CN212959432U - Pre-buried groove rivet - Google Patents

Abstract

The utility model relates to the technical field of rivets, in particular to a pre-buried groove rivet, which is characterized in that the rivet comprises a rivet cap and a rivet rod, the rivet cap comprises a first rivet cap and a second rivet cap, and the first rivet cap is in a cylindrical shape; the second rivet cap is integrally formed at the lower end of the first rivet cap and is in a circular truncated cone shape, and the diameter of the upper surface of the second rivet cap is larger than that of the lower surface of the second rivet cap and is equal to that of the first rivet cap; the rivet rod is integrally formed at the lower end of the second rivet cap, and a grid stopper is arranged in the middle of the rivet rod. The utility model discloses add check fender piece on current rivet stem, check fender piece can increase the degree and the frictional force that combine between rivet and the concrete, prevents that the rivet from deviating from in the concrete to this can increase the fixed stability of embedded groove.

Description

Pre-buried groove rivet

Technical Field

The utility model relates to a rivet technical field, concretely relates to embedded groove rivet.

Background

The embedded groove is widely applied to occasions of rail transit, high-speed rail, buildings and the like, and T-shaped bolts matched with the embedded groove are adopted to realize the installation of various structural bodies, so that the embedded groove can replace building connecting members of traditional anchor bolts. The installation and fixation of the existing embedded groove are realized through rivets riveted on the embedded groove, and during construction, the embedded groove is firstly installed on a component in hidden engineering, and then concrete is poured to enable the rivets to be clamped in the concrete to achieve the purpose of fixing the embedded groove. But conventional embedded groove rivet is mostly the cylinder type, and there is protruding shape only at the top, leads to whole rivet to deviate from in the concrete easily, leads to the embedded groove not hard up unstability, leads to the embedded groove to drop and causes the accident even.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a buried groove rivet in advance to solve current conventional buried groove rivet and mostly be the cylinder size, there is protruding shape only at the top, leads to whole rivet to deviate from in the concrete easily, leads to the buried groove not hard up unstability, leads to the buried groove to drop the problem that causes the accident even.

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

a pre-buried groove rivet comprises a rivet for riveting with a pre-buried groove, wherein the rivet comprises a rivet cap and a rivet rod, the rivet cap comprises a first rivet cap and a second rivet cap, and the first rivet cap is cylindrical; the second rivet cap is integrally formed at the lower end of the first rivet cap and is in a circular truncated cone shape, and the diameter of the upper surface of the second rivet cap is larger than that of the lower surface of the second rivet cap and is equal to that of the first rivet cap; the rivet rod is integrally formed at the lower end of the second rivet cap, and a grid stopper is arranged in the middle of the rivet rod.

Preferably, the diameter of the rivet stem is equal to the diameter of the lower surface of the rivet cap.

Preferably, the lattice blocking piece is integrally formed in the middle of the rivet rod, and the lattice blocking piece is in a circular truncated cone shape.

Preferably, the lattice stopper comprises a fixing ring, and the fixing ring is sleeved on the rivet rod; threaded holes are uniformly formed in the side wall of the fixing ring, fastening bolts are connected with the threaded holes in an internal thread mode, and the inner ends of the fastening bolts abut against the rivet rod; the upper end of the side wall of the fixed ring is integrally formed with a first grid baffle, and the lower end of the side wall of the fixed ring is integrally formed with a second grid baffle.

Preferably, the first grid baffle and the second grid baffle are arranged in a staggered manner.

Preferably, the inner diameter of the fixing ring is larger than the diameter of the first rivet cap.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses a check keep off the piece and improve the shape of current rivet, add on current rivet stem and keep off rather than integrated into one piece's round platform type check to this increases the combination dynamics of rivet and concrete, prevents that the rivet from deviating from.

(2) The utility model discloses a check keep off the piece including solid fixed ring, solid fixed ring cover is established on the rivet bar and is fixed with fastening bolt, can increase the degree and the frictional force that rivet and concrete combine on the basis that does not change current rivet.

(3) The utility model discloses add check fender piece on current rivet stem, check fender piece can increase the degree and the frictional force that combine between rivet and the concrete, prevents that the rivet from deviating from in the concrete to this can increase the fixed stability of embedded groove.

Drawings

FIG. 1 is a schematic overall structure diagram of the first embodiment;

FIG. 2 is a rear view of FIG. 1;

FIG. 3 is a schematic view of the overall structure of the second embodiment;

FIG. 4 is a schematic structural view of a barrier according to a second embodiment;

FIG. 5 is a top view of FIG. 4;

description of the main reference numerals:

100. pre-burying a groove;

200. riveting; 201. a rivet cap; 2011. a first rivet cap; 2012. a second rivet cap; 202. a rivet stem;

300. a shelf; 301. a fixing ring; 3011. a threaded hole; 3012. fastening a bolt; 3013. a grid baffle plate I; 3014. and a second grid baffle plate.

