Chemical anchor bolt with replaceable anchor rod

Abstract

The chemical anchor bolt with the replaceable anchor rod comprises a curing agent pipe and an anchor bolt assembly, the anchor bolt assembly comprises an external thread cylinder, a metal ring close to the top of the external thread cylinder is fixedly installed outside the external thread cylinder, and a plurality of screws penetrating to the bottom of the metal ring are movably installed at the top of the metal ring. And an internal thread groove is formed in the inner wall of the external thread cylinder. According to the chemical anchor bolt with the replaceable anchor rod, the curing agent pipe is placed into a cleaned concrete foundation drill hole, and then the anchor bolt is rotationally installed to enter the outer threaded cylinder and is fixedly connected with the outer threaded cylinder; thirdly, the whole anchor bolt assembly is put into a drill hole, a drilling machine is connected with an outer hexagonal head to drive the anchor bolt and the outer threaded cylinder to rotate, the curing agent pipe is broken when the anchor bolt assembly is drilled into the drill hole, and the curing agent flows out and adheres to the outer threaded cylinder in the hole; after the installation is completed, the external thread cylinder is reinforced by a screw through the metal ring; and finally, the outer hexagonal head is reversely rotated to drive the anchor bolt to rotate, the anchor bolt can be easily taken out for replacement, and the concrete foundation does not need to be damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical anchor technology field, concretely is a kind of anchor rod replaceable chemical anchor. BACKGROUND

[0002] Chemical anchor as a new type of fastening material, it is composed of chemical agent and metal rod body, has been widely used in various building structures, they are fixed by special chemical adhesive, and the anchor rod is glued in the concrete base material drilling, forms a firm composite, for fixing curtain wall structure, installing machine, steel structure, railing, window etc., this anchor not only has strong anchoring force, is similar to pre-burying, and has excellent properties such as acid and alkali resistance, low temperature resistance, aging resistance, heat resistance, fire resistance and low temperature sensitivity.

[0003] However, although chemical anchor has many advantages, but there are some limitations in practical application, especially in the case of needing to replace or repair anchor regularly, the traditional chemical anchor removal process is often more complex and difficult, once anchor needs to be replaced, usually need to destroy surrounding concrete or structural material, this not only increases construction difficulty and cost, also can cause adverse effects on structural integrity, so a kind of anchor rod replaceable chemical anchor is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of prior art, the utility model provides a kind of anchor rod replaceable chemical anchor to overcome the deficiencies in the prior art.

[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows:

[0006] A kind of anchor rod replaceable chemical anchor, including curing agent pipe and anchor assembly, the anchor assembly includes outer thread cylinder, metal ring is fixedly installed on the top of the outer thread cylinder, the top of the metal ring is movably installed with multiple screws passing through to the bottom, the inner wall of the outer thread cylinder is provided with internal thread groove, the top of the outer thread cylinder is screw-mounted with anchor bolt passing through to its inside, and the top of the anchor bolt is fixedly installed with outer hexagonal head.

[0007] The utility model has the advantages that: curing agent pipe is placed into clean concrete foundation drilling, then anchor bolt is rotated and installed into outer thread cylinder and fastened connection;Then, the whole anchor assembly is put into the drilling, and the anchor bolt and the outer thread cylinder are rotated by connecting the outer hexagonal head with the drilling machine, the curing agent pipe is crushed when drilling, so that the curing agent flows out and bonds the outer thread cylinder in the hole;After installation, the outer thread cylinder is reinforced by screw through metal ring;Finally, the anchor bolt is rotated by reversing the outer hexagonal head, so that the anchor bolt can be easily replaced without damaging the concrete foundation.

[0008] On the basis of the above technical scheme, the utility model further can make improvement as follows.

[0009] Further, the bottom of the external thread cylinder is fixedly installed with a circular table, the outer portion of the circular table is fixedly installed with a rounded ring plate, and the diameters of the circular table and the rounded ring plate are both smaller than the diameter of the external thread cylinder.

[0010] Further, the top of the metal ring is fixedly installed with a No. 1 rubber ring sleeved on the outer portion of the plurality of screws, and the outer portion of the anchor bolt is sleeved with a metal ring located at the top of the No. 1 rubber ring.

[0011] Further, the top of the external thread cylinder is sleeved with a No. 2 rubber ring, and the No. 2 rubber ring is located at the bottom of the metal ring. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is an overall structure schematic view of the anchor rod replaceable chemical anchor bolt.

[0013] Figure 2 It is an explosion structure schematic view of the anchor rod replaceable chemical anchor bolt.

