CN210371558U

CN210371558U - Decorative screw, screw decorative cover and decorative screw assembly

Info

Publication number: CN210371558U
Application number: CN201921216362.9U
Authority: CN
Inventors: 闫欢欢; 李建勋
Original assignee: Henan Ruikaide Building Materials Co ltd
Current assignee: Henan Ruikaide Building Materials Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-04-21
Anticipated expiration: 2029-07-31

Abstract

The utility model relates to a decorate screw, screw dress trim cover and decorate screw subassembly. The center of revolving the spiral shell groove is equipped with the blind hole that extends along the axis direction of the nail body, the length of blind hole is from revolving the bottom surface downwardly extending of spiral shell groove, the hole bottom of blind hole is apart from the root of nail cap and is set for the distance, set for the distance and be not less than 2mm, the screw dress trim cover includes the lid, the up end of lid is smooth surface, be equipped with on the lower terminal surface of lid and hold the recess, the degree of depth that holds the recess is not less than the height of nail cap, the diameter that holds the recess is not less than the diameter of nail cap so that hold the nail cap when using, the centre that holds the recess is provided with downwardly extending's grafting post, the grafting post periphery is equipped with the elastomer, the diameter. Has the advantages of convenient and fast assembly and disassembly, firm assembly, difficult loosening, no environmental pollution and the like.

Description

Decorative screw, screw decorative cover and decorative screw assembly

Technical Field

The utility model relates to a decorate screw, screw dress trim cover and decorate screw subassembly.

Background

The screw and the screw decorative cover are often matched and applied to the scenes of vehicle interior trim and furniture interior trim needing surface decoration, the nail cap leakage of the screw can influence the aesthetic property of the surface, so the decoration cover is needed to be decorated, the existing screw decorative cover is matched with the existing common screw for use, the existing screw decorative cover is generally matched with the nail cap part of the screw in gluing, threaded connection and other modes when in use, and glue is not environment-friendly and easy to loosen when in gluing mode, so the decorative cover falls off, the appearance is influenced, the decorative cover in gluing mode is inconvenient to disassemble and inconvenient to re-install; the existing thread mode is complex in thread processing and high in cost, the installation and the disassembly of the decorative cap in the thread mode are time-consuming and labor-consuming, and a large amount of manpower is consumed during the large-batch installation and disassembly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a decorative screw component, which is characterized in that the installation and the disassembly are convenient and rapid, the installation is very firm and not easy to loose, the environment is not polluted and the like by simultaneously improving the decorative screw and the screw decorative cover, thereby solving the technical problems of easy loosening, environment pollution, time-consuming and tedious installation and disassembly in the prior art; an object of the utility model is also to provide a decorate screw and screw dress trim cover.

In order to achieve the above object, the utility model discloses a decorative screw subassembly adopts following technical scheme: the decorative screw assembly comprises a decorative screw and a screw decorative cover, wherein the decorative screw comprises a screw body, the upper end of the screw body is provided with a screw cap, the lower end of the screw body is provided with a screw head, the upper end of the screw cap is provided with a screwing groove for screwing a screwdriver, the center of the screwing groove is provided with a blind hole extending along the axis direction of the screw body, the length of the blind hole extends downwards from the bottom surface of the screwing groove, the hole bottom of the blind hole is away from the root of the screw cap by a set distance which is not less than 2mm, the screw decorative cover comprises a cover body, the upper end surface of the cover body is a smooth surface, the lower end surface of the cover body is provided with a containing groove, the depth of the containing groove is not less than the height of the screw cap, the diameter of the containing groove is not less than the diameter of the screw cap so as to contain the screw cap when in, the plug column has elasticity, the diameter of the plug column is larger than that of the blind hole, and the plug column is matched with the blind hole in a plug mode.

Furthermore, the upper end surface of the cover body is a spherical surface.

Furthermore, an annular groove is formed in the blind hole, an annular boss which corresponds to the annular groove is arranged outside the inserting column, and the annular boss is in limit fit with the annular groove. Furthermore, the plugging column is not easy to be separated from the blind hole.

The utility model discloses a decorative screw adopts following technical scheme: the decorative screw comprises a screw body, a screw cap is arranged at the upper end of the screw body, a screw head is arranged at the lower end of the screw body, a screwing groove for screwing a screwdriver is formed in the upper end of the screw cap, a blind hole extending along the axis direction of the screw body is formed in the center of the screwing groove, the length of the blind hole extends downwards from the bottom surface of the screwing groove, the distance from the bottom of the blind hole to the root of the screw cap is set, and the set distance is not less than 2 mm.

The utility model discloses a screw dress trim cover adopts following technical scheme: the screw decorative cover comprises a cover body, the upper end face of the cover body is a smooth surface, a containing groove is arranged on the lower end face of the cover body, the depth of the containing groove is not lower than the height of a screw cap of a matched screw, the diameter of the containing groove is not smaller than the diameter of the screw cap of the matched screw so as to contain the screw cap when in use, a downwards extending inserting column which is used for being inserted and matched with a blind hole of the matched screw is arranged in the middle of the containing groove, the inserting column has elasticity, and the diameter of the inserting column is larger than the diameter of the blind hole of the matched screw.

