Connecting sleeve for prefabricated part production

By designing the T-shaped through-groove and threaded connection structure of the connecting sleeve, the problem of low connection efficiency between prestressed steel bars and molds is solved, and the effect of simplifying operation and reducing material losses is achieved.

CN223240949UActive Publication Date: 2025-08-19JIANHUA BUILDING MATERIALS (HUZHOU) CO LTD
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Patent Information

Application Number
CN202422157547.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-03
Publication Date
2025-08-19
Estimated Expiration
2034-09-03

AI Technical Summary

Technical Problem

During the production process of prefabricated components, the connection efficiency of prestressed steel bars and molds is low, and they are easily loosened during the tensioning process, affecting production efficiency and material loss.

Method used

A connecting sleeve is designed, including a first and second assembly cavity arranged symmetrically, and a T-shaped through groove is provided on its side walls, connecting the first and second sleeves by threads, and combining with the limiting rod locking, so as to achieve a simple connection between the prestressed rib and the tensioning device.

Benefits of technology

It improves the connection efficiency of prestressed steel bars, reduces the assembly time of steel bars, reduces material losses, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of prefabricated part production, in particular to a connecting sleeve for prefabricated part production, which comprises a sleeve body, the sleeve body comprises a first assembly cavity and a second assembly cavity which are symmetrically arranged on two sides of the sleeve body, a first T-shaped through groove is arranged on the side wall of the first assembly cavity, and a second T-shaped through groove is arranged on the side wall of the second assembly cavity. The side wall of the second assembly cavity is provided with a first T-shaped through groove, the first T-shaped through groove and the first assembly cavity are arranged in a penetrating mode, and the side wall of the second assembly cavity is provided with a second T-shaped through groove, and the second T-shaped through groove and the second assembly cavity are arranged in a penetrating mode. Through the first T-shaped through groove and the second T-shaped through groove which are formed in the two sides of the sleeve body, connection of the prestressed reinforcement and the tensioning equipment is achieved, operation is easy and convenient, reinforcement assembling time is shortened, production efficiency is improved, meanwhile, the prestressed reinforcement can be selected according to actual production conditions, and material loss is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of prefabricated component production, in particular to a connecting sleeve used for prefabricated component production. Background Art

[0002] During the production and forming process of prefabricated components, the two ends of the prestressed steel bars in the prefabricated components usually need to be connected to the two ends of the mold to facilitate tensioning. Taking U-shaped sheet piles as an example, after the tail end of the steel bar passes through the baffle at the tail end of the mold, it is connected and fixed by a sleeve and a clip. The fixing method is cumbersome, which affects the connection efficiency between the prestressed steel bar and the mold. At the same time, due to the large lateral tension between the prestressed steel bar and the mold during the tensioning process, it is easy for the prestressed steel bar and the mold to loosen. Utility Model Content

[0003] In order to solve the problems of the prior art, the utility model provides a connecting sleeve for producing prefabricated components.

[0004] The purpose of the utility model can be achieved through the following technical scheme: comprising: a sleeve body, the sleeve body including a first assembly cavity and a second assembly cavity symmetrically arranged on both sides thereof, the side wall of the first assembly cavity is provided with a first T-shaped through-slot, the first T-shaped through-slot is connected to the first assembly cavity, the side wall of the second assembly cavity is provided with a second T-shaped through-slot, the second T-shaped through-slot is connected to the second assembly cavity.

[0005] A further improvement is that the sleeve body includes a first sleeve and a second sleeve, the first sleeve includes a first barrel body and a first connecting section fixedly connected to the first barrel body, the first barrel body is provided with the first assembly cavity, the second sleeve includes a second barrel body and a second connecting section fixedly connected to the second barrel body, the second assembly cavity is provided inside the second barrel body, and the first connecting section and the second connecting section can be connected by threads.

[0006] As a further improvement, a first limiting hole is provided through the first connecting section, a second limiting hole is provided through the second connecting section, and a limiting rod is provided between the first limiting hole and the second limiting hole.

[0007] As a further improvement, the first assembly cavity includes a first accommodating cavity and a first rib hole that are arranged to penetrate each other, the diameter of the first accommodating cavity is a, and the diameter of the first rib hole is b, satisfying the quantitative relationship: a>b.

[0008] As a further improvement, the second assembly cavity includes a second accommodating cavity and a second rib hole that are arranged to penetrate each other, the diameter of the second accommodating cavity is c, and the diameter of the second rib hole is b, satisfying the quantitative relationship: c>d.

[0009] As a further improvement, a transition surface is provided between the first accommodating cavity and the first rib outlet hole.

[0010] As a further improvement, a transition surface is provided between the second accommodating cavity and the second rib outlet hole.

[0011] As a further improvement, the distance between the head of the first T-shaped through slot and the end of the first cylinder is e, and the distance between the end of the first accommodating cavity and the end of the first cylinder is f, satisfying the quantitative relationship: e>f.

