阅读说明：本技术 一种具有防护结构的水下推进器 (Underwater propeller with protective structure ) 是由 陈建辉 于 2021-02-26 设计创作，主要内容包括：本发明公开了一种具有防护结构的水下推进器,该推进器包括支撑板、旋转装置和圆弧型头部,所述旋转装置包括马达和螺旋桨,所述马达与螺旋桨连接,所述螺旋桨在旋转侧边上设置有导流罩,所述螺旋桨在前侧和后侧上设置有过滤网,所述导流罩和过滤网可拆卸式连接后形成包裹螺旋桨的罩体,所述圆弧型头部与马达活动连接,所述圆弧型头部和导流罩均连接在支撑板的一侧。通过导流罩和过滤网形成的罩体,可实现对螺旋桨四周的包裹防护；通过圆弧型头部的设置,与平面型头部相比,减小了在前进过程中的遇水阻力,提高了该推进器前行的动力。(The invention discloses an underwater propeller with a protection structure, which comprises a supporting plate, a rotating device and an arc-shaped head, wherein the rotating device comprises a motor and a propeller, the motor is connected with the propeller, a flow guide cover is arranged on the rotating side edge of the propeller, filter screens are arranged on the front side and the rear side of the propeller, the flow guide cover and the filter screens are detachably connected to form a cover body wrapping the propeller, the arc-shaped head is movably connected with the motor, and the arc-shaped head and the flow guide cover are both connected to one side of the supporting plate. The cover body formed by the flow guide cover and the filter screen can realize the wrapping protection of the periphery of the propeller; through the arrangement of the arc-shaped head, compared with the plane-type head, the water resistance in the advancing process is reduced, and the advancing power of the propeller is improved.)

1. The utility model provides an underwater propulsor with protective structure, its characterized in that, this propeller includes backup pad, rotary device and circular arc type head, rotary device includes motor and screw, the motor is connected with the screw, the screw is provided with the kuppe on rotatory side, the screw is provided with the filter screen on front side and rear side, form the cover body of parcel screw after kuppe and the detachable connection of filter screen, circular arc type head and motor swing joint, circular arc type head and kuppe are all connected in one side of backup pad.

2. The underwater propeller with a protective structure as claimed in claim 1, wherein the support plate has arc-shaped protrusions extending outward from the front and rear ends thereof, the support plate has arc-shaped grooves formed by inward recessing of the left and right ends thereof, and the arc-shaped head and the fairwater are connected to the front and rear ends of the support plate, respectively.

3. An underwater vehicle having a shelter structure as claimed in claim 1, wherein an auxiliary plate is detachably attached to the support plate, and the support plate and the auxiliary plate are arranged side by side and spaced apart from each other.

4. An underwater propeller having a protective structure as claimed in claim 3, wherein a speed adjusting device is provided at the other side of the supporting plate, the speed adjusting device being connected to the motor, the speed adjusting device being provided between the supporting plate and the auxiliary plate.

5. An underwater propeller with a protective structure as claimed in claim 4, wherein a fixing piece is extended outward from the side edge of the governor device, and the governor device is detachably connected between the support plate and the auxiliary plate by the fixing piece.

6. An underwater propeller having a shelter structure as claimed in claim 1, wherein the circular arc-shaped head is provided with fins which are provided right above the circular arc-shaped head.

7. An underwater propeller having a protective structure as claimed in claim 4, wherein the support plate is provided with a through hole which is disposed opposite to the speed adjusting means.

Technical Field

The invention belongs to the technical field of propellers, and particularly relates to an underwater propeller with a protection structure.

Background

A propeller is a device that converts any form of energy into mechanical energy. Thrust is generated by rotating blades or by injecting air (water). The propeller is widely applied in the fields of ships, aviation and the like, is mainly used for pushing the ships and boats to advance, has various types including a propeller, a propeller for electric ships, an aviation propeller, a water jet propeller and the like, and has special purposes and characteristics.

The propellers are various in types, and the propellers are the most common pushing mode due to the fact that the propellers are high in rotating speed and good in working efficiency can be guaranteed.

The rotation of the propeller is usually driven by a motor, and the forward propulsion is formed under the action of the motor, but the propeller is easily influenced by the outside in the rotation process, once foreign matters are impacted or wound on the propeller, the propeller cannot normally rotate or even stop rotating, so that the ship can not be stopped, and the guide cover is additionally arranged outside the propeller, so that the protection of the propeller can be realized, the normal rotation of the propeller is ensured, the guide function is formed to a certain extent, and the forward stability of the ship is ensured; however, only adding the air guide sleeve can only form certain protection on the side surface of the propeller, but cannot form protection on the front surface of the propeller; in addition, the head of the traditional propeller is planar, so that the underwater advancing resistance is increased, and the advancing power of the propeller is reduced.

Disclosure of Invention

In order to solve the above problems, a primary object of the present invention is to provide an underwater propeller with a protective structure, which can fully protect the propeller and prevent the propeller from being contaminated with foreign matters such as waterweeds and garbage during use to affect the overall propulsion effect.

