CN215720055U - Adjustable assembled expansion bolts - Google Patents

Abstract

The utility model discloses an adjustable assembly type expansion bolt which comprises an expansion pipe, an adjusting rod and a sliding expansion head, wherein the expansion pipe is of a hollow structure with openings at two ends, internal threads are arranged in the expansion pipe, an anti-rotation sharp corner is arranged at one end of the expansion pipe, a plurality of long-strip-shaped gaps are arranged on the expansion pipe, the adjusting rod is arranged in the expansion pipe in a penetrating mode, external threads matched with the internal threads are arranged on the adjusting rod, the adjusting head is arranged at one end of the adjusting rod, the sliding expansion head is sleeved at the other end of the adjusting rod, and a limiting convex rib is arranged on the sliding expansion head corresponding to the gaps. Compared with the prior art, the expansion bolt fixing device can solve the problem that the expansion bolt cannot be adjusted after being fixed.

Description

Adjustable assembled expansion bolts

Technical Field

The utility model belongs to the technical field of bolts, and particularly relates to an adjustable assembled expansion bolt.

Background

The traditional expansion bolt mainly comprises a screw, an expansion sleeve and a fastening structure, wherein the expansion sleeve is sleeved on the screw, and the fastening structure is arranged on the screw.

Currently, expansion bolts are used as fasteners for mounting decorative materials and other equipment on the wall top, wall or floor. In the existing expansion bolt technology, after the expansion bolt is fixed on a wall top, a wall surface or a ground, the expansion bolt can not be longitudinally adjusted, particularly when the expansion bolt is used for installing the integral wall top, the wall surface or the ground, a plurality of points are required to be fixed by more expansion bolts, but all the expansion bolts are difficult to ensure to be at the same horizontal position, and the adjustment is required to be carried out by installing accessories such as angle steel and the like when the expansion bolt is used, so that the installation process is complex and complicated, the installation speed is slow, and the waste of materials is also caused by the need of the accessories such as the angle steel and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the adjustable assembling type expansion bolt is provided for solving the problem that the expansion bolt cannot be adjusted after being fixed.

In order to achieve the purpose, the utility model provides an adjustable assembly type expansion bolt which comprises an expansion pipe, an adjusting rod and a sliding expansion head, wherein the expansion pipe is of a hollow structure with openings at two ends, internal threads are arranged in the expansion pipe, an anti-rotation sharp corner is arranged at one end of the expansion pipe, a plurality of long-strip-shaped gaps are arranged on the expansion pipe, the adjusting rod is arranged in the expansion pipe in a penetrating mode, external threads matched with the internal threads are arranged on the adjusting rod, the adjusting head is arranged at one end of the adjusting rod, the sliding expansion head is sleeved at the other end of the adjusting rod, and a limiting convex rib is arranged on the sliding expansion head corresponding to the gaps.

As a further description of the above technical solution:

the end part of the expansion pipe is provided with an end cover, the end cover is circular under the overlooking angle, and the anti-rotation sharp corner is connected to the end cover.

As a further description of the above technical solution:

prevent changeing the closed angle and being provided with four, four prevent changeing the closed angle and follow the circumference equidistance of end cover arranges.

As a further description of the above technical solution:

the end of the adjusting rod is provided with an adjusting cover, and the adjusting head 6 extends out of the surface of the adjusting cover 9.

As a further description of the above technical solution:

the adjusting cover is in a horn shape.

As a further description of the above technical solution:

the adjusting head is a cross adjusting head.

As a further description of the above technical solution:

and a plug is arranged at the end part of the adjusting rod.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that: when the adjusting is carried out, the adjusting head is twisted by a tool, the adjusting rod moves on the expansion pipe, at the moment, the adjusting rod drives the sliding expansion head to move, the limiting convex rib is arranged on the expansion head and is matched with the gap on the expansion pipe, the sliding expansion head can be prevented from rotating, the sliding expansion head extrudes the expansion pipe, so that the expansion pipe is fixed on the wall surface, in particular, when the assembled overhead wall surface is installed, the base layer keel is fixed on the adjusting rod and is fixed by a nut, and the base layer keel is abutted against the adjusting cover, so that the base layer keel and the adjusting rod form a whole, when the position of the overhead wall surface is adjusted, the adjusting rod only needs to be twisted to move in the expansion pipe, so that the adjusting of the base layer keel is completed, therefore, the utility model not only can play a role of connecting with the original wall surface, but also can play a role of adjusting the level of the wall surface, after the overhead wall surface is installed, the rod can be adjusted on the front surface without dismantling the base keel.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of an adjustable assembly type expansion bolt.

Fig. 2 is a perspective view of an adjustable assembly type expansion bolt.

Fig. 3 is an exploded view of an adjustable assembly expansion bolt.

Fig. 4 is a first adjustment state diagram of an adjustable assembly type expansion bolt.

Fig. 5 is a second state view of an adjustable assembly type expansion bolt.