[0012] As a further improvement, the distance between the head of the second T-shaped through slot and the end of the second cylinder is g, and the distance between the second accommodating cavity and the end of the second cylinder is h, satisfying the quantitative relationship: g>h.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. In actual use, the first sleeve and the second sleeve are threaded together through the first connecting section and the second connecting section to form a connecting rod. Then, the inner main reinforcement of the prefabricated component is placed in the first T-shaped through-slot of the first sleeve. The main reinforcement or tensioning plate of another prefabricated component is connected through the second T-shaped through-slot of the second sleeve. This facilitates the connection between the prestressed reinforcement and the tensioning equipment, is simple and convenient to operate, reduces the reinforcement assembly time, and improves production efficiency. At the same time, the prestressed reinforcement can be selected according to actual production conditions to reduce material loss.

[0015] 2. The utility model locks the first sleeve and the second sleeve through a limiting rod to prevent the first sleeve and the second sleeve from separating during the tensioning process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of Example 1 of the utility model in the assembled state;

[0017] Figure 2 This is a cross-sectional view of the assembled state of Example 1 of the utility model;

[0018] Figure 3 This is a schematic structural diagram of the first sleeve of the utility model;

[0019] Figure 4 It is a partial perspective view of the first sleeve of the utility model;

[0020] Figure 5 This is a schematic structural diagram of the second sleeve of the utility model;

[0021] Figure 6 It is a partial perspective view of the second sleeve of the utility model;

[0022] Figure 7 This is a structural diagram of Example 2 of the present utility model.

[0023] In the figure, 1, first sleeve; 11, first cylinder; 111, first assembly cavity; 1111, first accommodating cavity; 1112, first rib hole; 112, first T-shaped through slot; 12, first connecting section; 121, first limiting hole; 2, second sleeve; 21, second cylinder; 211, second assembly cavity; 2111, second accommodating cavity; 2112, second rib hole; 212, second T-shaped through slot; 22, second connecting section; 221, second limiting hole; 3 limiting rods. DETAILED DESCRIPTION

[0024] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0025] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0026] Below with reference to the embodiment and the attached Figures 1 to 7 , the technical solution of the utility model is further elaborated.

[0027] Example 1

[0028] A connecting sleeve for the production of prefabricated components includes a sleeve body, wherein the sleeve body includes a first assembly cavity 111 and a second assembly cavity 211 symmetrically arranged on both sides thereof, the side wall of the first assembly cavity 111 is provided with a first T-shaped through-slot 112, and the first T-shaped through-slot 112 is connected to the first assembly cavity 111, and the side wall of the second assembly cavity 211 is provided with a second T-shaped through-slot 212, and the second T-shaped through-slot 212 is connected to the second assembly cavity 211.

[0029] like Figure 7As shown, in actual use, the prestressed steel bars and the tensioning equipment are connected by the first T-shaped through-slot 112 and the second T-shaped through-slot 212 arranged on both sides of the sleeve body. The operation is simple and convenient, which reduces the steel bar assembly time and improves production efficiency. At the same time, the prestressed steel bars can be selected according to the actual production situation to reduce material loss.

[0030] Example 2

[0031] The difference between Example 2 and Example 1 is that the sleeve body includes a first sleeve 1 and a second sleeve 2, the first sleeve 1 includes a first barrel body 11 and a first connecting section 12 fixedly connected to the first barrel body 11, and the first barrel body 11 is provided with a first assembly cavity 111, the second sleeve 2 includes a second barrel body 21 and a second connecting section 22 fixedly connected to the second barrel body 21, and the second assembly cavity 211 is provided inside the second barrel body 21, and the first connecting section 12 and the second connecting section 22 can be connected by threads.

[0032] like Figures 1 to 6 As shown, in actual use of the present invention, the first sleeve 1 and the second sleeve 2 are threaded through the first connecting section 12 and the second connecting section 22 to form a connecting rod, and then the inner main reinforcement of the prefabricated component is placed in the first T-shaped through-slot 112 of the first sleeve 1, and the main reinforcement or tensioning plate of another prefabricated component is connected through the second T-shaped through-slot 212 of the second sleeve 2, which facilitates the connection between the prestressed reinforcement and the tensioning equipment, is simple and convenient to operate, reduces the steel bar assembly time, and improves production efficiency. At the same time, the prestressed steel bars can be selected according to actual production conditions to reduce material loss.

[0033] As a further preferred embodiment, a first limiting hole 121 is provided through the first connecting section 12 , a second limiting hole 221 is provided through the second connecting section 22 , and a limiting rod 3 is provided between the first limiting hole 121 and the second limiting hole 221 .

[0034] Specifically, after the first sleeve 1 and the second sleeve 2 are assembled, they are locked by the limiting rod 3 to prevent the first sleeve 1 and the second sleeve 2 from being separated during the drawing production process.

[0035] As a further preferred embodiment, the first assembly cavity 111 includes a first accommodating cavity 1111 and a first rib hole 1112 that are arranged to penetrate each other. The diameter of the first accommodating cavity 1111 is a, and the diameter of the first rib hole 1112 is b, satisfying the quantitative relationship: a>b.

