CN209145161U - A kind of straight screw sleeve - Google Patents

Abstract

The utility model provides a kind of straight screw sleeve, belongs to rebar connecting technology field, comprising: cylinder, further includes: wrench portion, on the outer wall of cylinder, for being installed for torque spanner；Protrusion is arranged in wrench portion, and for firmly grasping for torque spanner, the torque value that is destroyed of the protrusion is predetermined torque value.A kind of straight screw sleeve provided by the utility model, torque value is checked repeatedly without checking torque spanner, it can determine whether torque value meets the requirement of minimum screw-down torque value, to effectively prevent the residual deformation of connector, the time saving and energy saving and structure simple operations are convenient.

Description

A kind of straight screw sleeve

Technical field

The utility model belongs to rebar connecting technology field, is to be related to a kind of straight screw sleeve more specifically.

Background technique

During building structure construction, the connection type of reinforcing bar mainly has binding overlap joint, mechanical connection, sleeve grouting to connect Connect and weld four kinds.The connection method of mechanical connection is held by the effect of the mechanical snap of reinforcing bar and connector or reinforcing bar end face Pressure effect, is transferred to another reinforcing bar for the power in a reinforcing bar.Traditional mechanical connection torque spanner is by straight thread set Cylinder (connector) and after reinforcing bar tightens, then straight screw sleeve is checked with check torque spanner, check final result need to expire Foot minimum screw-down torque value can go out to reduce connector residual deformation, and in the process since the technology of worker is irregular Existing torque value is unsatisfactory for requiring or failing the case where all checking, and it is time-consuming and laborious to check process, increases human cost, Influence progress.

Utility model content

The purpose of this utility model is to provide a kind of straight screw sleeves, it is intended to which solution connects reinforcing bar with straight screw sleeve Afterwards, then with torque spanner is checked review is carried out to the torque value of straight screw sleeve until the minimum for meeting straight screw sleeve tightens torsion Square value and cause reinforcing bar to connect time-consuming and laborious process, human cost is high, influences the progress of whole building construction.

In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of straight screw sleeve, comprising: cylinder Body, further includes: wrench portion, on the outer wall of the cylinder, for being installed for torque spanner.Protrusion is arranged in the spanner In portion, for firmly grasping for torque spanner, the torque value that is destroyed of the protrusion is predetermined torque value.

Further, the wrench portion is located at the interlude of the cylinder.

Further, circumferentially continuous setting of the wrench portion along the cylinder.

Further, the protrusion is identical as length of the wrench portion in the cylinder short transverse.

Further, the protrusion is the gear teeth.

Further, the gear teeth are arranged along the circumferential uniform intervals of the wrench portion.

Further, the number of teeth of the gear teeth is 18-90.

Further, the both ends of the inner wall of the cylinder are respectively arranged with two opposite helicitic textures of the hand of spiral.

Further, straight screw sleeve further include: barrier piece is arranged in two opposite screw threads of the hand of spiral and has a common boundary Place, for limiting the precession length of two end bars.

Further, further includes: adjusting slider, along the setting that axially penetrates through of the barrier piece, and it is sliding with the barrier piece Dynamic cooperation.

A kind of beneficial effect of straight screw sleeve provided by the utility model is: compared with prior art, this is practical new A kind of straight screw sleeve of type is provided with wrench portion on the outer wall of cylinder, i.e. torque spanner is mounted on the region and applies in the region Add external force for reinforcing bar precession cylinder and tighten, due to being provided with protrusion in wrench portion, torque spanner when an external force is applied, with protrusion Protrusion is contacted and firmly grasps, the intracorporal length of cylinder is longer, then when continuing precession reinforcing bar, torque spanner will tighten steel when reinforcing bar is threaded into The torque that muscle is applied with cylinder will be bigger.It can bear when the torque that torque spanner is applied is greater than the protrusion contacted Maximum external force when, raised surface can be worn or be broken.Therefore destructive power used when protrusion is worn or is broken is critical Interval value is set as the interval value of the minimum screw-down torque value of cylinder or close to the interval value, then only needs directly to observe protrusion Profile variation can judge whether cylinder meets the requirement of minimum screw-down torque value indirectly.When connecting reinforcing bar and cylinder, with When the case where can observing convex surfaces can then continue to rotate torque spanner when convex outer surface is not worn or unbroken To tighten cylinder and reinforcing bar, it has been worn or has been broken when raised, can stop tightening and unload torque spanner.The utility model Torque value is checked repeatedly without checking torque spanner, that is, can determine whether torque value meets wanting for minimum screw-down torque value It asks, to effectively prevent the residual deformation of connector, the time saving and energy saving and structure simple operations are convenient.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without creative efforts, can be with root Other attached drawings are obtained according to these attached drawings.

Fig. 1 is a kind of main view of straight screw sleeve provided by the embodiment of the utility model；

Fig. 2 is a kind of top view of straight screw sleeve provided by the embodiment of the utility model；

The cross-sectional view in A-A direction of the Fig. 3 in Fig. 2.

