CN210318056U

CN210318056U - Expansion screw capable of being leveled

Info

Publication number: CN210318056U
Application number: CN201921328603.9U
Authority: CN
Inventors: 经延贵
Original assignee: Nanjing Yiqi Decoration Materials Co Ltd
Current assignee: Nanjing Yiqi Decoration Materials Co Ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-04-14
Anticipated expiration: 2029-08-16

Abstract

The utility model relates to an expansion screw technical field just discloses an expansion screw that can level, including the wall, the inside swing joint of wall has the inflation cover, the inside swing joint of inflation cover has one end to run through and extends to the outside screw rod of inflation cover, the surface of screw rod and the top swing joint who is located the wall have the decorative board, the top fixed mounting of screw rod has the panel, the inside swing joint of panel has the expansion screw, the top swing joint of screw rod surface has fastening nut, the top of screw rod surface and the below swing joint who is located fastening nut have adjusting nut. This expansion screw that can level, overall structure is simple, and is easy and simple to handle, through setting up a plurality of the device and adjusting nut, reaches the purpose of adjustment decorative board horizontally, and holistic fixed stable, and low in cost, practical strength is high, and easy to use is applicable to various circumstances.

Description

Expansion screw capable of being leveled

Technical Field

The utility model relates to an expansion screw technical field specifically is an expansion screw that can level.

Background

The expansion screw is generally a metal expansion screw, the expansion screw is fixed by utilizing a wedge-shaped slope to promote expansion to generate friction binding force so as to achieve a fixing effect, one end of the screw is provided with a thread, the other end of the screw is provided with a taper, an iron sheet is wrapped outside the screw, a half of the iron sheet is provided with a plurality of notches, the screw and the iron sheet are plugged into a hole drilled in a wall together, then a nut is locked, the nut pulls the screw outwards to pull the taper into an iron sheet cylinder, the iron sheet cylinder is expanded and is then tightly fixed on the wall, the expansion screw is generally used for fastening protective guards, rain covers, air conditioners and the like on materials such as cement, bricks and the like, but the fixation is not very reliable, and the expansion screw is likely to loosen if a.

The expansion screw comprises a screw rod, an expansion pipe and other parts, the tail part of the screw rod is conical, the inner diameter of the cone is larger than the inner diameter of the expansion pipe, the existing expansion screw on the market at present has the defect of inconvenient leveling, when the expansion screw is used for fixing a decoration keel or a decoration plate, the unevenness of a wall surface causes the unevenness of the keel or the decoration plate, the appearance is influenced, the fixation is unstable, and the expansion screw is inconvenient to use, so the expansion screw capable of leveling is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an expansion screw that can level possesses advantages such as convenient leveling, has solved when using, and this expansion screw is when fixed fitment fossil fragments or decorative board, and the unevenness of wall leads to fossil fragments or decorative board to fix the unevenness, and the influence is pleasing to the eye, and fixes the problem that uses not convenient for that unstable.

(II) technical scheme

In order to realize the purpose of the convenient leveling, the utility model provides a following technical scheme: the utility model provides an expansion screw that can level, includes the wall, the inside swing joint of wall has the inflation cover, the inside swing joint of inflation cover has one end to run through and extend to the outside screw rod of inflation cover, the surface of screw rod and the top swing joint who is located the wall have the decorative board, the top fixed mounting of screw rod has the panel, the inside swing joint of panel has the expansion screw, the top swing joint of screw rod surface has fastening nut, the top of screw rod surface and the below swing joint who is located fastening nut have adjusting nut.

Preferably, the adjusting nut and the fastening nut are connected with the screw rod in a threaded manner.

Preferably, the screw and the panel are both made of hard plastic, and the panel is designed in a rectangular shape.

Preferably, the inner side of the expansion sleeve is provided with a thread groove, and the thread groove is matched with the thread on the outer surface of the screw rod.

Preferably, the top of the wall surface is provided with a mounting hole, and the mounting hole is matched with the expansion sleeve.

Preferably, the top of the panel is provided with a decorative hole, and the decorative hole is matched with the top of the expansion screw.

