Steel bar connector for constructional column

Abstract

The utility model provides a steel bar connector for a constructional column, which belongs to the technical field of steel bar connection and comprises a connecting column, inserting grooves are arranged at two ends of the connecting column along the axial direction, the inserting grooves are used for inserting steel bars, and first guide inclined planes are arranged at openings of the inserting grooves; the locking blocks are arranged at the openings of the inserting grooves, the multiple locking blocks are arranged to form an annular shape in a surrounding mode, and a friction protrusion is arranged on the side, facing the center line of the connecting column, of each locking block; the elastic pieces are arranged between the adjacent locking blocks; the lock caps are located at the two ends of the connecting column and connected to the connecting column in a threaded mode, inserting holes are formed in the lock caps, the inserting holes are right opposite to the inserting grooves, second guide slopes are arranged on the lock caps, and abutting slopes correspondingly abutting against the first guide slopes and the second guide slopes are arranged on the outer sides of the two ends of each lock block; the bonding assembly is used for bonding the reinforcing steel bars and the connecting columns after the reinforcing steel bars are inserted into the inserting grooves. The steel bar connecting device can be used for conveniently and reliably connecting the steel bars of the constructional column.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar connection, and more specifically, to a steel bar connector for a construction column. Background Art

[0002] In construction projects, as an important part of the wall structure, construction columns play a role in enhancing the overall seismic performance of buildings. Traditional steel bar connection methods for construction columns usually adopt welding or binding, but these methods have certain drawbacks. Firstly, welding connection requires highly skilled workers for operation, with high construction difficulty and difficult quality assurance, and problems such as insecure welding and weld defects are likely to occur. Secondly, although binding connection is relatively simple in operation, the connection strength is low and cannot fully meet the seismic requirements. In addition, welding and binding methods may also cause construction delays and increase construction costs during the construction process. Therefore, there is an urgent need in the prior art for a more convenient and reliable steel bar connection method to improve the construction efficiency and structural safety of construction columns. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a steel bar connector for a construction column, which can conveniently and reliably connect the steel bars of the construction column.

[0004] The embodiment of the utility model is realized by the following technical solutions: a steel bar connector for a construction column, including a connecting column, both ends of the connecting column in the axial direction are provided with insertion slots for inserting steel bars, and a first guiding inclined surface is arranged at the opening of the insertion slot;

[0005] Lock blocks, the lock blocks are arranged at the opening of each insertion slot, a plurality of the lock blocks are arranged in a ring, and a friction protrusion is arranged on one side of each lock block facing the center line of the connecting column;

[0006] Elastic members, the elastic members are arranged between adjacent lock blocks;

[0007] Lock caps, the lock caps are located at both ends of the connecting column and are threadedly connected to the connecting column, the lock caps are provided with insertion holes, the insertion holes are arranged opposite to the insertion slots, a second guiding inclined surface is arranged on the lock caps, and abutting inclined surfaces corresponding to and abutting against the first guiding inclined surface and the second guiding inclined surface are arranged on the outer sides of both ends of each lock block;

[0008] Adhesive assemblies, the adhesive assemblies are arranged in the insertion slots and are used for bonding the steel bars and the connecting column after the steel bars are inserted into the insertion slots.

[0009] Further, the elastic member includes a V-shaped elastic sheet, and both ends of the V-shaped elastic sheet are respectively connected to adjacent lock blocks.

[0010] Furthermore, the bonding assembly includes a membrane ring and a piercing member, the membrane ring is embedded with adhesive, the membrane ring is arranged on the bottom wall of the insertion groove, and the piercing member is used to pierce the membrane ring when the steel bar is inserted.

[0011] Furthermore, the piercing member includes a support ring, a support rod and a piercing rod, the support ring is abutted against the bottom wall of the plug-in slot, the membrane ring is arranged on the support ring and is located on the side of the support ring close to the opening of the plug-in slot, the piercing member is arranged in multiple groups along the circumference of the support ring, the support rod is fixedly arranged at the inner position of the support ring, the support rod is bent and is overall in a 'V' shape, the piercing rod is arranged at the end of one bent end of the support rod and is arranged toward the membrane ring, and an avoidance opening is opened on the support rod facing the piercing rod.

