CN212615835U

CN212615835U - Slotted flange locknut

Info

Publication number: CN212615835U
Application number: CN202020942478.7U
Authority: CN
Inventors: 张建生
Original assignee: Jiaxing Jiansheng Hardware Technology Co Ltd
Current assignee: Jiaxing Jiansheng Hardware Technology Co Ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-02-26
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a fluting flange lock nut, including hexagon nut body and flange board, the bottom surface at the hexagon nut body is fixed to the flange board, the central authorities of hexagon nut body and flange board link up and are equipped with the screw hole, the top surface of hexagon nut body just is located and is equipped with the annular flange outside the screw hole, it is equipped with a plurality of grooving to surround the screw hole on the annular flange, the axis of grooving is crossing with the axis of screw hole, the flange that a plurality of interval set up is separated into to the annular flange with the grooving, the outer wall left and right sides of flange is equipped with first notch and the second notch of intercommunication both sides grooving respectively, and the security is high, and stability is strong.

Description

Slotted flange locknut

Technical Field

The utility model relates to a technical field of nut, especially a slotted flange locknut's technical field.

Background

The slotted nut is specially used for being matched with a bolt with a hole at the tail end of the screw rod. The groove is processed above the hexagonal nut, so that the cotter pin can be inserted into the hole of the screw rod from the groove of the nut, the nut is prevented from being automatically loosened, and the nut is mainly used for occasions with vibration load or alternating load. Referring to fig. 6, the installation mode of the traditional cotter pin in the slotted nut is that two halves are separated, the end of the cotter pin is exposed, and a scratch-prone point a exists, so that people can easily hang the cotter pin, and the split cotter pin is unsafe and needs to be solved urgently.

Disclosure of Invention

The utility model discloses an aim at solving the problem among the prior art, provide a fluting flange lock nut, the security is high, and stability is strong.

For realizing the above-mentioned purpose, the utility model provides a fluting flange lock nut, including hexagon nut body and flange board, the bottom surface at the hexagon nut body is fixed to the flange board, the central authorities of hexagon nut body and flange board link up and are equipped with the screw hole, the top surface of hexagon nut body just is located and is equipped with the annular flange outside the screw hole, it is equipped with a plurality of grooving to surround the screw hole on the annular flange, the axis of grooving is crossing with the axis of screw hole, the flange that a plurality of interval set up is separated into to the annular flange to the grooving, the outer wall left and right sides of flange is equipped with the first notch and the second notch of intercommunication both sides grooving respectively.

Preferably, the side of the flange plate is provided with a through hole, the central axis of the through hole is intersected with the central axis of the threaded hole, and the side of the flange plate, which is positioned at the left side and the right side of the through hole, is provided with a first blind hole and a second blind hole respectively.

Preferably, the hole wall openings of the first blind hole and the second blind hole are provided with convex walls, and the inner diameters of the convex walls are gradually reduced from the outside of the hole to the inside of the hole.

Preferably, the connection part of the inner walls of the first blind hole and the second blind hole and the convex wall is provided with an inclined notch.

Preferably, the bottom surface of the flange plate is provided with an annular groove, and an annular magnet ring is embedded and fixed in the annular groove.

Preferably, the inner wall of the first notch is provided with a rough texture.

Preferably, the width of the cutting groove is gradually reduced from the outside to the inside.

The utility model has the advantages that: the first notch and the second notch which are communicated with the grooves on the two sides are respectively arranged on the left side and the right side of the outer wall of the convex plate, so that the end heads of the first split pin can be respectively overlapped into the notches after the two halves are separated, the end head of the first split pin is effectively prevented from being exposed, and the safety is improved; the inner walls of the first notch and the second notch are provided with rough grains, so that the friction force is increased, and the stability between the first split pin and the nut is improved; the flange plate is provided with the through hole, the first blind hole and the second blind hole, and the through hole, the first blind hole and the second blind hole are matched with the second cotter pin for use, so that the connection strength between the nut and the bolt is further increased; the convex walls are respectively arranged at the openings of the first blind hole and the second blind hole, so that the end head of the second cotter pin is effectively prevented from falling off; the bottom surface of the flange plate is provided with the annular magnet ring, so that the shock resistance of the nut is effectively improved.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

Drawings

Fig. 1 is a front view of a slotted flange locknut of the present invention;

fig. 2 is a top view of the slotted flange locknut of the present invention;

fig. 3 is a bottom view of the locking nut of the grooved flange of the present invention;

fig. 4 is a cross-sectional view of a first blind hole of a slotted flange locknut of the present invention;

fig. 5 is an assembly view of the locking nut of the slotted flange of the present invention;

fig. 6 is an assembly view of a prior art slotted nut.

In the figure: the manufacturing method comprises the following steps of 1-hexagonal nut body, 2-flange plate, 21-through hole, 22-first blind hole, 23-second blind hole, 24-convex wall, 25-oblique notch, 26-annular groove, 27-annular magnet ring, 3-annular flange, 31-cutting groove, 32-convex plate, 321-first notch, 322-second notch, 4-threaded hole, 5-bolt, 6-first notch pin, 7-second notch pin, 8-to-be-fixed piece and a-easy-scraping point.

