CN218357371U

CN218357371U - Windmill center shaft with spiral structure

Info

Publication number: CN218357371U
Application number: CN202222939875.0U
Authority: CN
Inventors: 李伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-01-24
Anticipated expiration: 2032-11-04

Abstract

The utility model relates to a windmill technical field discloses a helical structure's windmill center pin, including the axis body, the first rosette of the outside front side fixedly connected with of axis body, the gap has all been seted up to the left and right sides that the axis body outside is located first rosette rear, the first screw thread of the outside rear side fixedly connected with of axis body, the draw-in groove has been seted up to the axis body front end, the through-hole of intercommunication is seted up to the draw-in groove rear end, first screw thread outside is provided with the bayonet lock, the bayonet lock front end is seted up flutedly, recess inner wall a week fixedly connected with second screw thread, the opening of intercommunication is seted up to the recess rear end. The utility model discloses in, in putting into the gap of axis body both sides through the fan blade with the windmill, rotate in the axis body outside through the bayonet lock block afterwards, make the inside second screw thread of recess and first screw-thread fit fasten between bayonet lock and the axis body to the realization improves the stability of windmill center pin installation fan blade.

Description

Windmill center shaft with spiral structure

Technical Field

The utility model relates to a windmill technical field especially relates to a helical structure's windmill center pin.

Background

The toy windmill is a common toy in daily life, a plurality of fan blades are fixed on the same rotating shaft and are designed in a rotational symmetry mode, and because the blade surfaces of the fan blades are not flat, when wind blows the blade surfaces, kinetic energy is generated, the fan blades are fixed through a central shaft, so the wind blows the fan blades, the fan blades drive the rotating shaft to rotate, the windmill starts to rotate, the toy not only brings fun to children, but also is often used as an ornament for arranging meeting places and activity sites, wherein the central shaft of the windmill is mostly fixed on the central shaft by means of clamping connection at present, but the fan blades are fixedly connected by means of clamping to be loosened.

At present, when a maple leaf is installed on a central shaft of a windmill in the prior art, most of the central shaft of the windmill is clamped by matching the central shaft with a clamping pin to fix an internal fan blade, but the central shaft is clamped by the clamping pin to be unstable in connection, so that the central shaft of the windmill is used for a long time, the clamping pin and the central shaft are loosened, and the normal use of the windmill is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a windmill center shaft with a spiral structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a helical structure's windmill center pin, includes the axis body, the first rosette of outside front side fixedly connected with of axis body, the gap has all been seted up to the left and right sides that the axis body outside is located first rosette rear, the first screw thread of outside rear side fixedly connected with of axis body, the draw-in groove has been seted up to the axis body front end, the through-hole of intercommunication is seted up to the draw-in groove rear end, first screw thread outside is provided with the bayonet lock, the bayonet lock front end is seted up flutedly, recess inner wall a week fixedly connected with second screw thread, the opening of intercommunication is seted up to the recess rear end, the outside front side fixedly connected with second rosette of bayonet lock, first screw thread and second threaded connection.

As a further description of the above technical solution:

the first decoration ring and the second decoration ring are same in appearance and are arranged on the same plane.

As a further description of the above technical solution:

the gap is axisymmetric with respect to an axis of the shaft body.

As a further description of the above technical solution:

the width of the gap is the same.

As a further description of the above technical solution:

the bayonet lock and the shaft body are coaxially arranged.

As a further description of the above technical solution:

the groove is respectively arranged coaxially with the through hole and the opening.

As a further description of the above technical solution:

the inner diameter of the clamping groove is larger than that of the through hole.

As a further description of the above technical solution:

the clamping groove and the through hole are coaxially arranged.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first put into the gap of axis body both sides with the fan blade of windmill, rotate in the axis body outside through the bayonet lock block afterwards, make inside second screw thread of recess and first screw-thread fit fasten between bayonet lock and the axis body to the realization improves the stability of windmill center pin installation fan blade.

Drawings

Fig. 1 is an exploded schematic perspective view of the whole central shaft of a windmill with a spiral structure according to the present invention;

fig. 2 is a schematic perspective view of the entire right-view structure of the windmill center shaft with a spiral structure provided by the present invention;

fig. 3 is a schematic perspective view of a cross-sectional structure of a spiral windmill center shaft as a whole in a right view.

Illustration of the drawings:

1. a shaft body; 2. a gap; 3. a first decorative ring; 4. a groove; 5. a second decorative ring; 6. a bayonet lock; 7. a first thread; 8. a through hole; 9. a card slot; 10. a second thread; 11. and (4) opening.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a helical structure's windmill center pin, including axis body 1, the first rosette 3 of 1 outside front side fixedly connected with of axis body, the gap 2 has all been seted up to the left and right sides that 1 outside of axis body is located 3 backs of first rosette, the first screw thread 7 of 1 outside rear side fixedly connected with of axis body, draw-in groove 9 has been seted up to the 1 front end of axis body, the through-hole 8 of intercommunication is seted up to draw-in groove 9 rear end, 7 outsides of first screw thread are provided with bayonet lock 6, recess 4 is seted up to 6 front ends of bayonet lock, 4 inner wall a week fixedly connected with second screw thread 10 of recess, the opening 11 of intercommunication is seted up to the 4 rear ends of recess, 6 outside front side fixedly connected with second rosettes 5 of bayonet lock,

first screw thread

7 and 10 threaded connection of second screw thread.

