CN210484315U

CN210484315U - Expansion bolt in sheep eye circle

Info

Publication number: CN210484315U
Application number: CN201921378057.XU
Authority: CN
Inventors: 林仁洁
Original assignee: Ruian Lichen Standard Component Co ltd
Current assignee: Ruian Lichen Standard Component Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-08
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses an expansion bolt in sheep eye circle, including the body of rod, pipe box and first toper piece, the body of rod runs through the pipe box and links up with first toper piece, nested there is the packing ring on the body of rod, body of rod one end is equipped with sheep eye circle, the body of rod other end is equipped with the threaded rod, the pipe box comprises first pipe box and second pipe box, be equipped with the toper cover between first pipe box and the second pipe box, be equipped with second toper piece in the toper cover, be equipped with first inflation piece on the first pipe box, be equipped with second inflation piece on the second pipe box. Through the design of the bilateral locking structure of the pipe sleeve, the first expansion block and the second expansion block can be respectively expanded through the first conical block and the second conical block, the locking is provided for the two ends of the pipe sleeve, the locking firmness of the bolt locking is effectively enhanced, the stability of the pipe sleeve can be guaranteed when the bolt is vibrated, particles for improving friction are arranged on the expansion block, and the locking performance of the expansion block and the inner wall of the hole body is guaranteed.

Description

Expansion bolt in sheep eye circle

Technical Field

The utility model relates to a bolt equipment technical field specifically is an expansion bolts in sheep eye circle.

Background

The expansion bolt in the sheep eye ring belongs to one of expansion screws, and the expansion screw is a metal expansion screw generally, and the expansion screw is fixed by utilizing wedge-shaped inclination to promote expansion to generate friction bond force, so that the fixing effect is achieved. One end of the screw is provided with threads, and the other end of the screw is provided with conicity. The outer surface of the wall is covered by an iron sheet (some steel pipes), a half of an iron sheet cylinder (steel pipe) is provided with a plurality of notches, the iron sheet cylinder (steel pipe) and the notches are plugged into a hole drilled on the wall together, then a nut is locked, the nut pulls a screw outwards to pull the taper into the iron sheet cylinder, the iron sheet cylinder is expanded and then is tightly fixed on the wall, and the wall is generally used for fastening protective guards, rain awnings, air conditioners and the like on materials such as cement, bricks and the like. However, it is not very reliable in its fixation and may come loose if the load is subjected to large shocks, so that it is not recommended to install ceiling fans and the like.

The inner expansion bolt of the sheep eye ring achieves the purpose of locking with the inner wall of the hole body by expanding the expansion block on the pipe sleeve through the conical block of the pipe sleeve, the pipe sleeve of the inner expansion bolt of the sheep eye ring on the current market adopts a unilateral locking structure, the unilateral locking structure can provide locking, but when the bolt vibrates, the expansion block on the pipe sleeve easily causes the loose connection.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an expansion bolt in sheep eye has solved the sheep eye circle expansion bolt of unilateral locking structure, when meetting the vibration, the expansion block on the pipe box leads to connecting not hard up problem easily.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an expansion bolt in sheepfold, includes the body of rod, pipe box and first toper piece, the body of rod runs through the pipe box and links up with first toper piece, nested the packing ring on the body of rod, body of rod one end is equipped with the sheepfold, the body of rod other end is equipped with the threaded rod, the pipe box comprises first pipe box and second pipe box, be equipped with the toper cover between first pipe box and the second pipe box, be equipped with second toper piece in the toper cover, be equipped with first inflation piece on the first pipe box, be equipped with the second inflation piece on the second pipe box.

Preferably, the tapered sleeve and the pipe sleeve are of an integrated structure, and the size and the shape of the tapered sleeve are correspondingly the same as those of the second tapered block.

Preferably, the first conical block and the second conical block are both provided with threaded holes, and threads in the threaded holes are opposite to threads on the inner wall of the pipe sleeve.

Preferably, the first expansion blocks are uniformly distributed on the first pipe sleeve, and gaps are formed among the first expansion blocks.

Preferably, the second expansion blocks are uniformly distributed on the second pipe sleeve, and gaps are formed among the second expansion blocks.

Preferably, the first expansion block and the second expansion block are both provided with particles, and the particles are distributed on the first expansion block and the second expansion block in an irregular arrangement.

(III) advantageous effects

The utility model provides an expansion bolts in sheep eye circle. The method has the following beneficial effects:

through the design of the bilateral locking structure of pipe box, when the bolt rotates, can drive first toper piece and second toper piece simultaneously, make first toper piece and second toper piece expand first inflation piece and second inflation piece respectively, make first inflation piece and second inflation piece provide the locking to the pipe box both ends simultaneously, the effectual fastness that has strengthened bolt locking, when the bolt runs into the vibration, can be effectual the stability of assurance pipe box, be equipped with the granule that improves friction on the inflation piece simultaneously, the locking nature of inflation piece and hole internal wall has been ensured.

Drawings

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

fig. 2 is a schematic view of the rod structure of the present invention.

In the figure, a rod body-1, a pipe sleeve-2, a first conical block-3, a gasket-4, a sheep eye ring-5, a first pipe sleeve-6, a first expansion block-7, a conical sleeve-8, a second pipe sleeve-9, a second expansion block-10, a threaded rod-11 and a second conical block-12.

