CN217355154U

CN217355154U - Integrated bidirectional 30-degree tooth-variable anti-falling nut

Info

Publication number: CN217355154U
Application number: CN202220143872.3U
Authority: CN
Inventors: 张荣昌
Original assignee: Zhejiang Yilu Metal Products Co ltd
Current assignee: Zhejiang Yilu Metal Products Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-09-02
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses an integral two-way 30-degree tooth-changing type anti-drop nut, which comprises a nut main body, wherein the outer side wall of the nut main body is fixedly connected with a positioning ring, a plurality of arc-shaped clamping plates are rotatably arranged on the inner surface of the positioning ring, a plurality of through holes corresponding to the positions of the arc-shaped clamping plates are arranged on the side wall of the positioning ring, and a plurality of holding clamping teeth are fixedly connected on the inner surface of the arc-shaped clamping plates; the outer surface of the positioning ring is sleeved with a movable ring in a sliding mode. The utility model discloses a nut main part, holding ring, arc cardboard, hold latch tightly, the loose ring, mutually support between first wedge and the second wedge, behind nut main part screw in bolt, rotate the loose ring, the loose ring drives first wedge and supports the second wedge tightly, recycle locking Assembly with loose ring rigidity for hold latch tightly and support tightly with the bolt, the not hard up risk that drops even of nut main part that can significantly reduce like this, structural stability is strong, reduces the potential safety hazard.

Description

Integrated bidirectional 30-degree tooth-variable anti-falling nut

Technical Field

The utility model relates to a nut technical field especially relates to two-way 30 of integral type become tooth type anti-drop nut.

Background

The nut is also called as a nut, is a fixing tool, has a hole in the center, is provided with threads on the inner side of the hole, is often used with screws with the same size to fix relevant joint parts, mainly comprises carbon steel, stainless steel, nonferrous metal and the like, and is widely applied in modern production and life.

Because the connection of nut and bolt is especially long-term in the long-term use work in the vibration environment, often because mechanical vibration, perhaps under the effect of stress, the not hard up problem easily appears in the junction of nut and bolt to make the nut drop from the bolt, there is the potential safety hazard, still can lead to the production accident when serious, structural overall stability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the nut in the prior art is easy to loosen or even fall off due to reasons such as vibration or stress action in the long-term use process, and providing the integral type two-way 30-degree variable tooth type anti-falling nut.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the integrated bidirectional 30-degree tooth-changing type anti-falling nut comprises a nut main body, wherein the outer side wall of the nut main body is fixedly connected with a positioning ring, a plurality of arc-shaped clamping plates are rotatably arranged on the inner surface of the positioning ring, a plurality of through holes corresponding to the arc-shaped clamping plates are formed in the side wall of the positioning ring, and a plurality of holding clamping teeth are fixedly connected to the inner surface of each arc-shaped clamping plate; the holding ring surface slides and has cup jointed the activity ring, a plurality of first wedges of activity ring inside wall fixedly connected with, a plurality of second wedges that contact with first wedge of arc cardboard surface fixedly connected with, be equipped with the locking Assembly who is used for fixed activity ring position between activity ring and the holding ring.

As a further description of the above technical solution:

the inner surface of the positioning ring is fixedly connected with a plurality of vertical rods, a pin shaft is rotatably connected between every two vertical rods, and the arc-shaped clamping plates are fixedly sleeved on the outer surface of the pin shaft.

As a further description of the above technical solution:

the inner diameter of the positioning ring is larger than that of the nut main body.

As a further description of the above technical solution:

a plurality of mounting posts are fixedly connected to the inner surface of the movable ring, a plurality of movable grooves are formed in the outer surface of the positioning ring, and the mounting posts are connected to the inner side walls of the corresponding movable grooves in a sliding mode.

As a further description of the above technical solution:

the locking assembly comprises a positioning rod which penetrates through the movable ring and is in threaded connection with the movable ring, a threaded hole corresponding to the positioning rod is formed in the side wall of the movable ring, and a threaded groove matched with the positioning rod is formed in the outer surface of the positioning ring.

