CN217502226U

CN217502226U - Foundation bolt

Info

Publication number: CN217502226U
Application number: CN202122151349.3U
Authority: CN
Inventors: 梁作璋; 邓桂彪; 杨东生
Original assignee: Guangdong Minghao High Strength Fasteners Co ltd
Current assignee: Guangdong Minghao High Strength Fasteners Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-09-27
Anticipated expiration: 2031-09-07

Abstract

The utility model belongs to the technical field of bolt manufacturing, in particular to a foundation bolt, which comprises a positioning rod, wherein the bottom side of the outer wall of the positioning rod is rotatably provided with a movable frame, the bottom end of the movable frame is embedded with a nut seat, the inner cavity of the nut seat is rotatably provided with a connecting rod, one end of the connecting rod penetrates through the nut seat and extends to the inner cavity of the movable frame, the outer wall of the connecting rod is provided with a first thread groove, the inner cavity of the nut seat is provided with a connecting rod through hole, the positioning rod, a bearing, the movable frame and the connecting rod of the foundation bolt are orderly connected, the structure is simple, the manufacturing cost is low, the whole height of the foundation bolt is prolonged on the basis of threaded matching by the nut seat and the connecting rod through a rotating frame, the foundation bolt can replace the existing foundation bolt, and the problem that the matched foundation bolt can be removed according to the actual site construction condition in the prior art is effectively solved, so as to improve the construction efficiency and reduce the labor intensity of constructors.

Description

Foundation bolt

Technical Field

The utility model belongs to the technical field of the bolt is made, especially, relate to a rag bolt.

Background

When the mechanical member is installed on a concrete foundation, one end of the bolt in J shape and L shape is buried in the concrete for use.

The tensile capacity of the foundation bolt is the tensile capacity of the round steel, the allowable tensile bearing capacity is the allowable tensile bearing capacity when the section area is multiplied by the allowable stress value, and the foundation bolt is generally made of Q235 steel, namely smooth round. The screw-thread steel has high strength, and the screw thread of the nut is easy to be manufactured without smooth circles. For smooth round anchor bolts, the burial depth is typically 25 times its diameter, and then a 90-degree hook is made that is about 120mm long. If the bolt diameter is large (e.g. 45mm) and the depth of the penetration is too deep, a square plate can be welded at the end of the bolt, i.e. a large head can be made (although it is also required). The burying depth and the hook are both used for ensuring the friction force between the bolt and the foundation so as not to pull out and damage the bolt.

However, when the existing anchor bolt is used for reinforced concrete, workers need to fix the anchor bolt on a reinforcing steel bar by using iron wires and the like for the first rod or the second rod, so that the anchor bolt is inconvenient to install.

Chinese patent, application number 202021216430.4 grant and disclose a rag bolt, relate to the technical field of fastener, including locating lever, connecting rod and supporting rod, connecting rod one end and locating lever one end fixed connection, the other end and supporting rod one end fixed connection, the external screw thread has been seted up to the locating lever other end, the supporting rod other end sets up towards the hookup location of locating lever and clamping rod, and clamping rod and locating lever interval set up to form the joint seam that is used for fixed reinforcing bar.

The utility model discloses a can follow vertical direction and go into the joint seam with the reinforcing bar card for the holding rod carries out the concrete placement back with the locating lever with the reinforcing bar chucking to the reinforcing bar frame, and the concrete is stretched out to locating lever screwed one end, so that the fixing of concrete pavement apparatus etc. locating lever and holding rod's interval setting, the staff of being convenient for with the reinforcing bar centre gripping between locating lever and holding rod, thereby realize improving the purpose of rag bolt installation convenience.

However, the overall height of the foundation bolt is invariable, and in the actual use process, the foundation bolt meeting the height requirement needs to be customized according to the site construction condition, so that certain trouble is brought to constructors, and the construction efficiency is relatively low.

SUMMERY OF THE UTILITY MODEL

Based on the above background, the utility model aims at providing a rag bolt utilizes nut seat and connecting rod to carry out on screw-thread fit's basis, prolongs this kind of rag bolt's whole height, and the current rag bolt of fungible effectively solves the problem that needs just can go the rag bolt of customization adaptation according to the actual site operation condition among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a rag bolt, includes the locating lever, the outer wall bottom side of locating lever is rotated and is provided with the adjustable shelf, and the bottom embedding of adjustable shelf is provided with the nut seat, the inner chamber rotation of nut seat is provided with the connecting rod, and the one end of connecting rod runs through the inner chamber that the nut seat extends to the adjustable shelf, the outer wall of connecting rod is provided with first thread groove, the inner chamber of nut seat is provided with the connecting rod through-hole, and the inner wall of connecting rod through-hole be provided with the internal thread groove of first thread groove outer wall screw thread looks adaptation.

As a preferred technical scheme of the utility model, the outer wall of locating lever is provided with the second thread groove, and the outer wall of locating lever is provided with the bearing.

As an optimal technical scheme of the utility model, the outer wall and the adjustable shelf of bearing are connected, and the top side and the bottom side of bearing all are provided with the stopper.

As a preferred technical scheme of the utility model, the outer wall fixed connection of stopper and locating lever.

As an optimized technical scheme of the utility model, the bottom of connecting rod is provided with the support rod, and the one end of support rod is provided with the supporting rod.