[0012] Furthermore, the cross section of the puncture rod is cross-shaped, and the end of the puncture rod that pierces the membrane ring is arranged in a pointed cone shape.

[0013] Furthermore, a plurality of glue containing grooves are formed on the inner wall of the plug-in slot, and the plurality of glue containing grooves are evenly arranged along the circumference of the plug-in slot.

[0014] Furthermore, a squeezing rod is fixedly provided on one side of the bottom wall of the locking block facing the plug-in slot, and the squeezing rod is arranged directly opposite to the membrane ring.

[0015] Furthermore, a squeezing plate is fixedly provided on one side of the squeezing rod close to the membrane ring, and the squeezing plate is arranged in an arc shape and is used for squeezing and abutting against the membrane ring.

[0016] Furthermore, a rotation groove for the wrench to rotate is provided at a middle outer wall position of the connecting column, and the outer wall of the locking cap is hexagonal in shape.

[0017] The technical solution of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0018] 1. The utility model sets a connecting column, inserts the two ends of the steel bars to be connected into the plug-in grooves at both ends of the connecting column at the same time, and then rotates and locks the locking caps at both ends of the connecting column so that the locking blocks abut against the outer wall of the steel bars, and cooperates with the bonding component to bond the steel bars and the connecting column, so that the steel bars of the structural column can be connected conveniently and reliably.

[0019] 2. The utility model provides a support ring, a support rod and a piercing rod. After the steel bar is inserted, the steel bar will drive the piercing rod on the V-shaped support rod to pierce the membrane ring, so that the adhesive flows out of the membrane ring, thereby bonding and fixing the steel bar to the connecting column. The adhesive is embedded in the membrane ring, which can prevent the adhesive from contacting with the air and affecting its use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present utility model and should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0021] Figure 1 It is a schematic diagram of the overall structure of the steel bar connector for the construction column provided by the present utility model;

[0022] Figure 2 It is a schematic diagram of the internal structure of the steel bar connector intended to be shown by the present utility model;

[0023] Figure 3 It is an exploded structure schematic diagram of the bonding component, the locking block and the elastic member intended to be shown by the present utility model;

[0024] Icon: 1 - connecting column, 11 - insertion slot, 111 - glue storage groove, 12 - first guiding inclined surface, 13 - rotation groove, 2 - locking block, 21 - friction protrusion, 22 - abutting inclined surface, 3 - elastic member, 31 - V-shaped elastic sheet, 4 - locking cap, 41 - insertion hole, 42 - second guiding inclined surface, 5 - bonding component, 51 - film ring, 511 - adhesive, 52 - piercing member, 521 - support ring, 522 - support rod, 5221 - avoidance opening, 523 - piercing rod, 6 - extrusion rod, 61 - extrusion plate. Detailed implementation manners

[0025] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the claimed present utility model, but only represents the selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model. Embodiment

[0027] The following will be further described with reference to specific embodiments. Refer to Figures 1-3As shown in the figure, the utility model relates to a steel bar connector for construction columns, which includes a connecting column 1. The cross-section of the connecting column 1 is circular. Plugging slots 11 are provided at both ends of the connecting column 1 along the axial direction. The cross-section of the plugging slot 11 is circular, and the plugging slot 11 is used for inserting steel bars. A first guiding inclined surface 12 is arranged at the opening of the plugging slot 11. The locking block 2 is arc-shaped and is arranged at the opening of each plugging slot 11. A plurality of locking blocks 2 are provided and surrounded into a ring shape. In this embodiment, a pair of locking blocks 2 are arranged at both ends of the connecting column 1. A friction protrusion 21 is integrally formed on one side of each locking block 2 facing the center line of the connecting column 1 to further play a role in fixing the steel bar.

