Steel wire thread insert with guiding function

Abstract

The utility model relates to the technical field of steel wire thread inserts, in particular to a steel wire thread insert with a guiding function, which mainly comprises a thread insert body, an external thread connecting layer is arranged on the outer side of the thread insert body, an internal thread connecting layer is arranged on the inner side of the thread insert body, and a guiding connecting assembly is arranged at the bottom end of the thread insert body. And the inner side of the guide connecting assembly is connected with an inner supporting assembly, the outer portion of the inner supporting assembly is connected with an outer guide assembly, and the threaded connecting hole is formed in the top end of the interior of the thread sleeve body. According to the steel wire thread insert with the guiding function, an external mounting tool is arranged to extrude an inner supporting assembly, an outer guiding assembly is ejected out of a side adjusting groove, after a guiding sleeve is guided in, the outer guiding assembly is in threaded connection with an external threaded hole to rotate, the guiding connection speed is increased, and then the screwing efficiency is improved; and when follow-up use is not needed, the bolt can be directly broken off, and the applicability of connection and installation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wire screw sleeves, in particular to a wire screw sleeve with a guiding function. Background Art

[0002] Wire thread insert is a new type of internal thread fastener, suitable for threaded connection, screwed into and fastened in the threaded hole of one of the connected parts to form a standard internal thread, and the bolt is then screwed into it, also known as threaded wire insert. It is a spring-shaped internal and external thread concentric body made of high-strength, high-precision, smooth-surfaced cold-rolled diamond-shaped stainless steel wire, mainly used to enhance and protect the internal thread of low-strength materials. At present, the most common types on the market are wire self-locking thread inserts and wire non-self-locking thread inserts.

[0003] Chinese patent publication number CN216009189U discloses a wire screw sleeve with a guiding function. The utility model provides a guiding function when the wire screw sleeve is connected to an external thread by connecting a fixing strip and a guiding external thread to the lower end of the screw sleeve body to avoid misalignment.

[0004] During the setting process of the above-mentioned device, the outer diameter of the guide outer wire is the same as the outer diameter of the wire screw sleeve. Although the guide at the front end can ensure that the position of the wire screw sleeve at the rear end will not be offset, the matching aperture needs to be debugged and aligned during the screwing-in process before it can be screwed in accurately. If it cannot be screwed in after accurate positioning, the screwing-in efficiency will be affected to a certain extent, which needs to be optimized and improved. Utility Model Content

[0005] The purpose of the utility model is to provide a wire screw sleeve with a guiding function to solve the problems raised by the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A wire thread insert with a guiding function, comprising:

[0008] A screw sleeve body, wherein an outer side of the screw sleeve body is provided with an outer thread connection layer, and an inner side of the screw sleeve body is provided with an inner thread connection layer;

[0009] A guide connection component, wherein the guide connection component is arranged at the bottom end of the screw sleeve body, and the inner side of the guide connection component is connected to the inner support component, and the outer side of the inner support component is connected to the outer guide component;

[0010] The threaded connection hole is arranged at the inner top end of the screw sleeve body, and the inner top end of the screw sleeve body is connected with a mounting connection component.

[0011] Preferably, the installation connection assembly includes a threaded connecting rod, the threaded connecting rod is connected to the inner top end of the screw sleeve body, and the threaded connecting rod is threadedly connected to the threaded connection hole.

[0012] Preferably, a mounting handle is connected to the left side of the threaded connecting rod, and a breaking groove is provided inside the mounting handle, and anti-slip strips are connected to both the front and rear ends of the mounting handle.

[0013] Preferably, the guide connection assembly includes a guide sleeve, and the guide sleeve is arranged at the bottom end of the screw sleeve body, and the outer wall of the guide sleeve is provided with side adjustment grooves, and four side adjustment grooves are provided.

[0014] Preferably, the four inner walls of the guide sleeve are all connected to a fixing plate, and the guide sleeve and the fixing plate are integrally connected.

[0015] Preferably, the inner support assembly includes an inner pressing plate, and the inner pressing plate is arranged in the middle of the inner side of the guide sleeve, and the outer side of the inner pressing plate is connected to a pushing rod.

[0016] Preferably, both sides of the inner pressing plate are connected with connecting blocks, and the outer sides of the connecting blocks are connected with extrusion springs.

[0017] Preferably, the outer guide assembly comprises an outer guide block, and the outer guide block is arranged on the outer side of the push rod, and the outer wall of the outer guide block is provided with a threaded groove.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The utility model provides an external installation tool to squeeze the inner support component, push the outer guide component out of the side adjustment groove, and after the guide sleeve is introduced, the guide sleeve is threadedly connected and rotated with the external threaded hole, thereby improving the guide connection speed and thus improving the screwing efficiency;

[0020] A detachable installation connection component is provided to facilitate subsequent screwing in for continued use. When no subsequent use is needed, it can be directly broken off, thereby improving the applicability of the connection installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2 It is a schematic diagram of the partial explosion three-dimensional structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of the installation and connection assembly of the utility model;

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the inner support component and the outer guide component of the utility model.

