CN218670135U

CN218670135U - Thread toothed anti-drop internal and external thread nut

Info

Publication number: CN218670135U
Application number: CN202223149977.9U
Authority: CN
Inventors: 陈嘉川; 王荣超
Original assignee: DONGGUAN CHUANYANG HARDWARE PRODUCT CO LTD
Current assignee: DONGGUAN CHUANYANG HARDWARE PRODUCT CO LTD
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-03-21
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses tooth line takes tooth anti-drop inside and outside tooth nut belongs to nut technical field, the power nut comprises a nut, hexagonal mouth has been seted up on the nut surface, the inside internal thread hole of having seted up of nut, the nut surface is provided with the outer tooth of a plurality of, nut surface edge encircles and has seted up four first openings, the inside slip of first opening is pegged graft there is the ejector pin, the outer wall that the nut is close to hexagonal mouth encircles and has seted up four second openings. The beneficial effects of the utility model are that, a plurality of outer teeth of nut surface can improve and the fastness between the pre-buried hole, thereby avoid the nut to take place not hard up, after the nut installation targets in place, four ejector pins on accessible hammering nut surface, make the ejector pin along first opening inwardly moved, promote the lock pin simultaneously and extend along the second opening outwards, thereby pierce inside the work piece, so that further fix the nut on the work piece, its process has improved the installation stability of nut greatly, guarantees its safety in utilization.

Description

Thread toothed anti-drop internal and external thread nut

Technical Field

The utility model relates to a nut technical field specifically is interior outer tooth nut of tooth line tooth anti-drop.

Background

The connection between traditional anchor clamps material uses self tapping type screw usually, but the material structure of screw connection position can be destroyed when using self tapping type screw to connect, and the connecting hole atress is out of shape easily when leading to long-term the use leads to corresponding position life-span to reach the expectation, and in order to solve above-mentioned problem, the mode commonly used at present is pre-buried inside and outside tooth nut, utilizes inside and outside tooth nut to improve holistic frictional force, cushions bolted connection to the destruction of surrounding structure.

Application No.: 202020118311.9; the utility model discloses an inside and outside tooth rivet nut, including nut head and nut pole portion, nut pole portion one end coupling nut head, the nut pole portion other end is opened there is the hole, nut pole portion is the two-stage echelonment, and first half riveting deformation zone cross section of pole portion is regular hexagon, nut pole portion lower half design has the external screw thread, and first half deformation zone cross section of hole is the hexagon, and the design of hole lower half has the internal thread. The utility model discloses nut pole portion is the two-stage echelonment, and first half riveting deformation district cross section of nut pole portion is regular hexagon, and first half deformation district cross section of hole is the hexagon, and the echelonment design of nut pole portion makes its moment of torsion than current round bar design bigger, and the hexagon design of nut pole portion can be so that riveted back product and work piece parallel and level to avoid the assembly to interfere.

The inner and outer thread nuts of the above comparison documents are not firm enough after being mounted on a workpiece, especially a wooden workpiece, and are easy to loosen due to the influence of vibration force in the long-term use process, and the fixation stability is not high only by the threads.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tooth line takes tooth anti-drop inside and outside screw nut to the problem that the screw thread realization fixation stability is not high is only relied on to the screw thread inside and outside screw nut of proposing in solving above-mentioned background art.

The technical scheme of the utility model is that:

the nut comprises a nut, the hexagonal mouth has been seted up on the nut surface, the inside internal thread hole of having seted up of nut, the nut surface is provided with the outer tooth of a plurality of, nut surface edge encircles and has seted up four first openings, the inside slip grafting of first opening has the ejector pin, the outer wall that the nut is close to the hexagonal mouth encircles and has seted up four second openings, the activity grafting in the second opening has the staple, first opening is linked together with the second opening, ejector pin one end contacts with staple one end, the ejector pin is personally submitted the slope form with the contact of staple.

Furthermore, the size of the outer opening of the locking nail is matched with the size of the inner opening of the second through opening.

Further, ejector pin one end is provided with the dop, first opening inner wall is provided with the stopper, the stopper surface seted up with dop assorted draw-in groove.

Furthermore, the outer surfaces of the limiting blocks are arc-shaped.

Further, the outer teeth are inclined.

The utility model discloses an improve and provide the inside and outside tooth nut of tooth line tooth anti-drop here, compare with prior art, have following improvement and advantage:

one is as follows: the utility model discloses, a plurality of outer teeth of nut surface can improve and the fastness between the pre-buried hole, thereby avoid the nut to take place not hard up, after the nut installation targets in place, four ejector pins on accessible hammering nut surface, make the ejector pin along first opening inward movement, promote the lock nail simultaneously along the outside extension of second opening, thereby pierce the work piece inside, so that further fix the nut on the work piece, its process has improved the installation stability of nut greatly, guarantees its safety in utilization.

And the second step is as follows: the utility model discloses, the ejector pin can carry out the block rather than the draw-in groove of inside stopper after hammering into first opening to improve the stability of ejector pin, avoid it to take place to remove and lead to the lock nail not hard up.