(III) advantageous effects

Compared with the prior art, the utility model provides an expansion screw that can level possesses following

Has the advantages that:

the expansion screw capable of leveling is characterized in that a mounting hole is formed in the top of a wall surface, an expansion sleeve is placed in the mounting hole, a thread groove matched with threads on the outer side of a screw rod is formed in the expansion sleeve, the screw rod penetrates through a decorative plate and is twisted into the expansion sleeve, the expansion screw is simultaneously twisted into the screw rod, the bottom of the outer surface of the screw rod is enabled to be located in the wall surface to expand and drive the expansion sleeve to expand, the position of the screw rod is fixed, an adjusting nut is twisted, the bottom of the adjusting nut is enabled to be in contact with the top of the decorative plate, a plurality of devices are arranged and the adjusting nut is adjusted, the leveling degree of the decorative plate is adjusted, gaskets can be placed between the decorative plate and the wall surface, the leveling degree of the decorative plate is adjusted by the aid of the adjusting nut, the arrangement of decorative holes ensures the attractiveness of the screw when the expansion, after the adjusting nut finishes adjusting, wrench movement fastening nut for fastening nut's bottom contacts with adjusting nut's top, and fixes adjusting nut's position, and the device overall structure is simple, and is easy and simple to handle, through setting up a plurality of the device and adjusting nut, reaches the purpose of adjustment decorative board horizontally, and the monolithic stationary is stable, and low in cost, and practical strength is high, and easy to use is applicable to various circumstances.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a perspective view of the screw rod, the adjusting nut, the panel and the expansion screw of the present invention.

In the figure: 1 wall, 2 inflation covers, 3 screw rods, 4 decorative boards, 5 adjusting nuts, 6 fastening nuts, 7 panels, 8 inflation screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an expansion screw capable of leveling comprises a wall surface 1, an expansion sleeve 2 is movably connected inside the wall surface 1, a mounting hole is formed in the top of the wall surface 1 and is matched with the expansion sleeve 2, a screw rod 3 with one end penetrating through and extending to the outside of the expansion sleeve 2 is movably connected inside the expansion sleeve 2, a thread groove is formed in the inner side of the expansion sleeve 2 and is matched with the thread on the outer surface of the screw rod 3, the screw rod 3 is conveniently connected with the expansion sleeve 2, meanwhile, the screw rod 3 and the expansion sleeve 2 have certain stability, a decorative plate 4 is movably connected on the outer surface of the screw rod 3 and located at the top of the wall surface 1, a panel 7 is fixedly installed at the top of the screw rod 3, the screw rod 3 and the panel 7 are both made of hard plastic, the production cost is reduced, the panel 7 is designed to be rectangular, an expansion screw 8 is movably connected inside the panel 7, the decorative hole is matched with the top of the expansion screw 8, the expansion screw 8 is a four-corner expansion screw, the axis of the expansion screw 8, the center of the panel 7 and the axis of the screw rod 3 are positioned on the same straight line, the top of the outer surface of the screw rod 3 is movably connected with a fastening nut 6, the top of the outer surface of the screw rod 3 is movably connected with an adjusting nut 5 below the fastening nut 6, the fastening nut 6 and the adjusting nut 5 are both hexagon nuts, the adjusting nut 5 and the fastening nut 6 are in threaded connection with the screw rod 3, the adjusting nut 5 and the fastening nut 6 can slide on the screw rod 3 conveniently, the mounting hole is formed in the top of the wall surface 1, the expansion sleeve 2 is placed in the mounting hole, as the thread groove matched with the outer thread of the screw rod 3 is formed in the expansion sleeve 2, the screw rod 3 passes through the decorative plate 4 and is twisted into the expansion sleeve 2, and the expansion, the bottom of the outer surface of the screw rod 3 is expanded and positioned in the wall surface 1, the expansion sleeve 2 is driven to expand, so that the position of the screw rod 3 is fixed, the adjusting nut 5 is twisted, the bottom of the adjusting nut 5 is contacted with the top of the decorative plate 4, the flatness of the decorative plate 4 is adjusted by arranging a plurality of devices and adjusting the adjusting nut 5, meanwhile, a gasket can be arranged between the decorative plate 4 and the wall surface 1, the adjusting nut 5 is assisted to adjust the flatness of the decorative plate 4, the arrangement of decoration holes ensures the attractiveness of the expansion screw 8 when in use, by arranging the fastening nut 6, after the adjusting nut 5 is adjusted, the fastening nut 6 is twisted, so that the bottom of the fastening nut 6 is contacted with the top of the adjusting nut 5, and the position of the adjusting nut 5 is fixed, the device has a simple integral structure and is convenient to operate, and by arranging a plurality of devices and adjusting the adjusting nuts 5, the purpose of adjusting the level of the decorative plate 4 is achieved, the whole fixing is stable, the manufacturing cost is low, the practical strength is high, the use is easy, and the decorative plate is suitable for various conditions.

