CN217519045U

CN217519045U - Improved butt-welding screw

Info

Publication number: CN217519045U
Application number: CN202221015712.7U
Authority: CN
Inventors: 方有贵
Original assignee: Shenzhen Langgu Precision Hardware Co ltd
Current assignee: Shenzhen Langgu Precision Hardware Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-09-30
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses an improved butt-welding screw, which comprises a butt-welding screw main body, a nut and a twisting groove, wherein the nut is fixed at the top end of the butt-welding screw main body, the twisting groove is formed in the nut, the outer wall of the nut is provided with a slot, a slide rail is formed in the slot, the bottom end of the slide rail is connected with the rotating groove, the rotating groove is formed in the outer wall of the twisting groove, a slide block is connected in the slide rail in a sliding way, the slide block is fixed on a support rod, and the support rod is fixed on a protective cover; through fluting, slide rail, rotation groove, protective cover, bracing piece and the slider that sets up, can twist and move the groove and twist the back and can form self-protection through the protective cover, guarantee to twist and move the groove and can not receive external corrosion, improve and twist the life who moves the groove.

Description

Improved butt-welding screw

Technical Field

The utility model relates to a screw technical field especially relates to a follow-on butt-joint screw.

Background

The butt-welding screw is a tool for fastening machine parts of an object step by utilizing the physics and mathematical principles of the inclined plane circular rotation and the friction force of the object, the screw is a general term of a fastening piece, and the screw is an indispensable industrial necessity in daily life in a daily oral language.

However, the existing improved butt-welding screw still has some disadvantages, and the outer nut of the traditional improved butt-welding screw is exposed outside for a long time, is easy to corrode from the outside, and lacks of a protective structure, so that the service life of the nut on the screw is reduced, and the improved butt-welding screw is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art not enough, the utility model provides a follow-on butt-joint screw through fluting, slide rail, rotation groove, protective cover, bracing piece and the slider that sets up, can twist and move the groove and screw up the back and can form oneself's protection through the protective cover, guarantee to twist and move the groove and can not receive external corrosion, improve the life who twists and move the groove.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a follow-on butt-joint screw, includes butt-joint screw main part, nut and twists the groove, butt-joint screw main part top is fixed with the nut, it twists the groove to have seted up in the nut, the fluting has been seted up to the outer wall of nut, the slide rail has been seted up in the fluting, the slide rail bottom is connected with the rotation groove, it sets up at twisting the groove outer wall to rotate the groove, sliding connection has the slider in the slide rail, the slider is fixed on the bracing piece, the bracing piece is fixed on the protective cover.

As an optimal technical scheme of the utility model, the fluting evenly is provided with four groups, every group at the nut outer wall the grooved space volume equals the volume size of protective cover.

As a preferred technical scheme of the utility model, the shape of slide rail sets up to the type of calligraphy, the bore size of slide rail equals the volume size of slider.

As an optimized technical solution of the present invention, the shape of the protective cover is set to be circular, and the area of the protective cover is equal to the top area of the nut.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is: through the arranged slots, the slide rails, the rotating grooves, the protective cover, the support rods and the slide blocks, when workers rotate the twisting grooves to fix the butt-welded screw main body, the workers can align the protective cover to the four groups of slots through the support rods to insert, at the moment, the slide blocks fixed on the support rods are inserted into the slide rails to slide until the slide blocks drive the support rods to slide to the bottom ends of the slots, the inner walls of the protective cover are attached to the outer wall of the top ends of nuts, then the protective cover is rotated clockwise, the protective cover drives the slide blocks to slide into the rotating grooves to form clamping, self protection can be achieved through the protective cover after the twisting grooves are screwed through the device, the twisting grooves are guaranteed not corroded by the outside, and the service life of the twisting grooves is prolonged;

drawings

FIG. 1 is a schematic view of the structure of the present invention in a three-dimensional state;

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic top view of the structure of the present invention;

fig. 4 is a schematic front view of the protective cover structure of the present invention.

Wherein: 1. a butt-welded screw body; 2. a nut; 3. screwing the groove; 41. slotting; 42. a slide rail; 43. a rotating groove; 44. a protective cover; 45. a support bar; 46. a slide block.

