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CN-224214539-U - Locknut fastener

CN224214539UCN 224214539 UCN224214539 UCN 224214539UCN-224214539-U

Abstract

The utility model discloses a locknut fastener which comprises a nut body, wherein a fixing hole is formed in the middle of the nut body, threads are arranged at the fixing hole, a fixing groove is formed in one end face of the nut body in the other end direction, one end of the fixing groove is communicated with the fixing hole, the other end of the fixing groove is positioned in the end face of the nut body, a through groove is formed in the groove wall of the fixing groove, which is far away from the fixing hole, in the direction, away from the fixing hole, the through groove is communicated with the outside of the nut body, a locktight structure is arranged in the fixing groove and the through groove, one end of the locktight structure is used for propping against a bolt connected with the nut body, and the other end of the locktight structure is limited on the nut body. The anti-loosening device is provided with the anti-loosening abutting piece for abutting the bolt, so that the nut and the bolt are further limited, the connection stability is guaranteed, the anti-loosening performance is improved, and meanwhile, the limiting plate and the elastic piece are arranged, so that the stability of the limiting plate is realized when the object to be fastened is abutted, and the stability of the whole structure is also guaranteed.

Inventors

  • MENG ZHAOWEN

Assignees

  • 扬州三劦紧固件有限公司

Dates

Publication Date
20260508
Application Date
20250623

Claims (6)

  1. 1. The utility model provides a locknut fastener, includes the nut body, and the fixed orifices has been seted up at nut body middle part, and fixed orifices department is equipped with the screw thread, a serial communication port, the fixed slot has been seted up towards other end direction to the one end of nut body, and fixed slot one end intercommunication is in the fixed orifices, and the other end is located nut body terminal surface, the cell wall that the fixed slot was kept away from to the fixed orifices is equipped with logical groove to keeping away from the fixed orifices direction, leads to the groove to communicate outside the nut body, fixed slot, logical inslot are equipped with locking tight structure, and locking tight structure one end is used for supporting the bolt that the nut body is connected, and the other end is spacing in the nut body.
  2. 2. The locknut fastener as claimed in claim 1, wherein the locknut structure comprises a tightening segment and a limiting segment, the tightening segment being disposed in the fixed slot, the limiting segment being inserted into the through slot.
  3. 3. The locknut fastener as claimed in claim 2, wherein a limit groove is formed in the edge of the end face of the nut body, where the fixing groove is formed, the through groove is communicated with the limit groove, and a limit plate is arranged in the limit groove and abuts against the limit section.
  4. 4. A locknut fastener as claimed in claim 3, wherein the end of the stop section adjacent the stop plate is provided with a resilient pad.
  5. 5. The locknut fastener as claimed in claim 4, wherein the limiting groove is provided with protrusions at both ends, and the limiting plate is provided with fixing portions which are engaged with the protrusions at both ends.
  6. 6. The locknut fastener as claimed in claim 5, wherein the length of the limiting plate is less than the length of the limiting groove, and an elastic member is disposed at an end of the limiting plate away from the nut body.

Description

Locknut fastener Technical Field The utility model relates to the technical field of nut fasteners, in particular to a locknut fastener. Background The nut is one of common fasteners and is generally matched with a bolt for use, the problem of connection looseness caused by vibration also exists in the process of connecting the nut and the bolt, in order to solve the problem, the Chinese patent application No. 202322540576.4 discloses a high-wear-resistance bolt fastener, which is characterized in that a T-shaped block is arranged on the nut and is clamped with a clamping groove arranged on the bolt, so that the connection stability of the nut and the bolt is ensured to be loose, but the connecting position of the nut and the bolt in the structure is matched with the position where the clamping groove is arranged, the thickness of a connected object is accurately required, and the problem of lower applicability exists. Disclosure of utility model The utility model aims to provide a nut fastener with good anti-loosening effect, which is commonly used, aiming at the defects in the background technology. In order to achieve the above purpose, the utility model provides a locknut fastener, which adopts the following technical scheme: The utility model provides a locknut fastener, includes the nut body, and the fixed orifices has been seted up at nut body middle part, and fixed orifices department is equipped with the screw thread, a serial communication port, the fixed slot has been seted up towards other end direction to the one end of nut body, and fixed slot one end intercommunication is in the fixed orifices, and the other end is located nut body terminal surface, the cell wall that the fixed slot was kept away from to the fixed orifices is equipped with logical groove to keeping away from the fixed orifices direction, leads to the groove to communicate outside the nut body, fixed slot, logical inslot are equipped with locking tight structure, and locking tight structure one end is used for supporting the bolt that the nut body is connected, and the other end is spacing in the nut body. The utility model relates to a further improvement of a locknut fastener, which is characterized in that a locking and propping structure comprises a propping section and a limiting section, wherein the propping section is arranged in a fixing groove, and the limiting section is inserted into a through groove. The utility model relates to a further improvement of a locknut fastener, which is characterized in that a limit groove is formed in the edge of the end face of a nut body, which is provided with a fixing groove, the through groove is communicated with the limit groove, a limit plate is arranged in the limit groove, and the limit plate props against a limit section. The utility model relates to a further improvement of a locknut fastener, which is characterized in that an elastic pad is arranged at one end of a limiting section, which is close to a limiting plate. The utility model relates to a further improvement of a locknut fastener, which is characterized in that protruding parts are arranged at two ends of a limiting groove, and fixing parts which are clamped into the protruding parts are arranged at two ends of a limiting plate. The utility model relates to a further improvement of a locknut fastener, which is characterized in that the length of a limiting plate is smaller than that of a limiting groove, and an elastic piece is arranged at one end of the limiting plate, which is far away from a nut body. Compared with the prior art, the utility model has the beneficial effects that: The anti-loosening device is provided with the anti-loosening abutting piece for abutting the bolt, so that the nut and the bolt are further limited, the connection stability is guaranteed, the anti-loosening performance is improved, and meanwhile, the limiting plate and the elastic piece are arranged, so that the stability of the limiting plate is realized when the object to be fastened is abutted, and the stability of the whole structure is also guaranteed. Drawings FIG. 1 is a schematic diagram of the structure of the present utility model; FIG. 2 is a schematic side view of the structure of FIG. 1; in the figure, a nut body 1, a fixing hole 2, a fixing groove 3, a through groove 4, a tightening section 5, a limiting section 6, a limiting groove 7 and a protruding part 8 are arranged. Detailed Description The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. As shown in fig. 1 and 2, a locknut