CN210597888U - Self-locking type steel bar connection full grouting sleeve - Google Patents
Self-locking type steel bar connection full grouting sleeve Download PDFInfo
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- CN210597888U CN210597888U CN201920815655.2U CN201920815655U CN210597888U CN 210597888 U CN210597888 U CN 210597888U CN 201920815655 U CN201920815655 U CN 201920815655U CN 210597888 U CN210597888 U CN 210597888U
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- grouting sleeve
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- sleeve
- connecting piece
- grouting
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Abstract
The utility model provides a self-locking type steel bar connection full grouting sleeve, which comprises a first grouting sleeve and a second grouting sleeve, wherein the first grouting sleeve is provided with grouting holes, the second grouting sleeve is provided with grout outlet holes, the inner diameter of the second grouting sleeve is larger than the outer diameter of the first grouting sleeve, the first grouting sleeve is also provided with a plurality of limiting holes, each limiting hole is internally provided with a locking component, the first grouting sleeve passes through the locking component and is fixedly connected with the second grouting sleeve, the utility model adopts the structure that the mounting height of a locking block is higher than the outer diameter height of the first grouting sleeve, so that the locking block can be effectively mounted in the limiting hole arranged on the first grouting sleeve, and can well slide up and down along the side wall of the limiting hole in the limiting hole after being stressed, thereby ensuring that the mounted locking block can rapidly and accurately slide, the self-locking of the first grouting sleeve and the second grouting sleeve is realized.
Description
Technical Field
The utility model relates to a precast concrete component connects construction technical field, concretely relates to from full grout sleeve of locking-type steel bar connection.
Background
At present, reinforced concrete prefabricated structures are continuously popularized in large-scale building construction, wherein the prefabricated connection of concrete prefabricated components becomes the core technology of prefabricated houses, and the grouting connection of steel sleeve is the core technology of the connection of steel bar nodes between prefabricated concrete structural system components.
The steel bar sleeve grouting connection mode is characterized in that a ribbed steel bar is inserted into a grouting sleeve with a concave-convex surface in an inner cavity, a special high-strength cement-based grouting material is injected into a gap between the sleeve and the steel bar, the steel bar is anchored in the sleeve after the grouting material is solidified, a steel bar connection mode for a prefabricated component is realized, when the existing full grouting sleeve with an integrated structure is used, the full grouting sleeve is firstly installed on a longitudinal bar of an end beam, the sleeve is axially moved by 0.5 time of the length of the sleeve after the component is in place and is sleeved on a connecting steel bar of a component at the other end, so that an operation space of 1.5 times of the length of the sleeve is required, the installation difficulty of an installer is increased, the consumed time is longer, the on-site construction cost is increased, meanwhile, the sleeve is axially moved and sleeved on the steel bar of another component, whether the axis of the steel bar is eccentrically jointed with the axis of the sleeve or not can be accurately ensured, the force transfer performance of, thereby affecting the force-bearing performance of the member.
Disclosure of Invention
An object of the utility model is to overcome the not enough of above-mentioned technique, provide a quick auto-lock, convenient connection operation, and then reduce the engineering time, improve engineering quality's from locking-type steel bar connection full grout sleeve.
For realizing foretell technical purpose, the utility model provides a from locking-type steel bar connection full grout sleeve, including first grout sleeve and second grout sleeve, be equipped with the grout hole on the first grout sleeve, be equipped with out the grout hole on the second grout sleeve, first grout sleeve's one end is equipped with the connecting piece, the one end of connecting piece with first grout sleeve fixed connection, the other end of connecting piece then cup joint in the second grout sleeve spacing hole has still been seted up on the connecting piece, spacing downthehole locking Assembly that all installs second grout sleeve internal fixation be provided with locking Assembly matched with locking connecting piece, first grout sleeve passes through locking Assembly and locking connecting piece with second grout sleeve fixed connection.
Furthermore, the locking assembly comprises a locking block and an elastic connecting piece, one end of the elastic connecting piece is connected with the locking block, and the other end of the elastic connecting piece is fixed in the limiting hole.
Furthermore, the mounting height of the locking block is higher than the outer diameter of the connecting piece, and the locking block slides in the limiting hole along the vertical direction.
Further, the elastic connecting piece adopts a compression spring.
Further, the inner diameter of the second grouting sleeve is larger than the height of the outer diameter of the connecting piece by 5-10 mm.
Further, the locking connecting pieces comprise at least one locking connecting piece, and each locking connecting piece is uniformly distributed along the axial direction of the second grouting sleeve at equal intervals.
