Adjustable penetrating assembly type full grouting sleeve
The adjustable, fully grouted sleeve solves the problem of non-adjustable sleeve length in existing technologies, enabling rapid assembly and efficient construction, and improving the strength of steel reinforcement connections and seismic resistance.
Patent Information
- Application Number
- CN202520354932.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-03
AI Technical Summary
Existing grouting sleeves increase significantly in length when connecting large-diameter steel bars, making them unadjustable. Multiple sizes need to be provided on-site, complicating steel bar connection and alignment, weakening the stability of precast components, and resulting in low construction efficiency.
The adjustable, fully fitted grouting sleeve features a separate design for components such as the upper sleeve, lower sleeve, sleeve connection, fixing groove plate, external protrusion, fixing hole, and fixing bolts. This design allows for length and position adjustment, reducing operating space and improving adaptability and flexibility.
It enables rapid assembly under different engineering conditions, reduces construction costs, improves construction efficiency, enhances the strength of steel reinforcement connections and seismic resistance, and ensures overall stability.
Smart Images

Figure CN223813856U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of assembly type reinforced concrete structure assembly technology, concretely is a kind of adjustable through suit assembly type full grouting sleeve. BACKGROUND
[0002] The application range of prefabricated building gradually expands from the field of residential construction to public building, industrial building and other fields, and the demand in new rural construction, commercial real estate and other fields is also increasing, and prefabricated building pays more attention to green development, prefabricated structure has many advantages, but also has many problems to be solved, in the current practice of prefabricated structure construction, steel bar connection mainly depends on grouting sleeve technology. In the prior art, when connecting large-diameter steel bars using grouting sleeves, the length of the sleeve will increase significantly, the existing sleeve cannot adaptively adjust the length according to the use demand, a plurality of sizes of sleeves need to be provided on the construction site, and steel bar connection and alignment installation require larger operation space, thereby weakening the overall stability of prefabricated components, and in the installation stage of prefabricated components, it is difficult to accurately control the deviation of component position, the operation complexity of steel bar connection and device installation is high, resulting in relatively low construction efficiency. SUMMARY
[0003] In view of the deficiencies of the prior art, the utility model provides a kind of adjustable through suit assembly type full grouting sleeve, solve the prior art, when connecting large-diameter steel bars using grouting sleeves, the length of the sleeve will increase significantly, the existing sleeve cannot adaptively adjust the length according to the use demand, a plurality of sizes of sleeves need to be provided on the construction site, and steel bar connection and alignment installation require larger operation space, thereby weakening the overall stability of prefabricated components, and in the installation stage of prefabricated components, it is difficult to accurately control the deviation of component position, the operation complexity of steel bar connection and device installation is high, resulting in relatively low construction efficiency problem.
[0004] To achieve the above object, the utility model is realized by the following technical scheme: a kind of adjustable through suit assembly type full grouting sleeve, including upper sleeve, the lower part of the upper sleeve is provided with lower sleeve, the top of the lower sleeve is provided with sleeve connecting portion, the upper sleeve is connected with sleeve connecting portion cooperation, the outer wall of the sleeve connecting portion is provided with fixed slot plate on both sides, the outer wall of the upper sleeve is provided with outer protrusion on both sides, the outer protrusion is connected with fixed slot plate cooperation, the outer wall of the fixed slot plate and outer protrusion is equidistantly provided with fixed hole, the inner wall of the fixed hole is penetrated by fixed bolt, the end of the fixed bolt is threadedly connected with fixed nut, the outer wall of the lower sleeve is provided with grouting port below sleeve connecting portion on one side, the outer wall of the upper sleeve is provided with outlet port above sleeve connecting portion on one side.
[0005] Preferably, the lower sleeve is provided with an inner cylinder inside the sleeve connection part, the upper sleeve is connected to the inner cylinder, and the inner wall of the inner cylinder is provided with streamlined concave grooves at equal intervals.
[0006] Preferably, the inner wall of the inner cylinder is provided with limiting groove plates on both sides, and the inner wall of the upper sleeve is provided with inner protrusions on both sides, the inner protrusions being connected to the limiting groove plates.
[0007] Preferably, the upper sleeve and the lower sleeve are respectively provided with an inner opening at their ends that are far apart from each other, and a binding plate is provided at the end of the inner opening, and a through hole is provided inside the binding plate.
[0008] Preferably, both the grouting port and the grout outlet have flared ends.
