Expansion pipe extractor

Abstract

The utility model discloses an expansion pipe extractor, which relates to the technical field of expansion pipes, and comprises a connecting column and a force application component, a threaded column is fixed on one side of the connecting column, the force application component is arranged at the end part and the outer part of the threaded column, and the force application component comprises a pull rod, a spiral sheet, an adjusting ring, a bearing and a support cylinder. According to the expansion pipe extractor, through the arrangement of the force application assembly, the connecting column can be inserted into a chuck of a drill gun, the extractor and the drill gun can be conveniently connected and fixed, when the expansion pipe is dismounted subsequently, the drill gun can drive the pull rod to rotate, so that the spiral piece rotates into the expansion pipe, and under the action of threads, the spiral piece can rotate to the interior of the expansion pipe. When the expansion pipe needs to be taken out, the spiral piece and the expansion pipe can generate interaction pulling force, at the moment, the supporting cylinder makes contact with the wall, the supporting cylinder and the adjusting ring are connected through the bearing, synchronous rotation is avoided, the position of the pull rod can be limited through the adjusting ring, and therefore the expansion pipe can be taken out through the supporting force of the supporting cylinder.

Description

Technical Field

[0001] The utility model relates to the technical field of expansion tubes, and particularly relates to an expansion tube extractor. Background Art

[0002] When using expansion bolts, they are usually used in conjunction with expansion tubes. First, a corresponding-sized hole is drilled in the fixed body with an impact drill, and then the bolt and the expansion tube are inserted into the hole, and the nut is tightened to make the bolt, the expansion tube, the installation part and the fixed body expand and tighten into one body.

[0003] Currently, when removing the expansion tube, since the expansion tube is located inside the wall hole and the exposed area is too small, it is not convenient to apply force, and the outer side of the expansion tube will be in close contact with the wall, with a large frictional force. Therefore, it is time-consuming and laborious for workers to remove the expansion tube.

[0004] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and an expansion tube extractor is provided. Content of the Utility Model

[0005] The purpose of the utility model is to provide an expansion tube extractor to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an expansion tube extractor, including a connecting column and a force application component. One side of the connecting column is fixed with a threaded column, and the force application component is arranged at the end and outside of the threaded column. The force application component includes a pull rod, a spiral piece, an adjusting ring, a bearing and a support cylinder. A spiral piece is arranged on the outer side of the pull rod. The middle outer side of the threaded column is threadedly connected with an adjusting ring, and a bearing is arranged on one side of the adjusting ring, and a support cylinder is fixed on the outer side of the bearing.

[0007] Further, the cross-section of the connecting column is hexagonal, and the width of the connecting column is smaller than the width of the threaded column.

[0008] Further, the pull rod is conical and is fixedly connected with the threaded column.

[0009] Further, a stabilizing component is arranged on the other side of the adjusting ring. The stabilizing component includes a stabilizing ring, a screw sleeve and an anti-slip groove. One side of the stabilizing ring is connected with a screw sleeve, and anti-slip grooves are formed on the outer sides of both the screw sleeve and the adjusting ring.

[0010] Further, the screw sleeve is threadedly connected with the threaded column, and the anti-slip grooves are evenly distributed in a circumferential manner on the outer side of the screw sleeve.

[0011] Further, an auxiliary component is arranged on the outer side of the support cylinder. The auxiliary component includes a support ring and a reinforcing plate. One end of the support cylinder is fixed with a support ring, and a reinforcing plate is fixed on one side of the support ring.

[0012] Further, the reinforcing plate is triangular, and the reinforcing plate is fixedly connected to the support cylinder.

[0013] Further, the number of the reinforcing plates is six, and the reinforcing plates are evenly distributed in a circumferential manner on the outer side of the support cylinder.

[0014] The utility model provides an expansion tube extractor, which has the following beneficial effects:

[0015] 1. Through the arrangement of the force application component, the connecting column can be inserted into the chuck of the drill gun, which is convenient for connecting and fixing the extractor and the drill gun. When the expansion tube is removed subsequently, the drill gun will drive the pull rod to rotate, causing the spiral blade to rotate into the expansion tube. At this time, under the action of the thread, a pulling force acting on each other will be generated between the spiral blade and the expansion tube. At this time, the support cylinder will contact the wall, and the support cylinder and the adjusting ring are connected by a bearing, so they will not rotate synchronously. Therefore, the position of the pull rod can be limited by the adjusting ring. Thus, the expansion tube can be removed by using the supporting force of the support cylinder, which is labor-saving and convenient. Moreover, the length of the exposed pull rod can be adjusted according to requirements through the adjusting ring, which is beneficial to improving the adaptability range of the expansion tube extractor;

