CN105688380A

CN105688380A - A propeller

Info

Publication number: CN105688380A
Application number: CN201511035464.7A
Authority: CN
Inventors: 张小强
Original assignee: Chongqing Nanjinglin Technology Development Co Ltd
Current assignee: Chongqing Nanjinglin Technology Development Co Ltd
Priority date: 2015-12-31
Filing date: 2015-12-31
Publication date: 2016-06-22

Abstract

The invention provides a propeller comprising a rotating shaft and two blades arranged symmetrically with the rotating shaft as the center. The two blades are connected through a blade shank. The blade shank is provided with a prismatic through hole at the center; the front end of the rotating shaft is provided with a plurality of forks which are fixedly connected to the prismatic through hole in the axial direction. The total cross section formed by the forks matches the cross section of the prismatic through hole so that the forks and the prismatic through hole are fixedly connected in the circumferential direction. The edges of the blades are cutting edges. The propeller can be disassembled quickly, so that a user can use the propeller as a weapon in danger, which is in particular important for divers.

Description

Propeller

Technical field

The present invention relates to a kind of propeller, particularly relate to the propeller of a kind of convenient dismounting。

Background technology

Existing propeller only makes medium directed flow produce the effect of thrust, function singleness, and when swimmer uses propeller to advance in water, as larger fish is attacked, propeller not only can not play self-defence effect, affects swimmer on the contrary and escape danger。The oar axle of propeller is generally fixing with blade to be connected, it is impossible to reaches the purpose of quickly dismounting, and then cannot play other function of propeller。

For the problems referred to above, the present inventor devises a kind of convenient decomposition and multi-functional propeller, to solve the problems referred to above。

Summary of the invention

In view of this, it is an object of the invention to provide a kind of propeller, this propeller quick release, and weapons for self-defense can be formed。

The present invention solves the problems referred to above by techniques below means:

A kind of propeller of the present invention, including rotating shaft and blade, described blade is provided with two, and said two blade is symmetrical arranged centered by rotating shaft, is connected by a petiole between two blades, and described petiole center has prismatic through hole；The front end of described rotating shaft sets out multiple bifurcated, the front end of bifurcated has sharp hook, the middle part of bifurcated is provided with limited step, described bifurcated has elasticity, make the plurality of bifurcated can be inserted in described prismatic through hole after gathering under external force, after limited step contacts with petiole, the plurality of bifurcated naturally launches the edge making point hook catch on prismatic through hole opposite side under elastic force effect, and between the plurality of bifurcated with prismatic through hole, axial restraint is connected；Total cross section that the plurality of bifurcated is constituted is mutually matched with the cross section of prismatic through hole and is connected so that circumferentially fixed between the plurality of bifurcated with prismatic through hole；The edge of described blade puts the first edge on a knife or a pair of scissors。

Further, the edge sawtooth of described blade。

Further, the length of described petiole is 50-120cm, and the diameter of petiole is 3-4cm。

Further, the cross section of described prismatic through hole is rectangle, and described bifurcated is provided with two。

Further, the pulling plate driving described rotating shaft to rotate also is included。

Further, described pulling plate include shell, connector, runner, one end be connected with described connector the other end be wrapped in the stay cord on described runner and be arranged within runner plane scroll spring composition, one end of described plane scroll spring is fixed on shell, the other end is fixed on described runner, and described runner is coordinated with described rotating shaft one-directional rotation by single direction ratchet mechanism。

Beneficial effects of the present invention: the propeller of the present invention, including rotating shaft and blade, described blade is provided with two, and said two blade is symmetrical arranged centered by rotating shaft, is connected by a petiole between two blades, and described petiole center has prismatic through hole；The front end of described rotating shaft sets out multiple bifurcated, and between the plurality of bifurcated with prismatic through hole, axial restraint is connected；Total cross section that the plurality of bifurcated is constituted is mutually matched with the cross section of prismatic through hole and is connected so that circumferentially fixed between the plurality of bifurcated with prismatic through hole；The edge of described blade puts the first edge on a knife or a pair of scissors。The propeller of the present invention can realize fast decoupled so that propeller can be utilized when user runs into crisis to serve as weapon, and this point is particularly important for scuba diver。

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the invention will be further described。

Fig. 1 is the structural representation of propeller of the present invention；

Fig. 2 is the structural representation of pulling plate on propeller of the present invention。

Detailed description of the invention

Below with reference to accompanying drawing, the present invention is described in detail:

