Screw sleeve mounting tool

Abstract

The utility model relates to the technical field of installation tools, in particular to a threaded sleeve installation tool which comprises a shaft core used for being sleeved with a threaded sleeve piece, an adjusting seat is movably connected to the outer side of the shaft core, and a fixing piece used for stopping the adjusting seat is further arranged on the shaft core. Wherein a positioning piece and a stop piece are arranged at the bottom of the adjusting seat, the positioning piece is used for being in contact with the upper surface of a product, the threaded section is designed on the outer side of the mandrel, under the control of the adjusting seat, threads with the same thread pitch as threads of a threaded sleeve piece are kept, the threaded sleeve piece is prevented from retreating abnormally through auxiliary pushing of the tail portion of the adjusting seat, and the product quality is improved. In addition, due to the fact that a stopping piece is formed at the bottom of the adjusting seat, when the thread sleeve piece is positioned and installed, the stopping piece can position the initial position of the thread sleeve piece, after the thread sleeve piece is installed, the installation depth is determined according to the distance between the bottom of the positioning piece and the stopping piece, and therefore it can be guaranteed that the depth of the installed thread sleeve piece is lower than the depth of the surface of a product.

Description

Technical Field

[0001] The utility model relates to the technical field of installation tools, in particular to a screw sleeve installation tool. Background Art

[0002] Lightweight materials such as aluminum alloys are widely used in the aerospace field due to their low density and light weight. However, the threaded connection strength of these materials is relatively weak compared to steel, which limits their use in certain applications that require high-strength connections. In order to enhance the strength of aluminum alloy threads and improve connection conditions, a common practice is to install wire screw inserts in the threaded holes of aluminum alloy products. The application of wire screw inserts not only improves the strength of the connection, but also increases wear resistance, allowing the connection to be repeatedly disassembled and assembled. In addition, wire screw inserts can also increase the force-bearing area, disperse local stress, and prevent the loosening of the thread, thereby improving the reliability and safety of the connection, and also facilitating future maintenance work.

[0003] The existing wire screw insert installation method is inefficient and mainly relies on manual operation, which involves pulling the screw insert forward with the head. This installation method can easily lead to thread skipping when increasing the installation speed and force, which requires rework. This not only reduces production efficiency, but can also cause damage to the bottom thread and the screw insert. In addition, after the screw insert is installed, its depth below the product surface usually needs to be estimated manually, which makes it difficult to control the installation depth and easily leads to rework. Therefore, the existing wire screw insert installation technology has certain limitations in terms of accuracy and efficiency, and further technical improvements and innovations are needed. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art such as unstable installation and inconvenience in controlling the installation depth, and proposes a screw sleeve installation tool.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A screw sleeve installation tool is designed, comprising a shaft core for sleeve-mounting a screw sleeve, an adjustment seat movably connected to the outer side of the shaft core, and a fixing piece for stopping the adjustment seat is also arranged on the shaft core;

[0007] A positioning member and a stop member are provided at the bottom of the adjustment seat, wherein the positioning member is used to contact the upper surface of the product, and the stop member is used to locate the installation position of the screw assembly, and an installation depth is formed between the bottom of the positioning member and the bottom of the stop member.

[0008] Furthermore, the shaft core includes a connecting section, a planar section and a threaded section, the connecting section is used to connect the tool, and a notch for connecting the tail end of the screw sleeve is formed at the bottom of the threaded section.

[0009] Furthermore, the adjustment seat and the fixing member are both threadedly connected to the threaded section, and the fixing member is stopped above the adjustment seat.

[0010] Furthermore, the positioning member is a plurality of balls embedded in the bottom of the adjustment seat, and the bottoms of the plurality of balls are on the same horizontal plane.

[0011] Furthermore, the adjusting seat has an annular groove inside, and the annular groove is connected with a plurality of flow channels, and the flow channels are used to be connected with the accommodating hole of the positioning member. The outer side of the adjusting seat is also provided with an oil filling hole connected with the annular groove.

[0012] Furthermore, the stopper is a tapered sleeve portion formed at the bottom of the adjustment seat, and an end of the tapered sleeve portion with a smaller diameter is stopped and limited by the screw sleeve portion.

[0013] The utility model proposes a screw sleeve installation tool, which has the beneficial effect that: in the utility model, a threaded section is designed on the outer side of the core shaft, and under the control of the adjusting seat, the thread is kept with the same pitch as the screw sleeve, and the auxiliary push of the adjusting seat at the tail prevents the screw sleeve from retreating abnormally. In addition, since a stopper is formed at the bottom of the adjusting seat, the stopper can locate the initial position of the screw sleeve when positioning and installing the screw sleeve. When the screw sleeve is installed, the installation depth is determined according to the distance between the bottom of the positioning member and the stopper, so that the depth of the screw sleeve below the product surface after installation can be ensured, thereby improving the accuracy of installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the stopper of the utility model;

[0016] Figure 3 This is a schematic diagram of the positioning member structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure after the screw kit is installed.

[0018] In the figure: 1. Screw set; 2. Shaft core; 21. Connecting section; 22. Plane section; 23. Threaded section; 24. Notch; 3. Adjusting seat; 31. Positioning piece; 32. Stopper; 33. Ring groove; 34. Flow channel; 35. Oil filling hole; 4. Fixing piece; 5. Installation depth; 6. Tool; 7. Product. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-4 An embodiment of the utility model discloses a screw sleeve installation tool, including a shaft core 2 for sleeve-mounting a screw sleeve 1. Specifically, in this embodiment, an adjustment seat 3 is movably connected to the outer side of the shaft core 2, and a fixing member 4 for stopping the adjustment seat 3 is also provided on the shaft core 2;

[0021] A positioning member 31 and a stop member 32 are provided at the bottom of the adjustment seat 3, the positioning member 31 is used to contact the upper surface of the product 7, and the stop member 32 is used to locate the installation position of the screw assembly 1, and an installation depth 5 is formed between the bottom of the positioning member 31 and the bottom of the stop member 32.

