Novel steel wire thread insert

Abstract

The utility model discloses a novel steel wire thread insert which comprises a thread insert body and a locking part, the thread insert body is formed by winding a steel wire, a conical guide structure is arranged at the upper end of the thread insert body, the lower end of the thread insert body is of a cylindrical structure, the locking part is arranged in the middle of the thread insert body, and the locking part is of an irregular polygon structure. Hook grooves are formed in the inner sides of the upper end and the lower end of the thread sleeve body respectively and are in a fishhook shape, the locking part is of an irregular pentagonal structure, the pentagonal structure is internally tangent to the thread sleeve body to form a circular structure, the locking part is at least one circle, and the end portions of the upper end and the lower end of the thread sleeve body are inclined faces. During installation, one part of torsion generated by the swivel nut body is offset by the hook groove at the front end, and the other part of torsion is offset by the friction force generated by the conical guide structure at the front end, so that the problem of troublesome installation can be solved on the basis of a traditional swivel nut, the problem of small torsion of a tailless swivel nut is also avoided, and the swivel nut is safer and more reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel wire sleeve technical field, concretely to a novel steel wire sleeve. BACKGROUND

[0002] The traditional steel wire sleeve has a mounting handle at one end, which helps installation but also brings some drawbacks, and after installation, the mounting tail handle needs to be broken off with a tool, and the cleaning after removing the tail handle is more troublesome, and if the installation fails, it is troublesome to disassemble, in order to overcome these shortcomings, the tailless sleeve can solve part of the problem, but since the force that can be borne by the hook groove of the tailless sleeve is much smaller than the mounting handle, the outer diameter is relatively smaller than the traditional steel wire sleeve during design, so as to facilitate the installation of the tailless sleeve, Chinese patent application number 202122032306.3, a kind of anti-loose tailless sleeve, including tailless sleeve body, anti-loose ring and connecting groove, tailless sleeve body is made of diamond steel wire, and the connecting groove is arranged on the inner side of the two ends of the tailless sleeve body, the connecting groove is arranged as U-shaped structure, the anti-loose ring is arranged at the middle part of the tailless sleeve body, and the anti-loose ring is arranged as two; The tailless sleeve body is a cylindrical structure as a whole, and the outer diameters are consistent, which is not convenient to correspond with the wire hole during installation, and the operation is not convenient, the anti-loose ring is arranged as a circle, which deforms continuously under continuous stress, and the anti-loose effect is not good, similarly, patent publication number CN208503226 U discloses a tailless steel wire sleeve, including steel wire sleeve body, the steel wire sleeve body is made of diamond steel wire, and a regular polygon locking ring (regular quadrilateral or regular pentagon) is adopted, the resistance and friction force are increased by the regular and uniform deformation, but the locking effect is not good, and it is difficult to meet the high-strength locking demand, a new type of steel wire sleeve is proposed for the above problems. CONTENT OF THE UTILITY MODEL

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art, provide a new type of steel wire sleeve, when installing, the torsion generated by the sleeve body is partly offset by the front end hook groove, and the other part is offset by the friction generated by the tapered guide structure at the front end, which can solve the problem of troublesome installation on the basis of the traditional sleeve, avoid the problem of small torsion of the tailless sleeve, and is more safe and reliable, and can effectively solve the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a new type of steel wire sleeve, including sleeve body and locking part, the sleeve body is made of steel wire, the upper end of the sleeve body is provided with tapered guide structure, the lower end of the sleeve body is a cylindrical structure, the locking part is arranged at the middle part of the sleeve body, the locking part is arranged as an irregular polygonal structure, the inner side of the locking part is provided with a groove, a micro-tooth structure is formed on the inner edge of the locking part, and the inner sides of the upper end and the lower end of the sleeve body are respectively provided with hook grooves, the hook grooves are arranged as fishhook-shaped.

[0005] Further, the locking part is arranged as an irregular pentagon structure, and the pentagon structure is inscribed in a circular structure formed by the body of the screw sleeve.

[0006] Further, the locking part is arranged as an irregular pentagon structure, and the pentagon structure is inscribed in a circular structure formed by the body of the screw sleeve.

[0007] Further, the upper end and the lower end of the body of the screw sleeve are arranged as inclined surfaces.

[0008] Compared with the prior art, the utility model has the beneficial effects that:

[0009] 1. The tapered guide structure is arranged to play a guiding role, so that the body of the screw sleeve can easily enter the thread hole, and compared with the traditional steel wire screw sleeve, the body of the screw sleeve is more easily entered and is more convenient and fast to install.