[0016] 2. Through the arrangement of the stability component, the anti-slip grooves can be used to increase the friction force between the hand and the adjusting ring and the screw sleeve. When the screw sleeve is rotated so that the stabilizing ring is in close contact with the adjusting ring, the stabilizing ring can use its deformation ability to tighten the screw sleeve and the adjusting ring, thereby increasing the frictional resistance between the screw sleeve and the thread of the adjusting ring and enhancing the stability after adjustment. When working, the threaded column can drive the adjusting ring to rotate simultaneously, avoiding affecting the limiting performance of the support cylinder. During the supporting process, the supporting ring is used to expand the contact area between the support cylinder and the wall surface. While enhancing the stability, the pressure can also be dispersed to avoid damaging the wall surface. At the same time, the reinforcing plate is used to reinforce between the support ring and the support cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall standing structure of an expansion tube extractor of the utility model;

[0018] Figure 2 is a schematic diagram of the overall exploded structure of an expansion tube extractor of the utility model;

[0019] Figure 3 is a schematic diagram of the internal structure of the support cylinder of an expansion tube extractor of the utility model.

[0020] In the figure: 1. Connecting column; 2. Threaded column; 3. Force application assembly; 301. Pull rod; 302. Spiral piece; 303. Adjusting ring; 304. Bearing; 305. Support cylinder; 4. Stabilizing assembly; 401. Stabilizing ring; 402. Nut sleeve; 403. Anti-slip groove; 5. Auxiliary assembly; 501. Support ring; 502. Reinforcing plate. Specific implementation manner

[0021] The following further describes the implementation manner of the present utility model in detail with reference to the accompanying drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0022] As Figures 1 to 3 shown, an expansion tube extractor includes a connecting column 1 and a force application assembly 3. A threaded column 2 is fixed on one side of the connecting column 1. The cross-section of the connecting column 1 is hexagonal, and the width of the connecting column 1 is smaller than the width of the threaded column 2, which can insert the connecting column 1 into the chuck of the drill gun, facilitating the connection and fixation between the extractor and the drill gun. The force application assembly 3 is arranged at the end and outside of the threaded column 2. The force application assembly 3 includes a pull rod 301, a spiral piece 302, an adjusting ring 303, a bearing 304 and a support cylinder 305. A spiral piece 302 is arranged on the outer side of the pull rod 301. The pull rod 301 is conical and is fixedly connected to the threaded column 2. The drill gun drives the pull rod 301 to rotate, so that the spiral piece 302 rotates into the inside of the expansion tube. At this time, under the action of the thread, a pulling force acting on each other will be generated between the spiral piece 302 and the expansion tube. The adjusting ring 303 is threadedly connected to the outer side of the middle part of the threaded column 2, and a bearing 304 is arranged on one side of the adjusting ring 303, and a support cylinder 305 is fixed on the outer side of the bearing 304. The support cylinder 305 contacts the wall, and the support cylinder 305 is connected to the adjusting ring 303 through the bearing 304, so it will not rotate synchronously, and the position of the pull rod 301 can be limited through the adjusting ring 303. Therefore, the expansion tube can be taken out by using the supporting force of the support cylinder 305, and by rotating the adjusting ring 303, the length of the pull rod 301 exposed can be adjusted according to the needs, which is beneficial to improving the adaptation range of the expansion tube extractor.

[0023] As Figure 1 and Figure 2As shown in the figure, a stabilizing component 4 is provided on the other side of the adjusting ring 303. The stabilizing component 4 includes a stabilizing ring 401, a screw sleeve 402, and an anti-slip groove 403. One side of the stabilizing ring 401 is connected to the screw sleeve 402, and anti-slip grooves 403 are formed on the outer sides of both the screw sleeve 402 and the adjusting ring 303. When the screw sleeve 402 is rotated so that the stabilizing ring 401 is in close contact with the adjusting ring 303, the stabilizing ring 401 can use its deformation ability to tighten the screw sleeve 402 and the adjusting ring 303, thereby increasing the frictional resistance between the screw sleeve 402 and the thread of the threaded column 2 and enhancing the stability after adjustment. When working, the threaded column 2 can drive the adjusting ring 303 to rotate simultaneously, avoiding affecting the limiting performance of the support cylinder 305. The screw sleeve 402 is threadedly connected to the threaded column 2, and the anti-slip grooves 403 are evenly distributed in a circumferential manner on the outer side of the screw sleeve 402. The anti-slip grooves 403 are used to increase the frictional force between the hand and the adjusting ring 303 and the screw sleeve 402. An auxiliary component 5 is provided on the outer side of the support cylinder 305. The auxiliary component 5 includes a support ring 501 and a reinforcing plate 502. One end of the support cylinder 305 is fixed with the support ring 501, and one side of the support ring 501 is fixed with the reinforcing plate 502. The support ring 501 is used to expand the contact area between the support cylinder 305 and the wall surface. While enhancing the stability, it can also disperse the pressure and avoid damaging the wall surface. The reinforcing plate 502 is triangular, and the reinforcing plate 502 is fixedly connected to the support cylinder 305. The number of the reinforcing plates 502 is six, and the reinforcing plates 502 are evenly distributed in a circumferential manner on the outer side of the support cylinder 305. The reinforcing plates 502 are used to reinforce the connection between the support ring 501 and the support cylinder 305.

