CN219139581U

CN219139581U - Self-tapping screw with separation effect

Info

Publication number: CN219139581U
Application number: CN202222843610.0U
Authority: CN
Inventors: 何志雄
Original assignee: Foshan Zhonglisheng Precision Manufacturing Co ltd
Current assignee: Foshan Zhonglisheng Precision Manufacturing Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-06-06
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a self-tapping screw with a blocking effect, which comprises a screw and a nut, wherein a blocking box is fixedly connected between the screw and the nut, a blocking mechanism is arranged in the blocking box, a rotating rod is contained in the blocking mechanism, and a plurality of blocking blocks are rotatably connected in the blocking box. This self-tapping screw with separation effect installs the separation piece of rotatory combination additional between nut and the screw, use the sliding block of pressing and the rotation that sliding rack passed through a plurality of gears to drive the separation piece rotatory, form big separation space in the top of nut, separate nut and external world, avoid the nut to receive the influence of external environment by erosion, the dismantlement and the reuse of self-tapping screw of being convenient for, the rigidity of groove on the nut has been ensured simultaneously, the dismantlement of messenger's screw is ensured, need not worry that the time overlength screw is worn and torn and can't be dismantled, self-tapping screw's life has been prolonged.

Description

Self-tapping screw with separation effect

Technical Field

The utility model relates to the technical field of screws, in particular to a self-tapping screw with a blocking effect.

Background

The self-tapping screw is generally a finger tip screw with thick teeth, and can be constructed by a special electric tool, and drilling, tapping, fixing and locking can be completed at one time.

The self-tapping screw is mainly used for fixing and connecting thinner plates, the outdoor use ratio is higher, the screw is required to be waterproof and corrosion-resistant, the groove at the nut is required to be kept rigid, and the disassembly and the modification are convenient, but the existing screw is generally coated with corrosion-resistant paint on the surface of the nut, but in the installation process, an electric tool can scratch with the nut, damage the base material layer of the screw, damage the groove and are not beneficial to disassembly.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the self-tapping screw with the blocking function, and solves the problems that the self-tapping screw is scratched in the installation process, a substrate layer is damaged, and the self-tapping screw is difficult to disassemble and use.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a self-tapping screw with separation effect, includes screw and nut, fixedly connected with separation case between screw and the nut, separation incasement portion is provided with separation mechanism, including the dwang in the separation mechanism, the inside rotation of separation case is connected with a plurality of separation pieces, the inside and the dwang fixed connection of separation piece, the separation piece runs through separation case inner chamber, the dwang rotates with separation case inner chamber to be connected, the fixed surface of dwang is connected with the rotation gear, the inner chamber of separation case rotates through the connecting rod and is connected with a plurality of transfer gears, the surface of transfer gear meshes with the surface of rotation gear, the inside fixedly connected with of separation case presses the movable block, be provided with the pressing mechanism in the movable block inner chamber.

Preferably, the pressing mechanism comprises a sliding rod, the surface of the sliding rod is fixedly connected with a sliding rack, the surface of the sliding rack is meshed with the surface of the transfer gear, the sliding rod penetrates through and extends to the surface of the separation box, one end of the sliding rod is fixedly connected with a sliding block, and the left side surface of the sliding block is in contact with the surface of the separation box.

Preferably, the top of the inner cavity of the pressing block is fixedly connected with an irregular block, the surface of the sliding rod is rotationally connected with a rotating rod, the surface of the rotating rod is fixedly connected with a positioning cylinder, the surface of the positioning cylinder is contacted with the surface of the irregular block and the top of the inner cavity of the pressing block, and the inner part of the pressing block is fixedly connected with a spring.

Preferably, the bottom of the pressing block is fixedly connected with an irregular body, and the other end of the spring is fixedly connected with the irregular body.

Preferably, the surfaces of the block and the sliding block are provided with an anti-rust layer, an anti-oxidation and anti-corrosion layer, a wear-resistant layer and a substrate layer, the top of the substrate layer is fixedly connected with the bottom of the anti-rust layer, the top of the anti-rust layer is fixedly connected with the bottom of the anti-oxidation and anti-corrosion layer, and the top of the anti-oxidation and anti-corrosion layer is fixedly connected with the bottom of the wear-resistant layer.