Detailed Description

In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained with reference to the following embodiments, however, the following embodiments are only preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-4, an improved butt-welding screw comprises a butt-welding screw body 1, a nut 2 and a screwing groove 3, wherein the nut 2 is fixed at the top end of the butt-welding screw body 1, the screwing groove 3 is formed in the nut 2, a slot 41 is formed in the outer wall of the nut 2, a slide rail 42 is formed in the slot 41, the bottom end of the slide rail 42 is connected with a rotating groove 43, the rotating groove 43 is formed in the outer wall of the screwing groove 3, a slide block 46 is slidably connected in the slide rail 42, the slide block 46 is fixed on a support rod 45, and the support rod 45 is fixed on a protective cover 44;

twist and move groove 3 and will butt-joint bolt main part 1 fixed back when the staff, the staff can aim at four group's flutings 41 with protective cover 44 through bracing piece 45 and insert, the slider 46 of fixing on the bracing piece 45 at this moment slides in inserting slide rail 42, until slider 46 drives bracing piece 45 and slides to fluting 41 bottom, the laminating of protective cover 44 inner wall and 2 top outer walls of nut, then clockwise rotation protective cover 44, protective cover 44 then drives slider 46 and slides and form the block in rotating groove 43, can twist through this device and move groove 3 and screw up the back and can form self-protection through protective cover 44, guarantee to twist and move groove 3 and can not receive external corrosion, improve the life who twists groove 3.

In other embodiments, four sets of slots 41 are uniformly arranged on the outer wall of the nut 2, and the spatial volume of each set of slots 41 is equal to the volume of the protective cover 44;

this is provided to ensure that the support rod 45 can be fully inserted into the slot 41 and to ensure smooth operation of the device.

In other embodiments, the slide rail 42 is provided in a shape of a letter of Chinese character 'tu', and the caliber of the slide rail 42 is equal to the volume of the slide block 46;

the purpose of setting up like this is to guarantee that slider 46 can inlay comparatively laminating with slide rail 42, guarantees that protective cover 44 drives slider 46 mobility stability.

In other embodiments, the protective cover 44 is configured as a circle, and the protective cover 44 has an area equal to the top end of the nut 2;

the purpose of this arrangement is to ensure that the protective cover 44 can cover the top outer wall of the nut 2 completely to form a protection after the slider 46 moves into the rotation slot 43.

In other embodiments, the thickness of the calcium silicate layer 51 is equal to the thickness of the copper oxide layer 52, the thickness of the copper oxide layer 52 is equal to the thickness of the polyurethane layer 53, and the thickness of the polyurethane layer 53 is equal to the thickness of the tetrafluoroethylene layer 54;

the purpose of the arrangement is to utilize the antibacterial, mildewproof, ageing-resistant and corrosion-resistant properties of the calcium silicate layer 51; corrosion resistance of the copper oxide layer 52; the polyurethane layer 53 has the advantages of oil resistance, wear resistance, low temperature resistance, aging resistance and high hardness; the outstanding oil, solvent and abrasion resistance of the tetrafluoroethylene layer 54.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a follow-on butt-joint screw, includes butt-joint screw main part (1), nut (2) and twists groove (3), butt-joint screw main part (1) top is fixed with nut (2), it twists groove (3), its characterized in that to have seted up in nut (2): fluting (41) has been seted up to the outer wall of nut (2), slide rail (42) have been seted up in fluting (41), slide rail (42) bottom is connected with rotation groove (43), it sets up at twisting and moves groove (3) outer wall to rotate groove (43), sliding connection has slider (46) in slide rail (42), slider (46) are fixed on bracing piece (45), bracing piece (45) are fixed on protective cover (44).

2. An improved butt-weld screw according to claim 1, wherein: four groups of the slots (41) are uniformly arranged on the outer wall of the nut (2), and the space volume of each slot (41) is equal to the volume of the protective cover (44).

3. An improved butt-weld screw according to claim 1, wherein: the shape of the sliding rail (42) is arranged to be convex, and the caliber of the sliding rail (42) is equal to the volume of the sliding block (46).

4. An improved butt-weld screw according to claim 1, wherein: the protective cover (44) is round in shape, and the area of the protective cover (44) is equal to the top end area of the nut (2).