CN219931421U - Improved adjustable sleeve assembly - Google Patents
Improved adjustable sleeve assembly Download PDFInfo
- Publication number
- CN219931421U CN219931421U CN202321684800.0U CN202321684800U CN219931421U CN 219931421 U CN219931421 U CN 219931421U CN 202321684800 U CN202321684800 U CN 202321684800U CN 219931421 U CN219931421 U CN 219931421U
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- Prior art keywords
- inner sleeve
- connecting inner
- sleeve
- screw rod
- fastening
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- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 230000002787 reinforcement Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 8
- 230000003014 reinforcing effect Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model provides an improved adjustable sleeve assembly, which comprises a first connecting inner sleeve, a second connecting inner sleeve, a centering jackscrew and a fastening outer sleeve; the upper end of the first connecting inner sleeve is in a circular truncated cone-shaped structure, the lower end of the first connecting inner sleeve is in a cylindrical structure, the shape of the upper end of the inner cavity of the fastening outer sleeve is matched with that of the circular truncated cone-shaped structure of the first connecting inner sleeve, the lower end of the inner hole of the fastening outer sleeve is provided with a fastening connecting inner thread, the centering jackscrew comprises a screw rod and a conical head which are integrally structured, the screw rod is screwed in the first connecting inner sleeve or the second connecting inner sleeve through threads, the conical head faces the second connecting inner sleeve or the first connecting inner sleeve correspondingly, and the shape of the upper end of the inner hole of the second connecting inner sleeve or the lower end of the inner hole of the first connecting inner sleeve is matched with that of the conical head; the outer part of the second connecting inner sleeve is provided with a fastening connection external thread which is matched with the fastening connection internal thread. The utility model effectively solves the problem of poor coaxiality of the upper and lower reinforcing steel bars in the construction of the reinforcing steel bar module.
Description
Technical Field
The utility model belongs to the technical field of construction steel bar connection, and particularly relates to an improved adjustable sleeve assembly.
Background
In the field of nuclear power construction, modular installation of reinforcing bars has become mainstream. In the manufacturing and hoisting processes of the steel bar modules, the positions of the steel bars often deviate, so that the coaxiality of the upper and lower steel bars of the two steel bar modules deviates to a certain extent. The current mainstream adjustable sleeve has higher coaxiality requirements on the upper and lower reinforcing steel bars, so that a plurality of inconveniences exist in the installation process of the reinforcing steel bar module. Aiming at the defect that the existing adjustable sleeve lacks a centering function, the utility model designs an improved adjustable sleeve assembly, which can effectively solve the problem of poor coaxiality of upper and lower reinforcing steel bars in the construction of a reinforcing steel bar module to a certain extent, so as to realize industrialization, part production and modularized construction of the reinforcing steel bars.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an improved adjustable sleeve assembly aiming at the defects of the prior art.
In order to solve the technical problems, the utility model comprises the following steps:
an improved adjustable sleeve assembly comprises a first connecting inner sleeve, a second connecting inner sleeve, a centering jackscrew and a fastening outer sleeve, wherein the first connecting inner sleeve is connected to an upper steel bar screw head through threads; the upper end of the first connecting inner sleeve is in a circular truncated cone-shaped structure, the lower end of the first connecting inner sleeve is in a cylindrical structure, the upper end of the inner cavity of the fastening outer sleeve is matched with the circular truncated cone-shaped structure of the first connecting inner sleeve, the lower end of the inner hole of the fastening outer sleeve is provided with fastening connecting inner threads, the centering jackscrew comprises a screw rod and a conical head which are integrally structured, the screw rod is screwed in the first connecting inner sleeve or the second connecting inner sleeve through threads, the conical head faces the second connecting inner sleeve or the first connecting inner sleeve correspondingly, and the upper end of the inner hole of the second connecting inner sleeve or the lower end of the inner hole of the first connecting inner sleeve is matched with the shape of the conical head; and the outer part of the second connecting inner sleeve is provided with a fastening connecting external thread which is matched with the fastening connecting internal thread.
Further, the screw rod is of an lengthened structure, is screwed at the upper end of the second connecting inner sleeve and can rotate outwards of the inner sleeve to screw the cone head into the first connecting inner sleeve.
Further, a first lock nut is arranged on the screw rod.
Further, the assembly also includes a third lock nut for placement on the root of the lower rebar head.
Further, the screw rod is of an lengthened structure, is screwed at the lower end of the first connecting inner sleeve and can rotate outwards of the inner sleeve to screw the cone head into the second connecting inner sleeve.
Further, the assembly further includes a second locking nut disposed on a lower end of the second coupling inner sleeve.
Further, a spanner groove is arranged between the conical head of the centering jackscrew and the screw rod.
Further, a wrench groove is formed in the outer surface of the lower end cylinder of the first connecting inner sleeve.
