Fabricated building adjustable sleeve structure
By designing an adjustable sleeve structure for prefabricated buildings and utilizing the adjustment mechanism of the inner and outer sleeves, the problem of adjusting the verticality of prefabricated walls was solved, improving construction efficiency and building quality, and increasing the thickness of the concrete protective layer.
Patent Information
- Application Number
- CN202520624451.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-03
AI Technical Summary
Existing connecting sleeves cannot effectively adjust the vertical relationship between precast walls, leading to construction errors and component tilting, which affects building stability and construction efficiency.
Design an adjustable sleeve structure for prefabricated buildings. Through the adjustment mechanism between the inner sleeve and the outer sleeve, the horizontal relationship between the two is adjusted by screws and adjusting nuts, so as to achieve precise adjustment of the verticality of the wall.
It enables precise adjustment of the verticality of precast walls, simplifies construction steps, improves construction efficiency and building quality, and enhances the thickness of the concrete protective layer.
Smart Images

Figure CN223952027U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of fabricated building connecting piece, concretely relates to a kind of adjustable sleeve structure of fabricated building. BACKGROUND
[0002] In fabricated building, the application of prefabricated component is more and more extensive, wherein prefabricated wall as important component, its connection quality directly affects the overall stability and safety of building. At present, the connection between prefabricated walls mainly relies on connecting sleeve to realize the fixation and support of upper and lower walls. However, the existing connecting sleeve has the following problems: 1. The existing connecting sleeve cannot effectively adjust the vertical relationship between the upper and lower prefabricated walls. Due to construction error or size deviation of component itself, the upper wall often tilts, which affects the structural stability and use function of building. 2. Relying on support diagonal rod adjustment: in order to make up for the above problems, support diagonal rod is usually used to apply support force to the upper wall to adjust its perpendicularity in actual construction. This auxiliary adjustment method not only increases construction steps and time cost, but also may cause uneven stress of component, affecting the overall quality of building.
[0003] The application of existing connecting sleeve in fabricated building has many limitations, and a new connecting device capable of accurately adjusting the perpendicularity of prefabricated wall is urgently needed to solve the technical problems in construction process and improve construction efficiency and building quality. CONTENT OF UTILITY MODEL
[0004] In view of this, the utility model provides an adjustable sleeve structure of fabricated building to solve the problems in the prior art.
[0005] In order to achieve the above purpose, the utility model is realized by the following technical scheme:
[0006] The utility model provides an adjustable sleeve structure of fabricated building, which comprises an inner sleeve and an outer sleeve used in cooperation, and a plurality of steel bars lapped with the inner sleeve and the outer sleeve, the inner sleeve comprises a rectangular inner sleeve body, a first bottom plate completely covering one end of the inner sleeve body, an inner groove arranged at the corner of the inner sleeve body and a first connecting hole arranged at four fixed points of the first bottom plate, the outer sleeve comprises an outer sleeve body with a one-side open rectangular box structure, an outer groove arranged at four corners of the open side and used in cooperation with the inner groove, a support partition plate arranged on the side wall of the outer groove and a second connecting hole arranged on the support partition plate and used in cooperation with the first connecting hole, the first connecting hole and the second connecting hole are connected by a threaded rod, and the horizontal relationship between the inner sleeve and the outer sleeve is adjusted by a plurality of adjusting nuts arranged on the threaded rod, and the outer sleeve body is provided with a feeding port and an observation port.
[0007] In the adjustable sleeve structure of the prefabricated building, as a preferred scheme, the two opposite side walls of the inner sleeve are provided with lifting holes; the lifting holes are at least one pair and are arranged on different side walls; the two lifting holes used in pairs are arranged staggeredly.
[0008] In the adjustable sleeve structure of the prefabricated building, as a preferred scheme, the support partition plate is perpendicular to the side wall of the outer groove, and the support partition plate is provided with a second connecting hole matched with the first connecting hole.
[0009] In the adjustable sleeve structure of the prefabricated building, as a preferred scheme, the cross section of the inner groove is a sector or a square, and the cross section of the outer groove matches the cross section of the inner groove.