[0009] This utility model provides an adjustable through-type grouting sleeve. It offers the following advantages: The adjustable through-type grouting sleeve, through the cooperation of the upper sleeve, lower sleeve, sleeve connecting part, fixing groove plate, external protrusion, fixing hole, fixing bolt, fixing nut, grouting port, and grout outlet, adopts a separate adjustable design. This reduces the operating space required for assembly, lowers construction difficulty, and allows for adjustment of the length of the grouting sleeve according to actual needs. This enables rapid assembly of the grouting sleeve to adapt to different engineering conditions, such as connecting steel bars of different diameters or when the gaps between steel bars are large. It reduces the specifications and types of sleeves on the construction site, lowers construction costs, and improves construction efficiency, thus enhancing the adaptability and flexibility of the grouting sleeve.
[0010] The upper sleeve, lower sleeve, sleeve connection, inner cylinder, and streamlined recess are fitted together. An inner cylinder is installed inside the sleeve connection, and a streamlined recess is provided on the inner wall of the inner cylinder. The streamlined recess is designed according to the principle of equal stiffness. The cross-sectional thickness of the recess gradually increases from the middle to both ends, and the length of the recess gradually increases from the middle to both ends to ensure that the stiffness of all recesses is consistent. This can effectively enhance the connection strength and stress performance between the sleeve, cement-based grout, and connecting steel bars. The streamlined design of the recess can help reduce air bubbles that may be generated during grouting, thereby improving the density of the grout and the convenience of grouting operations during construction. It can also effectively improve the pull-out resistance of the sleeve and the overall integrity and seismic resistance of the sleeve connection, thus helping to improve the overall performance of the sleeve. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the structure of this utility model;
[0012] Figure 2 This is a side view of the present invention;
[0013] Figure 3It is the appearance schematic view of the utility model;
[0014] Figure 4 It is the plan view of the utility model;
[0015] Figure 5 It is Figure 2 The local amplification drawing of A area in the middle;
[0016] Figure 6 It is Figure 4 The local amplification drawing of B area in the middle.
[0017] In the drawing: 1, upper sleeve; 2, lower sleeve; 3, sleeve connecting part; 4, fixed groove plate; 5, outer protrusion; 6, fixed hole; 7, fixed bolt; 8, fixed nut; 9, grouting port; 10, slurry outlet; 11, inner cylinder; 12, streamline concave; 13, limiting groove plate; 14, inner protrusion; 15, inner closing; 16, mouth plate; 17, through tendon hole; 18, skimming mouth. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0019] In the prior art, when connecting large-diameter steel bars by using a grouting sleeve, the length of the sleeve will be significantly increased, the existing sleeve cannot adaptively adjust the length according to the use requirement, a plurality of sizes of sleeves need to be provided on the construction site, and a larger operation space is required for steel bar connection and alignment installation, thereby weakening the overall stability of the prefabricated component, and it is difficult to accurately control the deviation of the component position in the installation stage of the prefabricated component, the operation complexity of steel bar connection and device installation is relatively high, and the construction efficiency is relatively low.
[0020] The utility model discloses, provide an adjustable wear suit assembly type full grouting sleeve, through the cooperation between upper sleeve, lower sleeve, sleeve connecting part, fixed groove board, outer protruding, fixed hole, fixed bolt, fixed nut, grouting mouth and slurry outlet, full grouting sleeve adopts the adjustable design of separation type, by inserting upper sleeve into sleeve connecting part, and utilize bolt and fix, make the end of two steels can first carry out position adjustment, then carry out the assembly installation of sleeve, allow the component to exist certain deviation in the early stage of installation process, reduce the operation space required for assembly, thereby guarantee the overall stability of prefabricated component, reduce construction difficulty, and can according to actual demand, through the relative position between upper sleeve and lower sleeve adjustment, the length of full grouting sleeve is adjusted, make grouting sleeve when connecting different diameter steels or the gap between steels is larger, can be quickly assembled into the sleeve of adaptation different engineering situation, reduce the specification and type of sleeve in construction site, reduce construction cost, improve construction efficiency, thereby improve the adaptability and flexibility of full grouting sleeve.
[0021] By Figures 1-6 It can be known that the adjustable wear suit assembly type full grouting sleeve comprises an upper sleeve 1, a lower sleeve 2 arranged below the upper sleeve 1, a sleeve connecting part 3 arranged at the top of the lower sleeve 2, the upper sleeve 1 being connected with the sleeve connecting part 3 in a matched mode, fixed groove boards 4 arranged on the outer walls of the sleeve connecting part 3, outer protrusions 5 arranged on the outer walls of the upper sleeve 1, the outer protrusions 5 being connected with the fixed groove boards 4 in a matched mode, fixed holes 6 being equidistantly arranged on the outer walls of the fixed groove boards 4 and the outer protrusions 5, fixed bolts 7 penetrating through the inner walls of the fixed holes 6, fixed nuts 8 threadedly connected with the ends of the fixed bolts 7, a grouting mouth 9 arranged on one side of the outer wall of the lower sleeve 2 and below the sleeve connecting part 3, and a slurry outlet 10 arranged on one side of the outer wall of the upper sleeve 1 and above the sleeve connecting part 3.
