Embedded sleeve fixing device
By fixing the pre-embedded sleeve to the top block structure with three connecting screws, the problem of sleeve displacement and tilting during concrete pouring was solved, ensuring the stability of the sleeve and the construction quality.
Patent Information
- Application Number
- CN202423279242.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Pre-embedded sleeves are prone to displacement and tilting during concrete pouring, affecting construction accuracy and quality.
The structure employs three connecting screws and a top block, and the pre-embedded sleeve is fixed by the combination of the bottom plate and the top plate, providing stable lateral support. The stability of the sleeve is ensured by adjusting screws and nuts, and it can adapt to sleeves of different diameters.
This effectively prevents the embedded sleeve from shifting or tilting during the concrete pouring process, thus improving construction accuracy and quality.
Smart Images

Figure CN223562540U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building construction technical field especially relates to a pre -buried sleeve fixing device. BACKGROUND
[0002] The modern building (structure) is more and more functional and large, and the structure type is mainly reinforced concrete. The building (structure) diversification makes the pre -buried engineering of concrete wall, board and other structures numerous and complex, and the quality requirement of various pre -buried construction is higher and higher. Especially, the quantity of small -size sleeve pre -buried in building (structure) structure such as water, electricity, network is much, and the precision requirement is high, and the construction control difficulty is big.
[0003] Specifically, the pre -buried sleeve is not firm enough, and in the concrete pouring process, due to pouring vibration, artificial and equipment trampling, the sleeve is subjected to greater vibration, so that the pre -buried sleeve is prone to displacement, not only directly affect the precision of the pre -buried sleeve between different floors, even affect the quality level of subsequent installation engineering. UTILITY MODEL CONTENTS
[0004] To solve or partially solve the problems in the related art, the utility model provides a pre -buried sleeve fixing device, which aims at solving the technical problems that the pre -buried sleeve is not firm enough and is prone to displacement in the concrete pouring process.
[0005] The pre -buried sleeve fixing device comprises a bottom plate, a connecting screw rod, a top plate, a first top block and a second top block.
[0006] The lower end of the connecting screw rod is fixedly connected with the bottom plate, and the upper end of the connecting screw rod is screwed with a connecting nut after penetrating through the top plate. The connecting screw rod is at least three, and is arranged in the circumferential array around the center of the bottom plate.
[0007] The top surface of the bottom plate has the first top block in the circumferential array around the center thereof, and the bottom surface of the top plate has the second top block in the circumferential array around the center thereof.
[0008] In some schemes, at least two threaded holes are arranged on the bottom plate along the radial direction thereof, and the threaded holes are at least three in the circumferential array around the center of the bottom plate, and the lower end of the connecting screw rod is screwed with the threaded hole.
[0009] The top plate is provided with a through hole corresponding to the threaded hole.
[0010] In some schemes, the first sliding groove extending along the radial direction of the bottom plate is arranged on the bottom plate, and the first sliding groove is at least two in the circumferential array around the center of the bottom plate.
[0011] The top surface of the first top block is provided with a first adjusting screw rod, and the lower end of the first adjusting screw rod is threadedly connected with a first adjusting nut after penetrating through the first sliding slot.
[0012] In some schemes, the top plate is provided with a second sliding slot extending along the radial direction thereof, and the second sliding slot is arranged in a circumferential array with at least two centers of the top plate;
[0013] The top surface of the second top block is provided with a second adjusting screw rod, and the upper end of the second adjusting screw rod is threadedly connected with a second adjusting nut after penetrating through the second sliding slot.
[0014] In some schemes, the top surface of the bottom plate and / or the bottom surface of the top plate is provided with a non-slip pad.
[0015] The technical scheme provided by the utility model can have the following beneficial effects:
[0016] The three connecting screw rods are arranged, so that the device can provide more stable transverse support for the embedded sleeve, meanwhile, the bottom and top of the embedded sleeve are respectively pressed by the first top block and the second top block, so that the transverse movement of the embedded sleeve is effectively avoided, and the technical problems of displacement and inclination of the embedded sleeve during concrete pouring are effectively avoided.
[0017] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory, and cannot limit the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0018] The above and other objects, features and advantages of the utility model will become more apparent from the following detailed description of exemplary embodiments of the utility model, taken in conjunction with the accompanying drawings in which, in the exemplary embodiments of the utility model, the same reference numerals are usually used to represent similar components.