Preferably, the rust-proof layer comprises a phosphate layer and a rust-proof sealing layer, and the top of the phosphate layer is fixedly connected with the bottom of the rust-proof sealing layer.

Advantageous effects

The utility model provides a self-tapping screw with a blocking function. Compared with the prior art, the method has the following beneficial effects:

(1) This self-tapping screw with separation effect through installing the spacer block of rotatory combination additional between nut and screw, uses the rotatory drive spacer block of sliding block and sliding rack through a plurality of gears of pressing rotatory, forms big separation space in the top of nut, separates nut and external world, avoids the nut to receive external environment's influence by erosion, and the dismantlement and the reuse of self-tapping screw of being convenient for have ensured the rigidity of groove on the nut simultaneously, make the dismantlement of screw ensured, need not worry that the time overlength screw is worn and torn unable the dismantlement, has prolonged self-tapping screw's life.

(2) This self-tapping screw with separation effect through setting up the button block in the inside of separation case, the inside pressing mechanism that sets up of button block, presses the sliding block, the spacer block keeps apart screw and external environment, the screw state is fixed, press the sliding block once more, under the spring effect, all structures are recovered, the spacer block changes the both sides of nut, the screw can normally dismantle, when making the screw protected again, still the simple operation when dismantling, the practicality of screw has been enlarged, it is simple to use to dismantle, the surface of spacer block and sliding block sets up various layers simultaneously, the life of spacer block and screw has been prolonged.

Drawings

FIG. 1 is a front elevational view of the structure of the present utility model;

FIG. 2 is a structural elevation view of the baffle box of the present utility model;

FIG. 3 is a top view of the structure of the baffle box of the present utility model;

FIG. 4 is a top plan view of the structure of the push block of the present utility model;

fig. 5 is a top view of the structure of the layers of the present utility model.

In the figure: 1-screw, 2-nut, 3-baffle box, 4-baffle mechanism, 41-rotating rod, 42-baffle block, 43-rotating gear, 44-intermediate rotating gear, 5-pressing block, 6-pressing mechanism, 61-sliding rod, 62-sliding rack, 63-sliding block, 64-irregular block, 65-rotating rod, 66-positioning cylinder, 67-spring, 68-irregular body, 7-rust-proof layer, 71-phosphate layer, 72-rust-proof sealing layer, 8-oxidation-proof anticorrosive layer, 9-base material layer and 10-wear-resistant layer.

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.

Referring to fig. 1-5, the present utility model provides two technical solutions:

example 1

The utility model provides a self-tapping screw with separation effect, including screw 1 and nut 2, fixedly connected with separation case 3 between screw 1 and the nut 2, separation incasement portion is provided with separation mechanism 4, be contained dwang 41 in the separation mechanism 4, the inside rotation of separation case 3 is connected with a plurality of separation piece 42, the inside and the dwang 41 fixed connection of separation piece 42 run through separation case 3 inner chamber, dwang 41 and separation case 3 inner chamber rotate and are connected, the fixed surface of dwang 41 is connected with rotation gear 43, separation case 3 inner chamber is connected with a plurality of transfer gears 44 through the connecting rod rotation, transfer gear 44's surface meshes with rotation gear 43's surface, separation case 3's inside fixedly connected with presses movable block 5, press movable block 5 inner chamber to be provided with presses movable mechanism 6.

