CN108756072B - Reinforcing bar connecting sleeve for building - Google Patents
Reinforcing bar connecting sleeve for building Download PDFInfo
- Publication number
- CN108756072B CN108756072B CN201810633583.XA CN201810633583A CN108756072B CN 108756072 B CN108756072 B CN 108756072B CN 201810633583 A CN201810633583 A CN 201810633583A CN 108756072 B CN108756072 B CN 108756072B
- Authority
- CN
- China
- Prior art keywords
- spline connecting
- connecting sleeve
- spline
- hole
- cylindrical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/18—Spacers of metal or substantially of metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention belongs to the technical field of connecting devices, and particularly relates to a reinforcing steel bar connecting sleeve for a building, which comprises a spline connecting shaft and a spline connecting sleeve, wherein a threaded hole is formed in the center of the spline connecting shaft and is used for connecting one end of a reinforcing steel bar; the spline connecting shaft is a step shaft, and a group of circular arc-shaped teeth are arranged on the cylindrical surface of the large end of the step shaft; a threaded hole is formed in the center of the spline connecting sleeve and used for being connected with one end of another steel bar; the end face of the large end of the spline connecting sleeve is provided with a regular polygonal groove; a group of circular arc grooves are formed in the side wall of the regular polygonal groove; the spline connecting shaft is connected with one steel bar through the spline connecting shaft, the spline connecting sleeve is connected with the other steel bar, the large end of the spline connecting shaft is provided with the arc-shaped teeth, the side wall of the regular polygonal groove of the spline connecting sleeve is provided with the arc-shaped grooves, the spline connecting shaft and the spline connecting sleeve are fastened and locked, and the two steel bars are fastened and connected.
Description
Technical Field
The invention belongs to the technical field of connecting devices, and particularly relates to a reinforcing steel bar connecting sleeve for a building.
Background
In the prior art, concrete methods such as welding, binding and overlapping, mechanical connection and the like can be used for connecting the reinforcing steel bars. The connection of prefabricated reinforced concrete components is usually realized by firstly connecting the reinforcing steel bars and then connecting other parts on the premise. For example, in the connection of prefabricated parts, the reinforcing bars are connected first, and then the peripheral structures such as concrete are cast and connected. If adopt electric welding, need equipment such as electric welding, power cord, its process is complicated, the use is inconvenient, especially when high altitude construction, it is inconvenient to pull equipment such as power cord and electric welding, because the restriction of building site environmental condition, the power cord often can not reach the operation requirement, has caused inconvenience for the construction in building site, and work efficiency is low, wastes time and energy to there is the potential safety hazard. In practical engineering, in consideration of the reliability of the economical efficiency and the performance of the joint, the most used of the three reinforcing steel bar connection modes in the large-diameter reinforcing steel bar connection is the best mechanical connection. In the existing sleeve grouting technology abroad, the connection between the steel bars is realized by using a mode of simultaneously grouting the sleeve, and the constraint of relative slippage between the sleeve and the steel bars is ensured by filling materials; however, because of the limited shear capacity of the fill material, it is necessary to use long sleeves to meet basic performance requirements. It is desirable to obtain a composite sleeve type reinforcing bar connecting device having a better overall technical effect.
The prior art also discloses a technical scheme of a steel bar connecting sleeve, such as a Chinese patent with the application number of 201711303739.X, which comprises a fixed valve body and a movable valve body, and is characterized in that the fixed valve body is connected with an end cover with a round hole through a thread to fix a steel bar, a limit block is arranged in the fixed valve body to limit the outside of the steel bar end, a strip-shaped hole is arranged at the upper end and the lower end of the near end cover of the fixed valve body, a first outer protruding body is arranged in the strip-shaped hole, a groove-arranged spring support is arranged between the upper and the lower first outer protruding bodies, a telescopic rod is arranged in the spring, a connecting body is arranged in the movable valve body and is connected and fixed through a thread, the steel bar is extruded and fixed between the connecting body and the movable valve body, holes are arranged at the upper part and the lower part of the movable valve body corresponding to a pressing surface of, one side near the steel bar is provided with an inner plug which is connected with the connecting body by screw thread. The technical scheme can realize the connection of the steel bars and has novel principle; but the structure of this scheme is complicated, and the stability of connecting is poor, and complex operation influences steel bar structure's connection efficiency moreover.