[0019] Figure 1 is the structural schematic view of the embedded sleeve fixing device shown in the utility model embodiment;
[0020] Figure 2 is the use state structural schematic view of the embedded sleeve fixing device shown in the utility model embodiment;
[0021] Reference signs:
[0022] 1, bottom plate; 11, threaded hole; 12, first sliding slot; 2, connecting screw rod; 21, connecting nut; 3, top plate; 31, through hole; 32, second sliding slot; 4, first top block; 41, first adjusting screw rod; 42, first adjusting nut; 5, second top block; 51, second adjusting screw rod; 52, second adjusting nut; 6, non-slip pad; 7, formwork; 8, embedded sleeve. DETAILED DESCRIPTION
[0023] Embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present application is more thorough and complete, and the scope of the present application can be fully conveyed to those skilled in the art.
[0024] Please refer to Figure 1 and Figure 2 The application provides a kind of embedded sleeve fixing device, including bottom plate 1 and top plate 3 of circular, connecting screw rod 2, first top block 4, second top block 5;Bottom plate 1 and top plate 3 are arranged mutually parallelly.The lower end of the connecting screw rod 2 is fixedly connected with the bottom plate 1, the upper end of the connecting screw rod 2 is screwed after passing the top plate 3, and is screwed with connecting nut 21;The connecting screw rod 2 is at least provided with three roots, preferably, connecting screw rod 2 is provided with three roots, four roots or five roots, and can be provided with more roots according to the diameter of embedded sleeve, all connecting screw rod 2 is arranged around the circumference of the center of the bottom plate 1, the top surface of the bottom plate 1 is arranged around the circumference of the center with first top block 4, and the bottom surface of the top plate 3 is arranged around the circumference of the center with second top block 5.
[0025] When using, bottom plate 1 is fixedly installed on formwork, so that the device is fixedly installed on formwork, then embedded sleeve is sleeved on the periphery of three connecting screw rods 2, and the lower end of embedded sleeve is tightly attached to the top surface of bottom plate 1, then top plate 3 is pressed above embedded sleeve, and the upper end of embedded sleeve is tightly attached to the bottom surface of top plate 3, then one connecting nut 21 is screwed on the upper end of three connecting screw rods 2 respectively, and is screwed tightly, so that embedded sleeve is tightly pressed between top plate 3 and bottom plate 1, and the first layer of embedded sleeve is fixed, the arrangement of three connecting screw rods 2 makes the device not easy to incline, so that the device can provide greater lateral support for embedded sleeve, so that embedded sleeve is not easy to incline.
[0026] At the same time, after embedded sleeve is sleeved on the periphery of three connecting screw rods 2, the end of first top block 4 is in abutment with the inner side surface of the lower end of embedded sleeve, and the end of second top block 5 is in abutment with the inner side surface of the upper end of embedded sleeve, so as to provide stable support for embedded sleeve at both ends, effectively avoid the technical problem that embedded sleeve is deviated laterally when subjected to lateral impact, and further improve the stability of embedded sleeve installation.
[0027] The application provides more stable lateral support for embedded sleeve by arranging three connecting screw rods 2, and at the same time, the bottom and top of embedded sleeve are respectively pressed by first top block 4 and second top block 5, so as to effectively avoid the lateral movement of embedded sleeve, and effectively avoid the technical problem that embedded sleeve is displaced and inclined when pouring concrete.
[0028] In the embodiment, the bottom plate 1 is provided with at least two threaded holes 11 arranged along the radial direction thereof, and the threaded holes 11 are arranged in at least three circumferential arrays along the circumferential direction of the center of the bottom plate 1. The number of circumferential arrays can also be set according to the number of connecting screws 2. The lower end of the connecting screw 2 is screwed with the threaded hole 11. The top plate 3 is provided with a through hole 31 corresponding to the threaded hole 11. In this way, when the device is used for different diameters of embedded sleeves, the connecting screw 2 can be installed on the threaded hole 11 at different radial positions, so that the device can be applied to different embedded sleeves, effectively improving the adaptability of the device. Furthermore, by making the connecting screw 2 closer to the inner side wall of the embedded sleeve, the lateral support provided by the three connecting screws 2 can be effectively increased, ensuring the stability of the device supporting the embedded sleeve.