Drawings

The invention is further explained below with reference to the figures and examples:

fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic left side view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic diagram of the structure of the right side view of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

Description of reference numerals: 1. a nut; 2. a hexagonal opening; 3. an internally threaded bore; 4. external teeth; 5. a first port; 6. a top rod; 7. a second port; 8. locking nails; 9. clamping a head; 10. and a limiting block.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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.

The utility model discloses an improvement provides here that the profile of tooth takes the interior outer tooth nut of tooth anti-drop, as shown in fig. 1-5, including nut 1, hexagonal mouth 2 has been seted up on nut 1 surface, 1 inside internal thread hole 3 has been seted up to nut, 1 surface of nut is provided with a plurality of

outer tooth

4, 1 surface edge of nut encircles has seted up four

first openings

5, 5 inside slip pegs graft of first opening has ejector pin 6, nut 1 is close to the outer wall of hexagonal mouth 2 and encircles and has seted up four second openings 7, the activity peg graft has lock pin 8 in the second opening 7, first opening 5 is linked together with second opening 7, 6 one end of ejector pin contacts with 8 one end of lock pin, the slope form is personally submitted with the contact of lock pin 8 to

ejector pin

6, 1 accessible hexagonal spanner of this application inserts in hexagonal mouth 2, thereby in 1 rotatory wrong income pre-buried hole with nut, and a plurality of outer tooth 4 of 1 surface of nut can improve and the fastness between the pre-buried hole, thereby avoid nut 1 to take place not hard up, after 1 hammering in place, four ejector pin 6 on the surface of accessible nut, make 6 move to first opening along first opening 5 along first opening, thereby the interior safe push pin that the nut is further to the work piece that stretches into along the work piece that the nut 7, thereby it is further to the extension process of nut, thereby it is convenient to the installation.

The size of the outer opening of the locking nail 8 is matched with the size of the inner opening of the second through opening 7, so that the structural stability of the locking nail 8 can be improved, and looseness caused by a gap between the locking nail and the second through opening 7 is avoided.

As shown in fig. 5, 6 one ends of ejector pins are provided with

dop

9, and 5 inner walls of first opening are provided with stopper 10, and stopper 10 surface seted up with 9 assorted draw-in grooves of dop, and ejector pin 6 can carry out the block rather than the draw-in groove of inside stopper 10 after hammering into first opening 5 to improve 6 stability of ejector pin, avoid it to take place to remove and lead to the staple 8 not hard up.

The outer surfaces of the

limiting blocks

10 and 10 are arc-shaped, so that the ejector rod 6 and the limiting block 10 can be conveniently clamped.

Outer tooth 4 is the slope form, can improve the interlock fastness between outer tooth 4 and the work piece, effectively prevents that nut 1 from taking place to drop.

The working principle is as follows: at first accessible hexagonal spanner inserts in 1 hexagonal mouth 2 of nut, thereby twist the nut 1 rotation in the pre-buried hole, and a plurality of outer teeth 4 of 1 surface of nut can improve and the pre-buried hole between the fastness, thereby avoid nut 1 to take place not hard up, after nut 1 is installed to target in place, four ejector pins 6 on accessible hammering nut 1 surface, make ejector pin 6 along first opening 5 inside removal, promote lock nail 8 along second opening 7 outside extension simultaneously, thereby pierce inside the work piece, so as to further fix nut 1 on the work piece, its process has improved nut 1's installation stability greatly, guarantee its safety in utilization, last ejector pin 6 is after hammering into first opening 5, can carry out the block with the draw-in groove of its inside stopper 10, thereby improve the stability of ejector pin 6, avoid it to take place to remove and lead to lock nail 8 not hard up.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The tooth thread takes tooth anti-drop inside and outside tooth nut, its characterized in that: including nut (1), hexagonal mouth (2) have been seted up on nut (1) surface, internal thread hole (3) have been seted up to nut (1) inside, nut (1) surface is provided with outer tooth of a plurality of (4), nut (1) surface edge encircles and has seted up four first opening (5), the inside slip grafting of first opening (5) has ejector pin (6), the outer wall that nut (1) is close to hexagonal mouth (2) encircles and has seted up four second opening (7), the activity grafting has lock pin (8) in second opening (7), first opening (5) are linked together with second opening (7), ejector pin (6) one end contacts with lock pin (8) one end, the contact surface of ejector pin (6) and lock pin (8) is the slope form.

2. The internal and external thread nut with teeth anti-drop according to claim 1, wherein: the size of the outer opening of the locking nail (8) is matched with the size of the inner opening of the second through opening (7).

3. The internal and external thread nut with teeth anti-drop according to claim 1, wherein: ejector pin (6) one end is provided with dop (9), first opening (5) inner wall is provided with stopper (10), stopper (10) surface seted up with dop (9) assorted draw-in groove.

4. The internal and external thread nut with teeth anti-drop according to claim 3, wherein: the outer surfaces of the limiting blocks (10) and the limiting blocks (10) are arc-shaped.

5. The internal and external thread nut with teeth anti-drop according to claim 1, wherein: the outer teeth (4) are inclined.