CN220101745U - Expansion bolt of high-efficient resistance to plucking - Google Patents

Abstract

The utility model discloses an efficient anti-pulling expansion bolt, which comprises an expansion bolt main body, wherein the expansion bolt main body consists of a countersunk head bolt, an expansion pipe and a nut, the lower end of the countersunk head bolt is connected with a conical rod, the lower end of the conical rod is connected with a connecting rod, the upper end of the countersunk head bolt is in threaded connection with a mounting ring, the nut is in threaded connection with the upper end of the countersunk head bolt and is arranged at the upper end of the mounting ring, the expansion pipe is in threaded connection with the connecting rod, the lower end of the connecting rod is provided with the expansion rod, and the expansion rod is used for expanding the expansion pipe.

Description

Expansion bolt of high-efficient resistance to plucking

Technical Field

The utility model relates to the technical field of expansion bolts, in particular to an efficient anti-pulling expansion bolt.

Background

The expansion bolt is a special threaded connecting piece for fixing a pipeline support/hanging/bracket or equipment on a wall, a floor slab and a column, and has high-efficiency anti-pulling performance.

In the efficient anti-pulling expansion bolt process, the countersunk bolt is rotated to expand the inner expansion pipe, but the existing efficient anti-pulling expansion bolt has the following problems:

the side wall of the expansion pipe is not protected or reinforced, and even after the expansion pipe is installed, the expansion pipe can be pulled out by force, as shown in patent publication No. CN217107747U, the side wall of the expansion pipe is smooth, and when the expansion pipe is expanded after the expansion work is carried out on the inside of the expansion pipe by the bolts, the expansion pipe can be taken out by force as in the form of sealing plug connection.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the efficient anti-pulling expansion bolt, and solves the problem that the efficient anti-pulling expansion bolt can reinforce the expansion bolt after internal expansion.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an expansion bolts of high-efficient anti-pulling, includes the expansion bolts main part, the expansion bolts main part comprises countersunk head bolt, expansion pipe and nut, countersunk head bolt's lower extreme is connected with the toper pole, and the lower extreme of toper pole is connected with the connecting rod, countersunk head bolt's upper end screw thread has cup jointed the collar, nut threaded connection is used for countersunk head bolt's upper end, and sets up in the upper end of collar, the expansion pipe is installed in cup joint in connecting rod department, and the expansion rod is installed to the lower extreme of connecting rod, the expansion rod is used for making the device of expansion pipe inflation.

Preferably, the upper end of expansion pipe is installed the stiffening ring, and the stiffening ring cup joints in the upper end of toper pole, the gag lever post is installed to the upper end symmetry of stiffening ring, and the upper end of gag lever post is connected in the lower extreme lateral wall of collar.

Preferably, the inside symmetry of strengthening ring installs the briquetting, and supports the lateral wall of briquetting and install the reinforcement nail, the lateral wall inside of strengthening ring is provided with the output hole, the reinforcement nail runs through in the inside of output hole, and with the inside sliding connection of output hole.

Preferably, a tensioning spring is mounted on the side wall of the pressing block, and the tail end of the tensioning spring is connected to the side wall of the reinforcing ring.

Preferably, the pressing block is arc-shaped, and the output hole arranged in the reinforcing ring is an inclined hole, and the hardness of the material of the reinforcing ring is harder.

Preferably, the countersunk head bolt has the same diameter as the connecting rod, and the diameter of the expansion rod is larger than the inner diameter of the expansion pipe and smaller than the outer diameter of the expansion pipe.

The utility model provides an expansion bolt with high efficiency and pull resistance. The beneficial effects are as follows:

this high-efficient anti-pulling expansion bolt, when using high-efficient anti-pulling expansion bolt, when rotating the nut, countersunk head bolt can drive taper rod, connecting rod and expansion rod and remove to can make through the taper rod to support the briquetting and remove to both ends, make consolidate the nail and receive the extrusion to get into the inside of wall body, make expansion bolt main part installation more firm.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a reinforcement ring structure according to the present utility model;

FIG. 3 is a schematic view of the countersunk head bolt according to the present utility model.

In the figure, a 1-expansion bolt main body, a 2-countersunk bolt, a 3-mounting ring, a 4-nut, a 5-limiting rod, a 6-reinforcing ring, a 7-expansion pipe, an 8-reinforcing nail, a 9-pressing block, a 10-tensioning spring, a 11-conical rod, a 12-connecting rod, a 13-expansion rod and a 14-output hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the embodiment of the utility model provides a technical scheme: the utility model provides an expansion bolts of high-efficient anti-pulling, includes expansion bolts main part 1, expansion bolts main part 1 comprises countersunk head bolt 2, expansion pipe 7 and nut 4, countersunk head bolt 2's lower extreme is connected with conical rod 11, and conical rod 11's lower extreme is connected with connecting rod 12, countersunk head bolt 2's upper end screw thread has cup jointed collar 3, nut 4 threaded connection is used for countersunk head bolt 2's upper end, and sets up in collar 3's upper end, expansion pipe 7 is cup jointed in connecting rod 12 department, and expansion rod 13 is installed to connecting rod 12's lower extreme, expansion rod 13 is used for making the device of expansion pipe 7 inflation.