[0025] In the figure: 1. Screw sleeve body; 2. External thread connection layer; 3. Internal thread connection layer; 4. Threaded connection hole; 5. Mounting connection assembly; 501. Threaded connection rod; 502. Mounting handle; 503. Breaking groove; 504. Anti-slip strip; 6. Guide connection assembly; 601. Guide sleeve; 602. Side adjustment groove; 7. Fixing plate; 8. Internal support assembly; 801. Internal pressing plate; 802. Connection block; 803. Extrusion spring; 804. Push rod; 9. External guide assembly; 901. External guide block; 902. Threaded groove. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application. Example

[0028] See also Figure 1-4 The utility model provides a technical solution: a wire screw sleeve with a guiding function, comprising:

[0029] A screw sleeve body 1, an outer side of the screw sleeve body 1 is provided with an outer thread connection layer 2, and an inner side of the screw sleeve body 1 is provided with an inner thread connection layer 3;

[0030] A guide connection component 6, which is arranged at the bottom end of the screw sleeve body 1, and the inner side of the guide connection component 6 is connected to an inner support component 8, and the outer side of the inner support component 8 is connected to an outer guide component 9;

[0031] A threaded connection hole 4, which is arranged at the inner top of the screw sleeve body 1, and the inner top of the screw sleeve body 1 is connected with a mounting connection component 5;

[0032] An external installation tool is provided to squeeze the inner support component 8, and the outer guide component 9 is pushed out of the side adjustment groove 602. After the guide sleeve 601 is introduced, it is threadedly connected with the external threaded hole and rotated, thereby increasing the guide connection speed and further increasing the screwing efficiency. A removable installation connection component 5 is provided to facilitate subsequent screwing in and continued use. When it is not needed for subsequent use, it can be directly broken off, thereby improving the applicability of the connection installation. Example

[0033] like Figure 2 and Figure 4 As shown, a wire screw sleeve with a guiding function disclosed in the second embodiment of the utility model has a structure that is basically the same as that in the first embodiment, except that the installation connection assembly 5 includes a threaded connecting rod 501, the threaded connecting rod 501 is connected to the inner top of the screw sleeve body 1, and the threaded connecting rod 501 is threadedly connected to the threaded connection hole 4, a mounting handle 502 is connected to the left side of the threaded connecting rod 501, and a breaking groove 503 is provided inside the mounting handle 502, and anti-slip strips 504 are connected to the front and rear ends of the mounting handle 502;

[0034] The threaded connecting rod 501 is threadedly connected to the threaded connecting hole 4, so that the installation handle 502 and the screw sleeve body 1 form a whole, which is convenient for the external installation tool to support the installation of the screw sleeve body 1. During the installation process, the anti-slip strip 504 fits the installation tool to increase the friction, and can also protect the installation handle 502 to avoid wear and tear that is not conducive to subsequent use. After installation, the installation handle 502 can be removed through the connection of the threaded connecting rod 501, and then screwed into the threaded connecting hole 4 when the screw sleeve body 1 needs to be removed. When the threaded connecting rod 501 is difficult to remove from the threaded connecting hole 4, the installation handle 502 can also be hit to break from the breaking groove 503 to avoid affecting the use of the screw sleeve body 1. Example

[0035] like Figure 1 , Figure 2 and Figure 4 As shown, a wire screw sleeve with a guiding function disclosed in the third embodiment of the present invention has a structure that is basically the same as that in the second embodiment, except that the guiding connection assembly 6 includes a guiding sleeve 601, and the guiding sleeve 601 is arranged at the bottom end of the screw sleeve body 1, and the outer wall of the guiding sleeve 601 is provided with a side adjustment groove 602, and the side adjustment grooves 602 are provided with four, and the inner four walls of the guiding sleeve 601 are connected with a fixing plate 7, and the guiding sleeve 601 and the fixing plate 7 are integrated The inner support assembly 8 comprises an inner pressing plate 801, and the inner pressing plate 801 is arranged at the inner middle part of the guide sleeve 601, the outer side of the inner pressing plate 801 is connected with a push rod 804, both sides of the inner pressing plate 801 are connected with connecting blocks 802, and the outer side of the connecting block 802 is connected with an extrusion spring 803, the outer guide assembly 9 comprises an outer guide block 901, and the outer guide block 901 is arranged at the outer side of the push rod 804, and the outer wall of the outer guide block 901 is provided with a threaded groove 902;

[0036] The outer diameter of the guide sleeve 601 is slightly smaller than the outer diameter of the screw sleeve body 1. When connected to the external threaded hole, it is easier to insert the guide if it is slightly smaller than the inner diameter of the threaded hole. When the guide sleeve 601 is introduced into the external threaded hole, the internal pressing plate 801 is squeezed internally through the external installation tool to compress the extrusion spring 803 on the inner side of the connecting block 802. At this time, the push rod 804 pushes the outer guide block 901 to extend out of the side adjustment groove 602, and then the outer guide blocks 901 arranged around it will fit the external threaded hole under the setting of the threaded groove 902, and then rotate for precise guidance.