Example two

The utility model provides a self-tapping screw with separation effect, including screw 1 and nut 2, fixedly connected with separation case 3 between screw 1 and the nut 2, separation incasement 3 is provided with separation mechanism 4, contain dwang 41 in the separation mechanism 4, the inside rotation of separation case 3 is connected with a plurality of separation piece 42, separation piece 42 presents the shape of falling "5", the inside and the dwang 41 fixed connection of separation piece 42, separation piece 42 runs through separation case 3 inner chamber, dwang 41 and separation case 3 inner chamber rotate and are connected, the fixed surface of dwang 41 is connected with dwang 43, cut out a piece in the middle of the separation piece 42 on dwang 41 surface and be not connected with dwang 41, the fixed surface of dwang 41 of this section is connected with dwang 43, the inner chamber of separation case 3 is connected with a plurality of transfer gears 44 through the connecting rod rotation, transfer gears 44 quantity is an even number, and the transfer gears 44 in both ends are compared with other transfer gears 44 big, the surface of transfer gears 44 meshes with the surface of dwang 43, transfer gears 44 in both ends meshes with the surface of dwang 43, the inside fixed connection of separation case 3 has a piece 5 to press down, the piece 5 is provided with according to the moving mechanism and follows according to 6. The blocking block 42 of the rotary combination is additionally arranged between the nut 2 and the screw 1, the blocking block 42 is driven to rotate by the rotation of a plurality of gears through the pressed sliding block 63 and the sliding rack 62, a large blocking space is formed above the nut 2, the nut 2 is separated from the outside, the nut 2 is prevented from being corroded by the influence of the outside environment, the disassembly and the repeated utilization of the tapping screw are facilitated, meanwhile, the rigidity of the groove on the nut 2 is ensured, the disassembly of the screw is ensured, the screw is not required to be worn and cannot be disassembled for too long, the service life of the tapping screw is prolonged, the sliding rod 61 is contained in the pressing mechanism 6, the sliding rod 61 slides in the blocking box through the sliding groove and the sliding block, the horizontal position is unchanged, the sliding rack 62 is fixedly connected to the surface of the sliding rod 61, the surface of the sliding rack 62 is meshed with the surface of the transfer gear 44, the number of teeth of the sliding rack 62 is enough to transfer the rotation of the gear 44 for half a circle, the sliding rod 61 runs through and extends to the surface of the baffle box 3, one end of the sliding rod 61 is fixedly connected with the sliding block 63, the left side surface of the sliding block 63 is contacted with the surface of the baffle box 3, the top of the inner cavity of the pressing block 5 is fixedly connected with the irregular block 64, the surface of the sliding rod 61 is rotationally connected with the rotating rod 65, the surface of the rotating rod 65 is fixedly connected with the positioning cylinder 66, the surface of the positioning cylinder 66 is contacted with the surface of the irregular block 64 and the top of the inner cavity of the pressing block 5, the inside of the pressing block 5 is fixedly connected with the spring 67, the bottom of the pressing block 5 is fixedly connected with the irregular body 68, a gap larger than the positioning cylinder 66 is formed between the irregular block 64 and the irregular body 68, the other end of the spring 67 is fixedly connected with the irregular body 68, the surfaces of the baffle block 42 and the sliding block 63 are provided with the rust-proof layer 7, the oxidation-proof layer 8, wear-resisting layer 10 and substrate layer 9 through being provided with substrate layer 9, utilize the even surface of smearing at substrate layer 9 of adhesive, evenly smear the surface at both with antirust layer 7, antioxidation anticorrosive coating 8 and wear-resisting layer 10, thereby improve the anticorrosive antioxidation nature of separation block 42, rust resistance and wearing resistance, make the life of screw can prolong, the top of substrate layer 9 and the bottom fixed connection of antirust layer 7, the top of antirust layer 7 and the bottom fixed connection of antioxidation anticorrosive coating 8, the top of antioxidation anticorrosive coating 8 and the bottom fixed connection of wearing layer 10, include phosphate layer 71 and rust-resistant seal layer 72 in the antirust layer 7, rust-resistant seal layer 72 is formed by the oily rust inhibitor spraying of national standard GB4879-85B3, the top of phosphate layer 71 and the bottom fixed connection of rust-resistant seal layer 72, the inside setting of separation box 3 presses down the piece 5, press mechanism 6 is set up to the inside of pressing down the piece 63, the setting drum 66 position is fixed, separation block 42 keeps apart screw and external environment, screw state fixed block 63 is down, all can be dismantled to the screw and the screw is used for the side of the screw, the screw is dismantled to the both sides of the screw is realized to the speed of the speed change, the screw is convenient and easy to use, the screw is convenient and easy to detach, the both sides of the screw can be dismantled, and the screw is convenient and easy to use.

And all that is not described in detail in this specification is well known to those skilled in the art.