[0029] In the embodiment, the bottom plate 1 is provided with a first sliding groove 12 extending along the radial direction thereof, and the first sliding groove 12 is arranged in at least two circumferential arrays along the circumferential direction of the center of the bottom plate 1. The top surface of the first top block 4 is provided with a first adjusting screw 41, and the lower end of the first adjusting screw 41 is screwed with a first adjusting nut 42 after passing through the first sliding groove 12. When the device is used for fixing different diameters of embedded sleeves, the first top block 4 can be slid, so that the first top block 4 can always abut against the inner side of the embedded sleeve, effectively ensuring that the first top block 4 can provide stable support for the lower end of the embedded sleeve. After adjusting the position, the position of the first top block 4 can be fixed by tightening the first adjusting nut 42, which is convenient to adjust.
[0030] In the embodiment, the top plate 3 is provided with a second sliding groove 32 extending along the radial direction thereof, and the second sliding groove 32 is arranged in at least two circumferential arrays along the circumferential direction of the center of the top plate 3. The top surface of the second top block 5 is provided with a second adjusting screw 51, and the upper end of the second adjusting screw 51 is screwed with a second adjusting nut 52 after passing through the second sliding groove 32. Similar to the first top block 4, when the device is used for fixing different diameters of embedded sleeves, the second top block 5 can be slid, so that the second top block 5 can always abut against the inner side of the embedded sleeve, effectively ensuring that the second top block 5 can provide stable support for the upper end of the embedded sleeve. After adjusting the position, the position of the first top block 5 can be fixed by tightening the second adjusting nut 52, which is convenient to adjust.
[0031] In the embodiment, the top surface of the bottom plate 1 and / or the bottom surface of the top plate 3 is provided with a non-slip pad 6 (not shown in the figure), which effectively increases the friction between the bottom plate 1 and / or the top plate 3 and the end of the embedded sleeve, thereby avoiding the technical problem of lateral movement of the embedded sleeve.
[0032] The above has described various embodiments of the present application, the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles, practical application, or improvement of technology in the market of the embodiments, or to enable other ordinary skilled in the art to understand the embodiments disclosed herein.
Claims
1. A pre-embedded sleeve fixing device, characterized in that: It includes a circular base plate (1), a connecting screw (2), a top plate (3), a first top block (4), and a second top block (5); The lower end of the connecting screw (2) is fixedly connected to the base plate (1), and the upper end of the connecting screw (2) passes through the top plate (3) and is threadedly connected to the connecting nut (21); there are at least three connecting screws (2), which are arranged in a circular array around the center of the base plate (1); The top surface of the base plate (1) has a first top block (4) arranged in a circular array around its center, and the bottom surface of the base plate (3) has a second top block (5) arranged in a circular array around its center.
2. The pre-embedded sleeve fixing device according to claim 1, characterized in that: At least two threaded holes (11) are provided at intervals along the radial direction on the base plate (1), and at least three threaded holes (11) are arranged in a circular array around the center of the base plate (1). The lower end of the connecting screw (2) is threadedly connected to the threaded holes (11). The top plate (3) is provided with through holes (31) that correspond one-to-one with the threaded holes (11).
3. The pre-embedded sleeve fixing device according to claim 1, characterized in that: The base plate (1) is provided with a first groove (12) extending in its radial direction, and there are at least two first grooves (12) arranged in a circular array around the center of the base plate (1); The top surface of the first top block (4) is provided with a first adjusting screw (41), and the lower end of the first adjusting screw (41) passes through the first sliding groove (12) and is threadedly connected to the first adjusting nut (42).
4. The pre-embedded sleeve fixing device according to claim 1, characterized in that: The top plate (3) is provided with a second groove (32) extending in its radial direction, and there are at least two second grooves (32) arranged in a circular array around the center of the top plate (3); The top surface of the second top block (5) is provided with a second adjusting screw (51). The upper end of the second adjusting screw (51) passes through the second sliding groove (32) and is threadedly connected to the second adjusting nut (52).
5. The pre-embedded sleeve fixing device according to claim 1, characterized in that: Anti-slip pads (6) are provided on the top surface of the base plate (1) and / or the bottom surface of the top plate (3).