[0028] It should be noted that the locking caps 4 are located at both ends of the connecting column 1 and are threadedly connected to the connecting column 1. A plugging hole 41 is provided on the locking cap 4. The diameter of the plugging hole 41 is not less than the diameter of the steel bar. The plugging hole 41 is arranged opposite to the plugging slot 11. A second guiding inclined surface 42 is provided on the locking cap 4. Corresponding abutting inclined surfaces 22 that are abutted against the first guiding inclined surface 12 and the second guiding inclined surface 42 are arranged on the outer sides of both ends of each locking block 2. When the locking cap 4 is rotated, the locking block 2 can be abutted against the steel bar under the joint guidance of the first guiding inclined surface 12, the second guiding inclined surface 42 and the abutting inclined surface 22, so as to fix the steel bar. A rotating groove 13 for the wrench to rotate is provided at the outer wall position of the middle part of the connecting column 1. The outer wall of the locking cap 4 is hexagonal, so as to facilitate the staff to use the wrench for screwing operation.

[0029] In order to facilitate the reset of adjacent locking blocks 2 and the installation of the locking blocks 2, the elastic member 3 is a V-shaped elastic sheet 31. Both ends of the V-shaped elastic sheet 31 are respectively connected to adjacent locking blocks 2. In other embodiments, the V-shaped elastic sheet 31 can be replaced by a spring.

[0030] Refer to Figure 3 As shown in the figure, the bonding assembly 5 is installed in the plugging slot 11 and is used for bonding the steel bar and the connecting column 1 after the steel bar is inserted into the plugging slot 11. Specifically, the bonding assembly 5 includes a film ring 51 and a piercing member 52. An adhesive 511 is embedded inside the film ring 51. The adhesive 511 can be selected from materials such as epoxy glue and polyurethane glue, mainly because it has high bonding strength and good toughness.

[0031] Refer to Figure 2 and Figure 3As shown, in order to facilitate the piercing of the membrane ring 51 when the steel bar is inserted, the piercing member 52 includes a support ring 521, a support rod 522 and a piercing rod 523. The support ring 521 is abutted against the bottom wall of the plug-in slot 11, and the membrane ring 51 is arranged on the support ring 521 and is located on the side of the support ring 521 close to the opening of the plug-in slot 11. The piercing member 52 is arranged in multiple groups along the circumference of the support ring 521. The support rod 522 is fixedly arranged at the inner side of the support ring 521. The support rod 522 is bent and is overall in a 'V' shape. The piercing rod 523 is arranged at the end of the bent end of the support rod 522 and is arranged toward the membrane ring 51. An avoidance opening 5221 is opened on the support rod 522 opposite to the piercing rod 523.

[0032] Reference Figure 2 and Figure 3 As shown, the cross-section of the piercing rod 523 is cross-shaped, and the end of the piercing rod 523 that is inserted into the membrane ring 51 is set in a pointed cone shape. In other embodiments, the cross-sectional shape of the piercing rod 523 can be circular. In order to improve the bonding strength between the steel bar and the connecting column 1, a plurality of glue-containing grooves 111 are opened on the inner wall of the plug-in groove 11. The cross-section of the glue-containing groove 111 is semicircular, and the plurality of glue-containing grooves 111 are evenly arranged along the circumference of the plug-in groove 11.

