CN219587930U - Anti-disassembly safety screw assembly - Google Patents

Abstract

The utility model relates to the technical field of anti-disassembly screws, and discloses an anti-disassembly safety screw assembly, which comprises screw heads and screw rods, wherein clamping grooves are symmetrically formed in the screw rods, clamping rods are symmetrically arranged at the bottom ends of the screw heads, the two clamping rods are respectively and slidably clamped in the corresponding clamping grooves, and limiting assemblies are symmetrically arranged in each clamping groove and used for limiting the clamping rods to slide. The purpose is that: through the cooperation setting of screw head, screw pole, draw-in groove, draw-in bar, screw head is connected through the draw-in groove of draw-in bar and screw pole, after the screw pole precession corresponds the object, can directly dismantle the screw head from the screw pole to the screw pole has got into in the object completely this moment, and the screw pole inconvenient dismantlement under this kind of state makes this screw have good theftproof performance.

Description

Anti-disassembly safety screw assembly

Technical Field

The utility model belongs to the technical field of anti-disassembly screws, and particularly relates to an anti-disassembly safety screw assembly.

Background

The screw is a tool for progressively fastening a machine part by utilizing the physical and mathematical principles of the inclined circular rotation and friction force of an object, has wide application and is one of the most common fasteners.

Patent application number (202020486686.0) discloses a self-tapping screw of convenient concatenation, can increase frictional force under the effect of the separation blade of rubber material, guarantees that the block is more fastened between the top of screwdriver and the cross groove, the phenomenon of slippage takes place between the top of screwdriver and the cross groove can not appear.

But this screw is after the installation, because its screw head and screw pole inconvenient dismantlement to lead to corresponding screwdriver can rotate the screw pole through the screw head, then with whole screw unscrewing, and then make burglary-resisting property not good.

Disclosure of Invention

The purpose of the utility model is that: the utility model provides a prevent tearing open safe screw subassembly, through the cooperation setting of screw head, screw pole, draw-in groove, draw-in bar, the screw head is connected through the draw-in groove of draw-in bar and screw pole, after the screw pole precession corresponds the object, can directly dismantle the screw head from the screw pole to the screw pole has got into in the object completely this moment, the screw pole inconvenient dismantlement under this kind of state, thereby makes this screw have good theftproof performance.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

prevent tearing open safe screw subassembly, including screw head and screw pole, the draw-in groove has been seted up to the symmetry on the screw pole, screw head bottom symmetry is provided with the clamping pole, two the equal sliding joint of clamping pole is in corresponding draw-in groove, every the equal symmetry in draw-in groove is provided with spacing subassembly, spacing subassembly is used for restricting the clamping pole slip.

Further limiting, the limiting component comprises a limiting block, the holding groove is formed in the inner wall of the clamping groove, the limiting block is slidably mounted in the holding groove, a compression spring is arranged between the end portion of the limiting block and the inside of the holding groove, limiting grooves are formed in two sides of the clamping rod, and the limiting block is located in the limiting groove when the clamping rod is clamped with the clamping groove. By means of the structural design, when the clamping rod enters the clamping groove, the limiting block can be pushed to slide in the positioning groove and squeeze the compression spring, and when the limiting block is aligned with the limiting groove, the limiting block is pushed out of the positioning groove and enters the limiting groove under the elastic action of the compression spring to complete clamping.

Further limited, the stopper is hemispherical towards spacing groove one end and sets up, the spacing groove is hemispherical groove. By means of the structural design, the hemispherical structure is arranged, and the limiting block and the limiting groove are convenient to fast clamp.

Further limited, the fixed slot has been seted up at the middle part of screw pole upper surface, and the bonding is connected with the magnet piece in the fixed slot, the magnet piece top sets up in the middle part of screw head bottom. By means of the structural design, the fixing groove and the magnet block are arranged, and the screw head and the screw rod can be further fixed through connection of the magnet block and the fixing groove.

Further limited, the rubber pad is connected to the inner wall of the fixed groove in a gluing mode, and the inner side of the rubber pad is attached to the magnet block. By means of the structural design, the rubber pad is arranged, gaps can be formed between the magnet blocks and the fixing grooves, and impurities are prevented from entering the fixing grooves.