[0022] In the implementation process, it is particularly worth pointing out that through the cooperation between the upper sleeve 1, the lower sleeve 2 and the sleeve connecting part 3, the upper sleeve 1 and the lower sleeve 2 are designed separately, and are sleeved into the ends of the two steels to be connected respectively. By inserting the upper sleeve 1 into the sleeve connecting part 3 and fixing it, the upper sleeve 1 and the lower sleeve 2 form the main structure of the full grouting sleeve. Through the cooperation between the upper sleeve 1, the lower sleeve 2, the sleeve connecting part 3, the fixed groove plate 4, the outer protrusion 5, the fixed hole 6, the fixed bolt 7 and the fixed nut 8, when the upper sleeve 1 is inserted into the sleeve connecting part 3, the outer protrusion 5 is clamped with the fixed groove plate 4. By inserting the fixed bolt 7 into the fixed hole 6 and locking the fixed bolt 7 with the fixed nut 8, the fixing between the upper sleeve 1 and the lower sleeve 2 is realized. According to the actual needs, the relative position between the upper sleeve 1 and the lower sleeve 2 can be adjusted by adjusting the insertion depth of the upper sleeve 1 in the sleeve connecting part 3 and fixing it, so as to realize the size adjustment of the full grouting sleeve. When the grouting sleeve is connected with large diameter steel bars, or when the gap between the steel bars is large, the sleeve can be quickly assembled to adapt to different engineering conditions, so as to meet different connection requirements, improve the adaptability and flexibility of the full grouting sleeve, reduce the specifications and types of sleeves on the construction site, reduce the construction cost, and through the cooperation between the upper sleeve 1, the lower sleeve 2, the sleeve connecting part 3, the grouting port 9 and the outlet port 10, the high-strength, early-strength and micro-expansive cement-based grouting material is injected into the sleeve through the grouting port 9, and the excess grouting material is discharged through the outlet port 10, so as to ensure that the sleeve is filled with grouting material without air bubbles and voids, so that the grouting material forms a tight connection with the steel bar after solidification, ensures the tight connection between the steel bar and the sleeve, improves the overall bearing capacity and stability of the structure, and makes the full grouting sleeve perform better under extreme conditions such as earthquake, through the cooperation between the upper sleeve 1, the lower sleeve 2, the sleeve connecting part 3, the fixed groove plate 4, the outer protrusion 5, the fixed hole 6, the fixed bolt 7, the fixed nut 8, the grouting port 9 and the outlet port 10, the full grouting sleeve is designed to be adjustable and separated. By inserting the upper sleeve 1 into the sleeve connecting part 3 and fixing it with a bolt, the ends of the two steels can be adjusted in position first, and then the sleeve is assembled and installed, allowing the component to have a certain deviation in the early stage of the installation process, reducing the operation space required for assembly, thereby ensuring the overall stability of the prefabricated component, reducing the construction difficulty, and according to the actual needs, the length of the full grouting sleeve can be adjusted by adjusting the relative position between the upper sleeve 1 and the lower sleeve 2, so that the grouting sleeve can be quickly assembled to adapt to different engineering conditions when connecting steel bars of different diameters or when the gap between the steel bars is large, thereby reducing the specifications and types of sleeves on the construction site, reducing the construction cost, improving the construction efficiency, and improving the adaptability and flexibility of the full grouting sleeve.