As an optimized technical scheme of the utility model, the material of locating lever, adjustable shelf and connecting rod is the metal rigid material.

As an optimized technical scheme of the utility model, anti-skidding groove has been seted up to the outer wall of adjustable shelf.

The utility model discloses following beneficial effect has: this rag bolt's locating lever, bearing, adjustable shelf and connecting rod etc. are connected in order, simple structure, and the cost is not high, through the swivel mount, utilize nut seat and connecting rod to carry out screw-thread fit's basis on, prolong this kind of rag bolt's whole height, the current rag bolt of fungible effectively solves among the prior art need just can go the problem of the rag bolt of customization adaptation according to the actual site operation condition to improve the efficiency of construction, alleviate constructor's intensity of labour.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

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

FIG. 2 is a schematic view of the nut seat of the present invention;

fig. 3 is a schematic top view of the bearing structure of the present invention.

The reference numbers illustrate:

100. positioning a rod; 110. a second thread groove; 200. a bearing; 210. a limiting block; 300. a movable frame; 301. an anti-slip groove; 310. a nut seat; 311. a connecting rod through hole; 312. an internal thread groove; 400. a connecting rod; 410. a first thread groove; 420. a support rod; 430. and a clamping rod.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Embodiment one, given by fig. 1-3, the utility model discloses a positioning rod 100, the outer wall bottom side of positioning rod 100 rotates and is provided with adjustable shelf 300, and the bottom embedding of adjustable shelf 300 is provided with nut seat 310, the inner chamber of nut seat 310 rotates and is provided with connecting rod 400, and one end of connecting rod 400 runs through nut seat 310 and extends to the inner chamber of adjustable shelf 300, the outer wall of connecting rod 400 is provided with first thread groove 410, the inner chamber of nut seat 310 is provided with connecting rod through-hole 311, and the inner wall of connecting rod through-hole 311 is provided with the internal thread groove 312 with the outer wall screw thread adaptation of first thread groove 410;

the positioning rod 100, the movable frame 300 and the connecting rod 400 are all made of metal rigid materials;

the outer wall of the movable frame 300 is provided with an anti-slip groove 301;

the inner thread groove 312 matched with the outer wall of the first thread groove 410 is arranged on the connecting rod through hole 311 in the nut seat 310, so that the rotating frame 300 can extend the connecting rod 400 from the inner cavity to the outer wall of the rotating frame, the overall height of the floor bolt is changed, and the requirement of conditions on an actual construction site is met;

the anti-slip groove 301 is used for increasing the friction force of the outer wall of the rotating frame 300 so that a constructor can rotate the rotating frame.

In the second embodiment, on the basis of the first embodiment, the outer wall of the positioning rod 100 is provided with a second thread groove 110, and the outer wall of the positioning rod 100 is provided with a bearing 200;

the outer wall of the bearing 200 is connected with the movable frame 300, and the top side and the bottom side of the bearing 200 are both provided with a limiting block 210;

the limiting block 210 is fixedly connected with the outer wall of the positioning rod 100;

bearing 200's meaning lies in can giving the support of swivel mount 200 when rotatory, and when bearing 200 supported swivel mount 200 and rotated, for avoiding bearing 200 to appear in the condition that the locating lever 100 outer wall moved greatly, its stopper 210 can carry out certain spacing to bearing 200, on the basis that does not influence bearing 200 normal use, avoids bearing 200 to appear great displacement on locating lever 100.

In the third embodiment, on the basis of the first embodiment, the bottom end of the connecting rod 400 is provided with a supporting rod 420, and one end of the supporting rod 420 is provided with a clamping rod 430;

the supporting rod 420 and the clamping rod 430 are used to help prevent the steel bars from falling out (as described in the prior art).

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A rag bolt, includes locating lever (100), its characterized in that: the bottom side of the outer wall of the positioning rod (100) is rotatably provided with a movable frame (300), a nut seat (310) is embedded into the bottom end of the movable frame (300), a connecting rod (400) is rotatably arranged in an inner cavity of the nut seat (310), one end of the connecting rod (400) penetrates through the inner cavity of the nut seat (310) and extends to the movable frame (300), a first thread groove (410) is formed in the outer wall of the connecting rod (400), a connecting rod through hole (311) is formed in the inner cavity of the nut seat (310), and an inner thread groove (312) matched with the outer wall thread of the first thread groove (410) is formed in the inner wall of the connecting rod through hole (311).

2. The anchor bolt of claim 1, wherein: the outer wall of the positioning rod (100) is provided with a second thread groove (110), and the outer wall of the positioning rod (100) is provided with a bearing (200).

3. An anchor stud according to claim 2, wherein: the outer wall of the bearing (200) is connected with the movable frame (300), and the top side and the bottom side of the bearing (200) are provided with limit blocks (210).

4. An anchor stud according to claim 3, wherein: the limiting block (210) is fixedly connected with the outer wall of the positioning rod (100).

5. The anchor bolt of claim 1, wherein: the bottom end of the connecting rod (400) is provided with a supporting rod (420), and one end of the supporting rod (420) is provided with a clamping rod (430).

6. The anchor bolt of claim 1, wherein: the positioning rod (100), the movable frame (300) and the connecting rod (400) are all made of metal rigid materials.

7. An anchor stud according to claim 1, wherein: the outer wall of the movable frame (300) is provided with an anti-skid groove (301).