Embedded nut tool for inner sleeve connection
By using foamed polyurethane blocks and embedded nut tooling in the inner sleeve connection, the problems of high cost, complex process and large point errors in traditional methods are solved, and the embedded nut setting with simple structure, convenient operation and accurate point position are achieved.
Patent Information
- Application Number
- CN202421996624.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-08-19
AI Technical Summary
The connection of the inner sleeve of the traditional square steel pipe requires welding nuts or bolt holes on the inner sleeve on the inner sleeve, resulting in high cost, complex process and large point errors.
The embedded nut tool is used to connect the inner sleeve, and the nut is embedded in the inner sleeve, and the nut is locked and connected to the embedded nut through bolts to fix the connecting parts.
It realizes the installation of embedded nuts with simple structure, convenient operation and accurate point location, reducing costs and improving process reliability.
Smart Images
Figure CN222903904U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building structure connectors, and particularly relates to a pre-embedded nut tooling for inner sleeve connection. Background Art
[0002] For traditional inner sleeve connection of square steel pipes, nuts need to be welded inside the inner sleeve or threading needs to be performed on the bolt holes of the inner sleeve to achieve the fastening of bolts only from the outside under the condition of no operating space.
[0003] However, for the method of welding nuts inside, the position error of the nuts is relatively large; threading operations are carried out on all sides of the square steel pipe, with complex processes and high costs. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a pre-embedded nut tooling for inner sleeve connection to solve the problems of high cost, complex process or large position error in the traditional pre-embedded nut scheme.
[0005] Technical Solution: The utility model provides a pre-embedded nut tooling for inner sleeve connection, including: a first connected part, a second connected part, and an embedded block. The first connected part is of a sleeve structure, and a first screw hole is provided on the outer wall of the lower part; the second connected part inserts an inner sleeve, the upper part of the inner sleeve is sleeved into the first connected part, and a second screw hole corresponding to the position of the first screw hole is provided on the outer wall of the inner sleeve; the embedded block is arranged inside the inner sleeve, a nut embedding hole is arranged on the outer periphery of the embedded block, the nut embedding hole matches the positions of the first screw hole and the second screw hole, and a pre-embedded nut is arranged in the nut embedding hole.
[0006] Further, for the above-mentioned pre-embedded nut tooling for inner sleeve connection, both the first connected part and the second connected part are made of square steel pipes.
[0007] Further, for the above-mentioned pre-embedded nut tooling for inner sleeve connection, the outer diameter of the first connected part is equal to the outer diameter of the second connected part, and the outer diameter of the inner sleeve is equal to the inner diameter of the first connected part. This enables the inner sleeve to be inserted into the first cup-shaped connected part for convenient connection.
[0008] Further, for the above-mentioned pre-embedded nut tooling for inner sleeve connection, the outer diameter of the inner sleeve is equal to the inner diameter of the second connected part, and a limiting structure is provided below the inside of the second connected part. The limiting structure is connected to the inner sleeve by welding to fix the inner sleeve and the second connected part.
[0009] Further, for the above-mentioned pre-embedded nut tooling for inner sleeve connection, the embedded block is a foamed polyurethane block. The foamed polyurethane block has certain stiffness, compressibility, and strong plasticity, and realizes the setting of pre-embedded nuts with convenient operation and accurate positioning at a relatively low cost.
[0010] Furthermore, for the above-mentioned pre-embedded nut tooling with an inner sleeve connection, bolts are inserted into the first screw hole and the second screw hole, and then locked and connected to the pre-embedded nut to fix the first connected part and the second connected part.
[0011] As can be seen from the above technical solutions, the present utility model has the following beneficial effects: The pre-embedded nut tooling with an inner sleeve connection described in the present utility model has a simple structure and is easy to operate. The position of the nut is positioned by using a foamed polyurethane block, and the nut is arranged inside the inner sleeve, making full use of the stiffness, compressibility, and plasticity characteristics of the foamed polyurethane block to achieve rapid and accurate positioning of the pre-embedded nut position and the setting of the pre-embedded nut at a low cost. Description of the Drawings
[0012] Figure 1 It is an exploded view of the pre-embedded nut tooling with an inner sleeve connection of the present utility model;
[0013] Figure 2 It is a connection perspective view of the pre-embedded nut tooling with an inner sleeve connection of the present utility model.