Furthermore, a positioning sheet for limiting the movement of the steel bar piece along the axial direction of the second grouting sleeve is fixedly connected to the inner wall of the second grouting sleeve.
Further, the inner wall of the second grouting sleeve is uniformly provided with shear grooves along the circumferential direction.
The utility model discloses compare in prior art following beneficial effect as follows:
1. the utility model drives the locking block connected with the elastic connecting piece to slide up and down along the side wall in the limiting hole by utilizing the principle that the elastic connecting piece in the locking component loses the action force to reset and rebound after being compressed by force through the limiting hole arranged on the first grouting sleeve and the locking component arranged in the limiting hole, and further to be matched with the locking connecting piece arranged on the inner wall of the second grouting sleeve, thereby realizing the quick self-locking connection of the first grouting sleeve and the second grouting sleeve, simplifying the complex operation of constructors in the installation process, shortening the construction time, meanwhile, the self-locking connection not only ensures good connection between the grouting sleeves, but also ensures the coincidence of the cylinder axes of the two sleeves, and the axes of the steel bars in the two sections of sleeves are overlapped, so that the compression resistance and the tensile resistance of the whole full grouting sleeve are improved, and the engineering quality is improved.
2. The utility model discloses a be higher than the mounting height of latch segment and therefore be convenient for the latch segment can effectually install spacing downthehole that sets up on first grout sleeve with the external diameter height of first grout sleeve, and can slide from top to bottom along the lateral wall in spacing hole that spacing downthehole is good after the atress, and then guarantee that the latch segment after the installation can be quick accurate slide, realize first grout sleeve and the telescopic auto-lock of second grout.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a full sectional view of A-A in FIG. 1.
Fig. 3 is a cross-sectional view of B-B in fig. 2.
Fig. 4 is a cross-sectional view of C-C in fig. 2.
Fig. 5 is a sectional view of a first grout sleeve according to the present invention.
Fig. 6 is a sectional view of a second grout sleeve according to the present invention.
Fig. 7 is a cross-sectional view of a connector in a preferred embodiment of the invention.
In the figure: 1-a first grouting sleeve, 2-a second grouting sleeve, 3-a grouting hole, 4-a grout outlet, 5-a limiting hole, 6-a locking assembly, 7-a locking connecting piece, 8-a first sealing piece, 9-a second sealing piece, 10-a connecting piece, 11-a shear groove, 12-a positioning piece, 60-a locking block and 61-an elastic connecting piece.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the above objects, the following detailed description of the embodiments, structures, features and effects of the present invention will be made with reference to the accompanying drawings and preferred embodiments, it should be understood that the embodiments described in the present invention are only used for explaining the present invention, and are not used for limiting the present invention.
Referring to fig. 1 ~ 7 shown, the utility model provides a from locking-type steel bar connection full grout sleeve, including first grout sleeve 1 and second grout sleeve 2, the cavity barrel that runs through about wherein first grout sleeve 1 and second grout sleeve 2 are, and install first sealing member 8 on first grout sleeve 1's one end fixedly connected with reinforcing bar spare and the reinforcing bar spare, a foreign matter for in the sealed separation external environment enters first grout sleeve 1, avoid the foreign matter to play certain resistance to the thick liquids that flow into in the sleeve, lead to the thick liquids to fail to fill in whole first grout sleeve 1's cavity, there is the foreign matter in the thick liquids that solidifies simultaneously and will cause the inside clearance that exists of thick liquids, cause stress concentration, make telescopic bearing capacity descend, cause construction quality to descend. The one end of corresponding second grout sleeve 2 also fixedly connected with reinforcing bar spare and also install second sealing member 9 on the reinforcing bar spare, and first sealing member 8 and second sealing member 9 all adopt HNBR hydrogenation butadiene acrylonitrile rubber sealing washer. Meanwhile, a grouting hole 3 is arranged on the first grouting sleeve 1, a grout outlet 4 is arranged on the second grouting sleeve 2, a connecting piece is arranged at one end of the first grouting sleeve 1, one end of the connecting piece is fixedly connected with the first grouting sleeve 1, the other end of the connecting piece is sleeved in the second grouting sleeve 2, a limiting hole 5 is also arranged on the connecting piece, locking components 6 are arranged in the limiting hole 5, a locking connecting piece 7 matched with the locking components 6 is fixedly arranged in the second grouting sleeve, the first grouting sleeve 1 is fixedly connected with the second grouting sleeve 2 through the locking components 6 and the locking connecting piece 7, by adopting the structure, the locking components 6 and the locking connecting piece are matched and locked with each other, the self-locking connection of the first grouting sleeve and the second grouting sleeve is realized, and the central axes of the connected first grouting sleeve and the second grouting sleeve are coincided, and then guarantee that both ends grout sleeve is even in the effect of bearing capacity to improve the engineering component steadiness.
