-off nails 51 are arranged in an annular array and slidably in the screw cover 2 and detachably connected with the screw cover 2, respectively, and first ends of the falling-off nails 51 are arranged to be limited by the screw cover 2.

After the whole screw body 1 gets into wooden board inside, in order to further prevent that the screw pine from taking off, the staff passes screw cover 2 with the second end of anti-drop nail 51 from the first side of screw cover 2, and inside inserting wooden board, on barb nail 41's anti-drop basis, further increases its anti-drop effect.

The principle of use of this embodiment is as follows:

when a worker inserts the quincuncial groove 3 with a screwdriver with a quincuncial head into the wood board, the screwdriver rotates clockwise or anticlockwise to enable the screw body 1 to enter the wood board, and after the whole screw body 1 is about to enter the wood board, the barbed nail 41 is inserted into the wood board along the grains of the thread groove 11, so that the situation that the screw falls off from the wood board after the installed wood board is used for a long time can be effectively prevented;

The advantages of this embodiment are: through the inside at the first end of thread groove sets up locking component, when the first end of screw body got into wooden board, locking component inserted wooden board, prevented that the screw of taking the plum blossom groove from taking place to become flexible and droing after installing wooden board.

The embodiment of this detailed implementation is the preferred embodiment of the present invention, not so limiting the protection scope of the present invention, and can be used by combining each other between the above-mentioned embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A quincunx anti-loose and anti-falling screw used for installing wooden boards is characterized by comprising:

the screw comprises a screw body (1), wherein a thread groove (11) is spirally formed in the screw body (1) along the axis of the screw body;

the second side of the screw cover (2) is connected with the first end of the screw body (1);

the quincunx groove (3) is formed in the first side of the screw cover (2), and is used for enabling the quincunx screwdriver to be matched with the quincunx groove (3) to enable the screw body (1) to be screwed into a wood board;

the locking element (4) is arranged inside the first end of the thread groove (11) and used for inserting the locking element (4) into the wooden plate while the first end of the screw body (1) enters the wooden plate.

2. Screw according to claim 1, characterized in that said anti-loosening element (4) comprises:

and the three barbed nails (41) are fixed inside the first end of the threaded groove (11) at equal intervals along the path of the threaded groove (11).

3. Screw according to claim 2, characterized in that said barbed nail (41) has an arc-shaped configuration.

4. The screw of claim 1, further comprising:

the anti-falling element (5) is arranged on the screw cover (2) in a sliding mode, the second end of the anti-falling element (5) can penetrate through the screw cover (2) from the first side of the screw cover (2), and the first end of the anti-falling element (5) is limited by the first side of the screw cover (2).

5. The screw according to claim 4, characterized in that said anti-drop element (5) comprises:

three proofings nail that drops (51), three anti-drop nail (51) be annular array and set up with sliding in screw lid (2), and respectively with screw lid (2) carry out can dismantle the connection, the first end of anti-drop nail (51) sets to quilt screw lid (2) are spacing.