As illustrated in fig. 1 and 2, a kind of propeller of the present invention, including rotating shaft 1 and blade 2, described blade 2 is provided with two, and said two blade 2 is symmetrical arranged centered by rotating shaft 1, is connected by a petiole 3 between two blades 2, and described petiole 3 center has prismatic through hole 4；The front end of described rotating shaft sets out multiple bifurcated 5, the front end of bifurcated 5 has sharp hook 7, the middle part of bifurcated 5 is provided with limited step 6, described bifurcated 5 has elasticity, make the plurality of bifurcated can be inserted in described prismatic through hole 4 after gathering under external force, after limited step 6 contacts with petiole 3, the plurality of bifurcated naturally launches the edge making point hook 7 catch on prismatic through hole 4 opposite side under elastic force effect, and between the plurality of bifurcated 5 and prismatic through hole 4, axial restraint is connected；Total cross section that the plurality of bifurcated 5 is constituted is mutually matched with the cross section of prismatic through hole 4 and is connected so that circumferentially fixed between the plurality of bifurcated 5 and prismatic through hole 4；The edge of described blade 2 puts the first edge on a knife or a pair of scissors。

During dismounting propeller, only with holding tight multiple bifurcated, rotating shaft and petiole need to can be made to be separated from each other, owing to the edge of blade puts the first edge on a knife or a pair of scissors, between two panels blade and petiole, just constitute double end chopper weapon。

As the further improvement of technique scheme, the opposite side edge sawtooth of described blade 2。After petiole and rotating shaft are separated from each other, blade is the formation of knife saw。

As the further improvement of technique scheme, the length of described petiole 3 is 50-120cm, and the diameter of petiole is 3-4cm。The setting person of being easy to use of above-mentioned size grips and uses。

As the further improvement of technique scheme, the cross section of described prismatic through hole 4 is rectangle, and described bifurcated 5 is provided with two。Above-mentioned setting can simplify the attachment structure between rotating shaft and petiole as far as possible, further facilitates the user dismounting to propeller。

Further improvement as technique scheme, also include the pulling plate 8 driving described rotating shaft 1 to rotate, pulling plate 8 can be fixed on above the helmet 9, can also be fixed on above submersible, described pulling plate 8 includes shell 80, connector 81, runner 82, one end is connected the other end and is wrapped in the stay cord 85 on described runner 82 and is arranged on the plane scroll spring 83 within runner 82 and forms with described connector 81, one end of described plane scroll spring 83 is fixed on shell 80, the other end is fixed on described runner 82, described runner 82 is coordinated with described rotating shaft 1 one-directional rotation by single direction ratchet mechanism 84。

What finally illustrate is, above example is only in order to illustrate technical scheme and unrestricted, although the present invention being described in detail with reference to preferred embodiment, it will be understood by those within the art that, technical scheme can be modified or equivalent replacement, without deviating from objective and the scope of technical solution of the present invention, it all should be encompassed in the middle of scope of the presently claimed invention。

Claims

1. a propeller, it is characterized in that: include rotating shaft (1) and blade (2), described blade (2) is provided with two, said two blade (2) is symmetrical arranged centered by rotating shaft (1), being connected by a petiole (3) between two blades (2), described petiole (3) center has prismatic through hole (4)；The front end of described rotating shaft sets out multiple bifurcated (5), the front end of bifurcated (5) has sharp hook (7), the middle part of bifurcated (5) is provided with limited step (6), described bifurcated (5) has elasticity, make the plurality of bifurcated can be inserted in described prismatic through hole (4) after gathering under external force, after limited step (6) contacts with petiole (3), the plurality of bifurcated naturally launches the edge making point hook (7) catch on prismatic through hole (4) opposite side under elastic force effect, between the plurality of bifurcated (5) with prismatic through hole (4), axial restraint is connected；Total cross section that the plurality of bifurcated (5) is constituted is mutually matched with the cross section of prismatic through hole (4) and is connected so that circumferentially fixed between the plurality of bifurcated (5) with prismatic through hole (4)；The edge of described blade (2) puts the first edge on a knife or a pair of scissors。

2. propeller according to claim 1, it is characterised in that: the edge sawtooth of described blade (2)。

3. propeller according to claim 2, it is characterised in that: the length of described petiole (3) is 50-120cm, and the diameter of petiole is 3-4cm。

4. propeller according to claim 3, it is characterised in that: the cross section of described prismatic through hole (4) is rectangle, and described bifurcated (5) is provided with two。

5. propeller according to claim 1, it is characterised in that: also include the pulling plate (8) driving described rotating shaft (1) to rotate。

6. propeller according to claim 5, it is characterized in that: described pulling plate (8) includes shell (80), connector (81), runner (82), one end is connected the stay cord (85) that the other end is wrapped on described runner (82) and plane scroll spring (83) composition being arranged on runner (82) inside with described connector (81), one end of described plane scroll spring (83) is fixed on shell (80), the other end is fixed on described runner (82), described runner (82) is coordinated with described rotating shaft (1) one-directional rotation by single direction ratchet mechanism (84)。