During operation, the blocking blocks 42 are located at two sides of the nut 2, the self-tapping screw is fixed at the required positions by using a special tool, then the sliding block 63 is pressed towards the direction of the pressing block 5, the sliding block 63 moves to drive the sliding rack to move, the sliding rack 62 moves to drive the transfer gear 44 to rotate, the transmission between the transfer gears 44 drives the two transfer gears 43 to rotate relatively, the rotation of the transfer gear 43 drives the rotary rod 41 to rotate, the rotation of the rotary rod 41 drives the blocking blocks 42 to rotate, the blocking blocks 42 are integrated into a blocking cover above the nut when rotating to a certain angle, the sliding block 63 moves, the sliding rod 61 moves, the rotating rod 65 on the surface of the sliding rod 61 rotates, the rotating rod 65 slides along the surface of the irregular block 64, the rotating rod 65 is clamped into a gap between the irregular block 64 and the irregular body 68, the spring 67 compresses, at this time, the sliding block 63 is loosened, all structural positions are fixed, the blocking blocks are not restored, when the screw is required to be disassembled, the sliding block 63 is pressed again, the spring 67 is restored to the original state, and then the positioning cylinder 66 is driven to restore the blocking block 42.

It is noted that 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. Moreover, 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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Self-tapping screw with separation effect, including screw (1) and nut (2), its characterized in that: the novel plastic blocking device is characterized in that a blocking box (3) is fixedly connected between the screw (1) and the nut (2), a blocking mechanism (4) is arranged inside the blocking box (3), a rotating rod (41) is arranged inside the blocking mechanism (4), a plurality of blocking blocks (42) are rotatably connected inside the blocking box (3), the blocking blocks (42) are fixedly connected with the rotating rod (41), the blocking blocks (42) penetrate through the inner cavity of the blocking box (3), the rotating rod (41) is rotatably connected with the inner cavity of the blocking box (3), a rotating gear (43) is fixedly connected with the surface of the rotating rod (41), a plurality of transfer gears (44) are rotatably connected with the inner cavity of the blocking box (3) through connecting rods, the surface of the transfer gears (44) is meshed with the surface of the rotating gear (43), a pressing block (5) is fixedly connected with the inner cavity of the pressing block (5), and a pressing mechanism (6) is arranged in the inner cavity of the pressing block (5).

2. A self-tapping screw with a blocking effect according to claim 1, characterized in that: the pushing mechanism (6) comprises a sliding rod (61), the surface of the sliding rod (61) is fixedly connected with a sliding rack (62), the surface of the sliding rack (62) is meshed with the surface of the transfer gear (44), the sliding rod (61) penetrates through and extends to the surface of the separation box (3), one end of the sliding rod (61) is fixedly connected with a sliding block (63), and the left side surface of the sliding block (63) is in contact with the surface of the separation box (3).

3. A self-tapping screw with a blocking effect according to claim 2, characterized in that: irregular blocks (64) are fixedly connected to the top of the inner cavity of the pressing block (5), a rotating rod (65) is rotatably connected to the surface of the sliding rod (61), a positioning cylinder (66) is fixedly connected to the surface of the rotating rod (65), the surface of the positioning cylinder (66) is in contact with the surface of the irregular blocks (64) and the top of the inner cavity of the pressing block (5), and a spring (67) is fixedly connected to the inner portion of the pressing block (5).

4. A self-tapping screw with a blocking effect according to claim 3, characterized in that: the bottom of the pressing block (5) is fixedly connected with an irregular body (68), and the other end of the spring (67) is fixedly connected with the irregular body (68).

5. A self-tapping screw with a blocking effect according to claim 1, characterized in that: the surface of separation piece (42) and sliding block (63) is provided with antirust layer (7), oxidation-resistant anticorrosive coating (8), wearing layer (10) and substrate layer (9), the top of substrate layer (9) and the bottom fixed connection of antirust layer (7), the top of antirust layer (7) and the bottom fixed connection of oxidation-resistant anticorrosive coating (8), the top of oxidation-resistant anticorrosive coating (8) and the bottom fixed connection of wearing layer (10).

6. A self-tapping screw with a blocking effect according to claim 5, wherein: the antirust layer (7) comprises a phosphate layer (71) and an antirust sealing layer (72), and the top of the phosphate layer (71) is fixedly connected with the bottom of the antirust sealing layer (72).