CN212455128U - Quick detachable sectional type bolt - Google Patents

Abstract

The utility model discloses an easy-to-disassemble sectional bolt, which comprises a main bolt, a self-expanding catch, a thread sleeve and a sub-bolt, one end of the main bolt is fixedly provided with a first stud, one end of the first stud, which is far away from the main bolt, is fixedly welded with a torsion column, the side surface of the first stud is movably screwed with a fastening nut, the side surface of the first stud is movably screwed with a fastening gasket, the fastening gasket is movably arranged on one side of the fastening nut close to the main bolt, four rotating pins are fixedly welded on the side surface of one end of the main bolt far away from the first stud, the four self-expanding blocking pieces are fixedly welded with the four rotating pins, the branch bolt is fixedly welded at one end of the main bolt far away from the first stud, the other end of the branch bolt is fixedly provided with a second stud, the screw sleeve is internally and fixedly provided with a fastening groove, and the outer surfaces of the four self-expanding retaining pieces are fixedly provided with fixing lugs. The utility model provides a firm installation convenient to detach's sectional type bolt again.

Description

Quick detachable sectional type bolt

Technical Field

The utility model relates to a machine part technical field specifically is a quick detachable sectional type bolt.

Background

Bolt: mechanical parts, the cylindrical threaded fastener with nut, a fastener composed of a head and a screw (a cylinder with external thread), need to be matched with the nut for fastening and connecting two parts with through holes, and this connection form is called bolt connection, if the nut is screwed off from the bolt, the two parts can be separated, so the bolt connection belongs to detachable connection.

However, the existing segmented bolt has the following disadvantages: the traditional sectional type bolt is designed for the convenience of omitting the operation of fixing two ends of an installer, but when the traditional sectional type bolt is used for being embedded into a wall body, the hole diameter drilled by an electric drill is generally larger than the hole diameter of the bolt, so the phenomenon that the bolt falls off is likely to occur in the long-time use process, the installation fixing piece falls off to cause damage or casualties, and if the hole diameter drilled by the electric drill is the same as the hole diameter of the bolt, the traditional sectional type bolt is very inconvenient in the dismounting process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an easy detachable sectional type bolt to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a quick disconnect segmented bolt comprising: the self-expanding bolt comprises a main bolt, a self-expanding baffle, a threaded sleeve and a sub-bolt, wherein one end of the main bolt is fixedly provided with a first stud, one end of the first stud, which is far away from the main bolt, is fixedly welded with a torsion column, the side surface of the first stud is movably screwed with a fastening nut, a fastening gasket is movably screwed on the side surface of the first stud, the fastening gasket is movably arranged on one side of the fastening nut close to the main bolt, four rotating pins are fixedly welded on the side surface of one end of the main bolt far away from the first stud, four self-expanding blocking pieces are fixedly welded with the four rotating pins, the branch bolt is fixedly welded at one end of the main bolt far away from the first stud, the other end of the branch bolt is fixedly provided with a second stud, the screw sleeve is fixedly provided with a fastening groove inside, the second stud is movably screwed inside the fastening groove, and the outer surfaces of the four self-expanding blocking pieces are fixedly provided with fixing lugs.

Furthermore, turn round the post and be six tight type pegs, turn round the post and be used for cooperating the hexagonal spanner to realize realizing fixed effect in screwing main bolt into the wall body.

Further, the internal surface of the fastening nut is fixedly provided with threads, and the fastening nut is matched with the first stud to realize the screwing effect.

Furthermore, the inner surface of the fastening gasket is not provided with threads, and the fastening gasket is used for reducing the pressure stress in the screwing process.

Furthermore, a fixed thread is fixedly arranged on the inner surface of the threaded sleeve, and the second stud is matched with the fixed thread to realize the effect of connecting the threaded sleeve and the second stud.

Furthermore, the self-expanding blocking piece can rotate correspondingly by taking the rotating pin as a circle center, and sliding friction force exists between the self-expanding blocking piece and the rotating pin, so that the self-expanding blocking piece is prevented from rotating.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an external spanner is rotatory turns round the post, it is fixed to realize in the wall body with the main bolt precession, continue to rotate behind the abundant embedding and turn round the post and realize the effect that swivel nut and second double-screw bolt spiro union were adjusted, relative movement takes place for second double-screw bolt and swivel nut spiro union, finally realize that the swivel nut is ejecting from expanding the separation blade, from expanding the characteristics that the separation blade withstood the wall body, fixed lug then is used for the frictional force of increase and wall body, increase fixing bolt's effect, because from expanding the separation blade and making to have certain space between bolt and the wall body in the fixed process before when dismantling, consequently easily take the bolt out, firm installation has been guaranteed, when surface mounting damages or casualties, still convenient to detach.

