Quick connecting device for reinforcing steel bar straight thread sleeve

Abstract

The utility model is suitable for the field of reinforcing steel bar assembling equipment, and provides a reinforcing steel bar straight thread sleeve quick connecting device which comprises at least one set of clamping jaws. The working side wall of the clamping jaw is provided with texture protrusions capable of being clamped into supporting rib gaps of the reinforcing steel bar. A containing space used for containing the resistance pad is formed in the clamping jaw. The working side wall of the clamping jaw is provided with an opening for the resistance pad to partially stretch out. The resistance pad is driven by a pressing part, and the resistance pad partially extends out of the opening; and the distance between the part of the extended resistance pad and the working side wall of the clamping jaw is greater than the height distance of the texture bulge, so that the state of the resistance pad can be adjusted to enable the wrench to adapt to reinforcing steel bar driving and sleeve driving, and the driving efficiency of the wrench is optimized.

Description

TECHNICAL FIELD

[0001] The utility model relates to a reinforcing steel bar equipment field especially relates to a reinforcing steel bar straight thread sleeve quick connecting device. BACKGROUND

[0002] Common reinforcing steel bar connecting mode, sleeve connection is more use and diversification, it is mainly through the sleeve fixed in reinforcing steel bar butt joint place to realize the fixed work of the reinforcing steel bar to be connected, wherein, according to the fixed connection mode of sleeve, it can be divided into thread sleeve fixed connection and cold rolling fixed connection and a variety of types.

[0003] Thread sleeve fixed connection is through the thread rolling of the reinforcing steel bar end part to be assembled, and the butt joint work of two reinforcing steel bars is realized through the sleeve with the same internal thread, wherein, the present stage sleeve and reinforcing steel bar end part are connected through the driving rotation of torque wrench, and the driving of torque wrench can avoid the thread breakage phenomenon when the thread connection is too large. When driving, torque wrench needs to switch between driving sleeve rotation and driving reinforcing steel rotation. However, the driving process of the above two is different, because the reinforcing steel outer wall has the rib plate for increasing strength, so it is a concave-convex structure, and the existing wrench is provided with the clamping convex matched with the concave-convex structure. However, the outer wall of the connected sleeve is smooth, and the clamping convex of the existing wrench will slip with the outer wall of the sleeve.

[0004] From the above, it is obvious that the prior art has inconvenience and defects in actual use, so it is necessary to improve. INVENTION CONTENTS

[0005] In view of the above defects, the utility model aims at providing a reinforcing steel bar straight thread sleeve quick connecting device, which can adjust the resistance pad state, so that the wrench can adapt to reinforcing steel driving and sleeve driving, and optimize the driving efficiency of the wrench.

[0006] In order to achieve the above purpose, the utility model provides a reinforcing steel bar straight thread sleeve quick connecting device, which comprises at least one set of clamping jaw, the working side wall of the clamping jaw is provided with a texture convex that can be clamped into the supporting rib gap of the reinforcing steel, the inside of the clamping jaw is provided with a containing space for placing the resistance pad, the working side wall of the clamping jaw is provided with an opening for the local extension of the resistance pad, the resistance pad is driven by a pressing component, and the local extension of the resistance pad is from the opening, and the distance between the local extension of the resistance pad and the working side wall of the clamping jaw is greater than the height distance of the texture convex.

[0007] According to the reinforcing steel bar straight thread sleeve quick connecting device of the utility model, the working side wall texture convex of the clamping jaw is symmetrically provided with two groups, and the opening is arranged at the middle position of the two groups of texture convexes.

[0008] The resistance pad is partially provided with at least one group of columnar convex structures.

[0009] The resistance pad further comprises a connecting portion for connecting the columnar convex structures.

[0010] The connecting portion is provided with an elastic reset portion for resetting the resistance pad after the resistance pad is pressed.

[0011] The pressing portion is a threaded pressing piece screwed on the side wall of the claw.

[0012] The steel straight thread sleeve quick connecting device comprises at least one group of claws, wherein the shape of the claw is adjusted according to the number of the claws, the claws are two groups, the claws are in a sharp convex structure, and if the claws are one group, the claws are correspondingly provided in a ring structure. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic view of the utility model;

[0014] Figure 2 is a schematic view of another angle of the utility model;

[0015] Figure 3 is a schematic view of the internal structure of the utility model;

[0016] Figure 4 is a structural view of the resistance pad;

[0017] In the drawings, 1 is a claw, 11 is a texture convex, 12 is a containing space, 13 is an opening, 2 is a columnar convex structure, 3 is a connecting portion, 4 is an elastic reset portion, and 5 is a threaded pressing piece. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples, and it should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0019] Referring to Figure 1 , Figure 2 and Figure 3 , the utility model provides a kind of steel bar straight thread sleeve quick connecting device, which includes at least one set of claw 1;Wherein, the shape of claw 1 is adjusted according to its quantity, for example, in the embodiment, the claw 1 is two groups, and the claw 1 is sharp convex structure, and if the claw 1 is a group, then the claw 1 is correspondingly provided as annular structure.