[0014] Figure 3 It is a local section structure schematic view of the anchor rod replaceable chemical anchor bolt.

[0015] Figure 4 It is Figure 1 It is an enlarged structure schematic view of A in the middle.

[0016] Figure 5 It is Figure 3 It is an enlarged structure schematic view of B in the middle.

[0017] In the drawings, the component list represented by each sign is as follows:

[0018] 1, external thread cylinder; 2, metal ring; 3, screw; 4, internal thread groove; 5, anchor bolt; 6, external hex head; 7, circular table; 8, rounded ring plate; 9, No. 1 rubber ring; 10, metal ring; 11, No. 2 rubber ring. DETAILED DESCRIPTION

[0019] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used for explaining the utility model and are not used for limiting the range of the utility model.

[0020] Example 1, as Figures 1-5As shown in the figure, an anchor rod replaceable chemical anchor bolt comprises a curing agent pipe and an anchor bolt assembly, the anchor bolt assembly comprises an external threaded cylinder 1, a metal ring 2 is fixedly installed on the outside of the external threaded cylinder 1 close to the top of the external threaded cylinder 1, a plurality of screws 3 are movably installed on the top of the metal ring 2 and penetrate through to the bottom of the metal ring 2, an internal threaded groove 4 is formed on the inner wall of the external threaded cylinder 1, an anchor bolt 5 is threadedly installed on the top of the external threaded cylinder 1 and penetrates through to the inside of the external threaded cylinder 1, and an external hexagonal head 6 is fixedly installed on the top of the anchor bolt 5.

[0021] In use, the curing agent pipe is directly put into a clean concrete foundation drill hole, then the anchor bolt 5 is rotatably installed into the inside of the external threaded cylinder 1, at this time, the external threaded cylinder 1 and the anchor bolt 5 are threadedly fastened and connected, after the installation is completed, the anchor bolt assembly can be put into the concrete foundation drill hole, then the output end of an external drilling machine is connected with the external hexagonal head 6, at this time, the external drilling machine can drive the anchor bolt 5 and the external threaded cylinder 1 to rotate, so that the anchor bolt 5 and the external threaded cylinder 1 can be driven into the concrete foundation drill hole, at the same time of being inserted, the curing agent pipe can be crushed, after the curing agent pipe is crushed, the curing agent leaks out, so that the external threaded cylinder 1 is bonded in the inside of the concrete foundation drill hole, after the installation of the external threaded cylinder 1 and the anchor bolt 5 is completed, the plurality of screws 3 are penetrated through the metal ring 2 and drilled into the inside of the concrete foundation, so that the external threaded cylinder 1 can be secondarily reinforced, finally, the external hexagonal head 6 is reversely driven to rotate the anchor bolt 5, so that the anchor bolt 5 can be separated from the inside of the external threaded cylinder 1, at this time, the anchor bolt 5 can be easily taken out and replaced without damaging the concrete foundation.

[0022] As shown in the figure, an anchor rod replaceable chemical anchor bolt comprises a curing agent pipe and an anchor bolt assembly, the anchor bolt assembly comprises an external threaded cylinder 1, a metal ring 2 is fixedly installed on the outside of the external threaded cylinder 1 close to the top of the external threaded cylinder 1, a plurality of screws 3 are movably installed on the top of the metal ring 2 and penetrate through to the bottom of the metal ring 2, an internal threaded groove 4 is formed on the inner wall of the external threaded cylinder 1, an anchor bolt 5 is threadedly installed on the top of the external threaded cylinder 1 and penetrates through to the inside of the external threaded cylinder 1, and an external hexagonal head 6 is fixedly installed on the top of the anchor bolt 5. Figures 1-3 As shown in the figure, an anchor rod replaceable chemical anchor bolt comprises a curing agent pipe and an anchor bolt assembly, the anchor bolt assembly comprises an external threaded cylinder 1, a metal ring 2 is fixedly installed on the outside of the external threaded cylinder 1 close to the top of the external threaded cylinder 1, a plurality of screws 3 are movably installed on the top of the metal ring 2 and penetrate through to the bottom of the metal ring 2, an internal threaded groove 4 is formed on the inner wall of the external threaded cylinder 1, an anchor bolt 5 is threadedly installed on the top of the external threaded cylinder 1 and penetrates through to the inside of the external threaded cylinder 1, and an external hexagonal head 6 is fixedly installed on the top of the anchor bolt 5.

[0023] The bottom of the external threaded cylinder 1 is fixedly installed with a circular table 7, the outside of the circular table 7 is fixedly installed with a rounded ring plate 8, and the diameters of the circular table 7 and the rounded ring plate 8 are smaller than the diameter of the external threaded cylinder 1.