[0010] In the adjustable sleeve structure of the prefabricated building, as a preferred scheme, the feeding port and the observation port are arranged at the farthest distance on the outer sleeve, and the observation port is higher than the feeding port.
[0011] The adjustable sleeve structure of the prefabricated building has the following beneficial effects:
[0012] The adjustable sleeve structure of the prefabricated building provided by the utility model, a kind of adjustable sleeve structure of the prefabricated building provided by the utility model, by being provided with adjusting mechanism between inner sleeve and outer sleeve, so that sleeve structure can adjust the horizontal relationship between two, and then adjust the perpendicularity of prefabricated wall, compared with the adjustment of existing external support, with the characteristics of simple structure, convenient implementation.
[0013] By changing the structure of inner sleeve and outer sleeve, especially by setting inner groove and outer groove, the overall size of sleeve can be effectively reduced, and the thickness of protective concrete layer outside sleeve structure can be effectively increased, greatly improving the protection of concrete protective layer to sleeve structure. DRAWINGS
[0014] Fig. 1 The sleeve structure and steel bar connection schematic diagram provided by the utility model embodiment;
[0015] Fig. 2 The sleeve structure assembly schematic diagram provided by the utility model embodiment;
[0016] Fig. 3 The inner sleeve structure schematic diagram provided by the utility model embodiment;
[0017] Fig. 4 The outer sleeve structure schematic diagram provided by the utility model embodiment. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are 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 the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0019] The exemplary embodiments of the utility model will be described in detail in combination with the drawings below.
[0020] The meanings represented by the serial numbers in the drawings are as follows: 1 is an inner sleeve body, 2 is an inner groove, 3 is a first bottom plate, 4 is a hoisting hole, 5 is a first connecting hole, 6 is a steel bar, 7 is an outer sleeve body, 8 is an outer groove, 9 is a support partition, 10 is a second connecting hole, 11 is an observation port, 12 is a feeding port, 13 is a screw rod, and 14 is an adjusting nut.
[0021] The exemplary embodiments of the utility model will be described in detail in combination with the drawings below.
[0022] As shown in the drawings, Figs. 1 to 4 The utility model provides a kind of adjustable sleeve structure of fabricated building, including inner sleeve and the outer sleeve of cooperation use, and the lap joint of multiple steel bars 6 with inner sleeve and outer sleeve.The outer wall of inner sleeve is welded with eight steel bars, and steel bar passes through the first bottom plate 3 of inner sleeve, and extends to distance.Steel bar 6 is lap joint on the inner side wall of outer sleeve, to make the steel bar in the inner side of outer sleeve and the steel bar of another inner sleeve outer wall can be spliced, steel bar hole position set on the top surface of outer sleeve and the steel bar hole position on the first bottom plate 3 of inner sleeve are different by a steel bar diameter distance.
[0023] Inner sleeve includes rectangular inner sleeve body 1, first bottom plate 3 completely covered in one end of inner sleeve 1, inner groove 2 arranged at the corner of inner sleeve body 1, and first connecting hole 5 arranged at four fixed points of first bottom 3.
[0024] Outer sleeve includes the outer sleeve body 7 of the rectangular box body structure of one side opening, the outer groove 8 for cooperation with inner groove 2 arranged at four corners of opening side, the support partition 9 arranged on the side wall of outer groove 8 and the second connecting hole 10 for cooperation with first connecting hole 5 arranged on support partition 9.The height of outer groove 8 is about half of the height of outer sleeve body 7, and the top end of outer groove 8 is sealed with metal plate.
