CN221118957U - Fine tuning type steel bar connection straight thread mechanical sleeve - Google Patents
Fine tuning type steel bar connection straight thread mechanical sleeve Download PDFInfo
- Publication number
- CN221118957U CN221118957U CN202322776705.XU CN202322776705U CN221118957U CN 221118957 U CN221118957 U CN 221118957U CN 202322776705 U CN202322776705 U CN 202322776705U CN 221118957 U CN221118957 U CN 221118957U
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- China
- Prior art keywords
- sleeve
- steel bar
- outer sleeve
- bar
- fine
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 54
- 239000010959 steel Substances 0.000 title claims abstract description 54
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 15
- 210000001503 joint Anatomy 0.000 abstract description 8
- 238000001125 extrusion Methods 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229940104796 equistrength Drugs 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003701 mechanical milling Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Landscapes
- Reinforcement Elements For Buildings (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a fine-tuning type steel bar connecting straight thread mechanical sleeve, which comprises an upper sleeve and a lower sleeve, wherein the upper sleeve and the lower sleeve are connected with an outer sleeve in a detachable mode, a locking nut is arranged along the outer side of the upper sleeve, the upper sleeve and the lower sleeve are connected with an upper steel bar and a lower steel bar, the lower sleeve is in movable fit with the outer sleeve, the outer sleeve is in threaded connection with the upper sleeve, one side of the outer sleeve extends downwards to form a gap with the lower steel bar, the pitch of an inner connecting thread at the connecting end of the outer sleeve and the upper sleeve is different from that of an inner connecting thread of the upper sleeve, the lower sleeve is a common screw sleeve or a weldable screw sleeve, an adjustable gap is reserved through the outer sleeve, the construction difficulty is reduced, and the positioning accuracy is high through screwing and positioning of the upper sleeve. Under the use state, the utility model ensures simpler operation and solves the problem of connection in the deflection range of the reinforcement-out butt joint construction of the prefabricated part.
Description
Technical Field
The utility model belongs to the technical field of buildings, and particularly relates to a fine-tuning type steel bar connection straight thread mechanical sleeve.
Background
In the construction of rebar junctions, adjacent stressed rebar is typically joined by mechanical joining methods. There are many types of socket joints in the current engineering application, and the forms are various, but the types of the socket joints can be generally divided into two types of straight thread connection joints and extrusion connection joints.
The first extrusion type connecting joint adopts a mechanical extrusion mode to connect reinforcing steel bars, and the extrusion type connecting joint is simpler and more convenient in the manufacture of a sleeve, but has the following defects: the depth of the reinforcing steel bars at the two ends inserted into the sleeve is difficult to control; in the process of adjusting the central axis of the sleeve, construction difficulty is increased due to dislocation of the steel bars, and practical operation is complex.
The second type of straight thread joint connects the reinforcing bar generally by adopting the straight thread mode, because the screw thread length of straight thread joint end is fixed, so the degree of depth that the reinforcing bar inserted into the telescopic is fixed, because the accuracy and the fixity of threaded connection, the problem that extrusion type connecting sleeve is difficult to control the degree of depth that the reinforcing bar inserted into the telescopic, adjust two axis has effectively been solved, but because the existence of straight thread joint screw thread, its processing mode needs to adopt the mechanical milling mode to draw out the steel bar, and the course of working is complicated.
The prior art discloses a mechanical sleeve joint suitable for 600MPa level high-strength reinforcement, and mechanical sleeve joint that provides can be suitable for 600MPa level high-strength reinforcement and connect, through telescopic adjustable, can make on same central line but can not pivoted two reinforcements realize equistrength connection, and can effectively reduce the residual deformation of joint after locking through the lock female. The mechanical sleeve joint can be used for connecting 600 MPa-level high-strength steel bars at joints of an assembled concrete structure in the horizontal direction or the vertical direction, so that the construction quality can be ensured, the reinforcement quantity can be greatly reduced, and the joint structure is effectively simplified.
