CN215634287U

CN215634287U - High stability antiskid fibreboard screw

Info

Publication number: CN215634287U
Application number: CN202122237600.8U
Authority: CN
Inventors: 刘秀松
Original assignee: Tianjin Yiren Hardware Product Co ltd
Current assignee: Tianjin Yiren Hardware Product Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-01-25
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a high-stability anti-skid fiberboard screw, and particularly relates to the technical field of screws. According to the utility model, the fastening effect of the screw is improved through the reinforcing device, the position of the sliding rod is ensured not to move through the auxiliary reinforcing structure, the reinforcing stability of the reinforcing plate is improved, and the controllability of the reinforcing device is improved through the auxiliary fixing device.

Description

High stability antiskid fibreboard screw

Technical Field

The embodiment of the utility model relates to the technical field of screws, in particular to a high-stability anti-skidding fiberboard screw.

Background

Screws are a common fastener and are widely used in machinery, electrical appliances and buildings. Generally, the material is metal or plastic, and is cylindrical, and the grooves with the concave and convex surfaces are called screw threads, and before the screw fasteners are widely used, many different fastening methods are available, and are mostly related to carpentry and forging.

In the prior art, the reinforcing plate is fixed on the surface of the screw, and is driven into the high-stability anti-slip fiberboard together with the upper threaded rod and the lower threaded rod, so that the use effect of the reinforcing plate is weakened due to the mutual friction between the reinforcing plate and the inner surface of a punched hole, the reinforcing plate is not stable in fixation, and the movement of the reinforcing plate cannot well play a limiting role in the process of non-use of the screw.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a high-stability anti-skid fiberboard screw, which improves the fastening effect of the screw through a reinforcing device, ensures that the position of a sliding rod does not move through an auxiliary reinforcing structure, improves the reinforcing stability of a reinforcing plate, and improves the controllability of the reinforcing device through an auxiliary fixing device, so as to solve the problems that in the prior art, the reinforcing plate is fixed on the surface of the screw, is driven into the high-stability anti-skid fiberboard together with an upper threaded rod and a lower threaded rod, the inner surfaces of the reinforcing plate and a driven hole rub against each other, the using effect of the reinforcing plate is weakened, the fixing of the reinforcing plate is not stable, and the movement of the reinforcing plate cannot be well limited in the process of not using the screw.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: a high-stability anti-skid fiberboard screw comprises a screw cap and a screw rod, wherein the screw cap is positioned on the outer surface of the lower end of the screw rod, an upper threaded rod is fixed at the upper end of the screw rod, a lower threaded rod is fixed at the lower end of the screw rod, the upper threaded rod and the lower threaded rod are identical in shape and size and rotate clockwise, a reinforcing device is arranged between the upper threaded rod and the lower threaded rod, and an auxiliary fixing device is arranged at the lower end of the reinforcing device;

the reinforcing device comprises a main reinforcing structure, the main reinforcing structure comprises a sliding barrel, the upper end of the sliding barrel is connected with a through hole in a penetrating manner, the through hole penetrates through the outer surface of the upper end of a screw cap, the section size of the through hole is smaller than that of the sliding barrel, the inner end of the sliding barrel is connected with a sliding rod in a sliding manner, the section size of the upper end of the sliding rod is smaller than that of the through hole, the section size of the lower end of the sliding rod is larger than that of the through hole, the outer surface of the center of the sliding rod is movably connected with a movable connecting plate, the movable connecting plate is distributed along the outer surface of the sliding rod in a circumferential array manner, the lower end of the movable connecting plate is fixedly connected with a reinforcing plate, the movable connecting plate and the reinforcing plate are in one-to-one correspondence, a through square hole penetrates through the front end of the movable connecting plate, and the through square hole penetrates through the outer surface of the center of the screw rod, the rear end embedding of gusset plate is installed the embedded groove, and the embedded groove embedding is installed at the surface of slide bar.