Furthermore, the upper end surface of the cover body is a spherical surface.

The utility model has the advantages that: the utility model discloses a decorative screw subassembly includes decorative screw and screw dress trim cover, through the processing of blind hole on the basis of current screw, and design the position of blind hole and the degree of depth of blind hole, form novel decorative screw, and the screw dress trim cover that corresponds to supporting design, through designing the spliced pole at the lower section of screw dress trim cover, and correspond the size, the material of design spliced pole, thereby make the spliced pole convenient and firm when pegging graft with the blind hole, the splicing cooperation mode has the convenience of accomplishing according to installing promptly, dismantling promptly once pulling, utilize the spliced pole slightly to be greater than the size of blind hole and the spliced pole has certain elastic characteristics simultaneously, make the grafting tighter, be difficult for the drunkenness, and can used repeatedly many times, simultaneously, the setting up of accommodation recess has guaranteed that the nail cap part outside metal sheet or plank can be accommodated by the accommodation recess, that is, the plane portion of the lower end surface of the screw decorative cover may be completely attached to the outer surface of the metal plate or the wood plate.

Drawings

FIG. 1 is a schematic cross-sectional view of one embodiment of the ornamental screw assembly of the present invention (with the nail head omitted);

FIG. 2 is a cross-sectional view of the decorative screw of FIG. 1;

FIG. 3 is a top view of the nut of the ornamental screw of FIG. 2;

FIG. 4 is a cross-sectional view of the screw trim cover of FIG. 1;

in the figure: 1-decorative screw, 11-nail body, 12-nail cap, 120-root, 121-screwing groove, 122-blind hole, 1221-hole bottom, 1222-chamfer, 2-decorative screw cover, 21-cover body, 211-spherical surface, 212-accommodating groove and 22-plug column.

Detailed Description

The utility model discloses a decorate screw subassembly adopts following technical scheme: as shown in fig. 1-4, the ornamental screw assembly includes an ornamental screw 1 and a screw ornamental cover 2, the ornamental screw 1 includes a screw body 11, an external thread is disposed on an outer surface of the screw body 11, and the external thread of the screw body 11 is a content of the prior art and is not described again. The upper end of the nail body 11 is provided with a nail head 12, the lower end is provided with a nail head, the nail head 12 is a conventional conical nail head 12, and a cylindrical nail head 12 can also be adopted, which are not described in detail in the prior art. The nail body is full screw thread, and the head central point has the deep hole. The upper end of the screw cap 12 is provided with a screwing groove 121 for screwing a screwdriver, the screwing groove 121 is in a shape of a Chinese character 'yi', a cross shape or a Chinese character 'mi', so that the screwdriver or a special screw screwing tool can conveniently screw the screw, the center of the screwing groove 121 is provided with a blind hole 122 extending along the axial direction of the screw body 11, the length of the blind hole 122 extends downwards from the bottom surface of the screwing groove 121, the bottom 1221 of the blind hole 122 is a set distance away from the root 120 of the screw cap 12, the set distance is not less than 2mm, the specific distance needs to be determined by referring to the length of the screw, and under general conditions, the depth of the blind hole 122 should ensure that the lower end of the blind hole 122 is a certain distance away from the head of the screw; meanwhile, the depth of the blind hole 122 and the length of the plug-in post 22 are subject to consideration that the plug-in post 22 is not easy to loosen when being inserted into the blind hole 122, in this embodiment, the bottom surface of the blind hole 122 is at least 3mm away from the head of the screw and at least 2mm away from the root 120 of the nut 12, the diameter of the blind hole 122 needs to be determined according to the diameter of the screw on the one hand, the diameter of the blind hole 122 should be at least 0.5mm smaller than the minimum diameter of the screw to ensure the strength of the screw, the screw decoration cover 2 includes a cover body 21, the upper end surface of the cover body 21 is a smooth surface, the lower end surface of the cover body 21 is provided with an accommodating groove 212, the accommodating groove 212 is a combination of a spherical shape at the upper part of a lower cylinder, the diameter of the cylinder part is larger than the outer diameter of the nut 12 of the screw, the depth of the accommodating groove 212 is at least equal to the height of the, the diameter of the accommodating groove 212 is not smaller than that of the nail cap 12 so as to accommodate the nail cap 12 in use, the middle of the accommodating groove 212 is provided with a downwards extending insertion column 22, the insertion column 22 has certain elasticity, the diameter of the insertion column 22 is larger than that of the blind hole 122, and the insertion column 22 is in insertion fit with the blind hole 122. In order to facilitate the smooth insertion of the plug-in stud 22 into the blind hole 122, the lower end of the plug-in stud 22 and the upper end of the blind hole 122 have a chamfer 1222 so as to be guided into the blind hole 122. The material of the decorative cover may be plastic, rubber, resin, etc. having a certain elasticity, or may be an elastic body formed by coating an elastic material such as plastic, resin, and rubber on the outer surface of a hard material such as ceramic and metal. The shape of the blind hole 122 and the corresponding plug-in post 22 may be cylindrical and prismatic, that is, the cross-sectional shapes of the blind hole 122 and the plug-in post 22 may be circular, polygonal and irregular, and the diameters along the length direction are consistent.

