CN216618165U

CN216618165U - Improved concrete embedded anchor bolt

Info

Publication number: CN216618165U
Application number: CN202023055971.6U
Authority: CN
Inventors: 崔晋; 赵立松; 由理; 耿博
Original assignee: Liaoning Qianda Qiyao Industrial Co ltd
Current assignee: Liaoning Qianda Qiyao Industrial Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2022-05-27
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses an improved concrete embedded anchor bolt, which comprises an extension base and an extension pull rod, wherein a petal barrel is integrally formed on the upper surface of the extension base, a locking nut is screwed on the periphery of the petal barrel, a conical expansion head is slidably mounted in the petal barrel, the expansion end is positioned below the petal barrel, the extension pull rod is integrally formed at the upper end of the conical expansion head, a threaded rod is integrally formed at the upper end of the extension pull rod, and a limit ring sheet is integrally formed at the periphery of the lower end of the threaded rod; through the whole lifting surface area of extension base, solve the uneven problem of single-screw atress then, and stop ring piece, fastening nut and lock nut have replaced original two nut structures to realize effectual locking fixed, connect outside annex through the annex connecting cylinder simultaneously, increase original suitable ductility, and connecting screw makes the extension base can be directly to connecting other combination fixing device, increase stability then.

Description

Improved concrete embedded anchor bolt

Technical Field

The utility model relates to the technical field of anchor bolt equipment, in particular to an improved concrete embedded anchor bolt.

Background

During the concrete structure is connected, the type that generally adopts two or more crab-bolts of pre-buried in advance in concrete structure provides the installation basis for outside steel body structure, current pre-buried crab-bolt is mostly monomer structure, a small number adopts the connector, when using, free crab-bolt structure is because the design of bent angle folding rod, make the pulling force that its own can bear not big, simultaneously because the stress of bent angle folding rod, very easily damage the structure of concrete itself, and the connector, because of the restriction of service environment, make when appearing needing singly, need process and handle and just can realize pre-buried, and the single result of use after the processing is far away not as current single rod-bar formula, we provide an improved concrete pre-buried crab-bolt for this reason.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an improved concrete anchor to solve the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a modified concrete embedded anchor bolt, includes the extension base and extends the pull rod, the upper surface integrated into one piece of extension base has a petal section of thick bamboo, petal section of thick bamboo periphery spiral shell is equipped with lock nut, slidable mounting has toper inflation head in a petal section of thick bamboo, and the inflation end is located the below, toper inflation head upper end integrated into one piece has the extension pull rod, it has the threaded rod to extend pull rod upper end integrated into one piece, the lower extreme periphery integrated into one piece of threaded rod has the spacing ring piece, the threaded rod is equipped with lock nut and fastening nut by last spiral shell in proper order under to.

Preferably, an accessory connecting cylinder is integrally formed on the lower surface of the extension base, and a connecting screw rod is screwed in the accessory connecting cylinder.

Preferably, the petal barrel is provided with a V-shaped petal opening, and the opening is positioned at the upper end edge of the petal barrel.

Preferably, the periphery of the middle part of the connecting screw rod is integrally formed with a hexagonal extending edge, and the hexagonal extending edge is a regular hexagon.

Preferably, the lower surface of the extension base is provided with an inner concave hole, the accessory connecting cylinder is concentric with the inner concave hole, and the inner wall of the accessory connecting cylinder and the inner wall of the inner concave hole are provided with continuous threads.

Preferably, the depth of the concave hole on the lower surface of the extension base is one third to one half of the thickness of the extension base.

Compared with the prior art, the utility model has the beneficial effects that: through the whole lifting surface area of extension base, solve the uneven problem of single-screw atress then, and stop ring piece, fastening nut and lock nut have replaced original two nut structures to realize effectual locking fixed, connect outside annex through the annex connecting cylinder simultaneously, increase original suitable ductility, and connecting screw makes the extension base can be directly to connecting other combination fixing device, increase stability then.

Drawings

FIG. 1 is a main sectional structural view of the present invention;

FIG. 2 is a schematic main sectional view of the extended base of the present invention;

fig. 3 is a schematic view of the connecting screw according to the present invention.

In the figure: 1. the extension base, 2, a petal section of thick bamboo, 3, lock nut, 4, extend the pull rod, 5, spacing ring piece, 6, threaded rod, 7, fastening nut, 8, locknut, 9, toper inflation head, 10, connecting screw, 11, hexagonal extend along, 12, annex connecting cylinder, 13, lamella mouth.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-3, the present invention provides a technical solution: an improved concrete embedded anchor bolt comprises an extension base 1 and an extension pull rod 4, wherein the extension base 1 is two basic components of the utility model, the extension base 1 increases the stress area and ensures the stress uniformity, the extension pull rod 4 is suitable for different environments through the selection of the length and simultaneously transmits the stress, a petal barrel 2 is integrally formed on the upper surface of the extension base 1, the locking can be carried out under the action of a locking nut 3 through the open structure of the petal barrel 2, the locking nut 3 is screwed on the periphery of the petal barrel 2, the locking nut 3 is a conical nut, the upper end of the conical nut is a thin opening, the lower end of the conical nut is a wide opening, the petal barrel 2 can be clasped through the change of the aperture, a conical expansion head 9 is slidably mounted in the petal barrel 2, the expansion end is positioned below, the petal barrel 2 and the locking nut 3 are matched for effective clasping and fastening, and then the extension pull rod 4 on the petal barrel is fixed, the utility model discloses a steel bar drawing machine, including toper inflation head 9, threaded rod 6, limit ring piece 5, cooperation fastening nut 7 and locknut 8, the upper end integrated into one piece of toper inflation head has extension pull rod 4, connects toper inflation head 9 and threaded rod 6, realizes the transmission of pulling force, extension pull rod 4 upper end integrated into one piece has threaded rod 6, provides the screw-thread fit structure for fastening nut 7 and locknut 8, the lower extreme periphery integrated into one piece of threaded rod 6 has spacing ring piece 5, and cooperation fastening nut 7 is fixed to outside steel spare, threaded rod 6 is equipped with locknut 8 and fastening nut 7 by last screw in proper order under to, fixes through fastening nut 7, prevents fastening nut 7 pine knot through locknut 8.