To sum up, the expansion screw capable of leveling is provided with a mounting hole through the top of the wall surface 1, the expansion sleeve 2 is placed in the mounting hole, as the expansion sleeve 2 is internally provided with a thread groove matched with the thread on the outer side of the screw rod 3, the screw rod 3 penetrates through the decorative plate 4 and is twisted into the expansion sleeve 2, meanwhile, the expansion screw 8 is twisted into the screw rod 3, the bottom of the outer surface of the screw rod 3 is positioned in the wall surface 1 and is expanded, the expansion sleeve 2 is driven to expand, so that the position of the screw rod 3 is fixed, the adjusting nut 5 is twisted, so that the bottom of the adjusting nut 5 is contacted with the top of the decorative plate 4, through arranging a plurality of devices and adjusting the adjusting nut 5, the leveling of the decorative plate 4 is adjusted, meanwhile, a gasket can be arranged between the decorative plate 4 and the wall surface 1, and assist the adjusting nut 5 to adjust the leveling of the decorative plate 4, and, the aesthetic property when having ensured expansion screw 8 uses, through setting up fastening nut 6, after adjusting nut 5 regulation finishes, wrench movement fastening nut 6, make fastening nut 6's bottom contact with adjusting nut 5's top, and fix adjusting nut 5's position, the device overall structure is simple, and is easy and simple to handle, through setting up a plurality of the device and adjusting nut 5, reach the purpose of adjusting decorative board 4 horizontally, the monolithic stationary is stable, and low in cost, practical strength is high, easy to use, be applicable to various situations, when using has been solved, this expansion screw is when fixed fitment fossil fragments or decorative board 4, the unevenness of wall 1 leads to fossil fragments or decorative board 4 to fix the unevenness, influence pleasing to the eye, and fix unstably, the problem of being not convenient for to use.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides an expansion screw that can level, includes wall (1), its characterized in that: the inside swing joint of wall (1) has inflation cover (2), the inside swing joint of inflation cover (2) has one end to run through and extend to inflation cover (2) outside screw rod (3), the surface of screw rod (3) and the top swing joint who is located wall (1) have decorative board (4), the top fixed mounting of screw rod (3) has panel (7), the inside swing joint of panel (7) has inflation screw (8), the top swing joint of screw rod (3) surface has fastening nut (6), the top of screw rod (3) surface and the below swing joint who is located fastening nut (6) have adjusting nut (5).

2. The levelable expansion screw of claim 1, wherein: the adjusting nut (5) and the fastening nut (6) are connected with the screw rod (3) in a threaded manner.

3. The levelable expansion screw of claim 1, wherein: the screw rod (3) and the panel (7) are both made of hard plastic, and the panel (7) is designed to be rectangular.

4. The levelable expansion screw of claim 1, wherein: the inner side of the expansion sleeve (2) is provided with a thread groove, and the thread groove is matched with the thread on the outer surface of the screw rod (3).

5. The levelable expansion screw of claim 1, wherein: the mounting hole is formed in the top of the wall surface (1) and matched with the expansion sleeve (2).

6. The levelable expansion screw of claim 1, wherein: the top of the panel (7) is provided with a decorative hole, and the decorative hole is matched with the top of the expansion screw (8).