[0025] The first connecting hole 5 and the second connecting hole 8 are connected through the screw rod 13, and the horizontal relationship of the inner sleeve and the outer sleeve is adjusted through the plurality of adjusting nuts 14 arranged on the screw rod 13; the feeding port 12 and the observation port 11 are arranged on the outer sleeve body. Specifically, the screw rod 13 penetrates the first connecting hole 5 and is provided with an adjusting nut 14 on each side of the first connecting hole 5, and the two adjusting nuts 14 are arranged on the two sides of the first bottom plate 3 and limit the first bottom plate; the screw rod 13 penetrates the second connecting hole 10 and is provided with an adjusting nut 14 on each side of the second connecting hole 10, and the two adjusting nuts 14 are arranged on the two sides of the support partition plate 9 and limit the support partition plate 9. When the assembly type wall body provided with the adjustable sleeve structure is assembled, if the upper wall body and the lower wall body are inclined, only the adjusting nuts need to be adjusted to change the distance between the inner sleeve and the outer sleeve on different sides, so that the perpendicularity adjustment of the upper wall body and the lower wall body can be improved and completed.
[0026] The inner sleeve is provided with a hoisting hole 4 on the two opposite side walls; the hoisting hole 4 is at least one pair and is arranged on different side walls; the two hoisting holes used in pairs are arranged staggered, and this design is used in cooperation with the driving device recorded in the publication No. CN219194212U.
[0027] The support partition plate 9 is perpendicular to the side wall of the outer groove 8, and the second connecting hole 10 arranged on the support partition plate 9 is used in cooperation with the first connecting hole 5. The cross section of the inner groove 2 is fan-shaped or positive direction, and the cross section of the outer groove 8 matches the inner groove 2.
[0028] The feeding port 12 and the observation port 11 are arranged at the farthest distance on the outer sleeve, and the observation port 11 is higher than the feeding port 12. Specifically, if the feeding port 12 is arranged on one side wall of the outer sleeve body 7, then the corresponding observation port 11 is arranged on the three faces connected with the farthest top point, and the observation port 11 arranged on the face is close to the farthest top point. Of course, the observation port 11 is generally arranged on the top panel of the outer sleeve body 7.
[0029] Finally, it should be noted that in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus.
[0030] The principles and implementation modes of the present application are described above by using specific examples. The above description of the examples is only used to help understand the method of the present application and its core idea. Meanwhile, for those skilled in the art, according to the idea of the present application, there will be changes in the specific implementation modes and application ranges. In summary, the content of the present description should not be understood as a limitation of the present application.
Claims
1. An adjustable sleeve structure of a fabricated building, comprising an inner sleeve and an outer sleeve used in cooperation with the inner sleeve, and a plurality of steel bars lapped with the inner sleeve and the outer sleeve, characterized in that: The inner sleeve comprises a rectangular inner sleeve body, a first bottom plate covering one end of the inner sleeve body, an inner recess provided at a corner of the inner sleeve body, and a first connecting hole provided at four fixed points of the first bottom plate; the outer sleeve comprises an open rectangular box body structure, an outer recess provided at four corners of the open side for cooperation with the inner recess, a support partition plate provided on the side wall of the outer recess, and a second connecting hole provided on the support partition plate for cooperation with the first connecting hole; the first connecting hole and the second connecting hole are connected by a threaded rod, and the horizontal relationship between the inner sleeve and the outer sleeve is adjusted by a plurality of adjusting nuts provided on the threaded rod; the outer sleeve body is provided with a feeding port and an observation port.
2. The prefabricated building adjustable sleeve structure according to claim 1, characterized in that: The inner sleeve is provided with a lifting hole on two opposite side walls; the lifting hole is at least one pair and is provided on different side walls.
3. The prefabricated building adjustable sleeve structure according to claim 1, characterized in that: The support partition plate is perpendicular to the side wall of the outer recess, and the support partition plate is provided with a second connecting hole for cooperation with the first connecting hole.
4. The prefabricated building adjustable sleeve structure according to claim 1, characterized in that: The cross section of the inner recess is a sector or a square, and the cross section of the outer recess matches that of the inner recess.
5. The prefabricated building adjustable sleeve structure according to claim 1, characterized in that: The feeding port and the observation port are provided at the farthest distance on the outer sleeve, and the observation port is higher than the feeding port.
Citation Information
Patent Citations
Automatic unlocking lifting frame for fabricated building
CN219194212U