As a further description of the above technical solution:

the contact surfaces of the first wedge-shaped block and the second wedge-shaped block are both arc-shaped.

The utility model discloses following beneficial effect has:

compared with the prior art, this two-way 30 of integral type become tooth type anti-drop nut, through the nut main part, the holding ring, the arc cardboard, hold the latch tightly, the loose ring, mutually support between first wedge and the second wedge, behind the nut main part screw in bolt, rotate the loose ring, the loose ring drives first wedge and supports the second wedge tightly, it is fixed with the loose ring position to recycle locking Assembly, make hold the latch tightly and support tightly with the bolt, the not hard up risk that drops even of nut main part that can significantly reduce like this, structural stability is strong, reduce the potential safety hazard.

Drawings

Fig. 1 is a first view structural diagram of the integrated bidirectional 30-degree tooth-varying anti-drop nut provided by the present invention;

fig. 2 is a second view structure diagram of the integrated bidirectional 30-degree tooth-varying anti-drop nut provided by the present invention;

fig. 3 is a bottom view of the integrated two-way 30-degree tooth-varying anti-drop nut provided by the present invention;

fig. 4 is a schematic structural view of a positioning ring in the integrated bidirectional 30-degree tooth-varying anti-drop nut of the present invention;

fig. 5 is a schematic structural view of the integrated two-way 30-degree tooth-variable anti-drop nut middle movable ring.

Illustration of the drawings:

1. a nut body; 2. a positioning ring; 3. an arc-shaped clamping plate; 4. clasping the latch; 5. a movable ring; 6. a first wedge block; 7. a second wedge block; 8. erecting a rod; 9. mounting a column; 10. a movable groove; 11. positioning a rod; 12. a threaded hole; 13. a thread groove; 14. a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model provides a two-way 30 of integral type become tooth type anti-drop nut: including nut

main part

1, 1 lateral wall fixedly connected with holding ring 2 of nut main part, 2 internal diameters of holding ring are greater than 1 internal diameter of nut main part, like this after 1 screw in bolt of nut main part, 2 covers of holding ring are established on the bolt and not contact with the bolt, 2 internal surface of holding ring rotate and install a plurality of

arc cardboards

3, 2 internal surface fixedly connected with of holding ring have a plurality of pole settings 8, it is connected with the round pin axle to rotate between two upper and lower adjacent pole settings 8, arc cardboard 3 is fixed to be cup jointed at round pin off-axial surface.

The side wall of the positioning ring 2 is provided with a plurality of through holes 14 corresponding to the arc-shaped clamping plates 3, and the inner surfaces of the arc-shaped clamping plates 3 are fixedly connected with a plurality of tightly-holding clamping teeth 4; 2 outer surface sliding sleeves of holding ring has had

loose ring

5, and 5 internal surface fixedly connected with of loose ring have a plurality of erection columns 9, and a plurality of activity grooves 10 have been seted up to 2 outer surfaces of holding ring, and 9 sliding connection of erection column are on corresponding activity groove 10 inside walls, utilize the removal of erection column 9 in activity groove 10 to guarantee the stability when loose ring 5 removes.