Further defined, the upper surface of the screw head is provided with a cross groove. By means of the structural design, a user can enable the screwdriver to be in contact with the cross groove through the cross groove, so that force is applied to the screw head.

Further defined, the screw head and the screw shaft outer surface are both electroplated with a corrosion resistant zinc layer.

The utility model adopting the technical scheme has the following advantages:

1. according to the utility model, through the cooperation arrangement of the screw head, the screw rod, the clamping groove and the clamping rod, the screw head is connected with the clamping groove of the screw rod through the clamping rod, when the screw rod is screwed into a corresponding object, the screw head can be directly detached from the screw rod, and the screw rod completely enters the object at the moment, so that the screw rod in the state is inconvenient to detach, and therefore, the screw has good anti-theft performance.

2. According to the utility model, the limiting block, the placing groove and the compression spring are arranged, when the clamping rod enters the clamping groove, the limiting block can be pushed to slide in the placing groove and compress the compression spring, and when the limiting block is aligned with the limiting groove, the limiting block is pushed out of the placing groove and enters the limiting groove under the elastic action of the compression spring, so that the clamping is completed.

3. According to the screw head and the screw rod, the fixing groove and the magnet block are arranged, so that the screw head and the screw rod can be further fixed through connection of the magnet block and the fixing groove.

4. According to the utility model, the rubber pad is arranged, so that gaps between the magnet blocks and the fixing groove can be prevented by the rubber pad, and impurities are prevented from entering the fixing groove.

5. By providing the cross groove, a user can use the screwdriver to contact the cross groove, so that force is applied to the screw head.

Drawings

The utility model can be further illustrated by means of non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic view of the construction of an anti-tamper safety screw assembly of the present utility model;

FIG. 2 is a schematic cross-sectional view of the tamper-evident security screw assembly of the present utility model;

FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;

FIG. 4 is a schematic view of a screw rod of the tamper-evident safety screw assembly of the present utility model;

FIG. 5 is a schematic view of the screw head of the tamper-evident security screw assembly of the present utility model;

the main reference numerals are as follows:

screw head 1, screw rod 2,

A clamping groove 31, a clamping rod 32, a limiting groove 33,

A limiting block 41, a placing groove 42, a compression spring 43,

A fixing groove 51, a magnet block 52,

Rubber pad 6, cross groove 7.

Detailed Description

The present utility model will be described in detail below with reference to the drawings and the specific embodiments, wherein like or similar parts are designated by the same reference numerals throughout the drawings or the description, and implementations not shown or described in the drawings are in a form well known to those of ordinary skill in the art. In addition, directional terms such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", etc. in the embodiments are merely directions with reference to the drawings, and are not intended to limit the scope of the present utility model.

As shown in fig. 1 to 5, the anti-disassembly safety screw assembly comprises a screw head 1 and a screw rod 2, wherein clamping grooves 31 are symmetrically formed in the upper surface of the screw rod 2, clamping rods 32 are symmetrically arranged at the bottom end of the screw head 1, the two clamping rods 32 are respectively and slidably clamped in the corresponding clamping grooves 31, and limiting assemblies are symmetrically arranged in each clamping groove 31 and used for limiting the sliding of the clamping rod 32;

the spacing subassembly includes stopper 41, and standing groove 42 has all been seted up to draw-in groove 31 both sides inner wall, and stopper 41 slidable mounting is in standing groove 42, and is provided with compression spring 43 between the tip of stopper 41 and the inside standing groove 42, and spacing groove 33 has all been seted up to the left and right sides of draw-in bar 32, and when draw-in bar 32 and draw-in groove 31 joint were accomplished, stopper 41 was located spacing groove 33. By arranging the limiting block 41, the placing groove 42 and the compression spring 43, when the clamping rod 32 enters the clamping groove, the limiting block 41 is pushed to slide in the placing groove 42 and compress the compression spring 43, and when the limiting block 41 is aligned with the limiting groove 33, the limiting block 41 is pushed out of the placing groove 42 and enters the limiting groove 33 under the elastic action of the compression spring 43, so that the clamping is completed;

the limiting block 41 is arranged towards one end of the limiting groove 33 in a hemispherical shape, and the limiting groove 33 is a hemispherical groove. The hemispherical arrangement is convenient for the stop block 41 to be fast clamped with the stop groove 33;