In figure: 1, cylinder；2, wrench portion；3, raised；4, barrier piece；5, adjusting slider.

Specific embodiment

In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.

Also referring to Fig. 1 to Fig. 3, now a kind of straight screw sleeve provided by the utility model is illustrated.Described one Kind straight screw sleeve, comprising: cylinder 1, wrench portion 2 and protrusion 3；Wrench portion 2 is used on the outer wall of cylinder 1 for torque spanner Installation；Protrusion 3, sets in wrench portion 2, and for firmly grasping for torque spanner, the torque value that is destroyed of protrusion 3 is predetermined torque value.

A kind of straight screw sleeve provided by the utility model, compared with prior art, a kind of straight thread set of the utility model Cylinder is provided with wrench portion 2 on the outer wall of cylinder 1, i.e. torque spanner is mounted on the region and applies external force for reinforcing bar in the region Precession cylinder 1 is simultaneously tightened, and due to being provided with protrusion 3 in wrench portion 2, torque spanner is contacted and grabbed when an external force is applied, with protrusion 3 Tight protrusion 3, when the length that reinforcing bar is threaded into cylinder 1 is longer, then when continuing precession reinforcing bar, torque spanner will tighten reinforcing bar and cylinder The torque that body 1 is applied will be bigger.It can bear most when the torque that torque spanner is applied is greater than the protrusion 3 contacted When big external force, the surface of protrusion 3 can be worn or be broken.Therefore the critical zone of destructive power used when by 3 abrasion of protrusion or fracture Between value be set as cylinder 1 minimum screw-down torque value interval value or close to the interval value, then only need directly to observe protrusion 3 Profile variation can judge whether cylinder 1 meets the requirement of minimum screw-down torque value indirectly.When connecting reinforcing bar and cylinder 1, The case where raised 3 surface can be observed at any time, can then continue to rotate torque when 3 outer surfaces of protrusion are not worn or unbroken Spanner is to tighten cylinder 1 and reinforcing bar, when protrusion 3 has been worn or has been broken, can stop tightening and unload torque spanner.This reality Torque value is checked repeatedly without checking torque spanner with novel, that is, can determine whether torque value meets minimum screw-down torque value Requirement, to effectively prevent the residual deformation of connector, the time saving and energy saving and structure simple operations are convenient.

As a kind of a kind of specific embodiment of straight screw sleeve provided by the utility model, please refer to Fig.1 to Fig.3, Wrench portion 2 is located at the interlude of cylinder 1.The external force that guarantee torque spanner is applied uniformly is transmitted to the both ends of cylinder 1.

As a kind of a kind of specific embodiment of straight screw sleeve provided by the utility model, please refer to Fig.1 to Fig.3, Circumferentially continuous setting of the wrench portion 2 along cylinder 1.When cylinder 1 is rotated by a certain angle, in order to guarantee that insisting on for torque spanner is continuous It is applied in wrench portion 2, by wrench portion 2 along the circumferentially continuous setting of cylinder 1.

As a kind of a kind of specific embodiment of straight screw sleeve provided by the utility model, please refer to Fig.1 to Fig.3, Protrusion 3 is identical as length of the wrench portion 2 in 1 short transverse of cylinder.I.e. protrusion 3 is fin, bigger with torque spanner contact surface, It is firmly grasped convenient for torque spanner stronger.

It is convex refering to fig. 1 to Fig. 3 as a kind of a kind of specific embodiment of straight screw sleeve provided by the utility model Playing 3 is the gear teeth.Torque spanner is contacted and is promptly rotated after the gear teeth, will appear cunning when the gear teeth receive the excessive torque of torque spanner The phenomenon that silk, critical value when by gear teeth stripped thread are set smaller than or close to minimum screw-down torque values, then rotate in torque spanner When cylinder 1, whether stripped thread can determine whether straight screw sleeve reaches the requirement of minimum screw-down torque value to the observation gear teeth.Gear teeth quilt The predetermined torque value of destruction can be configured according to the height quantity of the gear teeth, to meet different duty requirements.

In the present embodiment, according to different reinforcing bar models, the relative parameters setting for enumerating corresponding gear teeth structure is real Apply example.It is as follows:

Note: cited straight screw sleeve parameter is section Example in upper table, as long as according to set by above-mentioned principle Straight screw sleeve all fall in the protection scope of the utility model.

As a kind of a kind of specific embodiment of straight screw sleeve provided by the utility model, refering to fig. 1 to Fig. 3, wheel Tooth is arranged along the axial uniform intervals of wrench portion 2.

As a kind of a kind of specific embodiment of straight screw sleeve provided by the utility model, please refer to Fig.1 to Fig.3, The number of teeth of the gear teeth is 18-90.