Further, the reinforcing device further comprises an auxiliary reinforcing structure, the auxiliary reinforcing structure is located at the upper end of the sliding rod, the inner end of the sliding cylinder is embedded in the auxiliary reinforcing structure, the auxiliary reinforcing structure comprises a conical groove, the conical groove is arranged in the sliding rod, and the conical groove is connected with the sliding cylinder in a penetrating mode.

Further, supplementary reinforced structure still includes the spout, the spout is seted up on the slide bar, the inner swing joint of spout has first spring, the outer end swing joint of first spring has the gangbar, the outer end swing joint of gangbar has the connecting axle, the outer end swing joint of connecting axle has the fly leaf, the lower extreme fixed mounting of fly leaf is at the surface of slide bar.

Further, the auxiliary fixing device comprises a sliding groove, the sliding groove is embedded in the inner end of the center of the lower threaded rod, and the section size of the upper end of the sliding groove is smaller than that of the lower end of the sliding groove.

Furthermore, the lower end of the sliding groove is connected with an embedded groove in a penetrating mode, the size of the cross section of the embedded groove is smaller than that of the cross section of the sliding groove, and the inner end of the sliding groove is movably connected with a second spring.

Furthermore, the inner end of the second spring is movably connected with a sliding rod, and the upper end of the sliding rod is fixedly connected with a positioning plate.

Furthermore, the outer surface of the lower end of the sliding rod is fixedly connected with the outer surface of the upper end of the positioning plate, the upper end of the second spring is fixedly connected with the outer surface of the lower end of the positioning plate, the lower end of the second spring is fixedly connected with the inner surface of the lower end of the sliding groove, and the height of the sliding rod is smaller than that of the embedded groove.

The embodiment of the utility model has the following advantages:

the utility model provides a high-stability anti-skid fiber board through a main reinforcing structure in a reinforcing device, facilitates the downward force applied to a slide rod through a through hole by means of force, enables the slide rod to slide downwards along a slide cylinder, enables a reinforcing plate to bounce outwards at the lower end of a movable connecting plate, simultaneously enables the reinforcing plate to be embedded into the through square hole, and enables the outer surface of the upper end of the reinforcing plate to be tightly attached to the through square hole, facilitates the utilization of the texture at the outer end of the reinforcing plate to provide opposite texture for a punched hole after a screw is punched into the high-stability anti-skid fiber board, avoids the phenomenon that the reinforcing plate is fixed on the surface of the screw, is punched into the high-stability anti-skid fiber board together with an upper threaded rod and a lower threaded rod, enables the inner surfaces of the reinforcing plate and the punched hole to rub against each other, weakens the use effect of the reinforcing plate, improves the fastening effect of the screw, and facilitates the fixation of the main reinforcing structure through an auxiliary reinforcing structure, the position of the sliding rod is guaranteed not to move, the reinforcing stability of the reinforcing plate is improved, the elastic action of the second spring is utilized through the auxiliary fixing device, the reinforcing plate in the main reinforcing structure is prevented from being clamped and embedded in the through square hole when the screw is not driven into the high-stability anti-slip fiber plate, and the controllability of the reinforcing device is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a side cross-sectional view provided by the present invention;

FIG. 3 is a schematic view of a main reinforcement structure according to the present invention;

FIG. 4 is an internal cross-sectional view of a primary reinforcing structure provided by the present invention;

FIG. 5 is an internal cross-sectional view of an auxiliary reinforcing structure provided in accordance with the present invention;

FIG. 6 is a cross-sectional view of the interior of the auxiliary fixture according to the present invention;

in the figure: 1. a nut; 2. a screw; 21. an upper threaded rod; 22. a lower threaded rod; 3. a reinforcement device; 31. a primary reinforcing structure; 311. a slide bar; 312. a slide cylinder; 313. a movable connecting plate; 314. a reinforcing plate; 315. the square hole is penetrated; 316. a groove is embedded; 317. a through hole; 32. an auxiliary reinforcing structure; 321. a movable plate; 322. a connecting shaft; 323. a linkage rod; 324. a chute; 325. a first spring; 326. a tapered groove; 4. an auxiliary fixing device; 41. a sliding groove; 42. a second spring; 43. a slide bar; 44. positioning a plate; 45. and (4) embedding a groove.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-4 in the specification, the high-stability anti-skid fiberboard screw comprises a nut 1 and a screw rod 2, wherein the nut 1 is located on the outer surface of the lower end of the screw rod 2, an upper threaded rod 21 is fixed at the upper end of the screw rod 2, a lower threaded rod 22 is fixed at the lower end of the screw rod 2, the upper threaded rod 21 and the lower threaded rod 22 are identical in shape and size and rotate clockwise, and a reinforcing device 3 is arranged between the upper threaded rod 21 and the lower threaded rod 22.