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 embodiment of the present invention provides a technical solution: the utility model provides an expansion bolt in sheepfold, includes the body of rod 1, pipe box 2 and first toper piece 3, the body of rod 1 runs through pipe box 2 and links up with first toper piece 3, nested packing ring 4 has on the body of

rod

1, 1 one end of the body of rod is equipped with

sheepfold

5, 1 other end of the body of rod is equipped with threaded rod 11, pipe box 2 comprises first pipe box 6 and second pipe box 9, be equipped with toper cover 8 between first pipe box 6 and the second pipe box 9, be equipped with second toper piece 12 in the toper cover 8, be equipped with first inflation piece 7 on the first pipe box 6, be equipped with second inflation piece 10 on the second pipe box 9.

The tapered sleeve 8 and the pipe sleeve 2 are of an integrated structure, and the size and the shape of the tapered sleeve 8 are correspondingly the same as those of the second tapered block 12. The conical sleeve and the second conical block have the same structure, so that the second conical sleeve can be stably embedded in the conical sleeve.

Threaded holes are formed in the first conical block 3 and the second conical block 12, and threads in the threaded holes are opposite to threads on the inner wall of the pipe sleeve 2. The screw hole has realized running through and linking up of the body of rod, and opposite helicitic texture when having ensured the body of rod rotation, can not lead to the fact the influence to the locking of toper piece and the body of rod.

The first expansion blocks 7 are uniformly distributed on the first pipe sleeve 6, and gaps are formed among the first expansion blocks 7. The first expansion block can drive the second taper block through the rod body, so that the second taper block expands the first expansion block.

The second expansion blocks 10 are uniformly distributed on the second pipe sleeve 9, and gaps are formed among the second expansion blocks 10. The second expansion block can drive the first conical block through the rod body, so that the first conical block expands the second expansion block.

Particles are arranged on the first expansion block 7 and the second expansion block 10, and the particles are distributed on the first expansion block 7 and the second expansion block 10 in an irregular arrangement. The particles can enhance the friction force of the expansion block on the inner wall of the hole body and improve the firmness and stability of locking.

The working principle is as follows: when locking expansion bolts in the sheep eye ring, at first with the whole embedding hole internal portion of bolt, it is spacing to pipe box 2 through packing ring 4 on the body of rod 1, when spacing, only need be fixed in the hole external portion through the screw with packing ring 4 locking, lock on sheep eye ring 5 through relevant instrument at last, through rotating the body of rod 1, first toper piece 3 and second toper piece 12 that body of rod 1 is connected can expand second inflation piece 10 and first inflation piece 7 on pipe box 2 respectively, first inflation piece 7 and second inflation piece 10 after the expansion can provide the locking to pipe box 2 both ends, the last granule that improves friction that has simultaneously of inflation piece, when receiving vibrations, also can provide good locking nature and stability to pipe box 2.

The utility model relates to a rod body 1, a pipe sleeve 2, a first conical block 3, a gasket 4, a sheep eye ring 5, a first pipe sleeve 6, a first expansion block-7, a conical sleeve 8, a second pipe sleeve 9, a second expansion block 10, a threaded rod 11, a second conical block 12, wherein the components are all universal standard components or components known by technicians in the field, the structure and the principle of the expansion block are all known by technicians through technical manuals or conventional experimental methods, the problem solved by the utility model is that the sheep eye ring expansion bolt with a unilateral locking structure can easily cause loose connection when encountering vibration, the expansion block on the pipe sleeve can simultaneously drive the first conical block 3 and the second conical block 12 when the bolt rotates, so that the first conical block 3 and the second conical block 12 respectively expand the first expansion block 7 and the second expansion block 10, make first expansion block 7 and second expansion block 10 provide the locking to pipe box 2 both ends simultaneously, the effectual fastness that has strengthened bolt locking, when the bolt met the vibration, can effectual assurance pipe box 2 stability, be equipped with the frictional granule of improvement on the expansion block simultaneously, ensured the locking nature of expansion block and hole internal wall.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an expansion bolts in sheep eye circle which characterized in that: including the body of rod (1), pipe box (2) and first toper piece (3), the body of rod (1) runs through pipe box (2) and links up with first toper piece (3), nested packing ring (4) have on the body of rod (1), body of rod (1) one end is equipped with sheep eye circle (5), the body of rod (1) other end is equipped with threaded rod (11), pipe box (2) comprise first pipe box (6) and second pipe box (9), be equipped with toper cover (8) between first pipe box (6) and second pipe box (9), be equipped with second toper piece (12) in toper cover (8), be equipped with first inflation piece (7) on first pipe box (6), be equipped with second inflation piece (10) on second pipe box (9).

2. The eyelet inner expansion bolt of claim 1, wherein: the tapered sleeve (8) and the pipe sleeve (2) are of an integrated structure, and the size and the shape of the tapered sleeve (8) and the size and the shape of the second tapered block (12) are correspondingly the same.

3. The eyelet inner expansion bolt of claim 1, wherein: threaded holes are formed in the first conical block (3) and the second conical block (12), and threads in the threaded holes are opposite to threads on the inner wall of the pipe sleeve (2).

4. The eyelet inner expansion bolt of claim 1, wherein: the first expansion blocks (7) are uniformly distributed on the first pipe sleeve (6), and gaps are formed among the first expansion blocks (7).

5. The eyelet inner expansion bolt of claim 1, wherein: the second expansion blocks (10) are uniformly distributed on the second pipe sleeves (9), and gaps are formed among the second expansion blocks (10).

6. The eyelet inner expansion bolt of claim 1, wherein: particles are arranged on the first expansion block (7) and the second expansion block (10), and the particles are distributed on the first expansion block (7) and the second expansion block (10) in an irregular arrangement.