The prior art discloses an adjustable steel bar connecting sleeve, which comprises two mechanical sleeves used for being connected with steel bars to be connected and a connecting steel bar for connecting the two mechanical sleeves, wherein the overall tensile bearing capacity of the adjustable steel bar connecting sleeve is greater than 1.2 times of the tensile bearing capacity of the steel bars to be connected; the tensile bearing capacity of the mechanical sleeve is 1.2 times greater than that of the steel bars to be connected, and the compressive bearing capacity of the mechanical sleeve is 1.2 times greater than that of the steel bars to be connected; the tensile bearing capacity of the connecting steel bar is 1.2 times greater than that of the steel bars to be connected, the compressive bearing capacity of the connecting steel bar is 1.2 times greater than that of the steel bars to be connected, and the shearing bearing capacity of the connecting steel bar is 1.2 times greater than that of the steel bars to be connected. The arrangement of the connecting steel bars makes the steel bars unnecessary to be screwed in the steel bar connecting process.
In the prior art disclosed by the above, the sleeve does not have a space for adjusting the gap in the use state, so that the field construction difficulty is increased for the condition of larger dislocation of the steel bars. And to the less condition of reinforcing bar dislocation, unable convenient direct mount.
In view of the above factors, the fine-tuning type steel bar connection straight thread mechanical sleeve is particularly designed, so that construction deviation is more easily met, operation is simpler, and connection in the range of the prefabricated part out-of-bar butt joint construction deviation is solved.
Disclosure of utility model
The utility model aims to provide a fine-tuning type steel bar connecting straight thread mechanical sleeve, which solves the problems in the background technology.
The utility model aims at realizing the following technical scheme: the fine-tuning type steel bar connecting straight thread mechanical sleeve comprises an upper sleeve and a lower sleeve, wherein the upper sleeve and the lower sleeve are detachably connected with an outer sleeve, a locking nut is arranged along the outer side of the upper sleeve, and the upper sleeve and the lower sleeve are connected with an upper steel bar and a lower steel bar;
The lower sleeve is movably matched with the outer sleeve, the outer sleeve is in threaded connection with the upper sleeve, the outer sleeve extends to one side of the lower steel bar, and a gap is reserved between the outer sleeve and the lower steel bar.
Further, the pitch of the connecting screw thread in the connecting end of the outer sleeve and the upper sleeve is different from that in the connecting screw thread in the upper sleeve, and the upper sleeve and the lower sleeve are connected with the upper steel bar and the lower steel bar through the connecting screw thread.
Further, the matching length of the outer sleeve and the upper sleeve is greater than one half of the length of the upper thread of the upper sleeve.
Further, a gap distance of 3-5mm is reserved between the outer sleeve and the lower reinforcing steel bar.
Further, a limit port is integrally arranged at the matching end of the lower sleeve in the outer sleeve, and the diameter of the limit port is smaller than that of the lower steel bar.
Further, one end of the lower sleeve, which is far away from the limiting port, is matched with the contact edge in the outer sleeve.
Further, the connecting thread between the outer sleeve and the upper sleeve is single-wire or multi-wire.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the outer sleeve extends to one side of the lower steel bar, a gap is reserved between the outer sleeve and the lower steel bar, an adjustable gap is reserved through the outer sleeve, the construction difficulty is reduced, and the positioning accuracy is high through tightening and positioning of the upper sleeve.
Under the use state, the utility model can more easily meet construction deviation, ensure simpler operation and solve the connection of the prefabricated parts within the construction deviation range of the rib-out butt joint.
Drawings
FIG. 1 is a schematic overall view of the present utility model;
FIG. 2 is a schematic view of a first construction of the prior art;
fig. 3 is a schematic diagram of a second construction of the prior art.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1-3, a fine tuning type steel bar connecting straight thread mechanical sleeve comprises an upper sleeve 2 and a lower sleeve 3, wherein the upper sleeve 2 and the lower sleeve 3 are detachably connected with an outer sleeve 4, a lock nut 1 is arranged along the outer side of the upper sleeve 2, and the upper sleeve 2 and the lower sleeve 3 are connected with an upper steel bar 6 and a lower steel bar 5;
The lower sleeve 3 is movably matched with the outer sleeve 4, the outer sleeve 4 is in threaded connection with the upper sleeve 2, the outer sleeve 4 extends to one side of the lower reinforcing steel bar 5, and a gap is reserved between the outer sleeve 4 and the lower reinforcing steel bar 5.
The connecting thread between the outer sleeve 4 and the upper sleeve 2 is single-wire or multi-wire thread.
A gap is reserved between the outer sleeve 4 and the lower steel bar 5, and the steel bar can be conveniently and directly installed under the condition of small dislocation.