In order to make the connecting piece can effectual assembly to the second grout sleeve in, convenient to use person's operation, the internal diameter of second grout sleeve 2 is greater than the height 5 ~ 10mm of connecting piece external diameter, if the interval between connecting piece and the second grout sleeve is too little, make the connecting piece unable smooth cover connect the second grout sleeve inside, very easily damage the locking Assembly who installs on the connecting piece, if the interval between connecting piece and the second grout sleeve is too big, then unable central axis's between guarantee connecting piece and the second grout sleeve misalignment, lead to connecting piece and second grout sleeve's poor stability, cause the first grout sleeve that is connected with the connecting piece and be connected with the unstability of second grout sleeve, finally cause the reinforcing bar spare bearing capacity poor with muffjoint.
The utility model discloses in the preferred embodiment, refer to fig. 2,5 and show, locking Assembly 6 includes latch segment 60 and elastic connection piece 61, and elastic connection piece 61 wherein adopts compression spring, utilizes compression spring atress compression or tensile to make latch segment 60 carry out up-and-down motion, and then links up with locking connection piece or breaks away from, and this locking connection piece can be with latch segment matched with locking blind hole, or can increase the frictional layer with latch segment surface friction. One end of the elastic connecting piece 61 is connected with the locking block 60, and the other end is fixed in the limiting hole 5, wherein the locking block 60 can be a rubber ball or a wedge-shaped block, and the locking blind hole 7 matched with the locking block can also be a round hole or a wedge-shaped hole. The mounting height of the locking block 60 is higher than the outer diameter of the first grouting sleeve 1, the locking block 60 slides in the limiting hole 5 along the vertical direction, the locking block 60 is driven to slide up and down in the limiting hole 5 by the aid of the structure under the action of the elastic connecting piece 61, the locking block 60 is enabled to move in the axial direction of the inner cavity of the first grouting sleeve 1 to the second grouting sleeve 2, the locking block 60 is connected with the fixed blind hole 7, quick self-locking mounting of the two sections of sleeves is achieved, mounting difficulty of operators is reduced, work efficiency of workers is improved, meanwhile, the self-locking structure also guarantees that the axial positions of the two sections of sleeves coincide with each other in the mounting process, and accordingly, the bearing capacity of a steel bar component after grouting solidification is guaranteed to be larger, and engineering quality is better.
The utility model discloses in the preferred embodiment, refer to fig. 5, 7 are shown, locking connecting piece 7 that sets up in second grout sleeve includes one at least, and the even equidistant axis direction along second grout sleeve 2 of every locking connecting piece 7 distributes, adopt above-mentioned structure to cooperate through the locking connecting piece of installing along the different positions of axis direction at second grout sleeve and the retaining member on the connecting piece, the locking interlock degree of connecting piece and second grout sleeve has been improved in order to increase stability, and then make the reinforcing bar spare bearing capacity with grout muffjoint more firm, it ensures construction safety to improve the engineering quality.
The utility model discloses in the preferred scheme, refer to fig. 2,3,4 and show, fixedly connected with limits the spacer 12 of the removal of reinforcing bar spare along the axis direction of second grout sleeve 2 on the inner wall of second grout sleeve 2, and evenly is provided with shear force groove 11 along circumference at the inner wall of second grout sleeve 2. Wherein, when the reinforcing bar spare penetrates in the second grout sleeve 2, carry on spacingly through the spacer 12 of setting on the grout sleeve inner wall, inject reinforcing bar spare and slide or the inhomogeneous sleeve that leads to of inner structure's atress when the dislocation leads to the sleeve atress along telescopic axis direction and be impaired, when the sleeve receives the shearing action of external force, the effect of the unloading shearing force of 11 ability great degrees of shear force grooves that are equipped with on the 2 inner walls of second grout sleeve simultaneously, improve the telescopic anti-shear capacity of grout, improve the bearing capacity of watering component.