[0033] Reference Figure 3 As shown, an extrusion rod 6 is welded to the bottom wall side of the locking block 2 facing the insertion groove 11, and the extrusion rod 6 is arranged opposite to the membrane ring 51, and an extrusion plate 61 is welded to the side of the extrusion rod 6 close to the membrane ring 51. The extrusion plate 61 is arranged in an arc shape and is used to squeeze and abut the membrane ring 51. When the locking cap 4 is rotated, the extrusion rod 6 and the extrusion plate 61 will move close to one side of the membrane ring 51 at the same time, thereby squeezing the membrane ring 51, causing the adhesive 511 to flow out, and then bonding the steel bar and the connecting column 1.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A steel bar connector for a construction column, characterized in that: include: A connecting column (1), wherein both ends of the connecting column (1) along the axial direction are provided with insertion grooves (11), the insertion grooves (11) are used for inserting steel bars, and a first guiding inclined surface (12) is provided at the opening of the insertion grooves (11); A locking block (2), the locking block (2) being arranged at the opening of each of the plug-in slots (11), the locking blocks (2) being provided in plurality and arranged in a ring shape, and each of the locking blocks (2) being provided with a friction protrusion (21) on one side facing the center line of the connecting column (1); An elastic member (3), wherein the elastic member (3) is arranged between adjacent locking blocks (2); A locking cap (4), the locking cap (4) being located at both ends of the connecting column (1) and being threadedly connected to the connecting column (1), the locking cap (4) being provided with a plug hole (41), the plug hole (41) being arranged opposite to the plug slot (11), the locking cap (4) being provided with a second guiding inclined surface (42), and both ends of each locking block (2) being provided with abutting inclined surfaces (22) corresponding to the first guiding inclined surface (12) and the second guiding inclined surface (42); A bonding component (5) is arranged in the insertion groove (11) and is used to bond the steel bar to the connection column (1) after the steel bar is inserted into the insertion groove (11).

2. The steel bar connector for construction columns according to claim 1, characterized in that: The elastic member (3) comprises a V-shaped spring piece (31), and two ends of the V-shaped spring piece (31) are respectively connected to adjacent locking blocks (2).

3. The steel bar connector for construction columns according to claim 1, characterized in that: The bonding assembly (5) comprises a membrane ring (51) and a piercing member (52), wherein an adhesive (511) is embedded inside the membrane ring (51), the membrane ring (51) is arranged on the bottom wall of the insertion groove (11), and the piercing member (52) is used to pierce the membrane ring (51) when the steel bar is inserted.

4. The steel bar connector for construction columns according to claim 3, characterized in that: The piercing member (52) comprises a support ring (521), a support rod (522) and a piercing rod (523); the support ring (521) is arranged in contact with the bottom wall of the plug-in slot (11); the membrane ring (51) is arranged on the support ring (521) and is located on a side of the support ring (521) close to the opening of the plug-in slot (11); a plurality of groups of piercing members (52) are arranged along the circumference of the support ring (521); the support rod (522) is fixedly arranged at an inner position of the support ring (521); the support rod (522) is bent and is in a V-shape as a whole; the piercing rod (523) is arranged at the end of one bent end of the support rod (522) and is arranged toward the membrane ring (51); and a avoidance opening (5221) is provided on the support rod (522) directly facing the piercing rod (523).

5. The steel bar connector for structural columns according to claim 4, wherein: The cross section of the puncture rod (523) is cross-shaped, and the end of the puncture rod (523) that is directed toward piercing the membrane ring (51) is arranged in a pointed cone shape.

6. The steel bar connector for construction columns according to claim 1, characterized in that: The inner wall of the plug-in slot (11) is provided with a plurality of glue containing slots (111), and the plurality of glue containing slots (111) are evenly arranged along the circumference of the plug-in slot (11).

7. The steel bar connector for construction columns according to claim 4, characterized in that: One side of the locking block (2) facing the bottom wall of the insertion slot (11) is fixedly provided with a pressing rod (6), and the pressing rod (6) is arranged opposite to the film ring (51).

8. The steel bar connector for construction columns according to claim 7, characterized in that: One side of the pressing rod (6) close to the film ring (51) is fixedly provided with a pressing plate (61), and the pressing plate (61) is arc-shaped and used for pressing and abutting against the film ring (51).

9. The steel bar connector for construction columns according to claim 1, characterized in that: A rotation groove (13) for the wrench to rotate is provided at the outer wall position in the middle of the connecting column (1), and the outer wall of the lock nut (4) is hexagonal.

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