Steel bar connector
By dividing the rebar compression sleeve into multiple arc-shaped shells and using a snap-fit assembly method, and pressing the self-locking flap with the fixed sleeve at the joint end, the problem of low rebar connection efficiency in the existing technology is solved, and fast and stable rebar connection is achieved.
Patent Information
- Application Number
- CN202520270533.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Existing rebar connectors require precise alignment during insertion, resulting in low connection efficiency. Furthermore, the self-locking flaps hinder rebar insertion, necessitating multiple adjustments.
The steel bar sleeve is divided into multiple arc-shaped shells along the circumference, and is assembled into a whole using a snap-fit method. A self-locking flap is set at the end of the arc-shaped shell, and the end fixing sleeve is used to press the self-locking flap to achieve a simple connection.
It simplifies the rebar connection process, improves connection efficiency, avoids the difficulty of alignment caused by the self-locking flap, and achieves fast and stable rebar connection.
Smart Images
Figure CN223753595U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a reinforcing bar connecting technical field especially a reinforcing bar connector. BACKGROUND
[0002] The main role of reinforcing bars in buildings is to bear tensile force, enhance the bearing capacity and seismic performance of building structures, prevent the generation and expansion of cracks in building structures, and improve the durability and safety of structures.
[0003] In actual use, the length of reinforcing bars is different due to different ranges and areas, and the end portions of two reinforcing bars need to be welded for use in some occasions. The traditional welding and binding mode is slow in construction, so in order to meet market demand, a self-locking petal reinforcing bar connector appears. The self-locking petal reinforcing bar connector can connect two reinforcing bars by spinning the self-locking petals of the end fixing sleeve and pressing the self-locking petal reinforcing bars.
[0004] In actual operation, the reinforcing bar needs to be inserted into the self-locking petals, but the end aperture of the self-locking petals is only slightly larger than the diameter of the reinforcing bar, so that when inserting, the end portion of the reinforcing bar needs to be accurately aligned with the opening formed by the multiple self-locking petals, and the reinforcing bar can be inserted into the self-locking petals. Usually, it needs to be adjusted for several times to realize the insertion connection, which seriously affects the connection efficiency. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a reinforcing bar connector to solve the problems existing in the prior art, by dividing the reinforcing bar pressing sleeve into multiple arc-shaped shells in the circumferential direction, forming the entire reinforcing bar pressing sleeve by means of buckling assembly of the multiple arc-shaped shells, and sleeving the reinforcing bar inside, so that the reinforcing bar connecting mode is simpler and conducive to improving the reinforcing bar connection efficiency.
[0006] To achieve the above-mentioned purpose, the utility model provides the following scheme:
[0007] A reinforcing bar connector, comprising a reinforcing bar pressing sleeve and an end fixing sleeve, the reinforcing bar pressing sleeve is divided into multiple arc-shaped shells in the circumferential direction, and the arc-shaped shells are used for buckling on the outside of the reinforcing bar; along the axial direction of the arc-shaped shells, both end portions of the arc-shaped shells are provided with self-locking petals; the end fixing sleeve is sleeved on the outside of the reinforcing bar pressing sleeve, and the end fixing sleeve is detachably connected with the reinforcing bar pressing sleeve; the end portion of the end fixing sleeve is provided with a circular truncated cone ring pressing end, which is used for sleeving on the outside of the self-locking petals and pressing the self-locking petals on the surface of the reinforcing bar.
[0008] As an embodiment, the reinforcing bar pressing sleeve is divided into two arc-shaped shells in the circumferential direction, and the arc-shaped tracks of the two arc-shaped shells are semicircles of equal size.
[0009] As an embodiment, the diameter of the end part of the self-locking clamping steel bar is smaller than the diameter of the steel bar pressing sleeve.
[0010] As an embodiment, the inner wall surface of the self-locking clamping steel bar is provided with an anti-skid layer for increasing the friction with the steel bar.
[0011] As an embodiment, the outer wall surface of the arc-shaped shell is provided with a threaded segment, and the threaded segments of the arc-shaped shells are spliced into a complete thread after splicing of the arc-shaped shells; the end fixed sleeve is threadedly connected with the steel bar pressing sleeve.
[0012] As an embodiment, the arc-shaped shell is provided with two threaded segments with opposite rotation directions, and the two threaded segments are respectively used for connecting two steel bar pressing sleeves.
[0013] As an embodiment, the arc-shaped shell is provided with a first clamping part and a second clamping part at the two side edges along the circumferential direction of the arc-shaped shell, and the first clamping part and the second clamping part are located between the two threaded segments; the first clamping part and the second clamping part on adjacent arc-shaped shells are clamped.
