Steel bar straight thread toggle clip connecting device

Abstract

In order to solve the problem that the existing reinforcing steel bars do not have mobility necessary for rotating and tightening so as to be connected, the utility model provides a reinforcing steel bar straight thread toggle clip connecting device which comprises a base with a semicircular cross section, and the base is arranged at the position where a first reinforcing steel bar and a second reinforcing steel bar need to be in butt joint; the whole cross section of the cover plate is semicircular, one side of the cover plate is hinged to one side of the base, and the other side of the cover plate is connected through a fixing structure. Through the effective cooperation of the base, the cover plate, the first threaded connection structure and the second threaded connection structure, the first reinforcing steel bar and the second reinforcing steel bar which do not have the mobility necessary for rotating and tightening can be effectively connected, so that the connection efficiency of the first reinforcing steel bar and the second reinforcing steel bar is improved; in addition, the labor intensity of constructors is reduced, and great convenience is brought to connection work of the first reinforcing steel bar and the second reinforcing steel bar which cannot rotate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of steel bar connection, and particularly relates to a steel bar straight thread clamping and connecting device. BACKGROUND

[0002] At present, steel bar connection modes mainly include binding and lapping, welding and mechanical connection.

[0003] Steel bar mechanical connection refers to a connection method for transmitting force in one steel bar to another steel bar through mechanical biting action of a connecting piece or pressure bearing action of a steel bar end face, wherein the mechanical connection mode mainly includes straight thread sleeve connection and sleeve extrusion connection.

[0004] And considering the convenience and material cost of steel bar connection of a construction project, the most commonly used steel bar mechanical connection mode is a rib-stripped rolled thread straight thread sleeve connection.

[0005] When a construction worker connects a rib-stripped rolled thread steel bar, the rib-stripped rolled thread steel bar end needs to be connected to the internal thread at both ends of the straight thread sleeve, and the relevant connection work needs to be performed by rotating the steel bar. INVENTION CONTENTS

[0006] In order to effectively solve the connection of the steel bar which does not have the necessary activity for rotating and tightening, the utility model provides a steel bar straight thread clamping and connecting device.

[0007] The technical scheme of the steel bar straight thread clamping and connecting device is as follows:

[0008] A steel bar straight thread clamping and connecting device, characterized in that it comprises

[0009] A base with a semicircular cross section, which is arranged at a position where the first steel bar and the second steel bar need to be connected;

[0010] A cover plate with a semicircular cross section, which is hingedly connected to one side of the base and connected to the other side through a fixing structure;

[0011] The base and the cover plate jointly form a steel bar fixing member with a cylindrical structure, one end of the steel bar fixing member is provided with a threaded end of a first steel bar without rotation, the threaded end is fixed at the end of the steel bar fixing member through a threaded connection mode, the other end of the steel bar fixing member is provided with a threaded end of a second steel bar without rotation, the threaded end is fixed at the end of the steel bar fixing member through a threaded connection mode.

[0012] Further, the first threaded connection structure comprises a first lower thread and a first upper thread, the first lower thread and the first upper thread cooperatively form a first internal thread matched with an external thread of the first steel bar at the end of the first steel bar, the first lower thread is arranged on a first lower circular arc groove starting at one end of the base, and the first upper thread is arranged on a first upper circular arc groove starting at one end of the cover plate.

[0013] Further, the second threaded connection structure comprises a second lower thread and a second upper thread, the second lower thread and the second upper thread cooperatively form a second internal thread matched with an external thread of the second steel bar at the end of the second steel bar, the second lower thread is arranged on a second lower circular arc groove starting at the other end of the base, and the second upper thread is arranged on a second upper circular arc groove starting at the other end of the cover plate.

[0014] Further, one side of the cover plate is hingedly arranged on one side of the base.

[0015] Further, the fixing structure comprises a bolt and a nut matched with the bolt, the upper end of the bolt firstly penetrates a first fixing hole arranged in the middle of the base, then penetrates a second fixing hole arranged in the middle of the cover plate and corresponding to the first fixing hole, and finally is locked and fixed by cooperating with the nut.