The reinforcing device 3 comprises a main reinforcing structure 31, the main reinforcing structure 31 comprises a sliding barrel 312, the upper end of the sliding barrel 312 is connected with a through hole 317 in a penetrating mode, the through hole 317 penetrates through the outer surface of the upper end of the nut 1, the section size of the through hole 317 is smaller than that of the sliding barrel 312, and due to the arrangement of the through hole 317, after the screw is installed, the sliding rod 311 can move downwards through the through hole 317, so that the main reinforcing structure 31 can be conveniently reinforced.

The inner end of the sliding cylinder 312 is connected with a sliding rod 311 in a sliding mode, the section size of the upper end of the sliding rod 311 is smaller than that of the through hole 317, the section size of the lower end of the sliding rod 311 is larger than that of the through hole 317, the outer surface of the center of the sliding rod 311 is movably connected with a movable connecting plate 313, the movable connecting plate 313 is distributed along the outer surface of the sliding rod 311 in a circumferential array mode, the lower end of the movable connecting plate 313 is fixedly connected with a reinforcing plate 314, the movable connecting plate 313 and the reinforcing plate 314 correspond to each other one by one, movable installation of the reinforcing plate 314 is facilitated through the arrangement of the movable connecting plate 313, and the reinforcing plate 314 is convenient to store and extend under the elastic action of the movable connecting plate 313.

The front end of the movable connecting plate 313 is connected with a through square hole 315 in a penetrating manner, the through square hole 315 penetrates through the outer surface of the center of the screw rod 2, the rear end of the reinforcing plate 314 is embedded with an embedded groove 316, the embedded groove 316 is embedded in the outer surface of the sliding rod 311, and the through square hole 315 is arranged, so that the reinforcing plate 314 can be conveniently clamped and fixed.

The implementation scenario is specifically as follows: when the utility model is used, the main reinforcing structure 31 in the reinforcing device 3 is used for conveniently applying downward force to the sliding rod 311 through the through hole 317 by virtue of force, so that the sliding rod 311 slides downwards along the sliding cylinder 312, the reinforcing plate 314 bounces outwards at the lower end of the movable connecting plate 313, the reinforcing plate 314 is embedded into the through square hole 315, the outer surface of the upper end of the reinforcing plate 314 is tightly attached to the through square hole 315, the opposite textures are provided for a punched hole by utilizing the textures at the outer end of the reinforcing plate 314 after a screw is punched into a high-stability anti-skidding fiber board, the reinforcing plate 314 is prevented from being fixed on the surface of the screw and is punched into the high-stability anti-skidding fiber board together with the upper threaded rod 21 and the lower threaded rod 22, the mutual friction between the reinforcing plate 314 and the inner surface of the punched hole is reduced, the use effect of the reinforcing plate 314 is weakened, and the fastening effect of the screw is improved, this embodiment specifically solves the problem that in the prior art, the reinforcing plate 314 is fixed on the surface of the screw, and is driven into the high-stability anti-slip fiberboard together with the upper threaded rod 21 and the lower threaded rod 22, and the reinforcing plate 314 and the inner surface of the driven hole rub against each other, thereby weakening the use effect of the reinforcing plate 314.