[0024] In summary, when using this expansion tube extractor, first, according to Figure 1 , Figure 2 and Figure 3In the structure shown in the figure, first rotate the adjusting ring 303 on the threaded column 2, and the position of the support cylinder 305 can be adjusted according to requirements. Secondly, when the stabilizing ring 401 is tightened against the adjusting ring 303 by screwing the sleeve 402, the stabilizing ring 401 can use its deformation ability to tighten the sleeve 402 and the adjusting ring 303. Then, insert the connecting column 1 into the chuck of the drill gun, and then connect and fix the connecting column 1 and the drill gun. Then, insert the pull rod 301 into the expansion tube, and start the drill gun to drive the pull rod 301 to rotate, so that the spiral blade 302 rotates into the interior of the expansion tube. And under the action of the thread, a pulling force acting on each other will be generated between the spiral blade 302 and the expansion tube. At this time, the support cylinder 305 will contact the wall, and at the same time, the threaded column 2 can drive the adjusting ring 303 to rotate simultaneously. And the support cylinder 305 and the adjusting ring 303 are connected by a bearing 304, so they will not rotate synchronously. Therefore, the position of the pull rod 301 can be limited by the adjusting ring 303. Therefore, the expansion tube can be taken out by using the supporting force of the support cylinder 305. Finally, during the supporting process, the supporting ring 501 is used to increase the contact area between the support cylinder 305 and the wall surface, disperse the pressure, and avoid damaging the wall surface. At the same time, the reinforcing plate 502 is used to reinforce between the supporting ring 501 and the support cylinder 305 to enhance the stability during use.

[0025] The embodiments of the present invention are given for purposes of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the invention and its practical application, and to enable those of ordinary skill in the art to understand the invention and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. An expansion tube extractor, comprising a connecting column (1) and a force application assembly (3), characterized in that, One side of the connecting column (1) is fixed with a threaded column (2), and the force application assembly (3) is arranged at the end and outside of the threaded column (2). The force application assembly (3) includes a pull rod (301), a spiral piece (302), an adjusting ring (303), a bearing (304) and a support cylinder (305). A spiral piece (302) is arranged on the outer side of the pull rod (301). The adjusting ring (303) is threadedly connected to the outer side of the middle part of the threaded column (2), and a bearing (304) is arranged on one side of the adjusting ring (303), and a support cylinder (305) is fixed on the outer side of the bearing (304).

2. The expansion tube extractor according to claim 1, wherein The cross section of the connecting column (1) is hexagonal, and the width of the connecting column (1) is smaller than the width of the threaded column (2).

3. The expansion tube extractor according to claim 1, wherein, The pull rod (301) is conical and is fixedly connected to the threaded column (2).

4. The expansion tube extractor according to claim 1, characterized in that, On the other side of the adjusting ring (303), a stabilizing assembly (4) is arranged. The stabilizing assembly (4) includes a stabilizing ring (401), a screw sleeve (402) and an anti-slip groove (403). One side of the stabilizing ring (401) is connected with a screw sleeve (402), and anti-slip grooves (403) are formed on the outer sides of the screw sleeve (402) and the adjusting ring (303).

5. The expansion tube extractor according to claim 4, characterized in that, The screw sleeve (402) is threadedly connected to the threaded column (2), and the anti-slip grooves (403) are evenly distributed in a circumferential manner on the outer side of the screw sleeve (402).

6. The expansion tube extractor according to claim 1, wherein, On the outer side of the support cylinder (305), an auxiliary assembly (5) is arranged. The auxiliary assembly (5) includes a support ring (501) and a reinforcing plate (502). One end of the support cylinder (305) is fixed with a support ring (501), and a reinforcing plate (502) is fixed on one side of the support ring (501).

7. The expansion tube extractor according to claim 6, wherein The reinforcing plate (502) is triangular and is fixedly connected to the support cylinder (305).

8. The expansion tube extractor according to claim 6, characterized in that, The number of the reinforcing plates (502) is six, and the reinforcing plates (502) are evenly distributed in a circumferential manner on the outer side of the support cylinder (305).

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