The reinforcing ring 6 is installed to the upper end of expansion pipe 7, and reinforcing ring 6 cup joints in the upper end of toper pole 11, gag lever post 5 is installed to the upper end symmetry of reinforcing ring 6, and the upper end of gag lever post 5 is connected in the lower extreme lateral wall of collar 3 to when rotating countersunk bolt 2, through the collar 3 after the installation, can prevent that reinforcing ring 6 from following and rotating.

The inside symmetry of strengthening ring 6 installs the briquetting 9, and supports the lateral wall of briquetting 9 and install the strengthening nail 8, the lateral wall inside of strengthening ring 6 is provided with output hole 14, strengthening nail 8 runs through in the inside of output hole 14, and with the inside sliding connection of output hole 14 to through the slip of taper rod 11, can make to support briquetting 9 to both sides remove, thereby can make staple 8 export.

The tensioning spring 10 is installed to the lateral wall of supporting briquetting 9, and the end connection of tensioning spring 10 is in the lateral wall of strengthening ring 6 to can prevent that staple 8 from exporting under the effect that does not have the power extrusion.

The pressing block 9 is arc-shaped, and the output hole 14 arranged inside the reinforcing ring 6 is an inclined hole, and the hardness of the material of the reinforcing ring 6 is harder, so that the reinforcing ring 6 can be prevented from being damaged by extrusion when the expansion pipe 7 expands through the reinforcing ring 6.

The countersunk head bolts 2 and the connecting rods 12 have the same diameter, and the diameter of the expansion rods 13 is larger than the inner diameter of the expansion pipe 7 and smaller than the outer diameter of the expansion pipe 7, so that the expansion pipe 7 can be prevented from being damaged when the expansion pipe 7 is expanded.

The working principle of the device is as follows: when the efficient anti-pulling expansion bolt is used, the expansion bolt main body 1 is firstly installed in a punched hole in the wall body, the position of the mounting ring 3 is fixed, the nut 4 is rotated, the countersunk bolt 2 can be moved, the conical rod 11, the connecting rod 12 and the expansion rod 13 move along, the pressing block 11 can be moved towards two ends through the conical rod 11, the reinforcement nail 8 is embedded into the wall body, and meanwhile, the expansion pipe 7 can be expanded due to the movement of the expansion rod 13, so that the expansion bolt main body 1 has efficient anti-pulling performance.

The utility model relates to a 1-expansion bolt main body, a 2-countersunk bolt, a 3-mounting ring, a 4-nut, a 5-limiting rod, a 6-reinforcing ring, a 7-expansion pipe, an 8-reinforcing nail, a 9-pressing block, a 10-tensioning spring, an 11-conical rod, a 12-connecting rod, a 13-expansion rod and a 14-output hole, wherein the components are all universal standard components or components known to a person skilled in the art, and the structures and principles of the components are all known to the person through technical manuals or through routine experimental methods.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The utility model provides an expansion bolts of high-efficient resistance to plucking, includes expansion bolts main part (1), its characterized in that: expansion bolts main part (1) comprises countersunk head bolt (2), expansion pipe (7) and nut (4), the lower extreme of countersunk head bolt (2) is connected with taper rod (11), and the lower extreme of taper rod (11) is connected with connecting rod (12), collar (3) have been cup jointed to the upper end screw thread of countersunk head bolt (2), nut (4) threaded connection is used for the upper end of countersunk head bolt (2), and sets up in the upper end of collar (3), expansion pipe (7) are installed in cup joint in connecting rod (12), and expansion rod (13) are installed to the lower extreme of connecting rod (12), expansion rod (13) are used for making the device of expansion pipe (7) inflation.

2. The expansion bolt of claim 1, wherein the expansion bolt is highly effective against pulling, and further comprising: the upper end of expansion pipe (7) is installed and is consolidated ring (6), and consolidate ring (6) cup joint in the upper end of taper rod (11), gag lever post (5) are installed to the upper end symmetry of consolidating ring (6), and the upper end of gag lever post (5) is connected in the lower extreme lateral wall of collar (3).

3. The expansion bolt of claim 2, wherein said expansion bolt is highly effective against pulling, and further comprising: the inside symmetry of strengthening ring (6) is installed and is supported briquetting (9), and supports the lateral wall of briquetting (9) and install and consolidate nail (8), the lateral wall inside of strengthening ring (6) is provided with output hole (14), consolidate nail (8) and run through in the inside of output hole (14), and with the inside sliding connection of output hole (14).

4. The expansion bolt of claim 3, wherein said expansion bolt is highly effective against pulling, and further comprising: the side wall of the pressing block (9) is provided with a tensioning spring (10), and the tail end of the tensioning spring (10) is connected with the side wall of the reinforcing ring (6).

5. The expansion bolt of claim 3, wherein said expansion bolt is highly effective against pulling, and further comprising: the pressing block (9) is arc-shaped, an output hole (14) formed in the reinforcing ring (6) is an inclined hole, and the hardness of the material of the reinforcing ring (6) is harder.

6. The expansion bolt of claim 1, wherein the expansion bolt is highly effective against pulling, and further comprising: the countersunk head bolt (2) and the connecting rod (12) have the same diameter, and the diameter of the expansion rod (13) is larger than the inner diameter of the expansion pipe (7) and smaller than the outer diameter of the expansion pipe (7).