[0014] As an embodiment, the first clamping part is a clamping protrusion extending along the circumferential direction of the arc-shaped shell, and the second clamping part is a clamping groove used for clamping the clamping protrusion.
[0015] As an embodiment, the outer surface of the arc-shaped shell is provided with an arc-shaped protruding segment coaxial with the arc-shaped shell, the circumferential ends of the arc-shaped protruding segment are respectively provided with the first clamping part and the second clamping part, the circumferential ends of the arc-shaped protruding segments on adjacent arc-shaped shells are abutted, and the arc-shaped protruding segments are spliced into a ring structure; the axial ends of the arc-shaped protruding segment are abutted with the end part of the end fixed sleeve after installation, and the axial end edges of the arc-shaped protruding segment are adapted to the shape of the end part edge of the end fixed sleeve; the outer surfaces of the arc-shaped protruding segment, the first clamping part and the second clamping part are flush with the outer surface of the end fixed sleeve after installation.
[0016] As an embodiment, the outer surface of the end fixed sleeve is provided with a frosted surface for increasing the friction during tightening.
[0017] Compared with the prior art, the utility model has the following technical effects:
[0018] The utility model discloses a reinforcing steel bar pressing sleeve is divided into a plurality of arc shell bodies along the circumference, and the plurality of arc shell bodies are formed into the whole reinforcing steel bar pressing sleeve by the mode of buckling assembly, and the reinforcing steel bar is sleeved in, the self-locking petal of arc shell body end part is not prevented the cooperation of reinforcing steel bar and reinforcing steel bar pressing sleeve, avoids the problem that the reinforcing steel bar pressing sleeve and reinforcing steel bar are inserted in the prior art and are prevented by the self-locking petal, and the reinforcing steel bar connecting mode is simpler, and the reinforcing steel bar connecting efficiency is improved.
[0019] The other technical solutions in the utility model have the following technical effects relative to the prior art:
[0020] Along the circumference of the arc shell body, the two side edges of the arc shell body are respectively provided with a first clamping piece and a second clamping piece, and the first clamping piece and the second clamping piece are located between the two threaded segments; after the arc shell body is buckled, the first clamping piece and the second clamping piece on the adjacent arc shell bodies are clamped, the arc shell body is axially limited, and movement of the arc shell body is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.
[0022] Fig. 1 It is a reinforcing steel bar connector and reinforcing steel bar cooperation structure schematic view in one embodiment of the application;
[0023] Fig. 2 It is a reinforcing steel bar pressing sleeve and end fixed sleeve split structure schematic view in one embodiment of the application;
[0024] Fig. 3 It is a reinforcing steel bar pressing sleeve split structure schematic view in one embodiment of the application;
[0025] Fig. 4 It is reinforcing steel bar pressing sleeve arc shell body and self-locking petal structure schematic view in one embodiment of the application.
[0026] EXPLANATION OF REFERENCE NUMERALS:
[0027] 1, reinforcing steel bar pressing sleeve;2, arc shell body;3, self-locking petal;4, end fixed sleeve;5, circular table ring pressure end;6, clamping protrusion;7, clamping groove;8, arc protrusion segment;9, antiskid layer;10, reinforcing steel bar. DETAILED DESCRIPTION
[0028] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0029] The utility model discloses a reinforcing bar connector to solve the prior art problems, by the reinforcing bar pressure cover is divided into a plurality of arc shell along the circumference, a plurality of arc shell adopts the mode of buckle assembly to form the whole reinforcing bar pressure cover, and the reinforcing bar is covered in, make reinforcing bar connection mode more simple, be favorable to improving reinforcing bar connection efficiency.
[0030] In order to make the above-mentioned purpose, features and advantages of the present application more apparent, obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.
[0031] As Figs. 1-4 The utility model discloses a reinforcing bar connector, including reinforcing bar pressure cover 1 and end fixed cover 4, reinforcing bar pressure cover 1 is divided into a plurality of arc shell 2 along the circumference, and arc shell 2 is used for buckling on the outside of reinforcing bar 10, along the axial direction of arc shell 2, both ends of arc shell 2 are provided with one or more self-locking petals 3, when the self-locking petals 3 of any end are provided with multiple, the self-locking petals 3 are evenly arranged on the end along the circumference, end fixed cover 4 is covered in the outside of reinforcing bar pressure cover 1, and end fixed cover 4 is detachably connected with reinforcing bar pressure cover 1, and the end of end fixed cover 4 is provided with circular table ring pressure end 5, circular table ring pressure end 5 is used for covering in the outside of self-locking petals 3 and pressing self-locking petals 3 tightly on the surface of reinforcing bar 10, specifically, the large diameter end of circular table ring pressure end 5 is fixedly connected with end fixed cover 4, the diameter of small diameter section is greater than the sum of the diameter of reinforcing bar 10 and the thickness of self-locking petals 3, but the diameter of small diameter section is less than the diameter of reinforcing bar pressure cover 1, each reinforcing bar connector includes two end fixed cover 4, and is covered in the outside of reinforcing bar pressure cover 1 from both ends of reinforcing bar pressure cover 1 and presses the self-locking petals 3 of corresponding end tightly.