Further, a regular polygon spanner step is integrally arranged at the bottom of the second connecting inner sleeve.
Further, the screw rod is fixedly screwed at the upper end of the second connecting inner sleeve; the assembly further comprises a third connecting inner sleeve which is connected to the lower reinforcing steel bar wire head through threads before the second connecting inner sleeve is installed, wherein the second connecting inner sleeve is screwed on the third connecting inner sleeve through threads and can rotate upwards to screw the cone head into the first connecting inner sleeve.
The beneficial effects of the utility model are as follows:
the utility model can facilitate the industrialization, the partization and the modularized construction of the steel bars, firstly, the assembly of the whole steel bar module is finished in a steel bar processing factory, then, a large number of steel bars in the whole steel bar module are effectively connected at the same time in a construction site, and for the upper and lower steel bars with poor coaxiality, the upper and lower steel bars are conveniently centered and then connected by using the conical head guidance of the centering jackscrew, so that the civil engineering construction period is shortened.
Drawings
FIG. 1 is a schematic view of a first embodiment of the present utility model;
FIG. 2 is a cross-sectional view of the fastening garment of the present utility model;
FIG. 3 is a cross-sectional view of the first coupling sleeve of the present utility model;
FIG. 4 is a schematic view of an assembly process of a first embodiment of the present utility model;
FIG. 5 is a schematic view of the structure of a second embodiment of the present utility model;
FIG. 6 is a schematic view of an assembly process of a second embodiment of the present utility model;
FIG. 7 is a schematic view of the structure of a third embodiment of the present utility model;
FIG. 8 is a schematic view of an assembly process of a third embodiment of the present utility model;
in the figure: 1. the fastening outer sleeve, 2, the first connecting inner sleeve, 3, the centering jackscrew, 4, the second connecting inner sleeve, 5, the third locking nut, 6, the second locking nut, 7, the first locking nut, 8 and the third connecting inner sleeve.
Detailed Description
The utility model will be described in further detail below with reference to the drawings and the detailed description. It will be apparent to those skilled in the art that the examples are merely to aid in understanding the utility model and are not to be construed as a specific limitation thereof.
Example 1:
as shown in the drawings, the present utility model provides an improved type adjustable sleeve assembly, comprising a first connecting inner sleeve 2 for being connected to an upper reinforcing bar screw head through threads, a second connecting inner sleeve 4 for being connected to a lower reinforcing bar screw head through threads and having an elongated structure, a centering jackscrew 3 disposed between the first connecting inner sleeve 2 and the second connecting inner sleeve 4 for guiding the centering of upper and lower reinforcing bars, and a fastening outer sleeve 1 for being first sleeved to the upper reinforcing bars before the first connecting inner sleeve 2 is installed; the upper end of the first connecting inner sleeve 2 is in a circular truncated cone-shaped structure, the lower end of the first connecting inner sleeve 2 is in a cylindrical structure, the shape of the upper end of the inner cavity of the fastening outer sleeve 1 is matched with that of the circular truncated cone-shaped structure of the first connecting inner sleeve 2, the lower end of the inner hole of the fastening outer sleeve 1 is provided with fastening connecting inner threads, the centering jackscrew 3 comprises a screw rod and a conical head which are integrally structured, the screw rod is screwed in the first connecting inner sleeve 2 or the second connecting inner sleeve 4 through threads, the conical head faces the second connecting inner sleeve 4 or the first connecting inner sleeve 2 correspondingly, and the shape of the upper end of the inner hole of the second connecting inner sleeve 4 or the lower end of the inner hole of the first connecting inner sleeve 2 is matched with that of the conical head; the outer part of the second connecting inner sleeve 4 is provided with a fastening connection external thread which is matched with the fastening connection internal thread.
After the centering of the upper and lower steel bars is realized under the guidance of the centering jackscrew 3, the conical head of the centering jackscrew 3 is inserted into the second connecting inner sleeve 4 or the first connecting inner sleeve 2, and then the fastening outer sleeve 1 on the upper steel bar is moved downwards and connected with the second connecting inner sleeve 4, so that the effective connection of the upper and lower steel bars is realized.
Example 2:
as shown in fig. 1 to 4, comprises a first connecting inner sleeve 2, a second connecting inner sleeve 4, a centering wire 3 and a fastening outer sleeve 1. The screw rod of the centering jackscrew 3 is of an lengthened structure, is screwed on the upper end of the second connecting inner sleeve 4 and can rotate outwards of the inner sleeve so as to screw the cone head into the first connecting inner sleeve 2. A spanner groove is arranged between the conical head of the centering jackscrew 3 and the screw rod; the screw rod is provided with a first locking nut 7, the lower end of the second connecting inner sleeve 4 is connected with a second locking nut 6 through threads, and the root of the lower reinforcing steel bar wire head is provided with a third locking nut 5.