Disclosure of Invention
In order to make up for the defects of the prior art, the building steel bar connecting sleeve is connected with a steel bar through the spline connecting shaft, the spline connecting sleeve is connected with another steel bar, the large end of the spline connecting shaft is provided with the arc-shaped teeth, the side wall of the regular polygonal groove of the spline connecting sleeve is provided with the arc-shaped grooves, the spline connecting shaft and the spline connecting sleeve are fastened and locked, the two steel bars are fastened and connected, if needed, the spline connecting shaft and the spline connecting sleeve can be preassembled in advance, the spline connecting shaft and the spline connecting sleeve are connected in a building site, and the steel bar connecting efficiency is further improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the reinforcing steel bar connecting sleeve for the building comprises a spline connecting shaft and a spline connecting sleeve, wherein a threaded hole is formed in the center of the spline connecting shaft and is used for connecting one end of a reinforcing steel bar; the spline connecting shaft is a step shaft, and a group of circular arc-shaped teeth are arranged on the cylindrical surface of the large end of the step shaft; a threaded hole is formed in the center of the spline connecting sleeve and used for being connected with one end of another steel bar; the spline connecting sleeve is a step shaft, and a regular polygonal groove is formed in the end face of the large end of the step shaft;
as a first preferable scheme of the spline connecting sleeve in the invention, a group of circular arc grooves is arranged on the side wall of the regular polygonal groove; when the spline connecting shaft works, the spline connecting shaft is connected with one end of one steel bar through a central threaded hole, the spline connecting sleeve is connected with one end of the other steel bar through the central threaded hole, the spline connecting shaft is inserted into the spline connecting sleeve, the spline connecting shaft is fixed, the spline connecting sleeve is rotated forcibly, the circular arc-shaped teeth slide along the side wall of the regular polygonal groove, the circular arc-shaped teeth finally extrude the side wall of the regular polygonal groove, when the circular arc-shaped teeth extrude the nearest circular arc-shaped groove on the side wall of the regular polygonal groove, the circular arc-shaped teeth and the side wall of the regular polygonal groove do not slide relatively, meanwhile, the spline connecting shaft is fastened and locked with the spline.
As a second preferable scheme of the spline connecting sleeve in the invention, an arc-shaped rack is arranged on the side wall of the regular polygonal groove of the spline connecting sleeve; the arc-shaped rack is meshed with the first arc-shaped tooth on the extrusion column; one side of the extrusion column is provided with a first cylindrical surface, and the other side of the extrusion column is provided with a first arc-shaped tooth; the first cylindrical surface is contacted with the arc-shaped teeth of the spline connecting shaft; during operation, after the spline connecting shaft is inserted into the spline connecting sleeve, the extrusion column is inserted between two adjacent arc-shaped teeth of the spline connecting shaft, the spline connecting shaft is fixed, the spline connecting sleeve is rotated forcibly, the arc-shaped rack slides relative to the arc-shaped teeth on the extrusion column, and when the arc-shaped rack is completely meshed with the arc-shaped teeth on the extrusion column and does not slide relative to the arc-shaped rack, the spline connecting shaft and the spline connecting sleeve are fastened and locked.
