Anti-loosening steel bar sleeve

Abstract

This utility model provides an anti-loosening rebar sleeve, relating to the field of rebar sleeves, comprising: a bottom grouting end; the bottom grouting end is welded to the bottom end of the top screw-in end, the bottom of the bottom grouting end is connected to a fixing ring structure through a connecting groove, the inside of the fixing ring structure is connected to a guide structure, a rubber guide structure is inserted into the bottom end of the bottom grouting end, and the top of the guide structure is provided with annularly arranged auxiliary grooves. When the rebar is inserted, the rebar is inserted through the insertion groove, squeezing the guide structure and auxiliary grooves, causing the guide structure to deform automatically. Because the guide structure is made of flexible rubber, it can contact the outside of the rebar, automatically sealing the space, so that the grout will not leak through the bottom during grouting. This solves the problem of common rebar sleeves where the inner wall of the bottom grouting end is at a certain distance from the rebar, making it easy for the grout to leak after grouting.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar sleeves, in particular to an anti-loosening steel bar sleeve. Background Art

[0002] A steel sleeve is a mechanical connector for connecting steel bars. A steel sleeve is also known as a steel joint: a connector used to connect steel bars and having an internal thread corresponding to the thread head thread. A steel sleeve can connect steel bars of different segments together to form a continuous structure to support the concrete structure and improve its bearing capacity and stability. In earthquake-prone areas, steel sleeves can increase the flexibility of the structure, enhance its seismic resistance, and protect buildings from earthquake damage. Steel sleeves are usually made of steel or plastic and are used to protect and reinforce steel bars to prevent them from being corroded and to play a better reinforcement role in concrete. Steel sleeves are suitable for steel bar connections in all earthquake-resistant and non-seismic reinforced concrete structural projects, and are applicable to bent steel bars, fixed steel bars, steel cages, extra-long steel bars, and occasions where they cannot rotate. However, the common steel sleeves on the market are prone to loosening of the threaded end after long-term use, which will cause the steel bars to detach, posing a safety hazard. In addition, during the grouting process of the bottom grouting end of the steel sleeve, there is a certain distance between the inner wall of the bottom end of the bottom grouting end and the steel bar. After grouting, the slurry is prone to leak. Utility Model Content

[0003] The disclosed embodiment relates to an anti-loosening steel bar sleeve, wherein after the top screw-connected end is connected to the top steel bar through a thread, a clamping rod assembly, a control rod assembly and a pressure piece can be controlled to move and install together. The control clamping rod assembly is inserted into the interior of a clamping slot with the aid of elasticity, and contacts with the outside of the top screw-connected end to be clamped and fixed, and at the same time drives the pressure piece to move to the outside of the top steel bar and contacts with the top of a force-bearing plate assembly to press and fix the force-bearing plate assembly. After the top steel bar is loosened, the force-bearing plate assembly will be driven to rise together. At this time, the pressure piece presses and fixes it, so that the force-bearing plate assembly and the top steel bar cannot rise, and thus cannot loosen, thereby improving the anti-loosening effect.

[0004] In the first aspect of the present disclosure, an anti-loosening steel bar sleeve is provided, which specifically includes: a top screw-on end; a top steel bar is installed inside the top screw-on end through a thread, a load-bearing plate assembly is fixed outside the top steel bar, the load-bearing plate assembly is in contact with a pressure piece, the pressure piece is welded and fixed to a clamping rod assembly, the outer end of the clamping rod assembly made of elastic metal material is an arc structure, and the clamping rod assembly is inserted into the two sides of the top screw-on end for clamping; a bottom grouting end; the bottom grouting end is welded to the bottom end of the top screw-on end and is connected to the inside of the top screw-on end, the bottom grouting end is a hollow structure, the bottom of the bottom grouting end is connected to the fixing ring structure through a connecting groove, the inside of the fixing ring structure is connected to the guide structure, the guide structure of rubber material is inserted inside the bottom end of the bottom grouting end, and the top of the guide structure is provided with auxiliary grooves evenly arranged in a ring shape.