[0022] In some embodiments, the shaft core 2 in the utility model includes a connecting section 21, a plane section 22 and a threaded section 23, the connecting section 21 is used to connect the tool 6, and specifically the tool 6 described in this embodiment is a pneumatic screwdriver, that is, the connecting section 21 described in this embodiment is set to a polygonal structure, which is connected to the pneumatic screwdriver through the connecting section 21 to realize electric operation, and a notch 24 for connecting the tail end of the screw kit 1 is provided at the bottom of the threaded section 23, and the notch 24 is used to realize the interference limitation of the tail end of the screw kit 1 to ensure the accuracy of the installation position of the screw kit 1.

[0023] Furthermore, on the basis of the above-mentioned embodiment, the adjustment seat 3 and the fixing member 4 in this embodiment are both threadedly connected to the threaded segment 23, and the fixing member 4 is stopped above the adjustment seat 3, that is, in this embodiment, threaded holes are provided inside the adjustment seat 3 and the fixing member 4. In addition, in order to realize the convenient rotation of the adjustment seat 3 and the fixing member 4, the outside of the adjustment seat 3 and the fixing member 4 are both set to polygonal parts for easy holding and rotation.

[0024] In a preferred embodiment, the positioning member 31 in the utility model is a plurality of balls embedded in the bottom of the adjustment seat 3, and the bottoms of the plurality of balls are on the same horizontal plane. In this embodiment, the balls are used for stopping and limiting. When the screw kit 1 is specifically installed, when the balls hit the surface of the product 7, the required position is reached. At this time, the air screwdriver can be reversed to remove the shaft core 2.

[0025] On the basis of the above-mentioned embodiment, the interior of the adjustment seat 3 in this embodiment has an annular groove 33, and a plurality of flow channels 34 are connected to the annular groove 33. The flow channels 34 are used to be connected to the receiving hole of the positioning member 31. The outer side of the adjustment seat 3 is also provided with an oil filling hole 35 connected to the annular groove 33. That is, the oil filling hole 35 provided in this embodiment is used to add lubricating oil, so that the lubricating oil can enter the receiving hole along the flow channel 34, so as to ensure the smoothness of the rotation of the ball. Of course, technicians in the relevant field know that a hole plug can also be provided at the oil filling hole 35 to cover the above-mentioned oil filling hole 35.

[0026] It should be noted that, in the present embodiment, the stopper 32 is a conical sleeve portion formed at the bottom of the adjustment seat 3 , and the end of the conical sleeve portion with a smaller diameter is stopped and limited by the screw sleeve 1 .

[0027] In summary, in the utility model, a threaded section 23 is designed on the outer side of the shaft core 2, and under the control of the adjusting seat 3, the thread is kept at the same pitch as the screw kit 1. The adjusting seat 3 assists in pushing the screw kit 1 at the tail to prevent the screw kit 1 from retreating abnormally. In addition, since a stopper 32 is formed at the bottom of the adjusting seat 3, the stopper 32 can position the initial position of the screw kit 1 when positioning and installing the screw kit 1. When the screw kit 1 is installed, the installation depth 5 is determined according to the distance between the bottom of the positioning member 31 and the stopper 32. In this way, the depth of the screw kit 1 below the surface of the product 7 after installation can be ensured, thereby improving the accuracy of installation.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A screw sleeve installation tool, comprising a shaft core (2) for sleeve-mounting a screw sleeve (1), characterized in that: An adjustment seat (3) is movably connected to the outer side of the shaft core (2), and a fixing member (4) for stopping the adjustment seat (3) is also provided on the shaft core (2); A positioning member (31) and a stop member (32) are provided at the bottom of the adjustment seat (3); the positioning member (31) is used to contact the upper surface of the product; the stop member (32) is used to locate the installation position of the screw assembly (1); and an installation depth (5) is formed between the bottom of the positioning member (31) and the bottom of the stop member (32).

2. A screw sleeve installation tool according to claim 1, characterized in that: The shaft core (2) comprises a connecting section (21), a plane section (22) and a threaded section (23); the connecting section (21) is used to connect a tool (6); and a notch (24) for connecting to the rear end of the screw assembly (1) is provided at the bottom of the threaded section (23).

3. A screw sleeve installation tool according to claim 2, characterized in that: The adjusting seat (3) and the fixing member (4) are both threadedly connected to the threaded section (23), and the fixing member (4) is stopped above the adjusting seat (3).

4. A threaded sleeve installation tool according to claim 1, characterized in that: The positioning member (31) is a plurality of balls embedded in the bottom of the adjustment seat (3), and the bottoms of the plurality of balls are on the same horizontal plane.

5. A screw sleeve installation tool according to claim 4, characterized in that: The adjusting seat (3) has an annular groove (33) inside, and a plurality of flow channels (34) are connected to the annular groove (33). The flow channels (34) are used to communicate with the receiving hole of the positioning member (31). The outer side of the adjusting seat (3) is also provided with an oil injection hole (35) connected to the annular groove (33).

6. A threaded sleeve installation tool according to claim 4, characterized in that: The stopper (32) is a conical sleeve portion formed at the bottom of the adjustment seat (3), and the end of the conical sleeve portion with a smaller diameter is stopped and limited by the screw sleeve portion (1).

Images