[0037] The specific solution is as follows: the threaded connecting rod 501 is threadedly connected to the threaded connection hole 4, so that the installation handle 502 and the screw sleeve body 1 form a whole, which is convenient for the external installation tool to support the installation of the screw sleeve body 1. During the installation process, the anti-slip strip 504 fits the installation tool to increase the friction, and can also protect the installation handle 502 to avoid wear and tear that is not conducive to subsequent use. The outer diameter of the guide sleeve 601 is slightly smaller than the outer diameter of the screw sleeve body 1. When connected to the external threaded hole, it is slightly smaller than the inner diameter of the threaded hole, which makes it easier to insert the guide. When the guide sleeve 601 is introduced into the external threaded hole, the external installation tool is used to squeeze the inner press The pressure plate 801 compresses the extrusion spring 803 on the inner side of the connecting block 802. At this time, the pushing rod 804 pushes the outer guide block 901 to extend out of the side adjustment groove 602. Then the outer guide blocks 901 arranged around will fit into the external threaded hole under the setting of the threaded groove 902, and then rotate for precise guidance. After installation, the mounting handle 502 can be removed through the connection of the threaded connecting rod 501, and then screwed into the threaded connecting hole 4 when it is necessary to remove the screw sleeve body 1. When the connection between the threaded connecting rod 501 and the threaded connecting hole 4 is difficult to remove, the mounting handle 502 can also be hit to break it from the breaking groove 503 to avoid affecting the use of the screw sleeve body 1.

[0038] A person skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative, and that within the spirit of the present invention, the technical features of the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0039] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A wire thread insert with a guiding function, characterized in that: include: A screw sleeve body (1), wherein an outer side of the screw sleeve body (1) is provided with an outer thread connection layer (2), and an inner side of the screw sleeve body (1) is provided with an inner thread connection layer (3); A guide connection component (6), the guide connection component (6) being arranged at the bottom end of the screw sleeve body (1), the inner side of the guide connection component (6) being connected to an inner support component (8), and the outer side of the inner support component (8) being connected to an outer guide component (9); A threaded connection hole (4) is provided at the inner top end of the screw sleeve body (1), and the inner top end of the screw sleeve body (1) is connected to a mounting connection component (5).

2. A wire thread insert with a guiding function according to claim 1, characterized in that: The installation connection assembly (5) comprises a threaded connecting rod (501), the threaded connecting rod (501) being connected to the inner top end of the threaded sleeve body (1), and the threaded connecting rod (501) being threadedly connected to the threaded connection hole (4).

3. The wire thread insert with a guiding function according to claim 2, characterized in that: The left side of the threaded connecting rod (501) is connected to a mounting handle (502), and a breaking groove (503) is provided inside the mounting handle (502). Both front and rear ends of the mounting handle (502) are connected to anti-slip strips (504).

4. The wire thread insert with a guiding function according to claim 1, characterized in that: The guide connection assembly (6) comprises a guide sleeve (601), and the guide sleeve (601) is arranged at the bottom end of the screw sleeve body (1), and the outer wall of the guide sleeve (601) is provided with side adjustment grooves (602), and four side adjustment grooves (602) are provided.

5. The wire thread insert with a guiding function according to claim 4, characterized in that: The four inner walls of the guide sleeve (601) are all connected to a fixing plate (7), and the guide sleeve (601) and the fixing plate (7) are integrally connected.

6. The wire thread insert with a guiding function according to claim 1, characterized in that: The inner support assembly (8) comprises an inner pressing plate (801), and the inner pressing plate (801) is arranged in the middle of the inner side of the guide sleeve (601), and the outer side of the inner pressing plate (801) is connected to a push rod (804).

7. The wire thread insert with a guiding function according to claim 6, characterized in that: Both sides of the inner pressing plate (801) are connected to connecting blocks (802), and the outer side of the connecting block (802) is connected to a pressing spring (803).

8. The wire thread insert with a guiding function according to claim 1, characterized in that: The outer guide assembly (9) comprises an outer guide block (901), and the outer guide block (901) is arranged on the outside of the push rod (804), and the outer wall of the outer guide block (901) is provided with a thread groove (902).

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