[0016] Further, a first rubber gasket is arranged on the lower part of the bolt, and the first rubber gasket is arranged between the surface of the nut cap of the bolt and the base.

[0017] Further, a second rubber gasket is arranged on the upper part of the bolt, and the second rubber gasket is arranged between the surface of the nut and the cover plate.

[0018] The steel bar straight thread clamping and connecting device has reasonable overall design, simple structure and convenient operation, and through effective cooperation of the base, the cover plate, the first threaded connection structure and the second threaded connection structure, the first steel bar and the second steel bar without rotation can be effectively connected, the connection efficiency of the first steel bar and the second steel bar is improved, the labor intensity of construction personnel is reduced, and the connection work of the first steel bar and the second steel bar without rotation is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 is a structural schematic view of a steel bar straight thread clamping and connecting device.

[0020] Fig. 2 is a top view of a steel bar straight thread clamping and connecting device.

[0021] Fig. 3 is an A-A sectional view of a steel bar straight thread clamping and connecting device. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail below in combination with the drawings and specific embodiments. The advantages and features of the utility model will be more apparent according to the following description and claims. It should be noted that the drawings are all very simplified and all use non-precise proportions, only to facilitate, clearly assist the purpose of explaining the embodiments of the utility model.

[0023] Example 1

[0024] Reference Figs. 1 to 3 The steel bar straight thread clamping and connecting device of the embodiment includes a base 200 and a cover plate 100.

[0025] The base 200 is in the shape of a semicircle in cross section as a whole, and the base 200 is arranged at a position where the first steel bar and the second steel bar need to be butt-jointed. The cover plate 100 is also in the shape of a semicircle in cross section as a whole, and one side of the cover plate 100 is hingedly connected to one side of the base 200, and the other side is connected through a fixing structure 500.

[0026] The base 200 and the cover plate 100 together form a steel bar fixing member in the shape of a cylinder as a whole. A threaded end of a rib-removing and thread-rolling device that can roll threads on the first steel bar without rotating the first steel bar is fixed at an end of the steel bar fixing member through a first threaded connecting structure 300 in a threaded connection mode. A threaded end of a rib-removing and thread-rolling device that can roll threads on the second steel bar without rotating the second steel bar is fixed at the other end of the steel bar fixing member through a second threaded connecting structure 400 in a threaded connection mode.

[0027] The first threaded connecting structure 300 includes a first lower thread tooth 310 and a first upper thread tooth 320. The first lower thread tooth 310 and the first upper thread tooth 320 cooperatively form a first internal thread that cooperates with an external thread on the end of the first steel bar. The first lower thread tooth 310 is arranged on a first lower circular-arc groove 210 at the end of the base 200, and the first upper thread tooth 320 is arranged on a first upper circular-arc groove 110 at the end of the cover plate 100.

[0028] The second threaded connection structure 400 comprises a second lower thread 410 and a second upper thread 420, the second lower thread 410 and the second upper thread 420 cooperatively form a second internal thread which cooperates with the external thread of the stripped rib rolled thread at the end of the second steel bar, the second lower thread 410 is arranged on the second lower arc groove 220 starting at the other end of the base 200, and the second upper thread 420 is arranged on the second upper arc groove 120 starting at the other end of the cover plate 100.

[0029] One side of the cover plate 100 is hingedly arranged on one side of the base 200 through a hinge 600, relevant hinging work is performed through a pin shaft 610 on the hinge 600, and the cover plate can be conveniently arranged on the base by adopting the structure, and construction personnel can conveniently perform construction operation.

[0030] The fixing structure 500 comprises a bolt 510 and a nut 520 matched with the bolt 510, the upper end of the bolt 510 firstly penetrates a first fixing hole arranged in the middle of the base 200, then penetrates a second fixing hole arranged in the middle of the cover plate 100 and corresponding to the first fixing hole, and finally cooperates with the nut 520 to be locked and fixed.