In erection stage, torque spanner is stuck on the straight screw sleeve gear teeth, then utilizes torque spanner by straight thread set Cylinder is tightened with reinforcing bar, instantaneous sliding motion occurs during tightening and the straight screw sleeve gear teeth have the phenomenon that stripped thread to occur then Illustrate the requirement for having met torque, the mechanical connection process of reinforcing bar, which operates, to be completed.

In the stage of check, construction personnel need to only observe straight screw sleeve surface, say if there is stripped thread phenomenon on surface Bright torque is met the requirements, installation qualification.If the gear teeth are intact not to occur stripped thread, illustrates that torque does not reach requirement, need again Installation, until there is stripped thread phenomenon.

As a kind of a kind of specific embodiment of straight screw sleeve provided by the utility model, the two of the inner wall of cylinder 1 End is respectively arranged with two opposite helicitic textures of the hand of spiral.When rotating cylinder 1, can simultaneously precession both ends reinforcing bar, make Installation quickly, can also be by two end bars one and when in steel concrete supporting if there is a connected reinforcing bar limited swivel In secondary precession straight screw sleeve, to adapt to more construction environments.

As a kind of a kind of specific embodiment of straight screw sleeve provided by the utility model, please refer to figs. 2 and 3, Straight screw sleeve further include: two opposite screw thread intersections of the hand of spiral are arranged in, for limiting two end bars in barrier piece 4 Precession length.In order to control 1 liang of end bar of cylinder into filament length degree, barrier piece 4 is set in screw thread intersection, when reinforcing bar is touched Inside precession can not be further continued for when to barrier piece 4.In order to guarantee two end bars into silk equal length, uniform force, in this reality It applies in example, barrier piece 4 is located at the middle position of cylinder 1.

As a kind of a kind of specific embodiment of straight screw sleeve provided by the utility model, please refer to figs. 2 and 3, Straight screw sleeve further include: adjusting slider 5 is slidably matched along the setting that axially penetrates through of barrier piece 4, and with barrier piece 4.Due to In reinforcing bar connection procedure, often because the center line of reinforcing bar and cylinder 1 is corresponding there are deviation, reinforcing bar can be not in place into silk, Leading to the reinforcing bar at both ends cannot effectively contact and generate loosening, influence the intensity of rebar junction.

When left side reinforcing bar can not precession again when, then one end is exchanged by right side reinforcing bar precession cylinder 1, until right side reinforcing bar and adjusting Save sliding block 5 contact, at this time right side reinforcing bar continue precession drive adjusting slider 5 move to the left, make adjusting slider 5 simultaneously with left side Reinforcing bar contact.Since adjusting slider 5 abuts closely with left side reinforcing bar and right side reinforcing bar, effectively prevent from staying between connected reinforcing bar It has the gap and is also easy to produce loosening, cause bar construction unstable, influence the transmitting of power and the problem of integral strength etc. between reinforcing bar.

As a kind of a kind of specific embodiment of straight screw sleeve provided by the utility model, please refer to figs. 2 and 3, Longitudinal section of adjusting slider 5 is I-shaped.Sliding 5 is adjusted to be made of colloidal materials.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of straight screw sleeve, comprising: cylinder (1), which is characterized in that further include:

Wrench portion (2) is located on the outer wall of the cylinder (1), for installing for torque spanner；

Raised (3) are arranged on the wrench portion (2), and for firmly grasping for torque spanner, the torque value that is destroyed of the protrusion is Predetermined torque value.

2. a kind of straight screw sleeve as described in claim 1, which is characterized in that the wrench portion (2) is located at the cylinder (1) Interlude.

3. a kind of straight screw sleeve as claimed in claim 2, which is characterized in that the wrench portion (2) is along the cylinder (1) Circumferentially continuous setting.

4. a kind of straight screw sleeve as described in claim 1, which is characterized in that the protrusion (3) and the wrench portion (2) edge Length in cylinder (1) short transverse is identical.

5. a kind of straight screw sleeve as described in claim 1-4 any one, which is characterized in that the protrusion (3) is the gear teeth.

6. a kind of straight screw sleeve as claimed in claim 5, which is characterized in that week of the gear teeth along the wrench portion (2) It is arranged to uniform intervals.

7. a kind of straight screw sleeve as claimed in claim 6, which is characterized in that the number of teeth of the gear teeth is 18-90.

8. a kind of straight screw sleeve as described in claim 1, which is characterized in that distinguish at the both ends of the inner wall of the cylinder (1) It is provided with two opposite helicitic textures of the hand of spiral.

9. a kind of straight screw sleeve as claimed in claim 8, which is characterized in that further include:

Barrier piece (4), is arranged in two opposite screw thread intersections of the hand of spiral, and the precession for limiting two end bars is long Degree.

10. a kind of straight screw sleeve as claimed in claim 9, which is characterized in that further include:

Adjusting slider (5) is slidably matched along the setting that axially penetrates through of the barrier piece (4), and with the barrier piece (4).