The installation mode is as follows:
firstly, sleeving the fastening outer sleeve 1 on an upper steel bar, and then screwing the first connecting inner sleeve 2 on the screw head of the upper steel bar; then the third locking nut 5 is screwed to the root of the wire head of the lower reinforcing steel bar, the second connecting inner sleeve 4 is screwed to the wire head of the lower reinforcing steel bar, the second locking nut 6 is screwed to the second connecting inner sleeve 4, the lengthened screw rod of the centering jackscrew 3 is screwed into the upper end of the second connecting inner sleeve 4, and the first locking nut 7 is screwed to the screw rod.
And (II) installing an upper part of reinforcing steel bar module and a lower part of reinforcing steel bar module, so that the distance between the first connecting inner sleeve 2 and the centering jackscrew 3 is in an adjustable range after the upper part of reinforcing steel bar module and the lower part of reinforcing steel bar module are close.
And thirdly, the centering jackscrew 3 is rotated upwards, so that the conical head of the centering jackscrew 3 and the upper reinforcing steel bar are propped against each other and enter the lower end of the first connecting inner sleeve 2, and then the first locking nut 7 is locked, so that the centering jackscrew 3 and the second connecting inner sleeve 4 are tightly connected.
And fourthly, the fastening outer sleeve 1 on the upper reinforcing steel bar is moved downwards and sleeved into the first connecting inner sleeve 2 and the first locking nut 7, then the fastening outer sleeve 1 is screwed on the second connecting inner sleeve 4, and finally the two are locked by using the second locking nut 6.
Example 3:
as shown in fig. 5 to 6, comprises a first connecting inner sleeve 2, a second connecting inner sleeve 4, a centering wire 3 and a fastening outer sleeve 1. The screw rod of the centering jackscrew 3 is of an lengthened structure, is screwed at the lower end of the first connecting inner sleeve 2 and can rotate outwards of the inner sleeve so as to screw the cone head into the second connecting inner sleeve 4. Wrench grooves are formed between the conical heads of the centering jackscrews 3 and the screw rods outside the lower end cylinder of the first connecting inner sleeve 2; the lower end of the second connecting inner sleeve 4 is connected with a second lock nut 6 through threads; the bottom of the second connecting inner sleeve 4 is integrally provided with a regular polygon spanner step.
The installation mode is as follows:
firstly, sleeving a fastening outer sleeve 1 on an upper steel bar, screwing a first connecting inner sleeve 2 on a wire head of the upper steel bar, and screwing an elongated screw rod of a centering jackscrew 3 into the lower end of the first connecting inner sleeve 2; the second coupling sleeve 4 is then screwed onto the head of the lower reinforcing bar and the second locking nut 6 is screwed onto the second coupling sleeve 4.
And (II) installing an upper part of reinforcing steel bar module and a lower part of reinforcing steel bar module, so that the distance between the second connecting inner sleeve 4 and the centering jackscrew 3 is in an adjustable range after the upper part of reinforcing steel bar module and the lower part of reinforcing steel bar module are close.
And (III) rotating the centering jackscrew 3 downwards to enable the conical head of the centering jackscrew 3 to be opposite to the lower reinforcing steel bar and then enter the upper end of the second connecting inner sleeve 4, then rotating the first connecting inner sleeve 2 downwards to enable the centering jackscrew 3 to completely enter the second connecting inner sleeve 4, and enabling the first connecting inner sleeve 2 to be in contact with the second connecting inner sleeve 4.
And fourthly, the fastening outer sleeve 1 on the upper reinforcing steel bar is moved downwards, sleeved into the first connecting inner sleeve 2 and then screwed onto the second connecting inner sleeve 4, and finally the fastening outer sleeve and the first connecting inner sleeve are locked by the second locking nut 6.
Example 4:
as shown in fig. 7 to 8, comprises a first connecting inner sleeve 2, a second connecting inner sleeve 4, a centering wire 3 and a fastening outer sleeve 1. The screw rod of the centering jackscrew 3 is fixedly screwed on the upper end of the second connecting inner sleeve 4; the assembly further comprises a third connecting inner sleeve 8 for being screwed onto the lower reinforcing steel bar screw head before the second connecting inner sleeve 4 is mounted, wherein the second connecting inner sleeve 4 is screwed onto the third connecting inner sleeve 8 through threads and can rotate upwards to screw the cone head into the first connecting inner sleeve 2.
The installation mode is as follows:
firstly, sleeving the fastening outer sleeve 1 on an upper steel bar, and then screwing the first connecting inner sleeve 2 on the screw head of the upper steel bar; the third connecting sleeve 8 is then screwed onto the head of the lower reinforcement bar, the second connecting sleeve 4 is screwed onto the third connecting sleeve 8, and the centering jackscrew 3 is screwed into the upper end of the second connecting sleeve 4.