[0024] In this way, the circular table 7 and the rounded ring plate 8 are bonded in the concrete foundation drill hole by the curing agent, so that the resistance of the external threaded cylinder 1 can be increased and the probability of the external threaded cylinder 1 being separated from the concrete foundation drill hole can be reduced.

[0025] As shown in the figure, an anchor rod replaceable chemical anchor bolt comprises a curing agent pipe and an anchor bolt assembly, the anchor bolt assembly comprises an external threaded cylinder 1, a metal ring 2 is fixedly installed on the outside of the external threaded cylinder 1 close to the top of the external threaded cylinder 1, a plurality of screws 3 are movably installed on the top of the metal ring 2 and penetrate through to the bottom of the metal ring 2, an internal threaded groove 4 is formed on the inner wall of the external threaded cylinder 1, an anchor bolt 5 is threadedly installed on the top of the external threaded cylinder 1 and penetrates through to the inside of the external threaded cylinder 1, and an external hexagonal head 6 is fixedly installed on the top of the anchor bolt 5. Figures 1-5 As shown in the figure, an anchor rod replaceable chemical anchor bolt comprises a curing agent pipe and an anchor bolt assembly, the anchor bolt assembly comprises an external threaded cylinder 1, a metal ring 2 is fixedly installed on the outside of the external threaded cylinder 1 close to the top of the external threaded cylinder 1, a plurality of screws 3 are movably installed on the top of the metal ring 2 and penetrate through to the bottom of the metal ring 2, an internal threaded groove 4 is formed on the inner wall of the external threaded cylinder 1, an anchor bolt 5 is threadedly installed on the top of the external threaded cylinder 1 and penetrates through to the inside of the external threaded cylinder 1, and an external hexagonal head 6 is fixedly installed on the top of the anchor bolt 5.

[0026] The top of the metal ring 2 is fixedly installed with a first rubber ring 9 sleeved outside the plurality of screws 3, and a metal ring 10 is sleeved outside the anchor bolt 5 and located on the top of the first rubber ring 9.

[0027] In this way, the screw 3 is protected by the installed rubber ring 9 covering the outside of the plurality of screws 3, and the external hex head 6 moving towards the inside of the externally threaded cylinder 1 pushes the metal ring 10 to extrude the rubber ring 9, thereby preventing water from the outside from corroding the screw 3.

[0028] Embodiment 4, as shown in the figure, is a further improvement based on Embodiment 1, which is as follows: Figures 1-4

[0029] The top of the externally threaded cylinder 1 is sleeved with a second rubber ring 11, and the second rubber ring 11 is located at the bottom of the metal ring 2.

[0030] In this way, the plurality of screws 3 penetrating to the bottom of the second rubber ring 11 can drill into the concrete base material, and the metal ring 2 moving towards the deep hole drilled in the concrete base material can extrude the second rubber ring 11, thereby preventing water from the outside from eroding the connection between the concrete base material surface and the metal ring 2.

[0031] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and those skilled in the art can change, modify, replace and modify the above-mentioned embodiments within the scope of the utility model.​

Claims

1. A replaceable chemical anchor bolt, comprising a curing agent tube and an anchor bolt assembly, characterized in that: The anchor assembly includes an external threaded cylinder (1), a metal ring (2) is fixedly installed on the outside of the external threaded cylinder (1) near its top, a plurality of screws (3) are movably installed on the top of the metal ring (2) extending to its bottom, an internal threaded groove (4) is opened on the inner wall of the external threaded cylinder (1), an anchor bolt (5) extending into its interior is threaded on the top of the external threaded cylinder (1), and an external hexagonal head (6) is fixedly installed on the top of the anchor bolt (5).

2. The replaceable chemical anchor bolt according to claim 1, characterized in that: A frustum (7) is fixedly installed at the bottom of the external threaded cylinder (1), and an inverted ring plate (8) is fixedly installed on the outside of the frustum (7). The diameters of the frustum (7) and the inverted ring plate (8) are both smaller than the diameter of the external threaded cylinder (1).

3. The replaceable chemical anchor bolt according to claim 1, characterized in that: The top of the metal ring (2) is fixedly installed with a first rubber ring (9) sleeved on the outside of multiple screws (3), and the outside of the anchor bolt (5) is fitted with a metal ring (10) located on the top of the first rubber ring (9).

4. The replaceable chemical anchor bolt according to claim 1, characterized in that: The top of the external threaded cylinder (1) is fitted with a second rubber ring (11), which is located at the bottom of the metal ring (2).

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