CN217652157U - Steel bar sleeve with high corrosion resistance - Google Patents

Abstract

The utility model discloses a steel sleeve that corrosion resistance is high, including main part pipe, spread groove and connecting thread, the inside of main part pipe is provided with the spread groove, the inside wall fixedly connected with connecting thread of main part pipe, the lateral wall fixedly connected with anticorrosion structure of main part pipe, the inside one side fixedly connected with fastening connection structure of spread groove. The utility model discloses a be provided with reinforced structure and realized improving this telescopic connection steadiness of reinforcing bar, after the inside that the reinforcing bar runs through external screw thread pipe and threaded connection to main part pipe was crossed, threaded connection through external screw thread pipe and fastening nut rotates to external screw thread pipe terminal direction down, because external screw thread pipe is cut apart by the cut-off groove and is a plurality of parts, external screw thread pipe also will be to the reinforcing bar that the inboard extrusion runs through in fastening nut pivoted, make the reinforcing bar press from both sides tightly by external screw thread pipe behind this steel bar sleeve pipe connection, and then make the connection of reinforcing bar more stable to it is not hard up to avoid steel bar connection.

Description

Steel bar sleeve with high corrosion resistance

Technical Field

The utility model relates to a steel sleeve technical field specifically is a steel sleeve that corrosion resistance is high.

Background

The use of the steel bars is common in the industrial production field, the lengths of the steel bars are often uniform and cannot be changed after the production, the steel bars are often required to be connected for use in the construction process, and special steel bar sleeves are often used for connecting the steel bars in order to reinforce the connection of the steel bars;

traditional steel bar sleeve often installs through the threaded connection with the reinforcing bar, makes two sets of reinforcing bars connect through steel bar sleeve, and threaded connection when using for a long time and the phenomenon that appears becoming flexible or wearing and tearing for the condition that the steel bar connection easily appears becoming flexible and drops takes place.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel sleeve that corrosion resistance is high to propose the easy not hard up problem of steel bar connection in solving above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a steel sleeve that corrosion resistance is high, includes main part pipe, spread groove and connecting thread, the inside of main part pipe is provided with the spread groove, the inside wall fixedly connected with connecting thread of main part pipe, the equal fixedly connected with reinforced structure in both sides of main part pipe, reinforced structure includes external screw thread pipe, cuts apart groove and fastening nut, one side of external screw thread pipe and one side fixed connection of main part pipe, the inside of external screw thread pipe is provided with cuts apart the groove, the lateral wall threaded connection who cuts apart the groove has fastening nut, the lateral wall fixedly connected with anticorrosion structure of main part pipe, the inside one side fixedly connected with fastening connection structure of spread groove.

Preferably, the external thread pipe is symmetrically distributed about the vertical center line of the main body pipe, and the dividing grooves are annularly distributed in the inner part of the outer side wall of the external thread pipe.

Preferably, the anticorrosion structure includes aluminum alloy layer, protective paint and protective cloth, the inside wall on aluminum alloy layer and the lateral wall fixed connection of main part pipe, protective paint has been paintd to the lateral wall on aluminum alloy layer, protective paint's lateral wall winding has protective cloth.

Preferably, the cross-sectional area of the inner diameter of the aluminum alloy layer is larger than the cross-sectional area of the outer diameter of the main pipe, and the protective cloth and the aluminum alloy layer are in the same vertical plane.

Preferably, the fastening connection structure includes extrusion spring, push pedal and buffer block, the extrusion spring sets up in the inside one side of main part pipe, one side fixedly connected with push pedal of extrusion spring, one side fixedly connected with buffer block of push pedal.

Preferably, the extrusion spring is elastically connected with the inside of the push plate, and the buffer block is in a sliding structure with the inside of the main body pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the steel bar sleeve with high corrosion resistance not only improves the connection stability of the steel bar sleeve, but also improves the corrosion resistance of the steel bar sleeve and the connection tightness of the steel bar sleeve;

(1) The reinforcing structure is arranged to improve the connection stability of the reinforcing steel bar sleeve, when the reinforcing steel bars penetrate through the external threaded pipe and are connected to the inside of the main pipe in a threaded mode, the external threaded pipe is connected with the fastening nut in a threaded mode and rotates towards the tail end of the external threaded pipe, the external threaded pipe is divided into a plurality of parts by the dividing grooves, the external threaded pipe extrudes the penetrating reinforcing steel bars inwards while the fastening nut rotates, the reinforcing steel bars are clamped by the external threaded pipe after being connected with the reinforcing steel bar sleeve, and then the connection of the reinforcing steel bars is more stable, so that the looseness of the connection of the reinforcing steel bars is avoided;

(2) The corrosion resistance of the steel bar sleeve is improved by arranging the anti-corrosion structure, the aluminum alloy layer has better oxidation resistance, a compact aluminum oxide film can be formed under a certain condition, certain isolation blocking can be performed on oxidation corrosion, and meanwhile, the aluminum alloy layer is wrapped by the protective paint and the protective cloth on the outer side wall of the aluminum alloy layer, so that the steel bar sleeve cannot scratch the aluminum alloy layer in the using process, and further the aluminum alloy layer can isolate and protect the main body pipe inside the steel bar sleeve to prevent corrosion, thereby prolonging the service life of the steel bar sleeve;