Detailed Description

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

In the description of the present invention, it should be noted that the directions or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case to those skilled in the art.

Example 1

Referring to fig. 1-2, an embedded groove rivet comprises a rivet 200 for riveting with an embedded groove 100, the rivet 200 comprises a rivet cap 201 and a rivet rod 202, the rivet cap 201 comprises a first rivet cap 2011 and a second rivet cap 2012, and the first rivet cap 2011 is in a cylindrical shape; the second rivet cap 2012 is integrally formed at the lower end of the first rivet cap 2011 and is in a circular truncated cone shape, and the diameter of the upper surface of the second rivet cap 2012 is larger than that of the lower surface of the second rivet cap 2012 and is equal to that of the first rivet cap 2011; the rivet shaft 202 is integrally formed at the lower end of the second rivet cap 2012, and a lattice 300 is disposed at the middle of the rivet shaft 202.

In the present embodiment, the diameter of the rivet shaft 202 is equal to the diameter of the lower surface of the rivet cap two 2012. The blocking member 300 is integrally formed at the middle of the rivet shaft 202, and the blocking member 300 is in a circular truncated cone shape.

It should be noted that: the pre-buried groove 100 is provided with a rivet hole 101 corresponding to the rivet stem 202, which is the prior art.

When the riveting device is used, the bottom end of the rivet rod 202 is inserted into the riveting hole 101, then the rivet rod 202 is riveted on the embedding groove 100 by using an external embedding groove riveting machine, and finally the riveted embedding groove 100 and the rivet 200 are embedded in concrete.

Example 2

Referring to fig. 3-5, the difference from the embodiment is that, in the present embodiment, the blocking member 300 includes a fixing ring 301, and the fixing ring 301 is disposed on the rivet shaft 202; threaded holes 3011 are uniformly formed in the side wall of the fixing ring 301, fastening bolts 3012 are connected to the threaded holes 3011 through internal threads, and the inner end heads of the fastening bolts 3012 abut against the rivet stem 202; the upper end of the side wall of the fixing ring 301 is integrally formed with a first grid baffle 3013, and the lower end is integrally formed with a second grid baffle 3014.

In addition, in the embodiment, the first grid baffles 3013 and the second grid baffles 3014 are arranged in a staggered manner. The inner diameter of the retaining ring 301 is greater than the diameter of the rivet cap one 2011.

When the riveting tool is used, the bottom end of the rivet rod 202 is inserted into the riveting hole 101, and the rivet rod 202 is riveted on the embedded groove 100 by using an external embedded groove riveting machine. The fixing ring 301 is sleeved to the middle position of the rivet rod 202 from the rivet cap one 2011, then the fastening bolt 3012 is screwed to enable the inner end of the fastening bolt to be tightly abutted to the rivet rod 202, and finally the pre-buried groove 100 and the rivet 200 are pre-buried in concrete.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims (6)

1. The pre-buried groove rivet is characterized by comprising a rivet for riveting with a pre-buried groove, wherein the rivet comprises a rivet cap and a rivet rod, the rivet cap comprises a first rivet cap and a second rivet cap, and the first rivet cap is cylindrical; the second rivet cap is integrally formed at the lower end of the first rivet cap and is in a circular truncated cone shape, and the diameter of the upper surface of the second rivet cap is larger than that of the lower surface of the second rivet cap and is equal to that of the first rivet cap; the rivet rod is integrally formed at the lower end of the second rivet cap, and a grid stopper is arranged in the middle of the rivet rod.

2. A pre-buried groove rivet according to claim 1, wherein the diameter of the shank is equal to the diameter of the lower surface of the cap.

3. The pre-buried groove rivet according to claim 1, wherein the lattice stopper is integrally formed in the middle of the rivet stem, and the lattice stopper is in a circular truncated cone shape.

4. The pre-buried groove rivet according to claim 1, wherein the lattice stopper comprises a fixing ring, and the fixing ring is sleeved on the rivet rod; threaded holes are uniformly formed in the side wall of the fixing ring, fastening bolts are connected with the threaded holes in an internal thread mode, and the inner ends of the fastening bolts abut against the rivet rod; the upper end of the side wall of the fixed ring is integrally formed with a first grid baffle, and the lower end of the side wall of the fixed ring is integrally formed with a second grid baffle.

5. The pre-buried groove rivet according to claim 4, wherein the first grid baffle and the second grid baffle are arranged in a staggered mode.

6. The fastener of claim 4, wherein the inner diameter of the fastening ring is larger than the diameter of the first rivet cap.

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