Wherein, the inner side wall of the movable ring 5 is fixedly connected with a plurality of first wedge-shaped blocks 6, the outer surface of the arc-shaped clamping plate 3 is fixedly connected with a plurality of second wedge-shaped blocks 7 which are contacted with the first wedge-shaped blocks 6, the contact surfaces of the first wedge-shaped blocks 6 and the second wedge-shaped blocks 7 are all arranged in an arc shape, as shown in fig. 3, thus when the movable ring 5 drives each first wedge-shaped block 6 to rotate, the first wedge-shaped blocks 6 can move along the second wedge-shaped blocks 7 and extrude the second wedge-shaped blocks 7, so that the arc-shaped clamping plate 3 moves towards the inner side close to the positioning ring 2, a locking component for fixing the position of the movable ring 5 is arranged between the movable ring 5 and the positioning ring 2, the locking component comprises a positioning rod 11 which penetrates through the movable ring 5 and is in threaded connection with the movable ring 5, the side wall of the movable ring 5 is provided with a threaded hole 12 corresponding to the positioning rod 11, the outer surface of the positioning ring 2 is provided with a threaded groove 13 which is matched with the positioning rod 11, after the positioning rod 11 is partially inserted into the threaded groove 13, the movable ring 5 can be positioned to prevent the movable ring 5 from moving again.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

rotate nut main part 1 during the use with the corresponding bolt of 1 screw in of nut main part, then rotate loose ring 5, loose ring 5 drives first wedge 6 and removes along second wedge 7, first wedge 6 extrudees second wedge 7 makes second wedge 7 drive arc cardboard 3 and remove toward the bolt direction, hold tight latch 4 and bolt to tightly on the arc cardboard 3 up to, threaded hole 12 corresponds with the position of thread groove 13 this moment, rotate each locating lever 11 in proper order, with locating lever 11 threaded connection to threaded

hole

12 and 13 inboards of thread groove, with the rigidity of loose ring 5, arc cardboard 3 supports tightly holding the latch 4 cooperation with holding tight latch 2 and nut main part 1 on the bolt this moment, the problem that nut main part 1 that can significantly reduce becomes flexible or drops because of vibration or stress effect appears like this.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. Two-way 30 of integral type become tooth type anti-drop nut, including nut main part (1), its characterized in that: the outer side wall of the nut main body (1) is fixedly connected with a positioning ring (2), a plurality of arc-shaped clamping plates (3) are rotatably arranged on the inner surface of the positioning ring (2), a plurality of through holes (14) corresponding to the arc-shaped clamping plates (3) in position are formed in the side wall of the positioning ring (2), and a plurality of holding clamping teeth (4) are fixedly connected on the inner surface of the arc-shaped clamping plates (3); holding ring (2) surface slides and has cup jointed activity ring (5), a plurality of first wedge (6) of activity ring (5) inside wall fixedly connected with, arc cardboard (3) surface fixedly connected with a plurality of second wedge (7) that contact with first wedge (6), be equipped with the locking Assembly who is used for fixed activity ring (5) position between activity ring (5) and holding ring (2).

2. The integrated bidirectional 30-degree tooth-change type anti-drop nut as claimed in claim 1, wherein: a plurality of vertical rods (8) are fixedly connected to the inner surface of the positioning ring (2), a pin shaft is rotatably connected between every two adjacent vertical rods (8), and the arc-shaped clamping plate (3) is fixedly sleeved on the outer surface of the pin shaft.

3. The integrated two-way 30-degree tooth-changing type anti-drop nut according to claim 1, characterized in that: the inner diameter of the positioning ring (2) is larger than that of the nut body (1).

4. The integrated two-way 30-degree tooth-changing type anti-drop nut according to claim 1, characterized in that: a plurality of erection columns (9) of activity ring (5) internal surface fixedly connected with, a plurality of activity grooves (10) have been seted up to holding ring (2) surface, erection column (9) sliding connection is in corresponding on activity groove (10) inside wall.

5. The integrated bidirectional 30-degree tooth-change type anti-drop nut as claimed in claim 1, wherein: locking Assembly is including running through activity ring (5) and with activity ring (5) threaded connection's locating lever (11), screw hole (12) corresponding with locating lever (11) are seted up to activity ring (5) lateral wall, thread groove (13) with locating lever (11) looks adaptation are seted up to holding ring (2) surface.

6. The integrated two-way 30-degree tooth-changing type anti-drop nut according to claim 1, characterized in that: the contact surfaces of the first wedge-shaped block (6) and the second wedge-shaped block (7) are both arc-shaped.