[0031] A first rubber gasket 530 is arranged on the lower part of the bolt 510, the first rubber gasket 530 is arranged between the surface of the nut 511 of the bolt 510 and the base 200, and the structure can effectively improve the friction between the bolt and the base and improve the stability therebetween.

[0032] A second rubber gasket 540 is arranged on the upper part of the bolt 510, the second rubber gasket 540 is arranged between the surface of the nut 520 and the cover plate 100, and the structure can effectively improve the friction between the bolt and the cover plate and improve the stability therebetween.

[0033] The steel bar straight threaded clamping connection device of the embodiment has reasonable overall design, simple structure and convenient operation, and through effective cooperation of the base, the cover plate, the first threaded connection structure and the second threaded connection structure, the first steel bar and the second steel bar which do not have the necessary activity for being rotated and tightened can be effectively connected, the connection efficiency of the first steel bar and the second steel bar is improved, the labor intensity of construction personnel is reduced, and the connection work of the first steel bar and the second steel bar which cannot be rotated is facilitated.

[0034] The above description is only the description of the preferred embodiment of the utility model, and does not limit the scope of the utility model, and any change and modification of the above description by the ordinary skilled in the art is within the protection scope of the claims.

Claims

1. A straight threaded steel bar clip connection device, characterized in that: include A base (200) with a semicircular cross section as a whole, wherein the base (200) is arranged at a position where the first steel bar and the second steel bar need to be butted against each other; a cover plate (100) having a semicircular cross section as a whole, wherein one side of the cover plate (100) is hinged to one side of the base (200), and the other side is connected via a fixing structure (500); The base (200) and the cover plate (100) together form a steel bar fixing part with an integral cylindrical structure. A first threaded connection structure (300) is provided at one end of the steel bar fixing part, which can fix the threaded end of the rib stripping and thread rolling of the first steel bar to the end thereof by threaded connection without rotating the first steel bar. A second threaded connection structure (400) is provided at the other end of the steel bar fixing part, which can fix the threaded end of the rib stripping and thread rolling of the second steel bar to the end thereof by threaded connection without rotating the second steel bar.

2. The steel bar straight thread clip connection device according to claim 1, characterized in that: The first threaded connection structure (300) includes a first lower thread (310) and a first upper thread (320), and the first lower thread (310) and the first upper thread (320) cooperate to form a first internal thread that cooperates with the external thread of the rib stripping rolling at the end of the first steel bar, and the first lower thread (310) is arranged on the first lower arc groove (210) starting at one end of the base (200), and the first upper thread (320) is arranged on the first upper arc groove (110) starting at one end of the cover plate (100).

3. The steel bar straight thread clip connection device according to claim 1, characterized in that: The second threaded connection structure (400) includes a second lower thread (410) and a second upper thread (420), and the second lower thread (410) and the second upper thread (420) cooperate to form a second internal thread that cooperates with the external thread of the rib stripping rolling at the end of the second steel bar, and the second lower thread (410) is arranged on the second lower arc groove (220) starting at the other end of the base (200), and the second upper thread (420) is arranged on the second upper arc groove (120) starting at the other end of the cover plate (100).

4. The steel bar straight thread clip connection device according to claim 1, characterized in that: One side of the cover plate (100) is hingedly arranged on one side of the base (200) via a hinge (600).

5. The steel bar straight thread clip connection device according to claim 1, characterized in that: The fixing structure (500) includes a bolt (510) and a matching nut (520). The upper end of the bolt (510) first passes through a first fixing hole opened in the middle of the base, then passes through a second fixing hole opened in the middle of the cover and corresponding to the first fixing hole, and finally cooperates with the nut (520) to be locked and fixed.

6. The steel bar straight thread clip connection device according to claim 5, characterized in that: A first rubber gasket (530) is sleeved on the lower portion of the bolt (510), and the first rubber gasket (530) is arranged between the contact surfaces of the nut (511) of the bolt (510) and the base (200).

7. The steel bar straight thread clip connection device according to claim 5, characterized in that: A second rubber gasket (540) is sleeved on the upper portion of the bolt (510), and the second rubber gasket (540) is arranged between the contact surfaces of the nut (520) and the cover plate (100).

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