(3) Realize improving the inseparable type of connection of this steel bar sleeve through being provided with fastening connection structure, when reinforcing bar threaded connection inserts the inside of main part pipe, along with the gradual rotation of reinforcing bar inserts can produce the extrusion to the extrusion spring, the extrusion spring will produce great elasticity to the reinforcing bar after reinforcing bar and main part pipe threaded connection finish, and make the push pedal backward extrusion reinforcing bar under the elastic action, and then make the connection between reinforcing bar surface screw thread and the inside connecting thread of spread groove inseparabler, prevent with this smooth silk, not hard up phenomenon takes place, thereby reduce this steel bar sleeve's wearing and tearing.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of the stable structure of the present invention from the bottom;

fig. 4 is a schematic view of a front view partial section structure of the fixed protection structure of the present invention;

fig. 5 is a schematic view of the front cross-sectional structure of the auxiliary fixing structure of the present invention.

In the figure: 1. a main tube; 2. connecting grooves; 3. connecting threads; 4. reinforcing the structure; 401. an externally threaded tube; 402. dividing the groove; 403. fastening a nut; 5. an anti-corrosion structure; 501. an aluminum alloy layer; 502. protective paint; 503. protective cloth; 6. fastening the connecting structure; 601. a compression spring; 602. pushing the plate; 603. and a buffer block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a steel bar sleeve with high corrosion resistance comprises a main body pipe 1, a connecting groove 2 and connecting threads 3, wherein the connecting groove 2 is arranged in the main body pipe 1, and the connecting threads 3 are fixedly connected to the inner side wall of the main body pipe 1;

the reinforcing structure 4 is fixedly connected to both sides of the main pipe 1, the reinforcing structure 4 comprises an external threaded pipe 401, a dividing groove 402 and a fastening nut 403, one side of the external threaded pipe 401 is fixedly connected with one side of the main pipe 1, the dividing groove 402 is arranged inside the external threaded pipe 401, the outer side wall of the dividing groove 402 is in threaded connection with the fastening nut 403, the external threaded pipe 401 is symmetrically distributed around the vertical center line of the main pipe 1, and the dividing groove 402 is annularly distributed inside the outer side wall of the external threaded pipe 401;

specifically, as shown in fig. 1, 2 and 3, when this mechanism is used, first, after the reinforcing bar has passed through the male screw tube 401 and has been screwed into the main tube 1, the male screw tube 401 is rotated toward the distal end of the male screw tube 401 by the screwing of the male screw tube 401 and the fastening nut 403, and since the male screw tube 401 is divided into several parts by the dividing grooves 402, the male screw tube 401 presses the penetrating reinforcing bar inward while the fastening nut 403 is rotated, so that the reinforcing bar is clamped by the male screw tube 401 after being coupled to the reinforcing bar sleeve, and the coupling of the reinforcing bar is further stabilized;

the outer side wall of the main body pipe 1 is fixedly connected with an anti-corrosion structure 5, the anti-corrosion structure 5 comprises an aluminum alloy layer 501, protective paint 502 and protective cloth 503, the inner side wall of the aluminum alloy layer 501 is fixedly connected with the outer side wall of the main body pipe 1, the protective paint 502 is coated on the outer side wall of the aluminum alloy layer 501, the protective cloth 503 is wound on the outer side wall of the protective paint 502, the cross sectional area of the inner diameter of the aluminum alloy layer 501 is larger than that of the outer diameter of the main body pipe 1, and the protective cloth 503 and the aluminum alloy layer 501 are located on the same vertical plane;

specifically, as shown in fig. 1, fig. 3 and fig. 4, when the mechanism is used, firstly, because the aluminum alloy layer 501 has good oxidation resistance, a compact aluminum oxide film can be formed under a certain condition, and a certain isolation barrier can be performed on oxidation corrosion, and meanwhile, the aluminum alloy layer 501 is wrapped by the protective paint 502 and the protective cloth 503 on the outer side wall of the aluminum alloy layer 501, so that the aluminum alloy layer 501 is not scratched by the steel bar sleeve in the using process, and the aluminum alloy layer 501 can isolate and protect the main pipe 1 inside the aluminum alloy layer from corrosion;

one side inside the connecting groove 2 is fixedly connected with a fastening connecting structure 6, the fastening connecting structure 6 comprises an extrusion spring 601, a push plate 602 and a buffer block 603, the extrusion spring 601 is arranged on one side inside the main body pipe 1, one side of the extrusion spring 601 is fixedly connected with the push plate 602, one side of the push plate 602 is fixedly connected with the buffer block 603, the extrusion spring 601 is elastically connected with the inside of the push plate 602, and the buffer block 603 is in a sliding structure with the inside of the main body pipe 1;

specifically, as shown in fig. 1, fig. 2 and fig. 5, when the mechanism is used, firstly, when the steel bar is inserted into the main pipe 1 by the screw connection, the extrusion spring 601 is extruded along with the gradual rotation of the steel bar, after the screw connection between the steel bar and the main pipe 1 is completed, the extrusion spring 601 will generate a large elastic force to the steel bar, and the push plate 602 will reversely extrude the steel bar under the action of the elastic force, so that the connection between the screw thread on the surface of the steel bar and the connecting screw thread 3 is tighter, thereby preventing the phenomena of wire sliding and loosening.

