Locking nut for automobile part grooving device
By designing a locking nut with a limiting groove and an inclined plate structure, the loosening problem caused by vibration was solved, the locking effect was enhanced, and the stability of the grooving equipment was ensured.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-23
- Publication Date
- 2026-03-27
AI Technical Summary
During the grooving operation of automotive parts, vibration can cause the locking nuts to loosen and fall off, affecting the normal use of the grooving equipment.
A locking nut was designed, comprising a limiting groove, a fixing plate, a limiting rod, a limiting plate, a spring, and a slanted plate structure. The friction between the locking nut and the bolt is increased by the mutual pressing of the slanted plates and the rotation of the threaded rod, thus preventing loosening.
It effectively prevents the locking nut from loosening due to vibration, improves the locking effect, and ensures the stable operation of the grooving equipment.
Smart Images

Figure CN224049536U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to locking nut technical field, concretely is a locking nut for automobile parts slotting device. BACKGROUND
[0002] Locking nut is applied to nut of industry such as machinery, its working principle is through the friction between nut and bolt and is locked, they can be used in the fixing of two or more than two joint parts, and it brings huge convenience to mechanical industry in the process of connection assembly.
[0003] Automobile parts need to carry out slotting operation in the process of processing, and slotting operation can produce vibration, and vibration can cause nut to gradually loosen, and the locking nut on the slotting machine is prone to falling off, which affects the normal use of slotting equipment. UTILITY MODEL CONTENT
[0004] In view of the deficiency of prior art, the utility model provides a locking nut for automobile parts slotting device, solves the problem that vibration can cause nut to gradually loosen and the locking nut on the slotting machine is prone to falling off.
[0005] To realize above -mentioned purpose, the utility model is realized through following technical scheme: a locking nut for automobile parts slotting device, including locking nut, the top of locking nut is equipped with a plurality of limiting slot, the bottom of limiting slot inner chamber is fixedly connected with fixed plate, the opposite side of a plurality of fixed plates is connected with limiting rod through opening, one end of limiting rod is fixedly connected with limiting plate, the side away from fixed plate of limiting plate is fixedly connected with limiting pad, the surface of limiting rod and between fixed plate and limiting plate spring is equipped with, the other end of limiting rod is fixedly connected with upper inclined plane plate.
[0006] Preferably, the upper inclined plane plate is provided with a lower inclined plane plate, and the top of the lower inclined plane plate is fixedly connected with a connecting plate.
[0007] Preferably, the top of the connecting plate is fixedly connected with a ring plate, and the top of the locking nut is provided with two circular grooves.
[0008] Preferably, the bottom of the circular groove inner cavity on the left side is rotatably connected with a threaded rod through a bearing, one end of the threaded rod penetrates the ring plate and extends above the ring plate, and a threaded hole matched with the threaded rod is formed in one side of the top of the ring plate.
[0009] Preferably, the bottom of the left circular groove is fixedly connected with a sliding rod, one end of the sliding rod penetrates through the annular plate and extends above the annular plate, and a sliding hole matched with the sliding rod is formed in the other side of the top of the annular plate.
[0010] Preferably, the opposite side of each of the plurality of limiting pads is fixedly installed with a plurality of threaded strips, and the end of the threaded rod is fixedly connected with a handle. Beneficial effects
[0011] The utility model provides a locking nut for automobile parts slotting device, has the following beneficial effects compared with prior art:
[0012] (1) the utility model discloses a locking nut is rotated and is covered on the bolt, and a plurality of upper inclined surface plates are pushed inwards, and a plurality of limiting rods are moved inwards simultaneously, and a plurality of limiting plates are moved inwards, and a plurality of limiting plates are extruded to the bolt through limiting pad, can good increase the friction between locking nut and bolt, effectively prevent the loosening of locking nut due to vibration, improve the fastening effect of locking nut on the bolt.
[0013] (2) the utility model discloses the annular plate is moved down through rotating threaded rod, and the annular plate will drive a plurality of connecting plates to move down, and the connecting plate will drive the lower inclined surface plate to extrude the upper inclined surface plate downwards, and the lower inclined surface plate will push the upper inclined surface plate to move inwards, and a plurality of upper inclined surface plates will drive a plurality of limiting pads to move inwards simultaneously and extrude the bolt through the limiting rod, and the operation is more convenient. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the external structure schematic diagram of the utility model;
[0015] Figure 2 It is the internal structure schematic diagram of the utility model locking nut, circular groove, threaded rod and sliding rod;
[0016] Figure 3 It is the internal structure schematic diagram of the utility model locking nut, limiting groove, fixed plate, limiting pad and threaded strip;
[0017] Figure 4 It is the structure schematic diagram of the utility model fixed plate, limiting rod, limiting plate, spring, limiting pad, upper inclined surface plate, lower inclined surface plate and connecting plate.
[0018] In the drawing: 1, locking nut;2, limiting groove;3, fixed plate;4, limiting rod;5, limiting plate;6, spring;7, limiting pad;8, upper inclined surface plate;9, lower inclined surface plate;10, connecting plate;11, annular plate;12, circular groove;13, threaded rod;14, sliding rod;15, threaded strip;16, handle. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model.
[0020] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a locking nut for automobile parts grooving device, including locking nut 1, the top of locking nut 1 is equipped with several limit slots 2, the bottom of limit slot 2 inner cavity is fixedly connected with fixed plate 3, the opposite side of several fixed plates 3 is slidably connected with limit rod 4 by being equipped with opening, one end of limit rod 4 is fixedly connected with limit pad 5, the side of limit pad 5 away from fixed plate 3 is fixedly connected with limit pad 7, limit pad 7 and threaded strip 15 are all rubber material, the surface of limit rod 4 and between fixed plate 3 and limit pad 5 spring 6 is equipped with, the other end of limit rod 4 is fixedly connected with upper inclined plane plate 8.