Illustration of the drawings:

1. an expansion tube; 2. adjusting a rod; 3. sliding the expansion head; 4. anti-rotation sharp corners; 5. a gap; 6. an adjustment head; 7. limiting convex ribs; 8. an end cap; 9. an adjusting cover; 10. and (7) a plug.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that the terms "upper", "inner", and the like refer to the orientation or position relationship based on the drawings or the orientation or position relationship that the utility model product is usually placed when in use, and are only used for convenience of describing the present invention and simplifying the description, but do not refer to or imply that the device or the element to be referred must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the utility model provides an adjustable assembled expansion bolt, which comprises an expansion pipe 1, an adjusting rod 2 and a sliding expansion head 3, wherein the expansion pipe 1 is of a hollow structure with openings at two ends, internal threads are arranged in the expansion pipe 1, an anti-rotation sharp corner 4 is arranged at one end of the expansion pipe 1, a plurality of strip-shaped gaps 5 are arranged on the expansion pipe 1, the adjusting rod 2 is arranged in the expansion pipe 1 in a penetrating manner, external threads matched with the internal threads are arranged on the adjusting rod 2, an adjusting head 6 is arranged at one end of the adjusting rod 2, the sliding expansion head 3 is sleeved at the other end of the adjusting rod 2, and a limiting convex rib 7 is arranged on the sliding expansion head 3 corresponding to the gap 5.

An end cover 8 is arranged at the end part of the expansion pipe 1, the end cover 8 is circular under the overlooking angle, and the anti-rotation sharp corner 4 is connected to the end cover 8. The expansion pipe can be prevented from rotating, and the adjusting rod can move in the collision pipe conveniently.

Prevent changeing closed angle 4 and being provided with four, four prevent changeing closed angle 4 and follow the circumference equidistance of end cover 8 arranges. The installation stability of the expansion pipe can be improved, and the expansion pipe is further prevented from rotating.

The end of the adjusting rod 2 is provided with an adjusting cover 9, and the adjusting head 6 extends out of the surface of the adjusting cover 9. When connecting basic unit's fossil fragments, basic unit's fossil fragments are fixed on adjusting the pole, are using the nut fixed, and basic unit's fossil fragments and adjusting lid looks butt, and basic unit's fossil fragments have become a whole with adjusting the pole like this, when carrying out position control to built on stilts wallboard, only need twist the regulation pole, just can realize the regulation to the wallboard.

The adjusting cover 9 is in a horn shape.

The adjusting head 6 is a cross adjusting head.

The end part of the adjusting rod 2 is provided with a plug 10.

The working principle is as follows: when the adjusting is carried out, the adjusting head is twisted by a tool, the adjusting rod moves on the expansion pipe, at the moment, the adjusting rod drives the sliding expansion head to move, the limiting convex rib is arranged on the expansion head and is matched with the gap on the expansion pipe, the sliding expansion head can be prevented from rotating, the sliding expansion head extrudes the expansion pipe, so that the expansion pipe is fixed on the wall surface, in particular, as shown in figures 4 and 5, when the assembled overhead wall surface is installed, the wall surface is connected on the base layer keel, the base layer keel is fixed on the adjusting rod and is fixed by a nut, and the base layer keel is abutted against the adjusting cover, so that the base layer keel and the adjusting rod form a whole, when the position of the base layer keel is adjusted, the adjusting rod only needs to be twisted to move in the expansion pipe, the adjustment on the wall surface can be realized, the adjustment on the wall surface is completed, therefore, the utility model can play a role of connecting with the original wall surface, the function of adjusting the level of the wall surface can be achieved, after the overhead wall surface is installed, the adjusting rod can be adjusted on the front surface, and the base keel does not need to be removed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (7)

1. The utility model provides an adjustable assembled expansion bolts, its characterized in that, includes expansion pipe (1), adjusts pole (2) and slip expansion head (3), expansion pipe (1) is the hollow structure of both ends opening, be provided with the internal thread in expansion pipe (1), the one end of expansion pipe (1) is provided with prevents changeing closed angle (4), be provided with a plurality of gaps (5) that are long banding on expansion pipe (1), it wears to establish to adjust pole (2) in expansion pipe (1), be provided with the matching on adjusting pole (2) the internal screw thread, the one end of adjusting pole (2) is provided with adjusts head (6), slip expansion head (3) cover is established the other end of adjusting pole (2), correspond on slip expansion head (3) the position in gap (5) is provided with spacing protruding muscle (7).

2. An adjustable fabricated expansion bolt according to claim 1, characterized in that the end of the expansion pipe (1) is provided with an end cap (8), the end cap (8) is circular in top view, and the anti-rotation sharp corner (4) is connected to the end cap (8).

3. An adjustable assembly expansion bolt according to claim 2, characterized in that said anti-rotation cusps (4) are provided with four, four of said anti-rotation cusps (4) being arranged equidistantly along the circumference of said end cover (8).

4. Adjustable assembly expansion bolt according to claim 1, characterised in that the end of the adjustment rod (2) is provided with an adjustment cover (9), the adjustment head (6) extending beyond the surface of the adjustment cover (9).

5. An adjustable assembled expansion bolt according to claim 4, characterized in that the adjusting cover (9) is trumpet shaped.

6. An adjustable assembly expansion bolt according to claim 1 or 4, characterized in that the adjustment head (6) is a cross adjustment head.

7. Adjustable fabricated expansion bolt according to claim 1, characterized in that the end of the adjusting rod (2) is provided with a plug (10).

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