The screw thread of the straight thread connecting joint is convenient to quickly butt-joint and use under the use state, the screw pitch of the connecting screw thread in the connecting end of the outer sleeve 4 and the upper sleeve 2 is different from the screw pitch of the connecting screw thread in the upper sleeve 2, and the upper sleeve 2 and the lower sleeve 3 are connected with the upper steel bar 6 and the lower steel bar 5 through the connecting screw thread.
In order to be convenient for in the state of use, can fasten the locking reinforcing bar, guarantee its fastness, outer sleeve 4 with go up sleeve 2 cooperation length is greater than last thread length's of sleeve 2 half.
The gap distance between the outer sleeve 4 and the lower steel bar 5 is 3-5mm.
In order to be convenient for can realize the space in adjustment clearance under the user state, to the great condition of reinforcing bar dislocation, reduce the work construction degree of difficulty, lower sleeve 3 is located the cooperation end an organic whole in the outer sleeve 4 is provided with spacing port, and the diameter of spacing port is less than the diameter of lower reinforcing bar 5.
In order to facilitate the installation and fixation of the lower sleeve 3 in the use state, the end of the lower sleeve 3, which is far away from the limiting port, is matched with the contact edge in the outer sleeve 4.
The outer sleeve is provided with a space for adjusting the gap, so that the construction difficulty of the site is reduced under the condition of larger dislocation of the steel bars. To the less condition of reinforcing bar dislocation, the direct mount that can be convenient is convenient for push up tight accurate location through the lock nut that the outside of going up the sleeve was provided with.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a straight screw thread mechanical sleeve is connected to fine setting formula reinforcing bar, includes sleeve (2) and lower sleeve (3), its characterized in that: the upper sleeve (2) and the lower sleeve (3) are detachably connected with the outer sleeve (4), a lock nut (1) is arranged along the outer side of the upper sleeve (2), and the upper sleeve (2) and the lower sleeve (3) are connected with an upper steel bar (6) and a lower steel bar (5);
The lower sleeve (3) is movably matched with the outer sleeve (4), the outer sleeve (4) is in threaded connection with the upper sleeve (2), the outer sleeve (4) extends to one side of the lower reinforcing steel bar (5), and a gap is reserved between the outer sleeve and the lower reinforcing steel bar (5).
2. The fine-tuning bar-connecting straight threaded mechanical sleeve of claim 1, wherein: the pitch of the internal connecting threads at the connecting end of the outer sleeve (4) and the upper sleeve (2) is different from that of the internal connecting threads at the upper sleeve (2);
The upper sleeve (2) and the lower sleeve (3) are connected with the upper steel bar (6) and the lower steel bar (5) through connecting threads.
3. The fine-tuning bar-connecting straight threaded mechanical sleeve of claim 2, wherein: the matching length of the outer sleeve (4) and the upper sleeve (2) is greater than one half of the upper thread length of the upper sleeve (2).
4. A fine-tuning bar-connecting straight threaded mechanical sleeve as set forth in claim 3, wherein: the gap distance between the outer sleeve (4) and the lower steel bar (5) is 3-5mm.
5. The fine tuning bar-connecting straight threaded mechanical sleeve of claim 4, wherein: the lower sleeve (3) is located at the matched end in the outer sleeve (4), and a limiting port is integrally formed in the matched end, and the diameter of the limiting port is smaller than that of the lower steel bar (5).
6. The fine tuning bar-connecting straight threaded mechanical sleeve of claim 5, wherein: one end of the lower sleeve (3) far away from the limiting port is matched with the contact edge in the outer sleeve (4).
7. The fine-tuning bar-connecting straight threaded mechanical sleeve of claim 6, wherein: the connecting thread between the outer sleeve (4) and the upper sleeve (2) is single-thread or multi-thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322776705.XU CN221118957U (en) | 2023-10-17 | 2023-10-17 | Fine tuning type steel bar connection straight thread mechanical sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322776705.XU CN221118957U (en) | 2023-10-17 | 2023-10-17 | Fine tuning type steel bar connection straight thread mechanical sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221118957U true CN221118957U (en) | 2024-06-11 |
Family
ID=91365023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322776705.XU Active CN221118957U (en) | 2023-10-17 | 2023-10-17 | Fine tuning type steel bar connection straight thread mechanical sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221118957U (en) |
-
2023
- 2023-10-17 CN CN202322776705.XU patent/CN221118957U/en active Active
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