[0032] When using, a plurality of arc shell 2 is buckled on the outside of reinforcing bar 10, and the reinforcing bar pressure cover 1 surrounded by a plurality of arc shell 2 and the annular structure surrounded by a plurality of arc shell 2 and a plurality of self-locking petals 3 are covered in the outside of reinforcing bar 10, then end fixed cover 4 is covered in the outside of reinforcing bar pressure cover 1, and circular table ring pressure end 5 gradually extrudes self-locking petals 3 in the process that end fixed cover 4 is connected with reinforcing bar pressure cover 1, and self-locking petals 3 are pressed tightly on reinforcing bar 10 under the pressure of circular table ring pressure end 5, to prevent reinforcing bar 10 from coming out.
[0033] Thus, the embodiment divides the steel bar pressing sleeve 1 into multiple arc-shaped shells 2 in the circumferential direction, the multiple arc-shaped shells 2 form the entire steel bar pressing sleeve 1 in the form of buckling assembly, and the steel bar 10 is sleeved inside, the self-locking petals 3 arranged at the end of the arc-shaped shell 2 do not hinder the cooperation of the steel bar 10 and the steel bar pressing sleeve 1, avoiding the problem that the self-locking petals 3 hinder the insertion of the steel bar pressing sleeve 1 and the steel bar 10 in the prior art, which causes great difficulty in alignment, repeated adjustment, and low connection efficiency, so that the connection mode of the steel bar 10 is simpler, and the connection efficiency of the steel bar 10 is improved.
[0034] As an embodiment, the steel bar pressing sleeve 1 is divided into two arc-shaped shells 2 in the circumferential direction in the embodiment, and the arc trajectories of the two arc-shaped shells 2 are semicircles of equal size. Of course, it is also feasible that the arc trajectories of the two arc-shaped shells 2 are not equal, but the opening chord length of the arc trajectories of the two arc-shaped shells 2 (the opening chord lengths of the two arc-shaped shells 2 are equal) is greater than the diameter of the steel bar 10, so as to ensure that the two arc-shaped shells 2 can be smoothly buckled outside the steel bar 10.
[0035] As an embodiment, in the axial direction, the arc lengths of the two ends of the self-locking petals 3 are not equal, the longer end is fixedly connected with the arc-shaped shell 2, and the shorter end is inwardly inclined, so that the multiple self-locking petals 3 form a conical structure. The diameter of the large-diameter end of the circular ring pressing end 5 is greater than the diameter of the steel bar pressing sleeve 1, that is, greater than the distribution trajectory diameter of the longer end of the multiple self-locking petals 3, and the diameter of the small-diameter end of the circular ring pressing end 5 is less than the diameter of the steel bar pressing sleeve 1, but greater than the distribution trajectory diameter of the shorter end of the multiple self-locking petals 3. In use, the shorter end of the self-locking petals 3 can extend from the small-diameter end of the circular ring pressing end 5, the end of the circular ring pressing end 5 extrudes the outer wall of the self-locking petals 3, so that the small-diameter end of the self-locking petals 3 presses the steel bar 10 to fix the steel bar 10, thereby achieving the purpose of connecting two steel bars 10.
[0036] As an embodiment, the inner wall surface of the self-locking petals 3 is provided with an anti-skid layer 9 for increasing the friction between the self-locking petals 3 and the steel bar 10, so as to increase the friction between the self-locking petals 3 and the steel bar 10 and improve the fixing effect of the steel bar 10.
[0037] As an embodiment, a threaded segment is arranged on the outer wall surface of the arc-shaped shell 2, the threaded segments on the multiple arc-shaped shells 2 are spliced into a complete thread after splicing of the multiple arc-shaped shells 2, and the end fixed sleeve 4 is threadedly connected with the steel bar pressing sleeve 1.