Firstly, the fan blades of the windmill are placed into the gaps 2 on the two sides of the shaft body 1 to be fixed, the gaps 2 can be additionally arranged through the shaft center of the shaft body 1 through the number of the fan blades, the gaps 2 can only be even numbers, then the bayonet lock 6 is clamped outside the shaft body 1 to rotate, the second threads 10 inside the groove 4 are in threaded connection with the first threads 7 to fasten the connection between the bayonet lock 6 and the shaft body 1, the fan blades can be stably reinforced inside the gaps 2, so that subsequent processing is facilitated, the overall stability of the windmill central shaft to the windmill is improved, and the problems that the connection relation between the fan blades of the windmill toy in the prior art and the shaft body 1 is unstable and potential safety hazards exist are solved.

The first decoration ring 3 and the second decoration ring 5 are the same in appearance and are arranged on the same plane, the shaft body 1 is attractive through the first decoration ring 3 and the second decoration ring 5, after the shaft body 1 is provided with the fan blades, the windmill is more attractive, the gap 2 is axisymmetric with the axis of the shaft body 1, the width of the gap 2 is the same, the gap 2 can be formed by a plurality of fan blades and can be formed by rotating the shaft body 1 through the axis, the number of the gap can only be even, so that the fan blades can be mounted, the clamping pin 6 is coaxially arranged with the shaft body 1, the groove 4 is coaxially formed with the through hole 8 and the opening 11 respectively, the inner diameter of the clamping groove 9 is larger than that of the through hole 8, the second thread 10 in the clamping pin 6 can be matched with the first thread 7 outside the shaft body 1, the clamping groove can be fixed by threads, the clamping groove 9 is coaxially arranged with the through hole 8, and the through hole 8, the opening 11 and the clamping groove 9 can all penetrate through the holding rod of the windmill for mounting and fixing, and forming the finished windmill.

The working principle is as follows: firstly, the fan blades of the windmill are placed into the gaps 2 on the two sides of the shaft body 1 to be fixed, the gaps 2 can be additionally arranged through the shaft center of the shaft body 1 through the number of the fan blades, the gaps 2 can only be even numbers when being formed, so that more fan blades can be installed, and then the fan blades are clamped outside the shaft body 1 through the clamping pins 6 to rotate, the second threads 10 inside the grooves 4 are in threaded connection with the first threads 7 to fasten the connection between the clamping pins 6 and the shaft body 1, so that the fan blades can be stably reinforced inside the gaps 2, so that the subsequent processing is facilitated, and the stability of the central shaft of the windmill on the whole body of the windmill is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a helical structure's windmill center pin, includes axis body (1), its characterized in that: the utility model discloses a decorative ring, including axis body (1), axis body (1) outside front side fixedly connected with first decorative ring (3), gap (2) have all been seted up to the left and right sides that axis body (1) outside is located first decorative ring (3) rear, the first screw thread (7) of axis body (1) outside rear side fixedly connected with, draw-in groove (9) have been seted up to axis body (1) front end, through-hole (8) of intercommunication are seted up to draw-in groove (9) rear end, first screw thread (7) outside is provided with bayonet lock (6), bayonet lock (6) front end is seted up flutedly (4), recess (4) inner wall a week fixedly connected with second screw thread (10), opening (11) of intercommunication are seted up to recess (4) rear end, bayonet lock (6) outside front side fixedly connected with second decorative ring (5), first screw thread (7) and second screw thread (10) threaded connection.

2. A windmill central shaft of helical construction as claimed in claim 1, characterized in that: the first decorative ring (3) and the second decorative ring (5) are identical in appearance and are arranged on the same plane.

3. A windmill central shaft of helical construction as claimed in claim 1, characterized in that: the gap (2) is axisymmetric with the axis of the shaft body (1).

4. A windmill central shaft of helical construction as claimed in claim 1, characterized in that: the width of the gap (2) is the same.

5. A helical windmill central shaft as claimed in claim 1, wherein: the bayonet lock (6) and the shaft body (1) are coaxially arranged.

6. A windmill central shaft of helical construction as claimed in claim 1, characterized in that: the groove (4) is respectively arranged coaxially with the through hole (8) and the opening (11).

7. A helical windmill central shaft as claimed in claim 1, wherein: the inner diameter of the clamping groove (9) is larger than that of the through hole (8).

8. A windmill central shaft of helical construction as claimed in claim 1, characterized in that: the clamping groove (9) and the through hole (8) are coaxially arranged.