[0005] In at least some embodiments, a clamping groove is provided on each side of the top screw-on end, a clamping rod assembly is embedded in the inside of the clamping groove, and a hexagonal force-bearing assembly is provided on the outside of the bottom end of the top screw-on end; an inner groove with a rectangular structure is provided inside the clamping rod assembly, and the two clamping rod assemblies are limited and fixed by a control rod assembly; the pressure piece presses and fixes the force-bearing plate assembly and the top steel bar.

[0006] In at least some embodiments, a grouting port is provided on the top side of the bottom grouting end, and the interior of the grouting port is connected to the interior of the bottom grouting end; a grouting port is provided on the bottom side of the bottom grouting end, and the interior of the grouting port is connected to the interior of the bottom grouting end; the outer end of the grouting port is provided with an insertion head structure made of flexible rubber material, the interior of the insertion head structure is a trumpet-shaped structure, and the inner bottom end of the bottom grouting end is provided with a connecting groove; a fixing ring structure is embedded in the connecting groove, and an insertion groove is opened in the fixing ring structure, and the inner bottom end of the insertion groove is a trumpet-shaped structure.

[0007] The utility model provides an anti-loosening steel bar sleeve, which has the following beneficial effects:

[0008] After the top screw end is connected to the top steel bar through threads, the clamping rod assembly, the control rod assembly and the pressure piece can be controlled to move and install together. The control clamping rod assembly is inserted into the interior of the clamping slot with the help of elasticity, and at the same time contacts with the outside of the top screw end, clamped and fixed, and at the same time drives the pressure piece to move to the outside of the top steel bar, and at the same time contacts with the top of the force-bearing plate assembly, presses and fixes the force-bearing plate assembly, and after the top steel bar is loosened, it will drive the force-bearing plate assembly to rise together. At this time, the pressure piece presses and fixes it, so that the force-bearing plate assembly and the top steel bar cannot rise, and then cannot loosen, thereby improving the anti-loosening effect.

[0009] Before grouting, the bottom grouting end can control the guide structure to be inserted into the bottom end of the bottom grouting end, so that the fixed ring structure is inserted into the inside of the connecting groove, and the guide structure is limited and fixed. When the steel bar is inserted, the steel bar is inserted through the insertion groove to squeeze the guide structure and the auxiliary groove, so that the guide structure is automatically deformed. Since the guide structure is made of flexible rubber material, it can contact the outside of the steel bar and automatically seal the space, so that the slurry will not leak through the bottom during grouting. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0011] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0012] In the attached picture:

[0013] Figure 1 A three-dimensional structural schematic diagram of the present application is shown;

[0014] Figure 2 The exploded three-dimensional structure diagram of the present application is shown;

[0015] Figure 3 The figure shows the exploded bottom view structure diagram of the present application;

[0016] Figure 4 The schematic diagram of the exploded three-dimensional structure of the top screw connection end of the present application is shown;

[0017] Figure 5 The schematic diagram of the exploded three-dimensional structure of the bottom grouting end of the present application is shown;

[0018] Figure 6 The schematic diagram of the exploded upward structure of the bottom grouting end of the present application is shown;

[0019] Reference numerals list

[0020] 1. Top screw connection end; 101. Clamping slot; 102. Force-bearing assembly; 103. Top steel bar; 104. Force-bearing plate assembly; 105. Clamping rod assembly; 106. Inner groove; 107. Control rod assembly; 108. Pressing piece;

[0021] 2. Bottom grouting end; 201. Discharge port; 202. Grouting port; 203. Insertion head structure; 204. Connection groove; 205. Fixed ring structure; 206. Guide structure; 207. Auxiliary groove; 208. Insertion groove. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1: Please refer to Figures 1 to 6 :