As a third preferable scheme of the spline connecting sleeve in the invention, a cylindrical groove is arranged on the end surface of the large end of the spline connecting sleeve; a group of rectangular grooves are arranged on the inner wall of the cylindrical groove; the bottom of the rectangular groove is connected with one end of a group of springs; the other end of the spring is contacted with the cylindrical surface of the round rod; the notch of the cylindrical groove is provided with a blocking support; the blocking support is arc-shaped, can slide in a sliding groove of the spline connecting sleeve, and is provided with a rotating handle at one end; an inclined plane is arranged on the cylindrical surface of the cylindrical groove of the spline connecting sleeve; the inclined plane is arranged between two adjacent rectangular grooves, and a group of circular arc-shaped grooves are formed in the inclined plane; during operation, after the spline connecting shaft is inserted into the spline connecting sleeve, the rotating handle for blocking the support is pulled, the blocking support rotates, the rectangular notch of the spline connecting sleeve is opened, the round bar is popped out of the rectangular groove by the elasticity of the spring, the round bar enters between two adjacent arc-shaped teeth of the spline connecting shaft, the spline connecting shaft is fixed, the spline connecting sleeve is rotated forcibly, the arc-shaped teeth slide along the inclined plane on the cylindrical groove, when the arc-shaped teeth extrude the nearest arc-shaped groove on the inclined plane, the arc-shaped teeth do not slide relative to the inclined plane, and meanwhile, the spline connecting shaft and the spline connecting sleeve are fastened and locked.
As a preferred scheme of the invention, a threaded hole is formed in the end face of the small end of the spline connecting shaft, and a locking nut is connected in the threaded hole through threads; the end face of the small end of the spline connecting sleeve is provided with a threaded hole, and a locking nut is connected in the threaded hole through threads; the locking nuts are symmetrically arranged, stepped holes are formed in the centers of the locking nuts, and reverse pawls are arranged in the stepped holes; one end of the reverse pawl is rotatably connected in the step hole through a rotating shaft, and the middle part of the reverse pawl is connected with the inner wall of the step hole through a spring; when the steel bar loosening device works, after a steel bar is screwed into a threaded hole of the spline connecting shaft, the locking nut is rotated, the locking nut drives the reverse pawl to move, the other end of the reverse pawl abuts against a thread at the end of the steel bar, and loosening between the steel bar and the spline connecting shaft is achieved.
As a preferred scheme of the invention, a rectangular column is arranged at the bottom of the stepped hole of the locking nut; a first cylindrical hole is formed in the middle of the rectangular column; a second cylindrical hole is formed in the cylindrical surface of the locking nut; one end of the second cylindrical hole is communicated with the first cylindrical hole, and the other end of the second cylindrical hole is connected with an oil injection nozzle through threads; one side of the rectangular column, which is close to the reverse pawl, is provided with a V-shaped groove; one side, close to the rectangular column, of the reverse pawl is attached to the surface of the rectangular column, and an elastic V-shaped bulge is arranged on the surface, attached to one side of the rectangular column, of the reverse pawl; during operation, after the reinforcing bar precession spline connection axle's threaded hole, reverse pawl is by the screw thread jack-up of reinforcing bar, and reverse pawl drives the protruding swing of elasticity V-arrangement, and the V-arrangement groove is left in elasticity V-arrangement arch, and the lubricating oil in cylinder hole and No. two cylinder holes lubricates the reinforcing bar screw thread, has made things convenient for in the reinforcing bar screw in spline connection axle, and lubricating oil carries out rust-resistant treatment to spline connection cover inside simultaneously.
The invention has the following beneficial effects:
1. the spline connecting shaft is connected with one steel bar through the spline connecting shaft, the spline connecting sleeve is arranged to be connected with the other steel bar, the large end of the spline connecting shaft is provided with the arc-shaped teeth, the side wall of the regular polygonal groove of the spline connecting sleeve is provided with the arc-shaped grooves, the spline connecting shaft and the spline connecting sleeve are fastened and locked, and the two steel bars are fastened and connected; if need, spline connection axle and spline adapter sleeve can be installed in advance, connect spline connection axle and spline adapter sleeve between realizing the building site, have further improved steel bar connection efficiency.
2. According to the spline connecting sleeve, the inner wall of the cylindrical groove of the spline connecting sleeve is provided with the group of rectangular grooves, the bottom of each rectangular groove is connected with one end of the group of springs, the other end of each spring is in contact with the cylindrical surface of the round bar, the notch of each cylindrical groove is provided with the blocking support, and the spline connecting shaft is quickly inserted into the spline connecting sleeve; set up the slope plane between two adjacent rectangular channels, set up a set of convex recess on the slope plane, realize rotatory to block and support the back, the pole gets into between two adjacent convex teeth of spline connecting axle, and then through rotatory spline connecting sleeve, realizes spline connecting axle and spline connecting sleeve fastening and locking.