Drawings

Fig. 1 is a schematic structural view of a quick detachable sectional bolt according to an embodiment of the present invention;

FIG. 2 is a schematic view of the embodiment of FIG. 1 showing a partial cross-sectional structure of the quick release sectional bolt;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 1.

Reference numerals: 1. twisting the column; 2. tightening the nut; 3. tightening the gasket; 4. a first stud; 5. a main bolt; 6. self-expanding blocking sheets; 7. fixing the bump; 8. a threaded sleeve; 9. dividing bolts; 10. a second stud; 11. a fastening groove; 12. and (6) rotating the pin.

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. 1-3 together, fig. 1 is a schematic structural view of a detachable sectional bolt according to an embodiment of the present invention, fig. 2 is a schematic partial sectional structural view of the detachable sectional bolt according to the embodiment of fig. 1, and fig. 3 is a schematic partial enlarged structural view of a position a in fig. 1, wherein a detachable sectional bolt includes: the self-expansion stop piece comprises a main bolt 5, a self-expansion stop piece 6, a threaded sleeve 8 and a branch bolt 9, wherein one end of the main bolt 5 is fixedly provided with a first stud 4, the first stud 4 is matched with a fastening nut 2 to realize connection of two objects and fixation, one end of the first stud 4, which is far away from the main bolt 5, is fixedly welded with a torsion column 1, an external wrench is used for rotating the torsion column 1 to realize the effect that a second stud 10 is in threaded connection with the threaded sleeve 8 and moves relatively, and finally the effect that the threaded sleeve 8 ejects the self-expansion stop piece 6 is realized, the movable threaded sleeve on the side surface of the first stud 4 is connected with the fastening nut 2, the movable threaded sleeve on the side surface of the first stud 4 is connected with a fastening gasket 3, the fastening gasket 3 is movably arranged on one side of the fastening nut 2, which is close to the main bolt 5, one end of the main bolt 5, which is far away from the first, from expanding separation blade 6 and can changeing round pin 12 and do corresponding rotation as the centre of a circle, because the ejecting of swivel nut 8, make from expanding separation blade 6 and withstand the wall body and realize fixing bolt's characteristics, divide the one end that first double-screw bolt 4 was kept away from to bolt 9 fixed welding at main bolt 5, divide bolt 9 other end fixed to have seted up second double-screw bolt 10, fastening groove 11 has been seted up to swivel nut 8 internal fixation, and swivel nut 8 is when pasting tight wall body, owing to the friction that exists with the wall body for second double-screw bolt 10 realizes the effect of smooth spiro union regulation with swivel nut 8, second double-screw bolt 10 activity spiro union is in the inside of fastening groove 11, four from expanding separation blade 6 external fixation has seted up fixed lug 7, and fixed lug 7 is used for the increase and the frictional force of wall body, increases fixing bolt's effect.

Turn round post 1 and be six tight fixed type studs, turn round post 1 and be arranged in the cooperation hexagonal spanner realization with the effect that realizes fixing in the main bolt 5 precession wall body, the rotatory effect of turning round post 1 and then realizing swivel nut 8 and second double-screw bolt 10 spiro union regulation.

The internal surface of the fastening nut 2 is fixedly provided with threads, and the fastening nut 2 is matched with the first stud 4 to realize the screwing effect.

The inner surface of the fastening gasket 3 is not provided with threads, and the fastening gasket 3 is used for reducing the compressive stress in the screwing process and preventing the damage to other objects caused by the excessive compressive stress.

The inner surface of the threaded sleeve 8 is fixedly provided with a fixed thread, and the second stud 10 is matched with the fixed thread to realize the function of connecting the threaded sleeve 8 and the second stud 10.

The self-expanding blocking piece 6 can rotate correspondingly by taking the rotating pin 12 as a circle center, and sliding friction force exists between the self-expanding blocking piece 6 and the rotating pin 12, so that the self-expanding blocking piece 6 is prevented from rotating, and the phenomenon that the self-expanding blocking piece 6 rotates is avoided, and the self-expanding blocking piece 6 rotates to influence the embedding of the bolt when the bolt is installed in a wall body.