[0020] Texture protrusion 11 that can be clamped into the support rib gap of steel bar is provided on the working side wall of the claw 1, when driving steel bar to rotate, texture protrusion 11 is clamped into the support rib gap of steel bar, to increase the resistance when steel bar is driven, optimize driving effect, specifically in the embodiment, the working side wall texture protrusion 11 of the claw 1 is symmetrically provided with two groups;Resistance pad containing space 12 for placing resistance pad is provided in the claw 1;Opening 13 for resistance pad partial extension is provided on the working side wall of the claw 1;It needs to be explained that, when spanner drives steel bar to rotate, the resistance pad is partially in storage state (the distance between the resistance pad partial and the working side wall of the claw 1 is less than the height distance of texture protrusion 11), to ensure that the state of texture protrusion 11 clamped into the support rib gap of steel bar is stable.

[0021] The resistance pad is driven by a pressing component, and the partial thereof extends from opening 13;The distance between the resistance pad partial after extension and the working side wall of the claw 1 is greater than the height distance of texture protrusion 11, wherein, the resistance pad partial adopts material with large surface friction, such as rubber material, in the embodiment, the resistance pad partial is at least one group of columnar protrusion structure 2.In the state that resistance pad is adjusted to the above state when driving sleeve to rotate, the resistance pad partial will contact with the outer wall of sleeve, which utilizes the characteristics of large friction resistance itself, to avoid slipping phenomenon in the process of spanner driving sleeve.

[0022] Referring to Figure 2 , preferably, the opening 13 of the utility model is arranged at the middle position of two groups of texture protrusions 11, as shown in the figure, two groups of texture protrusions 11 are symmetrically distributed on left and right sides.Further, a plurality of columnar protrusion structures 2 are longitudinally distributed at the middle positions of the two groups.Through the setting, the contact stability of columnar protrusion structure 2 can be ensured, and the stress balance during driving is further ensured.

[0023] Referring to Figure 4, the resistance pad further comprises a connecting part 3 for connecting the columnar convex structure, the connecting part 3 is preferably made of hard material, for example, hard wood or metal material. The pressing part is a threaded pressing piece 5 (a close screw can be used, of course, the pressing part can also adopt other structures) screwed on the side wall of the claw 1. By contacting the end of the threaded pressing piece 5 with the hard connecting part 3, the driving effect can be optimized. When pressing the resistance pad, only the threaded pressing piece 5 needs to be rotated to move the end thereof towards the resistance pad, and the pressing work can be realized.

[0024] In addition, the side end of the connecting part 3 is provided with an elastic reset part 4 for resetting the resistance pad after losing the pressing. Similarly, the elastic reset part 4 can also be made of high-coefficient elastic rubber. The elastic reset part 4 naturally drives the resistance pad to reset after losing the pressing, so that the equipment adjustment is facilitated.

[0025] In summary, the utility model provides a kind of steel bar straight thread sleeve quick connecting device, including at least one set of claw;Wherein, the shape of claw is adjusted according to its quantity, the claw is two groups, and the claw is sharp convex structure, and if the claw is one group, then the claw is correspondingly provided as annular structure. The working side wall of the claw is provided with texture convex that can be clamped into the support rib gap of steel bar, when driving steel bar to rotate, texture convex is clamped into the support rib gap of steel bar, to increase the resistance when steel bar is driven, optimize driving effect, the working side wall texture convex of the claw is symmetrically provided with two groups;The inside of the claw is provided with containing space for placing resistance pad;The working side wall of the claw is provided with opening for resistance pad to partially extend;When wrench drives steel bar to rotate, the resistance pad is partially in storage state (the distance between resistance pad and the working side wall of the claw is less than the height distance of texture convex), to ensure that the state of texture convex clamped into the support rib gap of steel bar is stable.

[0026] Of course, the utility model can also have other various embodiments, without departing from the spirit and essence of the utility model, those skilled in the art can make various corresponding changes and deformations according to the utility model, but these corresponding changes and deformations should all belong to the protection scope of the claims attached to the utility model.

Claims

1. A reinforcing straight-thread sleeve quick coupling device, characterized in that, The device comprises at least one set of clamping claws; The working side wall of the clamping claws is provided with texture protrusions that can be clamped into the supporting rib gap of the steel bars; the interior of the clamping claws is provided with a containing space for placing the resistance pad; The working side wall of the clamping claws is provided with openings for the partial extension of the resistance pad; The resistance pad is driven by a pressing component, and the resistance pad partially extends from the opening; the distance between the partially extended resistance pad and the working side wall of the clamping claws is greater than the height distance of the texture protrusions.

2. A reinforcing straight-thread sleeve quick-connect device according to claim 1, characterized in that, The texture protrusions on the working side wall of the clamping claws are symmetrically provided with two sets, and the openings are provided at the middle position of the two sets of texture protrusions.

3. A reinforcing straight-thread sleeve quick-connect device according to claim 1 or 2, characterized in that, The resistance pad is partially at least one set of columnar protrusion structures.

4. A straight-thread sleeve quick-connect device for reinforcing bars according to claim 3, characterized in that, The resistance pad further comprises a connecting part for connecting the columnar protrusion structures.

5. A straight-thread sleeve quick-connect device for reinforcing bars according to claim 4, characterized in that, The side end of the connecting part is provided with an elastic reset part for driving the resistance pad to reset after losing the pressing.

6. A straight-thread sleeve quick-connect device for reinforcing bars as claimed in claim 1, wherein, The pressing component is a threaded pressing part screwed to the side wall of the clamping claws.

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