3. According to the invention, the locking nuts are arranged at the spline connecting shaft and the small end of the spline connecting sleeve, the reverse pawl is arranged in the step hole of the locking nut, the locking nut is rotated to drive the reverse pawl to move, and the other end of the reverse pawl abuts against the thread at the end of the steel bar, so that the steel bar and the spline connecting shaft are loosened.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is a sectional view taken along line A-A in FIG. 1 and a first structural schematic diagram of the spline connecting sleeve;
FIG. 3 is a sectional view taken along line A-A of FIG. 1 and a second structural schematic diagram of the spline connecting sleeve;
FIG. 4 is a sectional view taken along line A-A in FIG. 1 and a third structural schematic diagram of the spline connecting sleeve;
FIG. 5 is an enlarged view at B in FIG. 1;
in the figure: the device comprises a spline connecting shaft 1, circular arc-shaped teeth 11, a spline connecting sleeve 2, a regular polygonal groove 3, an arc-shaped rack 4, an extrusion column 41, a first cylindrical surface 411, a first arc-shaped tooth 412, a cylindrical groove 5, a rectangular groove 51, a round rod 52, a blocking support 53, a sliding groove 54, a locking nut 6, a stepped hole 61, a reverse pawl 62, a rotating shaft 63, a rectangular column 64, a first cylindrical hole 641, a second cylindrical hole 642, a V-shaped groove 643 and an elastic V-shaped protrusion 65.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the reinforcing steel bar connecting sleeve for buildings, provided by the invention, comprises a spline connecting shaft 1 and a spline connecting sleeve 2, wherein a threaded hole is formed in the center of the spline connecting shaft 1 and is used for connecting one end of a reinforcing steel bar; the spline connecting shaft 1 is a step shaft, and a group of circular arc teeth 11 are arranged on the cylindrical surface of the large end of the step shaft; a threaded hole is formed in the center of the spline connecting sleeve 2 and is used for connecting one end of another steel bar; the spline connecting sleeve 2 is a step shaft, and the end face of the large end of the step shaft is provided with a regular polygonal groove 3;
as a first embodiment of the spline connecting sleeve 2 in the invention, a group of circular arc grooves are arranged on the side wall of the regular polygonal groove 3; when the spline connecting shaft 1 works, the spline connecting shaft 1 is connected with one end of one steel bar through a central threaded hole, the spline connecting sleeve 2 is connected with one end of the other steel bar through the central threaded hole, the spline connecting shaft 1 is inserted into the spline connecting sleeve 2, the spline connecting shaft 1 is fixed, the spline connecting sleeve 2 is rotated forcibly, the arc-shaped teeth 11 slide along the side wall of the regular polygonal groove 3, the arc-shaped teeth 11 finally extrude the side wall of the regular polygonal groove 3, when the arc-shaped teeth 11 extrude the nearest arc-shaped groove on the side wall of the regular polygonal groove 3, the arc-shaped teeth 11 and the side wall of the regular polygonal groove 3 do not slide relatively, meanwhile, the spline connecting shaft 1 and the spline connecting sleeve 2 are fastened and locked, and.
As a second embodiment of the spline connecting sleeve 2 in the invention, an arc-shaped rack 4 is arranged on the side wall of the regular polygonal groove 3 of the spline connecting sleeve 2; the arc-shaped rack 4 is meshed with the first arc-shaped tooth 412 on the extrusion column 41; a first cylindrical surface 411 is arranged on one side of the extrusion column 41, and a first arc-shaped tooth 412 is arranged on the other side of the extrusion column 41; the first cylindrical surface 411 is in contact with the circular arc-shaped teeth 11 of the spline connecting shaft 1; during operation, after the spline connecting shaft 1 is inserted into the spline connecting sleeve 2, the extrusion column 41 is inserted between two adjacent arc-shaped teeth 11 of the spline connecting shaft 1, the spline connecting shaft 1 is fixed, the spline connecting sleeve 2 is rotated forcibly, the arc-shaped rack 4 slides relative to the arc-shaped teeth on the extrusion column 41, and when the arc-shaped rack 4 is completely meshed with the first arc-shaped teeth 412 on the extrusion column 41 and does not slide relative to the first arc-shaped teeth, the spline connecting shaft 1 and the spline connecting sleeve 2 are fastened and locked.
