Steel bar planting sleeve

Abstract

The utility model discloses a bar planting sleeve which comprises a body and a conical plug. The body is of a cylindrical structure and allows the embedded steel bars to penetrate through, a plurality of fins are arranged at the first end of the body and arranged around the center line of the body, and the first end of the body is arranged towards the penetrating end of the embedded steel bars. The conical plug is of a hollow structure and allows an embedded steel bar penetrating through the body to penetrate through, the peripheral wall of the conical plug is a conical face, the large head end of the conical face is arranged towards the penetrating end of the embedded steel bar, and the conical face can be pressed into the space defined by the fins in the extending direction of the center line of the conical face and push the fins to expand outwards. After the embedded steel bar sleeve is adopted, when the embedded steel bar penetrates through the body and the conical plug and is clamped on the side, away from the body, of the conical plug, and the body and the conical plug are inserted into the embedded steel bar hole along with the embedded steel bar, the embedded steel bar is pressed against the body and drawn, so that the conical surface is pressed into the space, and the fins expand outwards and are fixed with the inner peripheral wall of the embedded steel bar hole in an extruding manner; therefore, the embedded steel bars are positioned in the embedded steel bar holes, and the construction speed is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of building engineering plant bar appliance, especially a plant bar sleeve. BACKGROUND

[0002] Plant bar technology process flow:

[0003] (1) drilling: the important link of plant bar technology, drilling must guarantee the hole diameter, hole depth, select the appropriate drill bit, guarantee the length, diameter of drill bit, avoid the quality of hole depth unqualified due to length deficiency, diameter too big plant bar skew;

[0004] (2) hole cleaning: the important link of plant bar technology, use the brush to clean the drill slag, dust in the hole, if not clean directly affect the adhesion of plant bar glue and wall, thereby leading to the insufficient steel bar pullout resistance.

[0005] (3) glue injection: the important link of plant bar technology, glue injection must be full, guarantee the effective adhesion of steel bar and wall.

[0006] (4) steel bar insertion: the important link of plant bar technology, clean the surface of steel bar, do not have oil stains, rust, the surface of steel bar is wrapped full of plant bar glue and inserted into the hole.

[0007] (5) wait for 2-3 days (higher temperature), 3-4 days (lower temperature), carry out the pullout test.

[0008] As above, each process can influence the plant bar quality, therefore the traditional plant bar technology has higher requirement to management, construction, leading to slower construction speed. UTILITY MODEL CONTENTS

[0009] The utility model provides a plant bar sleeve, can make plant bar construction speed fast.

[0010] The embodiment of the utility model provides a plant bar sleeve, including body and conical plug, the body is cylindrical structure, the body is used for plant bar to pass through, the first end of the body is provided with a plurality of fins, each fin is arranged around the center line of the body, and the first end of the body is provided to the setting end of plant bar. The conical plug is hollow structure, the plant bar that passes through the body is passed through the conical plug, the outer peripheral wall of the conical plug is conical surface, the big end of the conical surface is provided to the setting end of plant bar, the conical surface can be pressed into the space surrounded by each fin along the central line extension direction, and each fin is expanded outward to be extruded and fixed with the inner peripheral wall of plant bar hole when the plant bar passes through the body and the conical plug and is clamped on the side of the conical plug away from the body, and the body and the conical plug are inserted into the plant bar hole along with the plant bar, by pressing the body and pulling the plant bar, the conical surface is pressed into the space, and each fin is expanded outward and is extruded and fixed with the inner peripheral wall of the plant bar hole.

[0011] In some embodiments, each fin is a strip structure extending along the central line extension direction of the body.

[0012] In some embodiments, the first end of the body is provided with a plurality of slots, each of the slots is arranged around the center line of the body, and the body between two adjacent slots forms a fin.

[0013] In some embodiments, the outer diameter of the body is equal to the inner diameter of the anchorage hole.

[0014] In some embodiments, the length of the body in the direction of the center line is greater than or equal to the depth of the anchorage hole.

[0015] In some embodiments, the inner diameter of the tapered plug is equal to the outer diameter of the anchorage bar.

[0016] In some embodiments, the outer diameter of the small end of the tapered surface is smaller than the inner diameter of the space.

[0017] In some embodiments, the outer diameter of the large end of the tapered surface is smaller than or equal to the outer diameter of the body.

[0018] In some embodiments, the anchorage sleeve further comprises a sleeve ring. The sleeve ring can be sleeved and fixed on the outer peripheral wall of the anchorage bar, and can be slid into the body along the direction of the center line to press against the small end of the tapered plug, so as to push the tapered plug out of the space.