the middle part of the upper surface of the screw rod 2 is provided with a fixed groove 51, a magnet block 52 is glued and connected in the fixed groove 51, and the top end of the magnet block 52 is arranged in the middle of the bottom end of the screw head 1. By providing the fixing groove 51 and the magnet block 52, the screw head 1 and the screw shaft 2 can be further fixed by the connection of the magnet block 52 and the fixing groove 51;

the inner wall of the fixed groove 51 is connected with a rubber pad 6 in a gluing way, and the inner side of the rubber pad 6 is attached with a magnet block 52. By arranging the rubber pad 6, the rubber pad 6 can prevent gaps from occurring between the magnet blocks 52 and the fixed groove 51, thereby avoiding impurities from entering the fixed groove 51;

the upper surface of the screw head 1 is provided with a cross groove 7. By providing the cross-shaped groove 7, a user can use a screwdriver to contact the cross-shaped groove 7, thereby applying a force to the screw head 1;

the outer surfaces of the screw head 1 and the screw rod 2 are plated with corrosion-resistant zinc layers. The corrosion resistant zinc layer may provide the screw head 1 and the screw shaft 2 with a better corrosion resistance.

The application method of the utility model is as follows:

in this embodiment, during operation, the screw head 1 is connected to the clamping groove 31 of the screw 2 through the clamping rod 32, and when the clamping rod 32 enters the clamping groove 31, the limiting block 41 is pushed to slide into the positioning groove 42 and compress the compression spring 43, and when the limiting block 41 is aligned with the positioning groove 33, the limiting block 41 is pushed out of the positioning groove 42 and enters the positioning groove 33 under the elastic action of the compression spring 43, so as to complete the clamping;

then, the user can use the screwdriver to contact with the cross groove 7 so as to apply force to the screw head 1 for fastening operation, and after the screw rod 2 is screwed into the corresponding object, the user can pull the screw head 1 upwards so as to enable the clamping rod 32 to be out of clamping connection with the clamping groove 31, and the screw rod 2 completely enters the object at the moment, so that the screw rod 2 in the state is inconvenient to detach, and the screw has good anti-theft performance.

The anti-disassembly safety screw assembly provided by the utility model is described in detail above. The description of the specific embodiments is only intended to aid in understanding the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (7)

1. Anti-disassembly safety screw subassembly, including screw head (1) and screw pole (2), its characterized in that: clamping grooves (31) are symmetrically formed in the screw rods (2), clamping rods (32) are symmetrically arranged at the bottom ends of the screw heads (1), the two clamping rods (32) are slidably clamped in the corresponding clamping grooves (31), limiting assemblies are symmetrically arranged in the clamping grooves (31), and the limiting assemblies are used for limiting the sliding of the clamping rods (32).

2. The tamper-evident security screw assembly of claim 1, wherein: limiting component includes stopper (41), standing groove (42) have been seted up to draw-in groove (31) inner wall, stopper (41) slidable mounting is in standing groove (42), and is provided with compression spring (43) between the tip of stopper (41) and standing groove (42) inside, spacing groove (33) have all been seted up to draw-in bar (32) both sides, works as draw-in bar (32) and draw-in groove (31) joint are accomplished, stopper (41) are located spacing groove (33).

3. The tamper-evident security screw assembly of claim 2, wherein: the limiting block (41) is arranged in a hemispherical shape towards one end of the limiting groove (33), and the limiting groove (33) is a hemispherical groove.

4. The tamper-evident security screw assembly of claim 1, wherein: the middle part of screw (2) upper surface has seted up fixed slot (51), and the bonding is connected with magnet piece (52) in fixed slot (51), magnet piece (52) top sets up in the middle part of screw head (1) bottom.

5. The tamper-evident security screw assembly of claim 4, wherein: the inner wall of the fixed groove (51) is connected with a rubber pad (6) in a gluing way, and the inner side of the rubber pad (6) is attached with a magnet block (52).

6. The tamper-evident security screw assembly of claim 1, wherein: the upper surface of the screw head (1) is provided with a cross groove (7).

7. The tamper-evident security screw assembly of claim 1, wherein: and the outer surfaces of the screw head (1) and the screw rod (2) are plated with corrosion-resistant zinc layers.