The specific working principle is as follows:
through the limiting hole 5 arranged on the first grouting sleeve 1 and the locking component 6 arranged in the limiting hole 5, by utilizing the principle that the elastic connecting piece 61 in the locking component 6 loses the action force to reset and rebound after being compressed by force, the locking block 60 connected with the elastic connecting piece 61 is driven to slide up and down along the side wall in the limiting hole 5 and further well matched with the fixed blind hole 7 arranged on the inner wall of the second grouting sleeve 2, so that the quick self-locking connection of the first grouting sleeve 1 and the second grouting sleeve 2 is realized, the tedious operation of the installation process of constructors is simplified, the construction time is shortened, meanwhile, the self-locking mode connection is adopted, the good connection between the grouting sleeves is ensured, meanwhile, the axle centers of the cylinders of the two sections of sleeves are also overlapped, further, the axle centers of the reinforcing steel bars in the two sections of sleeves are also overlapped, and the compression resistance and the tensile resistance of the whole full grouting, and the engineering quality is improved.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (8)
1. A self-locking steel bar connection full grouting sleeve comprises a first grouting sleeve (1) and a second grouting sleeve (2), the first grouting sleeve (1) is provided with a grouting hole (3), the second grouting sleeve (2) is provided with a grout outlet (4), it is characterized in that one end of the first grouting sleeve (1) is provided with a connecting piece (10), one end of the connecting piece is fixedly connected with the first grouting sleeve (1), the other end of the connecting piece is sleeved in the second grouting sleeve (2), the connecting piece is also provided with a limiting hole (5), locking components (6) are arranged in the limiting hole (5), a locking connecting piece (7) matched with the locking component (6) is fixedly arranged in the second grouting cylinder, the first grouting sleeve (1) is fixedly connected with the second grouting sleeve (2) through the locking assembly (6) and the locking connecting piece (7).
2. The self-locking steel bar connection full grouting sleeve as claimed in claim 1, wherein the locking assembly (6) comprises a locking block (60) and an elastic connecting piece (61), one end of the elastic connecting piece (61) is connected with the locking block (60), and the other end is fixed in the limiting hole (5).
3. The self-locking steel bar connection full grouting sleeve according to claim 2, wherein the installation height of the locking block (60) is higher than the outer diameter of the connecting piece, and the locking block (60) slides in the limiting hole (5) along the vertical direction.
4. The self-locking rebar junction fully-grouted sleeve according to claim 2, wherein the elastic connecting piece (61) is a compression spring.
5. The self-locking steel bar connection full grouting sleeve as claimed in claim 1, wherein the inner diameter of the second grouting sleeve (2) is 5-10 mm greater than the height of the outer diameter of the connecting piece.
6. The self-locking steel bar connection full grouting sleeve according to claim 1, characterized in that the number of the locking connectors (7) is at least one, and each locking connector (7) is uniformly and equally spaced along the axial direction of the second grouting sleeve (2).
7. The self-locking steel bar connection full grouting sleeve according to claim 1, wherein a positioning piece (12) limiting the movement of the steel bar piece along the axial direction of the second grouting sleeve (2) is fixedly connected to the inner wall of the second grouting sleeve (2).
8. The self-locking steel bar connection full grouting sleeve as claimed in claim 1, wherein the inner wall of the second grouting sleeve (2) is uniformly provided with shear grooves (11) along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920815655.2U CN210597888U (en) | 2019-05-31 | 2019-05-31 | Self-locking type steel bar connection full grouting sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920815655.2U CN210597888U (en) | 2019-05-31 | 2019-05-31 | Self-locking type steel bar connection full grouting sleeve |
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| Publication Number | Publication Date |
|---|---|
| CN210597888U true CN210597888U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920815655.2U Active CN210597888U (en) | 2019-05-31 | 2019-05-31 | Self-locking type steel bar connection full grouting sleeve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049327A (en) * | 2020-08-13 | 2020-12-08 | 浙江省建筑科学设计研究院有限公司 | Semi-grouting sleeve assembly and mounting method thereof |
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2019
- 2019-05-31 CN CN201920815655.2U patent/CN210597888U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049327A (en) * | 2020-08-13 | 2020-12-08 | 浙江省建筑科学设计研究院有限公司 | Semi-grouting sleeve assembly and mounting method thereof |
| CN112049327B (en) * | 2020-08-13 | 2021-11-12 | 浙江省建筑科学设计研究院有限公司 | Semi-grouting sleeve assembly and mounting method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Self locking reinforcement connection full grouting sleeve Effective date of registration: 20221209 Granted publication date: 20200522 Pledgee: Bank of China Limited Ezhou branch Pledgor: HUBEI QIANDAO NEW MATERIAL Co.,Ltd. Registration number: Y2022420000383 |