Referring to the specification and the attached fig. 5, in the embodiment of the non-slip fiberboard screw with high stability, the reinforcing device 3 further includes an auxiliary reinforcing structure 32, the auxiliary reinforcing structure 32 is located at the upper end of the sliding rod 311, and the auxiliary reinforcing structure 32 is embedded at the inner end of the sliding cylinder 312, the auxiliary reinforcing structure 32 includes a tapered groove 326, the tapered groove 326 is arranged inside the sliding rod 311, and the tapered groove 326 and the sliding cylinder 312 are connected in a penetrating manner, so that the fixing effect of the auxiliary reinforcing structure 32 is improved conveniently by providing the tapered groove 326.

The auxiliary reinforcing structure 32 further comprises a chute 324, the chute 324 is arranged on the sliding rod 311, the inner end of the chute 324 is movably connected with a first spring 325, the outer end of the first spring 325 is movably connected with a linkage rod 323, the outer end of the linkage rod 323 is movably connected with a connecting shaft 322, the outer end of the connecting shaft 322 is movably connected with a movable plate 321, the lower end of the movable plate 321 is fixedly arranged on the outer surface of the sliding rod 311, and when the sliding rod 311 is downwards extruded, the movable plate 321 is driven to move between the three parts to pass through the lower end of the tapered groove 326, and the upper end outer surface of the movable plate 321 is in contact with the lower end outer surface of the tapered groove 326, so that the position of the main reinforcing structure 31 is fixed.

The implementation scenario is specifically as follows: when the auxiliary reinforcing structure 32 is used, the movable plate 321 is elastically compressed in the downward movement process of the sliding rod 311, the connecting shaft 322 is extruded, the connecting shaft 322 drives the connecting rod 323 to extrude the first spring 325 into the sliding groove 324, and therefore the movable plate 321 moves downward to the lower end of the tapered groove 326, the movable plate is elastically expanded under the action of the elastic force of the first spring 325, the outer surface of the upper end of the movable plate 321 abuts against the outer surface of the lower end of the tapered groove 326, and the second spring 42 at the lower end acts upward under the action of the elastic force, so that the main reinforcing structure 31 is fixed conveniently, the position of the sliding rod 311 is guaranteed not to move, the reinforcing stability of the reinforcing plate 314 is improved, and the problem that the fixing of the reinforcing plate 314 in the prior art is not stable is specifically solved by the implementation mode.

Referring to the attached fig. 6 in the specification, in the embodiment of the high-stability anti-slip fiberboard screw, the lower end of the reinforcing device 3 is provided with the auxiliary fixing device 4, the auxiliary fixing device 4 includes a sliding groove 41, the sliding groove 41 is embedded in the inner end of the center of the lower threaded rod 22, the cross-sectional size of the upper end of the sliding groove 41 is smaller than that of the lower end of the sliding groove 41, the lower end of the sliding groove 41 is connected with an inner embedding groove 45 in a penetrating manner, the cross-sectional size of the inner embedding groove 45 is smaller than that of the sliding groove 41, the inner end of the sliding groove 41 is movably connected with the second spring 42, the inner end of the second spring 42 is movably connected with the sliding rod 43, the upper end of the sliding rod 43 is fixedly connected with the positioning plate 44, and the movement position range of the auxiliary fixing device 4 is conveniently limited by the positioning plate 44.

The outer surface of the lower end of the sliding rod 311 is fixedly connected with the outer surface of the upper end of the positioning plate 44, the outer surface of the upper end of the second spring 42 is fixedly connected with the outer surface of the lower end of the positioning plate 44, the lower end of the second spring 42 is fixedly connected with the inner surface of the lower end of the sliding groove 41, the height of the sliding rod 43 is smaller than that of the inner embedded groove 45, the upward force of the sliding rod 311 is provided conveniently through the arrangement of the second spring 42, and when the screw is not used, the reinforcing plate 314 in the main fixing structure can conveniently not protrude to penetrate through the square hole 315.