[0010] 2. The torsion generated by the body of the screw sleeve is partly offset by the front end hook groove, and the other part is offset by the friction generated by the tapered guide structure at the front end, so that the problem of troublesome installation can be solved on the basis of the traditional screw sleeve, and the problem of small torsion of the tailless screw sleeve is also avoided, and the safety and reliability are improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 is a structural schematic view of the utility model;

[0012] Fig. 2 is a structural schematic view of the utility model from the top;

[0013] Fig. 3 is an axonometric view of the utility model.

[0014] In the drawing: 1, body of screw sleeve; 2, locking part; 3, hook groove; 4, locking ring; 5, inclined surface; 6, groove. DETAILED DESCRIPTION

[0015] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0016] Please refer to Figs. 1-3The utility model provides a technical scheme: A novel steel wire sleeve, including sleeve body 1 and locking portion 2, sleeve body 1 adopts steel wire winding, the upper end of sleeve body 1 is provided with conical guide structure, because conical guide structure makes the upper end of sleeve body 1 less than work piece wire hole inner diameter, makes sleeve body 1 very easy to enter wire hole, compared with traditional steel wire sleeve, it is easier to enter, and installation is more convenient and fast, the lower end of sleeve body 1 is column structure, locking portion 2 sets up in the middle part of sleeve body 1, locking portion 2 is set as irregular polygon structure, makes it form local elastic deformation when being stressed, improves the effect of anti-loosening, simultaneously avoids stress concentration, increases the life, the inboard of locking portion 2 is provided with recess 6, recess 6 forms microtooth structure on the inner edge of locking portion 2, increases the friction of screw thread, improves the anti-vibration and anti-loosening ability, the inboard of the upper end and the lower end of sleeve body 1 is provided with hook groove 3 respectively, when installing, the torsion of sleeve body 1 partly offsets by front hook groove 3, and the other part offsets by the friction of the conical guide structure of the front end, can solve the problem of troublesome installation on the basis of traditional sleeve, also avoids the problem of small torsion of tailless sleeve, is more safe and reliable, hook groove 3 is set as fishhook shape, can also increase self-lubricating coating, such as molybdenum disulfide coating, in the interior of sleeve body, reduces installation resistance, improves wear resistance, prolongs the life.

[0017] Locking portion 2 is set as irregular pentagonal structure, and the pentagonal structure is inscribed in the circular structure formed with sleeve body 1, locking portion 2 will be deformed when being connected with screw thread, plays the role of anti-loosening.

[0018] Locking portion 2 is provided with at least one circle.

[0019] The end of the upper end and the lower end of sleeve body 1 is set as inclined plane 5.

[0020] When using, when installing steel wire sleeve, using special installation wrench, the sleeve body 1 is rotated into the installation wrench, the hook of the installation wrench piece body hooks the steel wire sleeve front end fishhook groove, then is rotated into the screw hole, in the process of rotating, because of the conical guide structure, the sleeve body 1 is very easy to enter, in the process of rotating, the sleeve body 1 rear end outer diameter shrinks, under the friction of the sleeve body 1 front end and the core rod under the action of hook groove 3, the sleeve body 1 can bear greater torsional force, so that hook groove 3 is not damaged, installation is more convenient and fast, if needing to replace sleeve body 1, using special dismounting wrench, hooking the hook groove 3 of its tail part reversely rotates out, this process can install more efficiently and stably, and when taking out the sleeve body 1, can guarantee not to hurt the bottom hole.

[0021] The basic principle, main features and advantages of the utility model are shown and described above, under the premise of not departing from the spirit and scope of the utility model, the utility model has various changes and improvements, and these changes and improvements all fall into the range of the utility model claimed.

Claims

1. A novel wire thread insert, comprising an insert body (1) and a locking part (2), characterized in that: The threaded sleeve body (1) is made of steel wire. The upper end of the threaded sleeve body (1) is provided with a conical guide structure. The lower end of the threaded sleeve body (1) is a cylindrical structure. The locking part (2) is located in the middle of the threaded sleeve body (1). The locking part (2) is set as an irregular polygonal structure. The inner side of the locking part (2) is provided with a groove (6). The groove (6) forms a micro-tooth structure on the inner side of the locking part (2). The inner sides of the upper and lower ends of the threaded sleeve body (1) are respectively provided with hook grooves (3). The hook grooves (3) are set as fish hooks.

2. The novel wire thread insert according to claim 1, characterized in that: The locking part (2) is set as an irregular pentagonal structure, and the pentagonal structure is inscribed in the threaded sleeve body (1) to form a circular structure.

3. The novel wire thread insert according to claim 1, characterized in that: The locking part (2) has at least one ring.

4. A novel wire thread insert according to claim 1, characterized in that: The upper and lower ends of the threaded sleeve body (1) are set as inclined surfaces (5).

Images