[0024] The utility model proposes an anti-loosening steel bar sleeve, comprising: a top screw connection end 1; a top steel bar 103 is installed inside the top screw connection end 1 through a thread, a force plate assembly 104 is fixed outside the top steel bar 103, the force plate assembly 104 is in contact with a pressure piece 108, the pressure piece 108 is welded and fixed to a clamping rod assembly 105, the outer end of the clamping rod assembly 105 made of elastic metal material is an arc structure, the clamping rod assembly 105 is inserted into the two sides of the top screw connection end 1 for clamping, so that after the clamping rod assembly 105 is clamped and fixed, the pressure piece 108 is driven to be fixed together, and the pressure piece 108 presses and fixes the force plate assembly 104, so that the top steel bar 103 will not loosen or detach, thereby improving the anti-loosening performance. Effect: bottom grouting end 2; bottom grouting end 2 is welded to the bottom end of top screw connection end 1 and is connected with the inside of top screw connection end 1; bottom grouting end 2 is a hollow structure; the bottom of bottom grouting end 2 is connected with fixed ring structure 205 through connecting groove 204; the inside of fixed ring structure 205 is connected with guide structure 206; guide structure 206 made of rubber is inserted into the inside of the bottom end of bottom grouting end 2; auxiliary grooves 207 evenly arranged in annular shape are provided at the top of guide structure 206 to improve the flexibility of guide structure 206, so that after steel bar is inserted, guide structure 206 is automatically deformed by force and sealed with the outside of steel bar to avoid leakage of slurry after grouting.

[0025] In the present disclosure, Figure 3 and Figure 4 As shown, a clamping groove 101 is respectively provided on both sides of the top screw terminal 1, and a clamping rod assembly 105 is embedded inside the clamping groove 101 to position, insert and fix the clamping rod assembly 105 to prevent the clamping rod assembly 105 and the pressing piece 108 from detaching. A hexagonal force-bearing assembly 102 is provided on the outside of the bottom end of the top screw terminal 1, and a wrench can be used to control the rotation of the top screw terminal 1 and connect it with the thread of the top steel bar 103; a rectangular inner groove 106 is provided inside the clamping rod assembly 105 to improve the elasticity of the clamping rod assembly 105, and the two clamping rod assemblies 105 are limited and fixed by a control rod assembly 107; the pressing piece 108 presses and fixes the force-bearing plate assembly 104 and the top steel bar 103.

[0026] In the present disclosure, Figure 5 and Figure 6 As shown, a grouting port 201 is provided on the top side of the bottom grouting end 2, so that excess grout is discharged through the grouting port 201, and the interior of the grouting port 201 is connected with the interior of the bottom grouting end 2, and a grouting port 202 is provided on the bottom side of the bottom grouting end 2, and the interior of the grouting port 202 is connected with the interior of the bottom grouting end 2, so that grout is injected through the interior of the grouting port 202; the outer end of the grouting port 202 is covered with an insertion head structure 203 made of flexible rubber, and the interior of the insertion head structure 203 is a trumpet-shaped structure, so that the grouting The equipment is inserted into the interior of the insertion head structure 203, and grouting is performed through the insertion head structure 203 to prevent leakage of slurry. A connecting groove 204 is provided at the inner bottom end of the bottom grouting end 2 for inserting into the fixed ring structure 205 to limit and fix the guide structure 206. A fixed ring structure 205 is embedded in the interior of the connecting groove 204, and an insertion groove 208 is provided inside the fixed ring structure 205. The inner bottom end of the insertion groove 208 is a trumpet-shaped structure, which allows the steel bar guide to be inserted and squeezes the guide structure 206 to deform under stress.