As a third embodiment of the spline connecting sleeve 2 in the invention, a cylindrical groove 5 is arranged on the end surface of the big end of the spline connecting sleeve 2; a group of rectangular grooves 51 are arranged on the inner wall of the cylindrical groove 5; the bottom of the rectangular groove 51 is connected with one end of a group of springs; the other end of the spring is in contact with the cylindrical surface of the round rod 52; the notch of the cylindrical groove 5 is provided with a blocking support 53; the blocking support 53 is arc-shaped, the blocking support 53 can slide in the sliding groove 54 of the spline connecting sleeve 2, and one end of the blocking support 53 is provided with a rotating handle; an inclined plane is arranged on the cylindrical surface of the cylindrical groove 5 of the spline connecting sleeve 2; the inclined plane is arranged between two adjacent rectangular grooves 51, and a group of circular arc grooves are formed in the inclined plane; during operation, after the spline connecting shaft 1 is inserted into the spline connecting sleeve 2, the rotating handle of the blocking support 53 is pulled, the blocking support 53 rotates, the opening of the rectangular groove 51 of the spline connecting sleeve 2 is opened, the round bar 52 is popped out of the rectangular groove 51 by the elastic force of the spring, the round bar 52 enters between two adjacent circular arc teeth 11 of the spline connecting shaft 1, the spline connecting shaft 1 is fixed, the spline connecting sleeve 2 is rotated forcibly, the circular arc teeth 11 slide along the inclined plane on the cylindrical groove 5, when the circular arc teeth 11 extrude the nearest circular arc groove on the inclined plane, the circular arc teeth 11 do not slide relative to the inclined plane, and meanwhile, the spline connecting shaft 1 and the spline connecting sleeve 2 are fastened and locked.
As an embodiment of the invention, a threaded hole is arranged on the end face of the small end of the spline connecting shaft 1, and a locking nut 6 is connected in the threaded hole through threads; the end face of the small end of the spline connecting sleeve 2 is provided with a threaded hole, and a locking nut 6 is connected in the threaded hole through threads; the locking nuts 6 are symmetrically arranged, a step hole 61 is formed in the center of each locking nut 6, and a reverse pawl 62 is arranged in each step hole 61; one end of the reverse pawl 62 is rotatably connected in the stepped hole 61 through a rotating shaft 63, and the middle part of the reverse pawl 62 is connected with the inner wall of the stepped hole 61 through a spring; during operation, after the reinforcing bar screwed into the threaded hole of the spline connecting shaft 1, the locking nut 6 is rotated, the locking nut 6 drives the reverse pawl 62 to move, and the other end of the reverse pawl 62 abuts against the thread at the end of the reinforcing bar, so that the reinforcing bar and the spline connecting shaft 1 are loosened.
As an embodiment of the present invention, a rectangular column 64 is disposed at the bottom of the stepped hole 61 of the lock nut 6; a first cylindrical hole 641 is formed in the middle of the rectangular column 64; a second cylindrical hole 642 is formed in the cylindrical surface of the locking nut 6; one end of the second cylindrical hole 642 is communicated with the first cylindrical hole 641, and the other end of the second cylindrical hole 642 is connected with an oil nozzle through threads; the rectangular column 64 is provided with a V-shaped groove 643 near one side of the reverse pawl 62; one side of the reverse pawl 62 close to the rectangular column 64 is attached to the surface of the rectangular column 64, and the surface of the reverse pawl 62 attached to one side of the rectangular column 64 is provided with an elastic V-shaped bulge 65; during operation, after the reinforcing bar screwed in the threaded hole of spline connecting axle 1, reverse pawl 62 was by the screw thread jack-up of reinforcing bar, and reverse pawl 62 drives the protruding 65 swing of elasticity V-arrangement, and the protruding 65V-arrangement that leaves V-arrangement groove 643 of elasticity V-arrangement, the lubricating oil in cylinder hole 641 and No. two cylinder holes 642 lubricated the reinforcing bar screw thread, made things convenient for in reinforcing bar screw in spline connecting axle 1, lubricating oil carries out rust-resistant treatment to inside of spline connecting sleeve 2 simultaneously.