[0038] As an embodiment, two threaded segments with opposite rotation directions are arranged on the arc-shaped shell 2, and the two threaded segments are respectively used for connecting two steel bar pressing sleeves 1, so as to facilitate the staff to rotate the end fixed sleeve 4 in opposite directions.
[0039] As an embodiment, a frosted surface for increasing the friction during tightening is arranged on the outer surface of the end fixed sleeve 4.
[0040] As an embodiment, the first clamping part and the second clamping part are arranged at the two side edges of the arc-shaped shell 2 along the circumferential direction of the arc-shaped shell 2, and are located between the two threaded segments; after the arc-shaped shell 2 is buckled, the first clamping part and the second clamping part on the adjacent arc-shaped shell 2 are clamped, the arc-shaped shell 2 is axially limited, and movement of the arc-shaped shell 2 is avoided.
[0041] As an embodiment, the first clamping part is a clamping protrusion 6 extending along the circumferential direction of the arc-shaped shell 2, and the second clamping part is a clamping groove 7 used for clamping the clamping protrusion 6; after the clamping protrusion 6 and the clamping groove 7 are clamped, the axial limitation of the arc-shaped shell 2 can be completed. The clamping protrusion 6 is semicircular or square, and the shape of the clamping groove 7 can be matched with the clamping protrusion 6.
[0042] As an embodiment, the arc-shaped shell 2 is provided with an arc-shaped protrusion segment 8 coaxial with the arc-shaped shell 2 on the outer surface of the arc-shaped shell 2, the circumferential ends of the arc-shaped protrusion segment 8 are respectively provided with the first clamping part and the second clamping part, the circumferential ends of the arc-shaped protrusion segment 8 on the adjacent arc-shaped shell 2 abut, and a plurality of arc-shaped protrusion segments 8 are spliced into a ring structure; the axial ends of the arc-shaped protrusion segment 8 abut the ends of the end fixed sleeve 4 after installation, and the axial end edges of the arc-shaped protrusion segment 8 are matched with the end edge shape of the end fixed sleeve 4; the outer surfaces of the arc-shaped protrusion segment 8, the first clamping part and the second clamping part are flush with the outer surface of the end fixed sleeve 4 after installation, which is beneficial to guarantee the integrity of the outer surface of the reinforcing steel bar connector and make the outer surface of the reinforcing steel bar connector more beautiful.
[0043] The adaptive changes according to actual needs are within the protection scope of the utility model.
[0044] The principle and implementation mode of the utility model are described by applying specific examples in the utility model, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, according to the idea of the utility model, the specific implementation mode and application range will be changed by the general technical personnel in the field. In conclusion, the content of the specification should not be understood as the limitation of the utility model.
Claims
1. A reinforcing bar coupler characterised in that, The utility model relates to a steel bar pressing sleeve and end fixing sleeve, and belongs to the field of steel bar fixing devices. The utility model discloses a steel bar pressing sleeve and end fixing sleeve, and belongs to the field of steel bar fixing devices. The steel bar pressing sleeve is divided into two arc-shaped shells along the circumference, and the arc-shaped tracks of the two arc-shaped shells are semicircles of equal size.
2. The reinforcing bar coupler according to claim 1, characterized by The diameter of the end part of the self-locking petal clamping the steel bar is less than the diameter of the steel bar pressing sleeve.
3. The reinforcing bar coupler according to claim 1, wherein The inner wall surface of the self-locking petal is provided with an anti-skid layer for increasing the friction with the steel bar.
4. The reinforcing bar coupler according to claim 3, wherein The outer wall surface of the arc-shaped shell is provided with a threaded section, and the threaded sections of the arc-shaped shells are spliced into a complete thread after splicing.
5. The reinforcing bar connector according to claim 1, wherein The arc-shaped shell is provided with two threaded sections with opposite rotation directions, and the two threaded sections are used for connecting the two steel bar pressing sleeves.
6. The reinforcing bar connector according to claim 5, wherein The first clamping part and the second clamping part are located between the two threaded sections.
7. The reinforcing bar connector according to claim 6, wherein The first clamping part is a clamping protrusion extending along the circumference of the arc-shaped shell, and the second clamping part is a clamping groove for clamping the clamping protrusion.
8. The reinforcing bar connector according to claim 7, wherein The outer surface of the arc-shaped shell is provided with an arc-shaped protruding section coaxial with the arc-shaped shell.
9. A reinforcing bar coupler according to claim 7 or 8, characterised in that, The outer surface of the arc-shaped protruding section is flush with the outer surface of the end fixing sleeve after installation.
10. The reinforcing bar connector according to claim 1, wherein The outer surface of the end fixing sleeve is provided with a frosted surface for increasing the friction when tightening.