[0019] In some embodiments, the second end of the body has a pressing plate perpendicular to the center line of the body.

[0020] According to the embodiments of the utility model, the anchorage sleeve comprises a body and a tapered plug. The body is in a cylindrical structure, the anchorage bar passes through the body, the first end of the body is provided with a plurality of fins, each of the fins is arranged around the center line of the body, and the first end of the body is arranged towards the passing end of the anchorage bar. The tapered plug is in a hollow structure, the anchorage bar passing through the body passes through the tapered plug, the outer peripheral wall of the tapered plug is a tapered surface, the large end of the tapered surface is arranged towards the passing end of the anchorage bar, the tapered surface can be pressed into the space surrounded by each fin along the direction of the center line, and each fin is expanded outward to be fixed with the inner peripheral wall of the anchorage hole when the anchorage bar passes through the body and the tapered plug and is clamped on the side of the tapered plug away from the body, and the body and the tapered plug are inserted into the anchorage hole together with the anchorage bar. By pressing the body and pulling the anchorage bar, the tapered surface is pressed into the space, each fin is expanded outward and is fixed with the inner peripheral wall of the anchorage hole. After the anchorage sleeve is used, the anchorage bar is positioned in the anchorage hole by pressing the body and pulling the anchorage bar when the anchorage bar passes through the body and the tapered plug and is clamped on the side of the tapered plug away from the body, and the body and the tapered plug are inserted into the anchorage hole together with the anchorage bar. The above operation is simple, fast in construction speed, and has guaranteed quality. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0022] Fig. 1 The figure is a schematic diagram of the steel bar sleeve before use in the embodiments of the present application.

[0023] Fig. 2 The figure is a schematic diagram of the steel bar sleeve after use in the embodiments of the present application. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present application more clearly, the following will further describe the present application in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0025] The traditional steel bar planting method is drilling, hole cleaning, injecting steel bar planting glue, inserting steel bar, waiting for the steel bar planting glue to solidify and reach the strength, and then the next process can be carried out, and the construction speed is slow. In order to overcome the shortcomings of the traditional steel bar planting method, referring to Figs. 1-2 The embodiments of the present application provide a steel bar sleeve, which comprises a body 1 and a tapered plug 2.

[0026] The body 1 is a cylindrical structure, preferably, the body 1 is a circular cylindrical structure. The body 1 is provided for the steel bar (that is, the steel bar) to pass through. The first end of the body 1 is provided with a plurality of fins 11. Each fin 11 is arranged around the center line of the body 1. Each fin 11 can be a strip structure extending along the center line extension direction of the body 1. The first end of the body 1 can be provided with a plurality of grooves, each groove is arranged around the center line of the body 1, and the body 1 between the adjacent two grooves constitutes the fin 11. The first end of the body 1 is provided towards the passing end of the steel bar.

[0027] In addition, the outer diameter of the body 1 is less than or equal to the inner diameter of the drilled steel bar hole. Preferably, the outer diameter of the body 1 can be equal to the inner diameter of the steel bar hole, so as to improve the stability of the body 1 in the steel bar hole. The length of the body 1 in the center line extension direction is selected according to the construction needs. Preferably, the length of the body 1 in the center line extension direction can be greater than or equal to the depth of the steel bar hole, so as to facilitate the construction personnel to press the body 1.

[0028] The second end of the body 1 can be provided with a pressing plate, which is perpendicular to the center line of the body 1, so that the construction personnel can press the body 1 through the pressing plate.

[0029] The body 1 can be made of a steel pipe, and the wall thickness of the selected steel pipe needs to reach the national standard. The steel pipe is cut to a length of 2 / 3 of the hole depth, and the one end of the steel pipe is cut 2-3 times along the diameter direction of the steel pipe by a grinder, and the cutting depth is 1 / 3 of the pipe length, which is the body 1.

[0030] The tapered plug 2 is a hollow structure, that is, the middle part of the tapered plug 2 has an opening, which is preferably a circular hole. The tapered plug 2 is provided for the steel bar passing through the body 1. The outer peripheral wall of the tapered plug 2 is a tapered surface. The large end of the tapered surface is arranged towards the passing end of the steel bar. The tapered surface can be pressed into the space surrounded by each fin 11 along the extension direction of the center line thereof, and each fin 11 is pushed to expand outward.