[0021] Further, in order to move multiple limit pads 7 simultaneously and press the bolt, an upper inclined plane plate 8 is provided above the upper inclined plane plate 8, and the inclined surfaces of the upper inclined plane plate 8 and the lower inclined plane plate 9 are smooth surfaces. The top of the lower inclined plane plate 9 is fixedly connected with a connecting plate 10, the top of the connecting plate 10 is fixedly connected with a ring plate 11, two circular grooves 12 are formed in the top of the locking nut 1, a threaded rod 13 is rotatably connected to the bottom of the left circular groove 12 through a bearing, one end of the threaded rod 13 penetrates through the ring plate 11 and extends above the ring plate 11, a threaded hole is formed in one side of the top of the ring plate 11, which is matched with the threaded rod 13, a sliding rod 14 is fixedly connected to the bottom of the left circular groove 12, one end of the sliding rod 14 penetrates through the ring plate 11 and extends above the ring plate 11, and a sliding hole is formed in the other side of the top of the ring plate 11, which is matched with the sliding rod 14.
[0022] Further, in order to increase the friction force on the bolt, several threaded strips 15 are fixedly installed on the opposite side of each limit pad 7.
[0023] Further, in order to facilitate the rotation of the threaded rod 13, a handle 16 is fixedly connected to the end of the threaded rod 13.
[0024] In use, the locking nut 1 is rotated on the bolt, and the handle 16 is rotated to drive the threaded rod 13 to rotate, the sliding rod 14 is used to slide and limit the annular plate 11, the threaded rod 13 drives the annular plate 11 to move downward, the annular plate 11 drives the plurality of connecting plates 10 to move downward, the connecting plates 10 drive the lower inclined plate 9 to move downward, the lower inclined plate 9 drives the connecting plates 10 to move downward, the inclined surface of the lower inclined plate 9 extrudes the inclined surface of the upper inclined plate 8, the plurality of lower inclined plates 9 push the plurality of upper inclined plates 8 to move toward the middle, the plurality of upper inclined plates 8 drive the plurality of limiting plates 5 to move toward the middle through the limiting rod 4, the plurality of limiting plates 5 extrude the bolt through the plurality of limiting pads 7, the threaded strips 15 on the limiting pads 7 are embedded in the threaded grooves of the bolt, the plurality of limiting pads 7 limit the bolt, and the fastening effect of the locking nut 1 and the bolt is increased;
[0025] When it is necessary to rotate the locking nut 1 away from the bolt, the handle 16 is reversely rotated to drive the threaded rod 13 to reversely rotate, the threaded rod 13 drives the annular plate 11 to move upward, the annular plate 11 drives the lower inclined plate 9 to move upward through the connecting plate 10, the lower inclined plate 9 no longer extrudes the upper inclined plate 8, the limiting rod 4 is driven by the spring 6 to move outward, the limiting rod 4 drives the limiting pad 7 on the limiting plate 5 to move outward, and the plurality of limiting pads 7 no longer extrude the bolt, so that the locking nut 1 is rotated away from the bolt.
Claims
1. A locking nut for a slotting device for automobile parts, comprising a locking nut (1), characterized in that: The top of the locking nut (1) is provided with a plurality of limiting grooves (2), the bottom of the inner cavity of the limiting groove (2) is fixedly connected with a fixed plate (3), the opposite side of a plurality of fixed plates (3) is slidably connected with a limiting rod (4) by opening an opening, one end of the limiting rod (4) is fixedly connected with a limiting plate (5), the side away from the fixed plate (3) of the limiting plate (5) is fixedly connected with a limiting pad (7), the surface of the limiting rod (4) and between the fixed plate (3) and the limiting plate (5) is sleeved with a spring (6), the other end of the limiting rod (4) is fixedly connected with an upper inclined plate (8).
2. A locking nut for a slotting device for automotive parts as claimed in claim 1, wherein: The upper side of the upper inclined plate (8) is provided with a lower inclined plate (9), the top of the lower inclined plate (9) is fixedly connected with a connecting plate (10).
3. A locking nut for a slotting device for automotive parts as claimed in claim 2, wherein: The top of a plurality of connecting plates (10) is fixedly connected with an annular plate (11), the top of the locking nut (1) is provided with two circular grooves (12).
4. A locking nut for a slotting device for automotive parts as claimed in claim 3, wherein: The bottom of the inner cavity of the circular groove (12) on the left side is rotatably connected with a threaded rod (13) through a bearing, one end of the threaded rod (13) penetrates through the annular plate (11) and extends above the annular plate (11), one side of the top of the annular plate (11) is provided with a threaded hole matched with the threaded rod (13).
5. A locking nut for a slotting device for automotive parts as claimed in claim 3, wherein: The bottom of the inner cavity of the circular groove (12) on the left side is fixedly connected with a sliding rod (14), one end of the sliding rod (14) penetrates through the annular plate (11) and extends above the annular plate (11), the other side of the top of the annular plate (11) is provided with a sliding hole matched with the sliding rod (14).
6. A locking nut for a slotting device for automotive parts as claimed in claim 4, wherein: The opposite side of a plurality of limiting pads (7) is fixedly installed with a plurality of threaded strips (15), the end of the threaded rod (13) is fixedly connected with a handle (16).