When the spline connecting sleeve works, the spline connecting shaft 1 is connected with one end of one reinforcing steel bar through a central threaded hole, the spline connecting sleeve 2 is connected with one end of the other reinforcing steel bar through the central threaded hole, and then the spline connecting shaft 1 is inserted into the spline connecting sleeve 2; first embodiment of the spline connection sleeve 2: fixing the spline connecting shaft 1, forcibly rotating the spline connecting sleeve 2, enabling the arc-shaped teeth 11 to slide along the side wall of the regular polygonal groove 3, finally extruding the side wall of the regular polygonal groove 3 by the arc-shaped teeth 11, and when the arc-shaped teeth 11 extrude the nearest arc-shaped groove on the side wall of the regular polygonal groove 3, enabling the arc-shaped teeth 11 and the side wall of the regular polygonal groove 3 not to slide relatively, meanwhile, realizing the fastening and locking of the spline connecting shaft 1 and the spline connecting sleeve 2, and further realizing the fastening and connection of two reinforcing steel bars; second embodiment of the spline connection sleeve 2: after the spline connecting shaft 1 is inserted into the spline connecting sleeve 2, the extrusion column 41 is inserted between two adjacent arc-shaped teeth 11 of the spline connecting shaft 1, the spline connecting shaft 1 is fixed, the spline connecting sleeve 2 is rotated forcibly, the arc-shaped rack 4 slides relative to the arc-shaped teeth on the extrusion column 41, and when the arc-shaped rack 4 is completely meshed with the arc-shaped teeth on the extrusion column 41 and does not slide relative to the arc-shaped teeth, the spline connecting shaft 1 and the spline connecting sleeve 2 are fastened and locked; third embodiment of the spline connection sleeve 2: after the spline connecting shaft 1 is inserted into the spline connecting sleeve 2, a rotating handle of a blocking support 53 is pulled, the blocking support 53 rotates, a rectangular groove 51 opening of the spline connecting sleeve 2 is opened, a round bar 52 is popped out of the rectangular groove 51 by the elasticity of a spring, the round bar 52 enters between two adjacent circular arc teeth 11 of the spline connecting shaft 1, the spline connecting shaft 1 is fixed, the spline connecting sleeve 2 is rotated forcibly, the circular arc teeth 11 slide along an inclined plane on a cylindrical groove 5, when the circular arc teeth 11 extrude the nearest circular arc groove on the inclined plane, the circular arc teeth 11 do not slide relative to the inclined plane, and the spline connecting shaft 1 and the spline connecting sleeve 2 are fastened and locked; after the steel bar is screwed into the threaded hole of the spline connecting shaft 1, the reverse pawl 62 is jacked up by the thread of the steel bar, the reverse pawl 62 drives the elastic V-shaped protrusion 65 to swing, the elastic V-shaped protrusion 65 leaves the V-shaped groove 643, lubricating oil in the first cylindrical hole 641 and the second cylindrical hole 642 lubricates the thread of the steel bar, the steel bar is conveniently screwed into the spline connecting shaft 1, and meanwhile, the lubricating oil performs rust prevention treatment on the inside of the spline connecting sleeve 2; after the reinforcing bar is screwed into the threaded hole of the spline connecting shaft 1, the locking nut 6 is rotated, the locking nut 6 drives the reverse pawl 62 to move, and the other end of the reverse pawl 62 abuts against the thread at the end of the reinforcing bar, so that the reinforcing bar and the spline connecting shaft 1 are loosened.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a reinforcing bar connecting sleeve for building which characterized in that: the steel bar connecting structure comprises a spline connecting shaft (1) and a spline connecting sleeve (2), wherein a threaded hole is formed in the center of the spline connecting shaft (1) and is used for connecting one end of a steel bar; the spline connecting shaft (1) is a step shaft, and a group of circular arc teeth (11) are arranged on the cylindrical surface of the large end of the step shaft; a threaded hole is formed in the center of the spline connecting sleeve (2), and the threaded hole is used for being connected with one end of another steel bar; the spline connecting sleeve (2) is a step shaft, and the end face of the large end of the step shaft is provided with a regular polygonal groove (3);
a cylindrical groove (5) is arranged on the end face of the large end of the spline connecting sleeve (2); a group of rectangular grooves (51) are arranged on the inner wall of the cylindrical groove (5); the bottom of the rectangular groove (51) is connected with one end of a group of springs; the other end of the spring is contacted with the cylindrical surface of the round rod (52); a blocking support (53) is arranged at the notch of the cylindrical groove (5); the blocking support (53) is arc-shaped, the blocking support (53) can slide in a sliding groove (54) of the spline connecting sleeve (2), and one end of the blocking support (53) is provided with a rotating handle; an inclined plane is arranged on the cylindrical surface of the cylindrical groove (5) of the spline connecting sleeve (2); the inclined plane is arranged between two adjacent rectangular grooves (51), and a group of circular arc-shaped grooves are formed in the inclined plane.