Detailed Description

Referring to fig. 1 to 5, the utility model relates to a slotted flange locknut, including hexagon nut body 1 and flange board 2, flange board 2 is fixed in hexagon nut body 1's bottom surface, hexagon nut body 1 and flange board 2's central authorities link up and are equipped with screw hole 4, hexagon nut body 1's top surface just is located and is equipped with annular flange 3 outside screw hole 4, it is equipped with a plurality of grooving 31 to surround screw hole 4 on the annular flange 3, grooving 31's axis intersects with screw hole 4's axis, grooving 31 separates annular flange 3 into the flange 32 that a plurality of interval set up, the outer wall left and right sides of flange 32 is equipped with first notch 321 and the second notch 322 of intercommunication both sides grooving 31 respectively, flange board 2's side is equipped with through-hole 21, through-hole 21's axis intersects with screw hole 4's axis, flange board 2's side just is located through-hole 21's the left and right sides and is equipped with first blind hole 22 and second blind notch 322 respectively Hole 23, the pore wall opening part of first blind hole 22 and second blind hole 23 is equipped with protruding wall 24, the internal diameter of protruding wall 24 reduces gradually from the hole is outer towards downthehole, the inner wall of first blind hole 22 and second blind hole 23 and the junction of protruding wall 24 are equipped with scarf 25, the bottom surface of flange board 2 is equipped with annular groove 26, the embedded annular magnet circle 27 that is fixed with of annular groove 26, be equipped with coarse line on the inner wall of first notch 321, the width of grooving 31 reduces gradually from outside to inside.

The utility model discloses the working process:

the nut is screwed to the bolt 5 in the direction of the flange plate 2 towards the part 8 to be fastened. Subsequently, the first cotter pin 6 is passed through the prepared hole of the bolt 5 along the slot 31, extended from the slot 31 on the other side, and the first cotter pin 6 is divided into two halves, so that the end corners of the two halves are bent and overlapped into the first notch 321 and the second notch 322 on the left and right sides of the slot 31, respectively. Then, the second cotter pin 7 is passed through another prefabricated hole of the bolt 5 along the through hole 21, and then the two halves of the second cotter pin 7 are separated, so that the end angles of the two halves are bent and inserted into the first blind hole 22 and the second blind hole 23 positioned at the left and right sides of the through hole 21, and the assembly is completed.

The first notch and the second notch which are communicated with the grooves on the two sides are respectively arranged on the left side and the right side of the outer wall of the convex plate, so that the end heads of the first split pin can be respectively overlapped into the notches after the two halves are separated, the end head of the first split pin is effectively prevented from being exposed, and the safety is improved; the inner walls of the first notch and the second notch are provided with rough grains, so that the friction force is increased, and the stability between the first split pin and the nut is improved; the flange plate is provided with the through hole, the first blind hole and the second blind hole, and the through hole, the first blind hole and the second blind hole are matched with the second cotter pin for use, so that the connection strength between the nut and the bolt is further increased; the convex walls are respectively arranged at the openings of the first blind hole and the second blind hole, so that the end head of the second cotter pin is effectively prevented from falling off; the bottom surface of the flange plate is provided with the annular magnet ring, so that the shock resistance of the nut is effectively improved.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. The utility model provides a slotted flange locknut which characterized in that: including hexagon nut body (1) and flange board (2), the bottom surface at hexagon nut body (1) is fixed in flange board (2), the central authorities of hexagon nut body (1) and flange board (2) link up and are equipped with screw hole (4), the top surface of hexagon nut body (1) just is located screw hole (4) outside and is equipped with annular flange (3), it is equipped with a plurality of grooving (31) to surround screw hole (4) on annular flange (3), the axis of grooving (31) is crossing with the axis of screw hole (4), protruding board (32) that a plurality of interval set up are separated into annular flange (3) in grooving (31), the outer wall left and right sides of protruding board (32) is equipped with first notch (321) and second notch (322) that communicate both sides grooving (31) respectively.

2. The slotted flange locknut of claim 1, wherein: the side of flange board (2) is equipped with through-hole (21), the axis of through-hole (21) intersects with the axis of screw hole (4), the side of flange board (2) and the left and right sides that is located through-hole (21) are equipped with first blind hole (22) and second blind hole (23) respectively.

3. The slotted flange locknut of claim 2, wherein: the opening parts of the hole walls of the first blind hole (22) and the second blind hole (23) are provided with convex walls (24), and the inner diameter of each convex wall (24) is gradually reduced from the outside of the hole to the inside of the hole.

4. A slotted flange locknut as defined in claim 3, wherein: the connection part of the inner walls of the first blind hole (22) and the second blind hole (23) and the convex wall (24) is provided with an inclined notch (25).

5. The slotted flange locknut of claim 1, wherein: the bottom surface of flange board (2) is equipped with annular groove (26), annular magnet circle (27) are fixed in embedding in annular groove (26).

6. The slotted flange locknut of claim 1, wherein: the inner wall of the first notch (321) is provided with rough grains.

7. The slotted flange locknut of claim 1, wherein: the width of the cutting groove (31) is gradually reduced from outside to inside.