[0014] In the figure: the first connected part 1, the second connected part 2, the embedded block 3, the bolt 4, the first screw hole 11, the inner sleeve 21, the second screw hole 22, the limiting structure 23, the nut embedding hole 31, and the pre-embedded nut 32. Detailed Embodiments
[0015] Embodiment 1
[0016] As Figure 1-2 shown, a pre-embedded nut tooling with an inner sleeve connection includes: a first connected part 1, a second connected part 2, and an embedded block 3. The first connected part 1 is a sleeve structure, and a first screw hole 11 is provided on the outer wall of the lower part; the inner sleeve 21 is inserted into the second connected part 2, the upper part of the inner sleeve 21 is sleeved into the first connected part 1, and a second screw hole 22 corresponding to the position of the first screw hole 11 is provided on the outer wall of the inner sleeve 21; the embedded block 3 is arranged inside the inner sleeve 21, a nut embedding hole 31 is arranged on the outer periphery of the embedded block 3, the nut embedding hole 31 is matched with the positions of the first screw hole 11 and the second screw hole 22, and a pre-embedded nut 32 is arranged in the nut embedding hole 31.
[0017] In this embodiment, the first connected part 1 and the second connected part 2 are both made of square steel pipes. The outer diameter of the first connected part 1 is equal to the outer diameter of the second connected part 2, and the outer diameter of the inner sleeve 21 is equal to the inner diameter of the first connected part 1. This enables the inner sleeve 21 to be inserted into the first cup-shaped connecting part 1 for convenient connection.
[0018] Embodiment 2
[0019] On the basis of Embodiment 1, in this embodiment, asFigure 2 An embedded nut tooling with an inner sleeve connection is shown. The outer diameter of the inner sleeve 21 is equal to the inner diameter of the second connected part 2. A limiting structure 23 is provided below the interior of the second connected part 2. The limiting structure 23 is connected to the inner sleeve 21 by welding to fix the inner sleeve 21 and the second connected part 2.
[0020] In this embodiment, the embedded block 3 is a foamed polyurethane block. The foamed polyurethane block has certain rigidity, compressibility, and strong plasticity, achieving the setting of the embedded nut with convenient operation and accurate positioning at a low cost. First, insert the pre-installed bolt, screw on the pre-installed nut 32 on the bolt, then spray in the foamed polyurethane. After it solidifies, remove the pre-installed bolt to form the embedded block 3. The operation is simple, and the position of the set pre-installed nut 32 matches the positions of the first screw hole 11 and the second screw hole 22.
[0021] In this embodiment, bolts 4 are inserted into the first screw hole 11 and the second screw hole 22, and then tightly connected to the embedded nut 32 to fix the first connected part 1 and the second connected part 2.
[0022] It should be noted that the above is only the technical solution of the utility model and not a limitation. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solution of the utility model can be modified or equivalently replaced without departing from the scope of the technical solution of the present utility model, and it should be covered by the scope of the claims of the present utility model.
Claims
1. An embedded nut tooling connected with an inner sleeve, characterized in that: include: A first connected member (1), the first connected member (1) being a sleeve structure, and having a first screw hole (11) disposed on the lower outer wall; A second connected member (2), wherein an inner sleeve (21) is inserted into the second connected member (2), the upper portion of the inner sleeve (21) is inserted into the first connected member (1), and a second screw hole (22) corresponding to the position of the first screw hole (11) is provided on the outer wall of the inner sleeve (21); An embedded block (3) is arranged in an inner sleeve (21), a nut embedding hole (31) is arranged on the outer periphery of the embedded block (3), the nut embedding hole (31) matches the position of the first screw hole (11) and the second screw hole (22), and a pre-embedded nut (32) is arranged in the nut embedding hole (31).
2. The embedded nut tooling for inner sleeve connection according to claim 1, characterized in that: The first connected member (1) and the second connected member (2) are both made of square steel pipes.
3. The embedded nut tooling for inner sleeve connection according to claim 1, characterized in that: The outer diameter of the first connected member (1) is equal to the outer diameter of the second connected member (2).
4. The embedded nut tooling for inner sleeve connection according to claim 1, characterized in that: The outer diameter of the inner sleeve (21) is equal to the inner diameter of the second connected member (2); a limiting structure (23) is provided at the lower part of the interior of the second connected member (2); the limiting structure (23) is connected to the inner sleeve (21) by welding, thereby fixing the inner sleeve (21) and the second connected member (2).
5. The embedded nut tooling for inner sleeve connection according to claim 1, characterized in that: The outer diameter of the inner sleeve (21) is equal to the inner diameter of the first connected member (1).
6. The embedded nut tooling for inner sleeve connection according to claim 1, characterized in that: The embedded block (3) is a foamed polyurethane block.
7. The embedded nut tooling for inner sleeve connection according to claim 1, characterized in that: Bolts (4) are inserted into the first screw holes (11) and the second screw holes (22) and then locked with the embedded nuts (32) to fix the first connected member (1) and the second connected member (2).