2. The reinforcing bar connecting sleeve for building as claimed in claim 1, wherein: the end face of the small end of the spline connecting shaft (1) is provided with a threaded hole, and a locking nut (6) is connected in the threaded hole through threads; the end face of the small end of the spline connecting sleeve (2) is provided with a threaded hole, and a locking nut (6) is connected in the threaded hole through threads; the locking nuts (6) are symmetrically arranged, a step hole (61) is formed in the center of each locking nut (6), and a reverse pawl (62) is arranged in each step hole (61); one end of the reverse pawl (62) is rotatably connected in the stepped hole (61) through a rotating shaft (63), and the middle part of the reverse pawl (62) is connected with the inner wall of the stepped hole (61) through a spring.
3. The reinforcing bar connecting sleeve for building as claimed in claim 2, wherein: a rectangular column (64) is arranged at the bottom of the stepped hole (61) of the locking nut (6); a first cylindrical hole (641) is formed in the middle of the rectangular column (64); a second cylindrical hole (642) is formed in the cylindrical surface of the locking nut (6); one end of the second cylindrical hole (642) is communicated with the first cylindrical hole (641), and the other end of the second cylindrical hole (642) is connected with an oil nozzle through threads; a V-shaped groove (643) is formed in one side, close to the reverse pawl (62), of the rectangular column (64); one side of the reverse pawl (62) close to the rectangular column (64) is attached to the surface of the rectangular column (64), and an elastic V-shaped protrusion (65) is arranged on the surface of one side of the reverse pawl (62) attached to the rectangular column (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810633583.XA CN108756072B (en) | 2018-06-20 | 2018-06-20 | Reinforcing bar connecting sleeve for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810633583.XA CN108756072B (en) | 2018-06-20 | 2018-06-20 | Reinforcing bar connecting sleeve for building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108756072A CN108756072A (en) | 2018-11-06 |
| CN108756072B true CN108756072B (en) | 2020-10-09 |
Family
ID=63979198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810633583.XA Active CN108756072B (en) | 2018-06-20 | 2018-06-20 | Reinforcing bar connecting sleeve for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108756072B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227611A (en) * | 2020-09-30 | 2021-01-15 | 邓允云 | Reinforcing bar connecting sleeve for building |
| CN113152259B (en) * | 2021-05-10 | 2022-08-26 | 王建林 | Steel bar connecting assembly for highway bridge construction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020081966A (en) * | 2001-04-21 | 2002-10-30 | 주식회사 하이스트 | A reinforcing rod coupler structure and coupling device |
| CN202248544U (en) * | 2011-08-30 | 2012-05-30 | 张吉华 | Assembled building reinforced concrete member structural steel bar connecting sleeve |
| CN102733653A (en) * | 2012-06-07 | 2012-10-17 | 埃克森塞弗(苏州)电梯部件科技有限公司 | Single face connection-type locking mechanism |
| CN202611109U (en) * | 2012-04-28 | 2012-12-19 | 江苏天舜金属材料集团有限公司 | Steel strand connector |
| CN202969731U (en) * | 2012-12-27 | 2013-06-05 | 齐齐哈尔工程学院 | Specially-shaped sleeve for connection of steel bar |
-
2018
- 2018-06-20 CN CN201810633583.XA patent/CN108756072B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020081966A (en) * | 2001-04-21 | 2002-10-30 | 주식회사 하이스트 | A reinforcing rod coupler structure and coupling device |