In this embodiment: the material of the plug column 22 is plastic, and the upper end surface of the cover body 21 is a spherical surface 211. An annular groove is formed in the blind hole 122, an annular boss corresponding to the annular groove is arranged outside the plug-in column 22, and the annular boss is in limit fit with the annular groove. Further, the plug post 22 is not easily removed from the blind hole 122. Wherein the shape of the head of the screw can be a conical tip, a cylindrical flat head, a twist drill head and the like in the prior art.

The working principle is as follows: the decorative screw component comprises a decorative screw 1 and a screw decorative cover 2, the blind hole 122 is processed on the basis of the existing screw, the position of the blind hole 122 and the depth of the blind hole 122 are designed to form a novel decorative screw 1, the screw decorative cover 2 corresponding to the decorative screw is designed in a matching way, the inserting column 22 is designed on the lower section of the screw decorative cover 2, and the size and the material of the inserting column 22 are correspondingly designed, so that the inserting column 22 is convenient and firm to insert with the blind hole 122, the inserting matching way has the convenience of completing installation and disassembling at once, meanwhile, the inserting column 22 is slightly larger than the blind hole 122 and has the characteristic of certain elasticity of the inserting column 22, the inserting is more compact, the play is difficult, the screw is repeatedly used for a plurality of times, meanwhile, the arrangement of the accommodating groove 212 ensures that the part of the screw cap 12 except for a metal plate or a wood plate can be accommodated by the accommodating groove 212, that is, the flat portion of the lower end surface of the screw deco-cap 2 may be completely attached to the outer surface of the metal plate or the wood plate.

The utility model discloses a concrete embodiment of decorating screw is the same with each embodiment of the decoration screw in each embodiment of above-mentioned decoration screw subassembly, no longer explains.

The utility model discloses a concrete embodiment of screw dress trim cover is the same with each embodiment of the screw dress trim cover in each embodiment of above-mentioned decoration screw subassembly, no longer gives unnecessary details.

Claims

1. Decorate screw assembly, including decorating screw and screw dress trim cover, decorate the screw and include the nail body, the upper end of the nail body has the head of a nail, the lower extreme has the pin fin, the upper end of the head of a nail has and is used for supplying the screwdriver to twist and twist groove, its characterized in that soon: the center of twisting the recess is equipped with along the blind hole that the axis direction of the nail body extends, the length of blind hole certainly the bottom surface downwardly extending of twisting the recess, the hole bottom distance of blind hole a set distance of root of the nut, set distance is not less than 2mm, screw dress trim cover includes the lid, the up end of lid is smooth surface, be equipped with on the lower terminal surface of lid and hold the recess, the degree of depth that holds the recess is not less than the height of nut, the diameter that holds the recess is not less than the diameter of nut is so that hold when using the nut, holds the centre of recess and is provided with downwardly extending's grafting post, and the grafting post has elasticity, and the diameter ratio of grafting post the diameter of blind hole is big, the grafting post with the blind hole cooperation of pegging graft.

2. The ornamental screw assembly according to claim 1, wherein: the upper end surface of the cover body is a spherical surface.

3. The ornamental screw assembly according to claim 1, wherein: an annular groove is formed in the blind hole, an annular boss which corresponds to the annular groove is arranged outside the inserting column, and the annular boss is in limit fit with the annular groove.

4. Decorative screw, including the nail body, the upper end of the nail body has the head, the lower extreme has the pin head, the upper end of head has and is used for supplying the screwdriver to revolve wrong recess of twisting, its characterized in that: the center of screwing the recess is equipped with along the blind hole that the axis direction of the nail body extended, the length of blind hole certainly the bottom surface downwardly extending who twists the recess, the hole bottom distance of blind hole a set distance of root of the nut of the nail, set distance is not less than 2 mm.

5. Screw dress trim cover, its characterized in that: the improved screw cap comprises a cap body, the up end of lid is smooth surface, be equipped with on the lower terminal surface of lid and hold the recess, the degree of depth that holds the recess is not less than the height of the head of a nail of supporting screw, and the diameter that holds the recess is not less than the diameter of the head of a nail of supporting screw so that hold when using the head of a nail, the centre that holds the recess is provided with downwardly extending, is used for with the blind hole grafting complex grafting post of supporting screw, the grafting post has elasticity, the diameter ratio of grafting post is big than the diameter of the blind hole of the supporting screw.

6. The screw decorative cover of claim 5, wherein: the upper end surface of the cover body is a spherical surface.