The working principle is as follows: when the utility model is used, firstly, when the reinforcing steel bar sleeve is needed to connect two reinforcing steel bars, the reinforcing steel bars penetrate through the external thread pipe 401 and are inserted into one side inside the main body pipe 1, so that the reinforcing steel bars are in threaded connection with the connecting threads 3, after the reinforcing steel bars are in threaded connection and are inserted into the main body pipe 1, one side of the reinforcing steel bars is gradually contacted with the push plate 602 and extrudes the extrusion spring 601, the extrusion spring 601 is also extruded and contracted to the maximum degree along with the completion of the reinforcing steel bar threaded connection, so that the extrusion spring 601 reversely extrudes the inserted reinforcing steel bars through the push plate 602, the outer threads of the reinforcing steel bars are more compact with the connecting threads 3, and the reinforcing steel bars are not easy to loosen;

secondly, after the reinforcing steel bar is inserted into the connecting groove 2, the fastening nut 403 is rotated through the threaded connection of the external threaded pipe 401 and the fastening nut 403, and the fastening nut 403 gradually moves towards the tail end of the external threaded pipe 401, because the external threaded pipe 401 is divided into a plurality of parts by the dividing groove 402, the external threaded pipe 401 is gradually extruded to the external threaded pipe 401 while the fastening nut 403 rotates, so that the external threaded pipe 401 is tightly attached to the outer side wall of the reinforcing steel bar under the action of extrusion force, the reinforcing steel bar is more stable under the action of larger extrusion force, and then the other reinforcing steel bar is also installed, so that the two reinforcing steel bars are connected;

finally, because this steel sleeve is used in the open air more, very easily produce the oxidation under external oxygen and the water stain effect, and fix and have certain hindrance effect to external oxidation at the aluminium alloy layer 501 of 1 lateral wall of main part pipe, aluminium alloy layer 501 can not direct contact and then avoid aluminium alloy layer 501 to appear scraping flower or wearing and tearing under the parcel of protection cloth 503 simultaneously, make aluminium alloy layer 501 keep apart external oxygen and water stain, and protect this steel sleeve, this steel sleeve's use work is finally accomplished.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a steel sleeve that corrosion resistance is high, includes main part pipe (1), spread groove (2) and connecting thread (3), its characterized in that: the inside of main part pipe (1) is provided with spread groove (2), inside wall fixedly connected with connecting thread (3) of main part pipe (1), the equal fixedly connected with reinforced structure (4) in both sides of main part pipe (1), reinforced structure (4) are including external screw pipe (401), cut apart groove (402) and fastening nut (403), one side of external screw pipe (401) and one side fixed connection of main part pipe (1), the inside of external screw pipe (401) is provided with cuts apart groove (402), the lateral wall threaded connection who cuts apart groove (402) has fastening nut (403), the lateral wall fixedly connected with anticorrosion structure (5) of main part pipe (1), one side fixedly connected with fastening connection structure (6) of inside spread groove (2).

2. The steel sleeve with high corrosion resistance as recited in claim 1, wherein: the outer threaded pipe (401) is symmetrically distributed relative to the vertical center line of the main pipe (1), and the dividing grooves (402) are annularly distributed in the outer side wall of the outer threaded pipe (401).

3. The steel sleeve with high corrosion resistance as recited in claim 2, wherein: anticorrosion structure (5) includes aluminum alloy layer (501), protective paint (502) and protective cloth (503), the inside wall of aluminum alloy layer (501) and the lateral wall fixed connection of main part pipe (1), protective paint (502) has been paintd on the lateral wall of aluminum alloy layer (501), protective cloth (503) has been twined to the lateral wall of protective paint (502).

4. The steel sleeve with high corrosion resistance as recited in claim 3, wherein: the cross-sectional area of aluminium alloy layer (501) internal diameter is greater than the cross-sectional area of main part pipe (1) external diameter, protection cloth (503) and aluminium alloy layer (501) are in same vertical plane.

5. The steel sleeve with high corrosion resistance as recited in claim 1, wherein: fastening connection structure (6) are including extrusion spring (601), push pedal (602) and buffer block (603), extrusion spring (601) set up in the inside one side of main part pipe (1), one side fixedly connected with push pedal (602) of extrusion spring (601), one side fixedly connected with buffer block (603) of push pedal (602).

6. The steel sleeve with high corrosion resistance as recited in claim 5, wherein: the extrusion spring (601) is elastically connected with the inside of the push plate (602), and the buffer block (603) is in a sliding structure with the inside of the main pipe (1).

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