[0031] In addition, the inner diameter of the tapered plug 2 is greater than or equal to the outer diameter of the steel bar. Preferably, the inner diameter of the tapered plug 2 can be equal to the outer diameter of the steel bar to improve the stability of the steel bar. The outer diameter of the small end of the tapered surface is less than or equal to the inner diameter of the space. Preferably, the outer diameter of the small end of the tapered surface can be less than the inner diameter of the space to facilitate the pressing of the tapered surface into the space. The outer diameter of the large end of the tapered surface is selected according to the construction needs. Preferably, the outer diameter of the large end of the tapered surface can be less than or equal to the outer diameter of the body 1, and further preferably, the outer diameter of the large end of the tapered surface is equal to the outer diameter of the body 1 to improve the adaptability of the tapered plug 2 and the body 1.

[0032] The tapered plug 2 can be made of a screw nut. Alternatively, the screw nut is polished on one side to form a tapered surface as the tapered plug 2.

[0033] The steel bar sleeve can further include a sleeve ring.

[0034] The sleeve ring can be a circular ring structure. The sleeve ring can be sleeved and fixed on the outer peripheral wall of the steel bar, and slid into the body 1 along the extension direction of the center line thereof to abut against the small end of the tapered plug 2 and push the tapered plug 2 out of the space.

[0035] Through the above arrangement, when the steel bar passes through the body 1 and the tapered plug 2 and is clamped on the side of the tapered plug 2 away from the body 1, and the body 1 and the tapered plug 2 are inserted into the steel bar hole together with the steel bar, the tapered surface is pressed into the space by abutting against the body 1 and pulling the steel bar by using a pulling device, each fin 11 expands outward and is pressed and fixed with the inner peripheral wall of the steel bar hole, and the anchoring effect of the steel bar is achieved. In order to make the steel bar clamped on the side of the tapered plug 2 away from the body 1, the passing end of the steel bar is upset to form a thick steel bar upset, and the outer diameter of the thick steel bar upset can be equal to the outer diameter of the sleeve. The construction quality of each process of the conventional steel bar technology is relatively high, and the process takes a long time and increases the management work. The utility model has the advantages of simple operation, fast construction speed, and guaranteed quality.

[0036] The same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components; in the description of the utility model, it is understood that if there are terms "upper", "lower", "left", "right" and the like indicating the orientation or positional relationship, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore, the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the patent, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0037] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An anchoring sleeve, characterized in that The application relates to a steel bar sleeve, which comprises: a body in a cylindrical structure, the body being provided for a steel bar to pass through, a first end of the body being provided with a plurality of fins, each of the fins being arranged around a center line of the body, and the first end of the body being arranged towards a passing end of the steel bar; a conical plug in a hollow structure, the conical plug being provided for the steel bar to pass through the body, an outer peripheral wall of the conical plug being a conical surface, a large end of the conical surface being arranged towards the passing end of the steel bar, the conical surface being capable of being pressed into a space surrounded by each of the fins along a direction of extension of a center line of the conical plug, and each of the fins being capable of being expanded outwards to be pressed and fixed with an inner peripheral wall of a steel bar hole when the steel bar passes through the body and the conical plug, and the body and the conical plug are inserted into the steel bar hole together with the steel bar, and the conical surface is pressed into the space by pressing the body and pulling the steel bar, each of the fins is expanded outwards to be pressed and fixed with the inner peripheral wall of the steel bar hole.

2. The steel bar sleeve according to claim 1, wherein each of the fins is a strip structure extending along the direction of extension of the center line of the body.

3. The steel bar sleeve according to claim 1, wherein a plurality of grooves are formed in the first end of the body, each of the grooves is arranged around the center line of the body, and the body between two adjacent grooves constitutes the fin.

4. The steel bar sleeve according to claim 1, wherein an outer diameter of the body is equal to an inner diameter of the steel bar hole.

5. The steel bar sleeve according to claim 1, wherein a length of the body in the direction of extension of the center line is greater than or equal to a depth of the steel bar hole.

6. The steel bar sleeve according to claim 1, wherein an inner diameter of the conical plug is equal to an outer diameter of the steel bar.

7. The steel bar sleeve according to claim 1, wherein an outer diameter of a small end of the conical surface is smaller than an inner diameter of the space.

8. The steel bar sleeve according to claim 1, wherein an outer diameter of the large end of the conical surface is smaller than or equal to the outer diameter of the body.

9. The anchoring sleeve of Claim 1, wherein, The application further relates to a steel bar sleeve, which comprises: a sleeve ring, the sleeve ring being capable of being sleeved and fixed on an outer peripheral wall of the steel bar, and being capable of sliding into the body along a direction of extension of a center line of the sleeve ring to press a small end of the conical plug and push the conical plug out of the space.

10. The steel bar sleeve according to claim 1, wherein a second end of the body is provided with a pressing plate, and the pressing plate is perpendicular to the center line of the body.

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