Another object of the present invention is to provide an underwater propeller with a protective structure, which has high power and advancing stability.

In order to achieve the above object, the technical solution of the present invention is as follows.

The utility model provides an underwater propulsor with protective structure, its characterized in that, this propeller includes backup pad, rotary device and circular arc type head, rotary device includes motor and screw, the motor is connected with the screw, the screw is provided with the kuppe on rotatory side, the screw is provided with the filter screen on front side and rear side, form the cover body of parcel screw after kuppe and the detachable connection of filter screen, circular arc type head and motor swing joint, circular arc type head and kuppe are all connected in one side of backup pad. The diversion cover is arranged on the rotating side edge of the propeller, so that diversion of water on the rotating side edge of the propeller can be realized, meanwhile, the diversion cover can protect the side edge of the propeller, and foreign matters such as aquatic weed garbage and the like are effectively prevented from being wound on the rotating side edge of the propeller in the rotating process; the filter screens are respectively arranged on the front side and the rear side of the propeller, so that the water filtering function on the front side and the rear side of the propeller can be realized, the propeller is prevented from sucking or mixing with aquatic weeds, garbage and the like from the front side or the rear side in the advancing process, and the wrapping protection on the periphery of the propeller can be realized through the cover body formed by the flow guide cover and the filter screens; through the setting of circular arc type head, compare with the plane head, reduced the chance water resistance at the in-process of advancing, improved the power that this propeller moved ahead, the backup pad is used for realizing the fixed of rotary device and circular arc type head, simultaneously, utilizes this backup pad also to conveniently fix this propeller and uses on instruments such as boats and ships, yacht.

Furthermore, the supporting plate is respectively extended outwards from the front end and the rear end to form arc-shaped bulges, the left end and the right end of the supporting plate are respectively sunken inwards to form arc-shaped grooves, and the arc-shaped head and the air guide sleeve are respectively connected to the front end and the rear end of the supporting plate. Set up the arc arch through on the both ends around the backup pad, make it form sharp-pointed minute water structure at both ends around, the propeller can utilize this arc arch to cut water in the use, reduces the resistance that the propeller itself produced in the use, has increased the whole produced power of this propeller. The arc grooves are formed in the left end and the right end of the supporting plate, so that the flow speed of water on the side of the supporting plate is increased, the propeller is smoother in water, and the resistance is reduced.

Furthermore, the support plate is detachably connected with an auxiliary plate, and the support plate and the auxiliary plate are arranged side by side at intervals. The auxiliary plate is arranged, the propeller and the ship can be fixed by the aid of the auxiliary plate, the draught depth of the propeller is actually increased by the aid of the distance between the auxiliary plate and the supporting plate, and whether the auxiliary plate is installed or not can be flexibly selected or the distance between the supporting plate and the auxiliary plate is adjusted according to needs by means of the detachable connecting structure between the auxiliary plate and the supporting plate, so that the requirements of different water levels, namely application scenes, are met.

Furthermore, a speed regulating device is arranged on the other side of the supporting plate and connected with the motor, and the speed regulating device is arranged between the supporting plate and the auxiliary plate. The speed regulating device is used for realizing the regulation of the power of the propeller. The speed regulating device is arranged on the side edge of the supporting plate, so that the speed regulating device is in a state of contacting with water during working, and the functions of heat dissipation and cooling of the speed regulating device are achieved.

Furthermore, a fixing piece extends outwards from the side edge of the speed regulating device, and the speed regulating device is detachably connected between the supporting plate and the auxiliary plate through the fixing piece. The arrangement of the fixing sheet facilitates the fixing of the speed regulating device on the supporting plate, and when the auxiliary plate needs to be arranged, the speed regulating device can also utilize the extending fixing sheet to realize the installation and the fixing of the speed regulating device between the supporting plate and the auxiliary plate.

Furthermore, the arc-shaped head is provided with a fish fin which is arranged right above the arc-shaped head. The fish fins are additionally arranged on the arc-shaped head, so that the water flow is cut by the fish fins in the advancing process of the propeller, the water obstruction is reduced, and the advancing resistance is reduced; meanwhile, the fin can enable the straight advancing route of the propeller to be straight, the probability of left-right swinging is reduced, and the advancing stability of the propeller is improved.

Furthermore, a through hole is formed in the supporting plate, and the through hole is arranged opposite to the speed regulating device. The setting of through-hole in the backup pad has increased the area of contact of speed adjusting device with water, makes speed adjusting device's heat dissipation cooling effect better.

According to the invention, the flow guide cover and the filter screen are additionally arranged on the outer side of the propeller, so that the protection of each side surface of the propeller can be realized, foreign matters such as aquatic weeds and garbage are prevented from being sucked into the propeller in the use process, the performance of the propeller is ensured, and the integral stability of the propeller is ensured;

through the arrangement of the arc-shaped head, the resistance of the propeller in the advancing process is reduced, and the integral power of the propeller in the advancing process is improved.