[0036] As a further preferred embodiment, the second assembly cavity 211 includes a second accommodating cavity 2111 and a second rib hole 2112 that are arranged to penetrate each other. The diameter of the second accommodating cavity 2111 is c, and the diameter of the second rib hole 2112 is b, satisfying the quantitative relationship: c>d.

[0037] As a further preferred embodiment, a transition surface is provided between the first accommodating cavity 1111 and the first rib outlet hole 1112 .

[0038] As a further preferred embodiment, a transition surface is provided between the second accommodating cavity 2111 and the second rib outlet hole 2112 .

[0039] As a further preferred embodiment, the distance between the head of the first T-shaped slot 112 and the end of the first cylinder 11 is e, and the distance between the end of the first accommodating cavity 1111 and the end of the first cylinder 11 is f, satisfying the quantitative relationship: e>f. After the steel bar with the swaging head is installed at the bottom end of the first accommodating cavity 1111 through the first T-shaped slot 112, since the diameter of the swaging head is larger than the diameter of the end of the T-shaped slot, the swaging head is stuck at the bottom end of the first accommodating cavity to prevent the swaging head from detaching from the T-shaped slot.

[0040] As a further preferred embodiment, the distance between the head of the second T-shaped slot 212 and the end of the second cylinder 21 is g, and the distance between the second accommodating cavity 2111 and the end of the second cylinder 21 is h, satisfying the quantitative relationship: g>h.

[0041] The above describes in detail the preferred embodiments of the present invention. It should be understood that those skilled in the art can make numerous modifications and variations based on the concepts of the present invention without inventive effort. Therefore, any technical solutions that can be derived by those skilled in the art based on the concepts of the present invention through logical analysis, reasoning, or limited experimentation based on the existing technology should be within the scope of protection defined by the claims.

Claims

1. A connecting sleeve for the production of prefabricated components, characterized in that: include: A sleeve body, the sleeve body comprising a first assembly cavity (111) and a second assembly cavity (211) symmetrically arranged on both sides thereof, the first assembly cavity (111) having a side wall provided with a first T-shaped through-slot (112), the first T-shaped through-slot (112) being connected to the first assembly cavity (111), the second assembly cavity (211) having a side wall provided with a second T-shaped through-slot (212), the second T-shaped through-slot (212) being connected to the second assembly cavity (211).

2. A connecting sleeve for prefabricated component production according to claim 1, characterized in that: The sleeve body comprises a first sleeve (1) and a second sleeve (2), wherein the first sleeve (1) comprises a first barrel body (11) and a first connecting section (12) fixedly connected to the first barrel body (11), and the first barrel body (11) is provided with a first assembly cavity (111) therein; the second sleeve (2) comprises a second barrel body (21) and a second connecting section (22) fixedly connected to the second barrel body (21), and the second assembly cavity (211) is provided therein; and the first connecting section (12) and the second connecting section (22) can be connected via a thread.

3. A connecting sleeve for prefabricated component production according to claim 2, characterized in that: A first limiting hole (121) is provided through the first connecting section (12), a second limiting hole (221) is provided through the second connecting section (22), and a limiting rod (3) is provided between the first limiting hole (121) and the second limiting hole (221).

4. A connecting sleeve for prefabricated component production according to claim 2, characterized in that: The first assembly cavity (111) comprises a first accommodating cavity (1111) and a first rib outlet hole (1112) which are interpenetratingly arranged, the diameter of the first accommodating cavity (1111) being a, and the diameter of the first rib outlet hole (1112) being b, satisfying the quantitative relationship: a>b.

5. A connecting sleeve for prefabricated component production according to claim 2, characterized in that: The second assembly cavity (211) comprises a second accommodating cavity (2111) and a second rib outlet hole (2112) which are interpenetratingly arranged. The diameter of the second accommodating cavity (2111) is c, and the diameter of the second rib outlet hole (2112) is b, satisfying the quantitative relationship: c>d.

6. A connecting sleeve for prefabricated component production according to claim 4, characterized in that: A transition surface is provided between the first accommodating cavity (1111) and the first rib outlet hole (1112).

7. A connecting sleeve for prefabricated component production according to claim 5, characterized in that: A transition surface is provided between the second accommodating cavity (2111) and the second rib outlet hole (2112).

8. A connecting sleeve for prefabricated component production according to claim 4 or 6, characterized in that: The distance between the head of the first T-shaped through groove (112) and the end of the first barrel (11) is e, and the distance between the end of the first accommodating cavity (1111) and the end of the first barrel (11) is f, satisfying the quantitative relationship: e>f.

9. A connecting sleeve for prefabricated component production according to claim 5 or 7, characterized in that: The distance between the head of the second T-shaped through groove (212) and the end of the second barrel (21) is g, and the distance between the second accommodating cavity (2111) and the end of the second barrel (21) is h, satisfying the quantitative relationship: g>h.