Increase lifting surface area through extension base 1, guarantee the homogeneity of atress when using simultaneously, increase the tolerance of device then, and a petal section of thick bamboo 2 is fixed to carrying out the cohesion to toper inflation head 9 under lock nut 3's effect, further carry out the atress by outside concrete structure simultaneously and share, change the direction of force simultaneously, further increase bearing capacity, and spacing ring piece 5, fastening nut 7 and locknut 8's cooperation for it is more firm to the fixed of outside steel spare.

Specifically, an accessory connecting cylinder 12 is integrally formed on the lower surface of the extension base 1, and a connecting screw 10 is screwed in the accessory connecting cylinder 12.

Through the accessory connecting cylinder 12, the extension base 1 can be connected with a connecting piece similar to a U shape and is combined with other extension bases 1 in the same working direction, and the connecting screw rod 10 enables the extension base 1 which is expected to work to be combined with the extension base 1 with the increased action depth.

Specifically, the petal barrel 2 is provided with a V-shaped opening 13, and the opening is located at the upper end edge of the petal barrel 2.

Through seting up of lamella mouth 13 for a petal section of thick bamboo 2 can carry out the cohesion, guarantees then that the aperture of cohesion back upper end is less than the aperture of lower extreme, thereby cooperation toper inflation head 9 locks it.

Specifically, the periphery of the middle portion of the connection screw 10 is integrally formed with a hexagonal extending edge 11, and the hexagonal extending edge 11 is a regular hexagon.

Through hexagonal extension edge 11 of regular hexagon for can fasten through auxiliary instrument such as spanner, reduce the injury that the hand directly operated the time causes the human body.

Specifically, an inner concave hole is formed in the lower surface of the extension base 1, the accessory connecting cylinder 12 is concentric with the inner concave hole, and continuous threads are formed in the inner wall of the accessory connecting cylinder 12 and the inner wall of the inner concave hole.

An inner concave hole is formed in the lower surface of the extension base 1, and the accessory connecting cylinder 12 extends towards the inner concave hole in a threaded mode, so that the connecting screw 10 can be combined with the extension base 1, and the integrity and the bending moment resistance are improved.

Specifically, the depth of the concave hole on the lower surface of the extension base 1 is one third to one half of the thickness of the extension base 1.

Through the restriction of the depth of the concave hole, the combinability of the connecting screw rod 10 and the extension base 1 is ensured, and the overall strength of the extension base 1 can also be ensured.

The working principle is as follows: when the device is used, the extension pull rod 4 with the length according with the use condition is selected according to the use condition, the conical expansion head 9 is placed in the petal barrel 2, the locking nut 3 is screwed, so that the petal barrel 2 performs inclusion locking on the conical expansion head 9, then the device is placed according to a preset position, pre-embedding is achieved after concrete is poured, and when a steel piece is fixed, the steel piece is effectively fixed through the fastening nut 7, the locking nut 8 and the limiting ring plate;

when the same-direction embedded anchor bolts are needed to be combined, the U-shaped components can be connected through the accessory connecting cylinders 12 of the extension bases 1, and effective combination and use are carried out;

when the bearing capacity needs to be increased along the longitudinal depth, the connecting screw rod 10 can be connected with other extension bases 1 or fixing components, so that the acting depth in use is increased.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a modified concrete embedded anchor, includes extension base (1) and extension pull rod (4), its characterized in that: the upper surface integrated into one piece that extends base (1) has a petal section of thick bamboo (2), a petal section of thick bamboo (2) periphery spiral shell is equipped with lock nut (3), slidable mounting has toper inflation head (9) in a petal section of thick bamboo (2), and the inflation end is located the below, toper inflation head (9) upper end integrated into one piece has extension pull rod (4), extension pull rod (4) upper end integrated into one piece has threaded rod (6), the lower extreme periphery integrated into one piece of threaded rod (6) has spacing ring piece (5), threaded rod (6) are equipped with lock nut (8) and fastening nut (7) by last spiral shell in proper order under to.

2. An improved concrete anchor according to claim 1, wherein: an accessory connecting cylinder (12) is integrally formed on the lower surface of the extension base (1), and a connecting screw rod (10) is arranged in the accessory connecting cylinder (12) in a threaded mode.

3. An improved concrete anchor according to claim 1, wherein: the petal barrel (2) is provided with a V-shaped petal opening (13), and the opening is positioned at the upper end edge of the petal barrel (2).

4. An improved concrete anchor according to claim 2, wherein: the periphery of the middle of the connecting screw rod (10) is integrally formed with a hexagonal extending edge (11), and the hexagonal extending edge (11) is in a regular hexagon shape.

5. An improved concrete anchor according to claim 2, wherein: an inner concave hole is formed in the lower surface of the extension base (1), the accessory connecting cylinder (12) is concentric with the inner concave hole, and continuous threads are formed in the inner wall of the accessory connecting cylinder (12) and the inner wall of the inner concave hole.

6. An improved concrete embedment anchor as claimed in claim 5, wherein: the depth of the concave hole on the lower surface of the extension base (1) is one third to one half of the thickness of the extension base (1).