And (II) installing an upper part of reinforcing steel bar module and a lower part of reinforcing steel bar module, so that the distance between the first connecting inner sleeve 2 and the centering jackscrew 3 is in an adjustable range after the upper part of reinforcing steel bar module and the lower part of reinforcing steel bar module are close.
And (III) rotating the second connecting inner sleeve 4 upwards to enable the conical head of the centering jackscrew 3 to be opposite to the upper steel bar and then enter the first connecting inner sleeve 2 until the conical head is dead against the upper steel bar.
And (IV) the fastening outer sleeve 1 is rotated downwards and is screwed and locked with the second connecting inner sleeve 4.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An improved generation adjustable sleeve subassembly, its characterized in that: the device comprises a first connecting inner sleeve (2) which is connected with an upper steel bar wire head through threads, a second connecting inner sleeve (4) which is connected with a lower steel bar wire head through threads and is of an lengthened structure, a centering jackscrew (3) which is arranged between the first connecting inner sleeve (2) and the second connecting inner sleeve (4) and is used for guiding and adjusting centering of upper and lower steel bars, and a fastening outer sleeve (1) which is used for being sleeved on the upper steel bars before the first connecting inner sleeve (2) is installed; the upper end of the first connecting inner sleeve (2) is of a circular truncated cone-shaped structure, the lower end of the first connecting inner sleeve is of a cylindrical structure, the shape of the upper end of the inner cavity of the fastening outer sleeve (1) is matched with that of the circular truncated cone-shaped structure of the first connecting inner sleeve (2), the lower end of the inner hole of the fastening outer sleeve (1) is provided with fastening connecting inner threads, the centering jackscrew (3) comprises a screw rod and a conical head which are integrally structured, the screw rod is screwed in the first connecting inner sleeve (2) or the second connecting inner sleeve (4) through threads, the conical head faces the second connecting inner sleeve (4) or the first connecting inner sleeve (2) correspondingly, and the shape of the upper end of the inner hole of the second connecting inner sleeve (4) or the lower end of the inner hole of the first connecting inner sleeve (2) is matched with the shape of the conical head; and the outer part of the second connecting inner sleeve (4) is provided with a fastening connection external thread which is matched with the fastening connection internal thread.
2. The improved adjustable sleeve assembly of claim 1 wherein: the screw rod is of an lengthened structure, is screwed at the upper end of the second connecting inner sleeve (4) and can rotate outwards of the inner sleeve to screw the cone head into the first connecting inner sleeve (2).
3. The improved adjustable sleeve assembly of claim 2 wherein: the screw rod is provided with a first lock nut (7).
4. The improved adjustable sleeve assembly of claim 2 wherein: the assembly further comprises a third locking nut (5) for being arranged on the root of the lower reinforcement head.
5. The improved adjustable sleeve assembly of claim 1 wherein: the screw rod is of an lengthened structure, is screwed at the lower end of the first connecting inner sleeve (2) and can rotate outwards of the inner sleeve to screw the cone head into the second connecting inner sleeve (4).
6. The improved adjustable sleeve assembly of claim 2 or 5 wherein: the assembly further comprises a second lock nut (6) arranged on the lower end of the second connecting inner sleeve (4).
7. The improved adjustable sleeve assembly of claim 2 or 5 wherein: a spanner groove is arranged between the conical head of the centering jackscrew (3) and the screw rod.
8. The improved adjustable sleeve assembly of claim 5 wherein: a wrench groove is formed in the outer surface of the lower end cylinder of the first connecting inner sleeve (2).
9. The improved adjustable sleeve assembly of claim 5 wherein: the bottom of the second connecting inner sleeve (4) is integrally provided with a regular polygon spanner step.
10. The improved adjustable sleeve assembly of claim 1 wherein: the screw rod is fixedly screwed at the upper end of the second connecting inner sleeve (4); the assembly further comprises a third connecting inner sleeve (8) which is connected to the lower reinforcing steel bar screw head through threads before the second connecting inner sleeve (4) is installed, wherein the second connecting inner sleeve (4) is screwed on the third connecting inner sleeve (8) through threads and can rotate upwards to screw the conical head into the first connecting inner sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321684800.0U CN219931421U (en) | 2023-06-30 | 2023-06-30 | Improved adjustable sleeve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321684800.0U CN219931421U (en) | 2023-06-30 | 2023-06-30 | Improved adjustable sleeve assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219931421U true CN219931421U (en) | 2023-10-31 |
Family
ID=88500707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321684800.0U Active CN219931421U (en) | 2023-06-30 | 2023-06-30 | Improved adjustable sleeve assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219931421U (en) |
-
2023
- 2023-06-30 CN CN202321684800.0U patent/CN219931421U/en active Active
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