[0027] The working principle of this embodiment is as follows: when the steel bars are connected through the steel bar sleeve, the top screw connection end 1 and the bottom grouting end 2 can be controlled to be used together first, and the top steel bar 103 can be controlled to be inserted into the top screw connection end 1 through the thread and tightened so that the bottom of the force plate assembly 104 contacts the top of the top screw connection end 1, and then the clamping rod assembly 105, the control rod assembly 107 and the pressing piece 108 are controlled to be installed, and the clamping rod assembly 105 is inserted into the inside of the clamping groove 101 for clamping and fixing, and at the same time, the bottom of the pressing piece 108 contacts the top of the force plate assembly 104, and the force plate assembly 104 and the top steel bar 103 are pressed and fixed, so that they cannot loosen and rise, thereby improving the anti-loosening effect, and then the bottom steel bar is inserted into the inside of the insertion groove 208, and the extrusion guide structure 206 is deformed by force, and then the grouting equipment is controlled to be inserted into the inside of the insertion head structure 203, and the inside of the top screw connection end 1 is grouted. During grouting, the guide structure 206 blocks the bottom end of the bottom grouting end 2 to prevent slurry leakage and quickly complete the grouting connection.

[0028] In this article, there are a few points to note:

[0029] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0030] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0031] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. An anti-loosening steel bar sleeve, characterized in that: include: A top screw connection end (1); a top steel bar (103) is installed inside the top screw connection end (1) through a thread, a force plate assembly (104) is fixed outside the top steel bar (103), the force plate assembly (104) is in contact with a pressure piece (108), the pressure piece (108) is welded and fixed to a clamping rod assembly (105), the outer end of the clamping rod assembly (105) made of elastic metal material is an arc-shaped structure, and the clamping rod assembly (105) is inserted into both sides of the top screw connection end (1) for clamping; a bottom grouting end (2); the bottom grouting The grouting end (2) is welded to the bottom end of the top screw connection end (1) and is connected to the inside of the top screw connection end (1). The bottom grouting end (2) is a hollow structure. The bottom of the bottom grouting end (2) is connected to the fixed ring structure (205) through a connecting groove (204). The inside of the fixed ring structure (205) is connected to the guide structure (206). The guide structure (206) made of rubber is inserted into the bottom end of the bottom grouting end (2). The top of the guide structure (206) is provided with annular evenly arranged auxiliary grooves (207).

2. The anti-loosening steel bar sleeve according to claim 1, characterized in that: A clamping groove (101) is respectively provided on both sides of the top screw connection end (1), a clamping rod assembly (105) is embedded inside the clamping groove (101), and a hexagonal force-bearing assembly (102) is provided outside the bottom end of the top screw connection end (1).

3. The anti-loosening steel bar sleeve according to claim 2, characterized in that: An inner groove (106) of a rectangular structure is provided inside the clamping rod assembly (105), and the two clamping rod assemblies (105) are fixed in position by a control rod assembly (107).

4. The anti-loosening steel bar sleeve according to claim 3, characterized in that: The pressing piece (108) presses and fixes the load-bearing plate assembly (104) and the top end steel bar (103).

5. The anti-loosening steel bar sleeve according to claim 4, characterized in that: A grouting port (201) is provided on the top side of the bottom grouting end (2), the interior of the grouting port (201) is communicated with the interior of the bottom grouting end (2), and a grouting port (202) is provided on the bottom side of the bottom grouting end (2), the interior of the grouting port (202) is communicated with the interior of the bottom grouting end (2).

6. The anti-loosening steel bar sleeve according to claim 5, characterized in that: The outer end of the grouting port (202) is sleeved with an insertion head structure (203) made of a flexible rubber material, the interior of the insertion head structure (203) is a trumpet-shaped structure, and the inner bottom end of the bottom grouting end (2) is provided with a connection groove (204).

7. The anti-loosening steel bar sleeve according to claim 6, characterized in that: A fixing ring structure (205) is embedded in the connection groove (204), an insertion groove (208) is provided in the fixing ring structure (205), and the bottom end of the insertion groove (208) is a trumpet-shaped structure.

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