To sum up, the utility model provides an easy-to-detach sectional type bolt, when working, when the wall body is first provided with the mounting hole with the electric drill, the swivel nut 8 of the bolt is firstly embedded into the mounting hole, the external wrench rotates the knob post 1, the main bolt 5 is screwed into the wall body to realize the fixing effect, after fully embedding, the knob post 1 is continuously rotated to realize the effect of the screw nut 8 and the second stud 10 in the screw joint adjustment, when the screw nut 8 is tightly attached to the wall body, because of the friction with the wall body, the second stud 10 and the screw nut 8 realize the effect of the smooth screw joint adjustment, the second stud 10 and the screw nut 8 are in the relative movement, finally, the screw nut 8 is ejected out the self-expanding blocking piece 6, the self-expanding blocking piece 6 is abutted against the wall body, the fixing lug 7 is used for increasing the friction force with the wall body, the effect of fixing the bolt is increased, when fixing the bolt is completed, the first stud 4 is matched with the fastening nut 2 to realize the, tightly decide gasket 3 then is used for reducing the compressive stress of the tight in-process of spiral shell, prevent that too big compressive stress from leading to the damage to other article, meanwhile there is sliding friction power between expanding separation blade 6 and commentaries on classics round pin 12 certainly, be used for preventing from expanding the phenomenon that separation blade 6 took place the rotation, avoid when the bolt imbeds the wall body, the rotation that expands separation blade 6 influences the embedding of bolt, when dismantling this bolt, use the spanner gyration to turn round post 1, directly take out this bolt afterwards can, because from expanding separation blade 6 and having certain space between the fixed in-process before messenger bolt and the wall body, consequently easily take out the bolt.

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.

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 (6)

1. A quick detachable sectional type bolt which is characterized by comprising: the self-expansion bolt comprises a main bolt (5), a self-expansion baffle (6), a threaded sleeve (8) and a branch bolt (9), wherein one end of the main bolt (5) is fixedly provided with a first stud (4), the first stud (4) is far away from one end of the main bolt (5) and is fixedly welded with a torsion column (1), the first stud (4) is movably screwed with a fastening nut (2) on the side surface, the first stud (4) is movably screwed with a fastening gasket (3) on the side surface, the fastening gasket (3) is movably arranged on one side of the fastening nut (2) close to the main bolt (5), the main bolt (5) is far away from one end of the first stud (4) and is fixedly welded with four rotation pins (12), the self-expansion baffle (6) and the four rotation pins (12) are fixedly welded, the branch bolt (9) is fixedly welded at one end of the main bolt (5) far away from the first stud (4), the other end of the branch bolt (9) is fixedly provided with a second, the screw sleeve (8) is fixedly provided with a fastening groove (11) inside, the second stud (10) is movably screwed in the fastening groove (11), and the outer surfaces of the four self-expanding blocking pieces (6) are fixedly provided with fixing lugs (7).

2. The easy-to-disassemble segmented bolt according to claim 1, wherein the torsion column (1) is a six-side-tightened setting column, and the torsion column (1) is used for matching with a hexagonal wrench to realize the fixing effect of screwing the main bolt (5) into a wall body.

3. The quick disconnect segmented bolt of claim 1, further comprising: the inner surface of the fastening nut (2) is fixedly provided with threads, and the fastening nut (2) is matched with the first stud (4) to realize the screwing effect.

4. The quick disconnect segmented bolt of claim 1, further comprising: the inner surface of the fastening gasket (3) is not provided with threads, and the fastening gasket (3) is used for reducing the compression stress in the screwing process.

5. The quick disconnect segmented bolt of claim 1, further comprising: the inner surface of the threaded sleeve (8) is fixedly provided with a fixed thread, and the second stud (10) is matched with the fixed thread to realize the function of connecting the threaded sleeve (8) and the second stud (10).

6. The quick disconnect segmented bolt of claim 1, further comprising: the self-expanding blocking piece (6) can rotate correspondingly by taking the rotating pin (12) as a circle center, and sliding friction force exists between the self-expanding blocking piece (6) and the rotating pin (12) and is used for preventing the self-expanding blocking piece (6) from rotating.

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