| CN202248544U (en) * | 2011-08-30 | 2012-05-30 | 张吉华 | Assembled building reinforced concrete member structural steel bar connecting sleeve |
| CN202611109U (en) * | 2012-04-28 | 2012-12-19 | 江苏天舜金属材料集团有限公司 | Steel strand connector |
| CN102733653A (en) * | 2012-06-07 | 2012-10-17 | 埃克森塞弗(苏州)电梯部件科技有限公司 | Single face connection-type locking mechanism |
| CN202969731U (en) * | 2012-12-27 | 2013-06-05 | 齐齐哈尔工程学院 | Specially-shaped sleeve for connection of steel bar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108756072A (en) | 2018-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108756072B (en) | Reinforcing bar connecting sleeve for building | |
| CN108756073B (en) | Angle-adjustable steel bar quick connecting sleeve | |
| CN110344411B (en) | Underground supporting and anchoring equipment for building construction | |
| CN108412527B (en) | A kind of constructing tunnel reinforcing anchor pole | |
| CN108756071B (en) | Straight thread sleeve for building | |
| CN108756070B (en) | Method for improving building efficiency | |
| CN210713833U (en) | Combined type clip-shaped water stop split screw for reinforcing cement formwork | |
| CN112962629A (en) | Rock-soil slope prevention and control landslide device for building construction and construction method thereof | |
| CN108756074B (en) | Method for improving connection strength of building steel bar framework | |
| CN212104657U (en) | Seamless splicing and connecting assembly for prefabricated wall | |
| CN113217062A (en) | Prestressed anchor rod with telescopic arm and use method | |
| CN108756069B (en) | Method for improving connection efficiency of building steel reinforcement framework | |
| CN108730285B (en) | Herringbone steel bar quick connecting sleeve | |
| CN214362660U (en) | Road and bridge crack reinforcing structure | |
| CN113266629B (en) | Method for installing anchor bolts on building wall and anchored in double directions | |
| CN211423199U (en) | Mechanical connection axle is with subassembly convenient to fix | |
| CN211396290U (en) | Steel bar connecting device for house building construction | |
| CN212053472U (en) | Connecting sleeve and mounting tool for stainless steel reinforcing steel bar | |
| CN213740593U (en) | Low-retraction anchorage device applied to vertical tensioning of bridge | |
| CN218509921U (en) | Delayed fracture resistant alloy bolt | |
| CN211574419U (en) | Pipeline laying fixing device that hydraulic engineering used | |
| CN108748652B (en) | Concrete prefabricated member manufacturing process | |
| CN207819586U (en) | A kind of damping ring is connected and fixed structure | |
| CN112518991B (en) | Anti-splashing grouting device for tunnel construction | |
| CN211114442U (en) | Double-helix thread grouting sleeve and assembly for connecting prefabricated part steel bars |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200908 Address after: No.1 Wangxi Road, yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province (Fortune Building) b2012 Applicant after: Suzhou Leying Technology Consulting Co.,Ltd. Address before: 310018 Hangzhou University of Electronic Science and Technology, No. 1158, No. 2 Main Street, Baiyang Street, Jingkai District, Hangzhou City, Zhejiang Province Applicant before: Xiao Chengmei |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221108 Address after: 271000 hi tech Development Zone, Shandong, Tai'an Patentee after: SHANDONG LUDA TESTING APPARATUS CO.,LTD. Address before: 215600 No. 1, Wangxi Road, yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province (Fortune Building) b2012 Patentee before: Suzhou Leying Technology Consulting Co.,Ltd. |
|
| TR01 | Transfer of patent right |