[0023] Further, the inner sleeve 11 is arranged inside the sleeve connecting part 3, the upper sleeve 1 is connected with the inner sleeve 11, and the inner wall of the inner sleeve 11 is equidistantly provided with streamlined grooves 12;
[0024] In the specific implementation process, it is particularly worth pointing out that through the cooperation among the upper sleeve 1, the lower sleeve 2, the sleeve connecting part 3, the inner sleeve 11 and the streamlined grooves 12, the inner sleeve 11 is arranged inside the sleeve connecting part 3, the upper sleeve 1 is tightly attached to the sleeve connecting part 3 and the inner sleeve 11, the stability of the connection between the upper sleeve 1 and the lower sleeve 2 is increased, the inner wall of the inner sleeve 11 is provided with the streamlined grooves 12, the streamlined grooves 12 are designed according to the principle of equal rigidity, the cross-sectional thickness of the grooves gradually increases from the middle to the two ends, the length of the grooves gradually increases from the middle to the two ends, so as to ensure that the rigidity of all the grooves is consistent, the connection strength and stress performance between the sleeve, the cement-based grouting material and the connecting steel bar can be effectively enhanced, the grooves are designed in a streamlined manner, which can help to reduce the air bubbles that may be generated during grouting, thereby improving the compactness of grouting and the convenience of grouting operation in construction, effectively improving the anti-pulling capacity of the sleeve and the integrity and anti-seismic capacity of the sleeve connection;
[0025] Further, the inner wall of the inner sleeve 11 is provided with limiting groove plates 13 on both sides, and the inner wall of the upper sleeve 1 is provided with inner protrusions 14 on both sides, which are connected with the limiting groove plates 13;
[0026] In the specific implementation process, it is particularly worth pointing out that through the cooperation among the upper sleeve 1, the lower sleeve 2, the inner sleeve 11, the limiting groove plates 13 and the inner protrusions 14, the inner side of the inner sleeve 11 is provided with the limiting groove plates 13 in a groove structure, when the upper sleeve 1 is inserted into the sleeve connecting part 3, the inner protrusions 14 are inserted into the inside of the limiting groove plates 13, the structural stability between the upper sleeve 1 and the inner sleeve 11 is improved, and the connection strength of the upper sleeve 1 and the lower sleeve 2 is further improved;
[0027] Further, the upper sleeve 1 and the lower sleeve 2 are respectively provided with inner closing openings 15 at the ends away from each other, the inner closing openings 15 are provided with closing plates 16 at the ends, and the inside of the closing plates 16 is provided with steel bar passing holes 17;
[0028] In the specific implementation process, it is particularly worth pointing out that through the cooperation among the upper sleeve 1, the lower sleeve 2, the inner closing openings 15, the closing plates 16 and the steel bar passing holes 17, the ends of the upper sleeve 1 and the lower sleeve 2 are designed in an inner closing opening type, the ends of the sleeve are inwardly retracted, and are closed by the closing plates 16, so that the steel bar is inserted into the sleeve through the steel bar passing holes 17, and the anti-pulling strength of the steel bar is further improved after the sleeve is installed;
[0029] Further, the ends of the grouting port 9 and the slurry outlet port 10 are provided with skimming openings 18;
[0030] In the specific implementation process, it is worth pointing out that, through the cooperation between the grouting port 9, the slurry outlet 10 and the skimming port 18, the ends of the grouting port 9 and the slurry outlet 10 are designed as outwardly turned port portions, the self-closing of the grouting port 9 and the slurry outlet 10 is formed by using the outflow force of the grouting material, the slurry leakage and the slurry void on the upper part of the sleeve are avoided, and the saturation and sealing performance of the sleeve grouting are enhanced.
[0031] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations have any such actual relationship or order. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the statement "including a limited element" does not exclude the existence of other identical elements in the process, method, article or equipment including the element.
[0032] In the present application, unless otherwise specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specified, the above-mentioned terms in the present application can be understood according to the specific meaning of the above-mentioned terms in the present application by the ordinary skilled in the art.
[0033] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An adjustable, sleeved, fitted, full- grout sleeve comprising an upper sleeve (1), characterized in that: The lower part of the upper sleeve (1) is provided with a lower sleeve (2), the top of the lower sleeve (2) is provided with a sleeve connecting part (3), the upper sleeve (1) is connected with the sleeve connecting part (3), the outer wall of the sleeve connecting part (3) is provided with a fixed groove plate (4) on both sides, the outer wall of the upper sleeve (1) is provided with an outer protrusion (5) on both sides, the outer protrusion (5) is connected with the fixed groove plate (4), the outer wall of the fixed groove plate (4) and the outer protrusion (5) is provided with a fixed hole (6) at equal intervals, the inner wall of the fixed hole (6) is penetrated by a fixed bolt (7), the end of the fixed bolt (7) is threadedly connected with a fixed nut (8), one side of the outer wall of the lower sleeve (2) is provided with a grouting port (9) below the sleeve connecting part (3), one side of the outer wall of the upper sleeve (1) is provided with a slurry outlet (10) above the sleeve connecting part (3).
2. An adjustable sleeved assembled full grout sleeve according to claim 1, characterized in that: The inner wall of the inner cylinder (11) is provided with a streamlined concave (12) at equal intervals.
3. An adjustable sleeved assembled full grout sleeve according to claim 2, characterized in that: The inner wall of the inner cylinder (11) is provided with a limiting groove plate (13) on both sides, the inner wall of the upper sleeve (1) is provided with an inner protrusion (14) on both sides, the inner protrusion (14) is connected with the limiting groove plate (13).
4. The adjustable sleeved assembled full grouting sleeve according to claim 1, characterized in that: The end of the upper sleeve (1) and the lower sleeve (2) away from each other is respectively provided with an inner closing mouth (15), the end of the inner closing mouth (15) is provided with a mouth plate (16), the inside of the mouth plate (16) is provided with a muscle hole (17).
5. The adjustable sleeved assembled full grouting sleeve according to claim 1, characterized in that: The end of the grouting port (9) and the slurry outlet (10) is provided with a skimming port (18).