The implementation scenario is specifically as follows: when the screw driver is used, the auxiliary fixing device 4 prevents the reinforcing plate 314 in the main reinforcing structure 31 from being clamped in the through square hole 315 when a screw is not driven into the high-stability anti-slip fiberboard by utilizing the elastic force of the second spring 42, so that the controllability of the reinforcing device 3 is improved.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a high stability antiskid fibreboard screw, includes nut (1) and screw rod (2), nut (1) is located the lower extreme surface of screw rod (2), the upper end of screw rod (2) is fixed with threaded rod (21), the lower extreme of screw rod (2) is fixed with lower threaded rod (22), the shape size of going up threaded rod (21) and lower threaded rod (22) is all unanimous, and all is clockwise rotation, its characterized in that: a reinforcing device (3) is arranged between the upper threaded rod (21) and the lower threaded rod (22), and an auxiliary fixing device (4) is arranged at the lower end of the reinforcing device (3);

the reinforcing device (3) comprises a main reinforcing structure (31), the main reinforcing structure (31) comprises a sliding cylinder (312), the upper end of the sliding cylinder (312) is connected with a through hole (317) in a penetrating manner, the through hole (317) penetrates through the outer surface of the upper end of the nut (1), the section size of the through hole (317) is smaller than that of the sliding cylinder (312), the inner end of the sliding cylinder (312) is connected with a sliding rod (311) in a sliding manner, the section size of the upper end of the sliding rod (311) is smaller than that of the through hole (317), the section size of the lower end of the sliding rod (311) is larger than that of the through hole (317), the outer surface of the center of the sliding rod (311) is movably connected with a movable connecting plate (313), the movable connecting plate (313) is distributed in a circumferential array manner along the outer surface of the sliding rod (311), and the lower end of the movable connecting plate (313) is fixedly connected with a reinforcing plate (314), the utility model discloses a screw rod (2) is characterized in that one-to-one correspondence between activity connecting plate (313) and gusset plate (314), the front end through connection of activity connecting plate (313) has through quad slit (315), through quad slit (315) and run through the central surface at screw rod (2), embedded groove (316) is installed in the rear end embedding of gusset plate (314), and embedded groove (316) embedding is installed at the surface of slide bar (311).

2. A high stability non-slip fiberboard screw according to claim 1, wherein: reinforcing apparatus (3) still includes supplementary reinforced structure (32), supplementary reinforced structure (32) are located the upper end of slide bar (311), and supplementary reinforced structure (32) are embedded in the inner of slide cartridge (312), supplementary reinforced structure (32) include tapered slot (326), tapered slot (326) are established in the inside of slide bar (311), and run through between tapered slot (326) and the slide cartridge (312) and be connected.

3. A high stability non-slip fiberboard screw according to claim 2, wherein: supplementary reinforced structure (32) still include spout (324), spout (324) are seted up on slide bar (311), the inner swing joint of spout (324) has first spring (325), the outer end swing joint of first spring (325) has gangbar (323), the outer end swing joint of gangbar (323) has connecting axle (322), the outer end swing joint of connecting axle (322) has fly leaf (321), the lower extreme fixed mounting of fly leaf (321) is at the surface of slide bar (311).

4. A high stability non-slip fiberboard screw according to claim 3, wherein: the auxiliary fixing device (4) comprises a sliding groove (41), the sliding groove (41) is embedded in the inner end of the center of the lower threaded rod (22), and the size of the section of the upper end of the sliding groove (41) is smaller than that of the section of the lower end of the sliding groove (41).

5. A high stability non-slip fiberboard screw according to claim 4, wherein: the lower extreme through connection of sliding tray (41) has interior caulking groove (45), the cross-section size of interior caulking groove (45) is less than the cross-section size of sliding tray (41), the inner swing joint of sliding tray (41) has second spring (42).

6. A high stability non-slip fiberboard screw according to claim 5, wherein: the inner end of the second spring (42) is movably connected with a sliding rod (43), and the upper end of the sliding rod (43) is fixedly connected with a positioning plate (44).

7. A high stability non-slip fiberboard screw according to claim 6, wherein: the outer surface of the lower end of the sliding rod (311) is fixedly connected with the outer surface of the upper end of the positioning plate (44), the upper end of the second spring (42) is fixedly connected with the outer surface of the lower end of the positioning plate (44), the lower end of the second spring (42) is fixedly connected with the inner surface of the lower end of the sliding groove (41), and the height of the sliding rod (43) is smaller than that of the embedded groove (45).