Drawings

FIG. 1 is a block diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-2, the underwater propeller with a protective structure of the present invention includes a support plate 1, a rotating device 2, and a circular arc-shaped head 3, wherein the rotating device 2 includes a motor 21 and a propeller 22, the motor 21 is connected to the propeller 22, a wind deflector 221 is disposed on a rotating side edge of the propeller 22, filter screens 222 are disposed on a front side and a rear side of the propeller 22, the wind deflector 221 and the filter screens 222 are detachably connected to form a cover body covering the propeller 22, the circular arc-shaped head 3 is movably connected to the motor 21, and both the circular arc-shaped head 3 and the wind deflector 221 are connected to one side of the support plate 1. The diversion cover 221 is arranged on the rotating side edge of the propeller 22, so that diversion of water on the rotating side edge of the propeller 22 can be realized, meanwhile, the diversion cover 221 can protect the side edge of the propeller 22, and foreign matters such as aquatic weed garbage and the like are effectively prevented from being wound on the rotating side edge of the propeller 22 in the rotating process; the filter screens 222 are respectively arranged on the front side and the rear side of the propeller 22, so that the water on the front side and the rear side of the propeller 22 can be filtered, the propeller 22 is prevented from sucking or mixing with aquatic weeds, garbage and the like from the front side or the rear side in the advancing process, and the surrounding of the propeller 22 can be wrapped and protected by the cover body formed by the guide cover 221 and the filter screens 222; through the setting of circular arc type head 3, compare with the plane head, reduced the chance water resistance at the advancing in-process, improved the power that this propeller gos forward, backup pad 1 is used for realizing fixed to rotary device 2 and circular arc type head 3, simultaneously, utilizes this backup pad 1 also to conveniently fix this propeller on instruments such as boats and ships, yacht and uses.

The arc-shaped protrusions 11 extend outwards from the front end and the rear end of the support plate 1 respectively, the left end and the right end of the support plate 1 are recessed inwards to form arc-shaped grooves 12 respectively, and the arc-shaped head portion 3 and the air guide sleeve 221 are connected to the front end and the rear end of the support plate 1 respectively. Set up arc arch 11 through both ends around backup pad 1 on, make it form sharp-pointed minute water structure at both ends around, the propeller can utilize this arc arch 11 to cut water in the use, reduces the resistance that the propeller itself produced in the use, has increased the whole power that can produce of this propeller. Set up arc recess 12 at backup pad 1's left and right sides both ends, increased the velocity of flow of backup pad 1 side water, make the propeller more smooth and easy in aqueous, reduce the resistance.

The supporting plate 1 is also detachably connected with an auxiliary plate 13, and the supporting plate 1 and the auxiliary plate 13 are arranged side by side at intervals. The auxiliary plate 13 is arranged, the propeller and the ship can be fixed by the auxiliary plate 13, the depth of draught of the propeller is actually increased by the distance between the auxiliary plate 13 and the supporting plate 1, and whether the auxiliary plate 13 is installed or not can be flexibly selected according to needs or the distance between the supporting plate 1 and the auxiliary plate 13 is adjusted through a detachable connecting structure between the auxiliary plate 13 and the supporting plate 1, so that the requirements of different water levels, namely application scenes, are met.

Wherein, the other side of the supporting plate 1 is provided with a speed regulating device 14, the speed regulating device 14 is connected with a motor 21, and the speed regulating device 14 is arranged between the supporting plate 1 and the auxiliary plate 13. The speed regulating device 14 is arranged to effect regulation of the propeller power. The speed regulating device 14 is arranged on the side of the supporting plate 1, so that the speed regulating device 14 is in a state of contacting with water during working, and the functions of heat dissipation and temperature reduction of the speed regulating device 14 are achieved.

Wherein, a fixing piece 141 extends outwards from the side edge of the speed adjusting device 14, and the speed adjusting device 14 is detachably connected between the supporting plate 1 and the auxiliary plate 13 through the fixing piece 141. The fixing piece 141 is provided to facilitate fixing the speed adjusting device 14 on the supporting plate 1, and when the auxiliary plate 13 is required to be provided, the speed adjusting device 14 can be fixed between the supporting plate 1 and the auxiliary plate 13 by using the extending fixing piece 141.

Wherein, the arc-shaped head 3 is provided with a fish fin 31, and the fish fin 31 is arranged right above the arc-shaped head 3. The fish fins 31 are additionally arranged on the arc-shaped head 3, so that the water flow is cut by the fish fins 31 in the advancing process of the propeller, the water obstruction is reduced, and the advancing resistance is reduced; meanwhile, the fish fins 31 can enable the straight advancing route of the propeller to be straight, the probability of left-right swinging is reduced, and the advancing stability of the propeller is improved.

Wherein, a through hole 15 is arranged on the supporting plate 1, and the through hole 15 is arranged opposite to the position of the speed regulating device 14. The setting of through-hole 15 in the backup pad has increased the area of contact of speed adjusting device 14 with water, makes speed adjusting device 14's heat dissipation cooling effect better.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.