CN217260622U - Low-loss marine propeller - Google Patents
Low-loss marine propeller Download PDFInfo
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- CN217260622U CN217260622U CN202220231873.3U CN202220231873U CN217260622U CN 217260622 U CN217260622 U CN 217260622U CN 202220231873 U CN202220231873 U CN 202220231873U CN 217260622 U CN217260622 U CN 217260622U
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- reinforcing
- protecting sheathing
- propeller
- protective housing
- block
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Abstract
The application discloses a low-loss marine propeller, which relates to the technical field related to propellers, and comprises an installation block, propeller blades are fixedly connected to the outer side of the installation block, a protection mechanism is arranged on the outer side of the propeller blades, the protection mechanism comprises a first protection shell and a second protection shell which are arranged on the outer side of the propeller blades, a first installation groove is formed in one side of the first protection shell, the problem that the propeller is easily subjected to cavitation after being used for a long time is solved, so that the propeller body is greatly damaged, and the propeller cannot be used for a long time is solved, in the scheme, the first protection shell and the second protection shell play a main protection role, so that the propeller blades are not easily influenced by the cavitation in a short time when being used, the service life of the propeller blades is prolonged, and a first protection shell is arranged on one side of the first protection shell, a second mounting groove is formed in one side of the second protection shell.
Description
Technical Field
The application relates to the technical field of propellers, in particular to a low-loss marine propeller.
Background
The propeller is a device which rotates in the air or water by means of blades and converts the rotating power of an engine into propulsive force, the propeller is a propeller which is provided with two or more blades connected with a hub, and the backward surface of each blade is a helicoid or is similar to the helicoid. The propellers are divided into a plurality of types and are widely applied, such as propellers of aircrafts and ships.
Many propellers can drive the ship and carry out mechanical motion among the prior art, but the cavitation phenomenon appears very easily after the propeller is used for a long time to cause great damage to the propeller body, make the propeller can't use for a long time.
SUMMERY OF THE UTILITY MODEL
In order to solve the cavitation phenomenon appears very easily after the screw is used for a long time to cause great damage to the screw body, make the unable problem of using for a long time of screw, this application provides a low-loss marine screw.
The application provides a low-loss marine propeller adopts following technical scheme:
a low-loss marine propeller comprises an installation block, wherein propeller blades are fixedly connected to the outer side of the installation block, and a protection mechanism is arranged on the outer side of each propeller blade;
protection machanism is including setting up first protecting sheathing and the second protecting sheathing in the screw blade both sides respectively, first mounting groove has been seted up to one side of first protecting sheathing, the second mounting groove has been seted up to one side of second protecting sheathing, just first mounting groove communicates with each other with the second mounting groove, the inside of second mounting groove and first mounting groove is provided with the rivet, first protecting sheathing and second protecting sheathing pass through rivet fixed connection.
By adopting the technical scheme: first protective housing and second protective housing play main guard action for propeller blade is difficult for receiving the influence of cavitation in the short time when using, thereby has increased propeller blade's life, and first protective housing and second protective housing are connected to rivet accessible second mounting groove and first mounting groove, make first protective housing and second protective housing more stable firm when using.
Optionally, the first protective housing and the second protective housing are both internally provided with a reinforcing mechanism;
the strengthening mechanism is including seting up at the inside first hollow groove of first protecting sheathing and second protecting sheathing, the inside in first hollow groove is provided with first reinforcement swash plate and second reinforcement swash plate, fixed connection between first reinforcement swash plate and the second reinforcement swash plate, just first reinforcement swash plate and second reinforcement swash plate are crisscross setting.
By adopting the technical scheme: the reinforcing mechanism is arranged, so that the first protective shell and the second protective shell can protect the propeller blades when in use, and the first protective shell and the second protective shell have higher firmness on the premise of reducing weight, and are not easy to damage the propeller blades greatly.
Optionally, an insertion block is fixedly connected to one side of the first protective housing, which is close to the second protective housing, a slot is formed in one side of the second protective housing, which is close to the first protective housing, and the insertion block is movably inserted into the slot.
By adopting the technical scheme: the slot and the connection between the inserted block can be used for pre-installing the first protective housing and the second protective housing, so that the first protective housing and the second protective housing can be temporarily clamped together when the first protective housing and the second protective housing are not connected through rivets, and the subsequent installation and fixation of workers are facilitated.
Optionally, a first reinforcing block and a second reinforcing block are arranged inside the first hollow groove, and the first reinforcing block and the second reinforcing block are arranged outside the first reinforcing inclined plate.
By adopting the technical scheme: first reinforcing block and second reinforcing block can be used to consolidate first hollow groove and first reinforcing swash plate for first hollow groove and first reinforcing swash plate are when providing the firmness to first protective housing and second protective housing, and self is difficult for breaking or damaging.
Optionally, a second hollow groove is formed in each of the first protection shell and the second protection shell, and a spring is arranged in each second hollow groove.
By adopting the technical scheme: first protecting sheathing and second protecting sheathing accessible second hollow groove play spacing and fixed effect to the spring, and the spring can play certain cushioning effect when first protecting sheathing and second protecting sheathing receive the impact of rivers simultaneously.
Optionally, one side of the first protection housing, which is far away from the second protection housing, is provided with a first baffle, one side of the second protection housing, which is far away from the first protection housing, is provided with a second baffle, and the first baffle and the second baffle are both arranged outside the rivet.
By adopting the technical scheme: the first baffle and the second baffle can play a certain protective role on the rivet, so that when the rivet is used for fixing the first protective shell and the second protective shell, the rivet is not easy to corrode seriously due to exposure to water flow.
Optionally, a vortex elimination fin is fixedly connected to one side of the mounting block.
By adopting the technical scheme: the resistance brought by the vortex can be weakened by the vortex-eliminating fins, so that the propelling efficiency of the propeller body in use is improved.
Optionally, the first reinforcing block and the second reinforcing block are both triangular, and the first reinforcing block and the second reinforcing block are symmetrically arranged.
By adopting the technical scheme: first reinforcement piece and second reinforcement piece symmetry set up, and this makes first hollow groove and first reinforcement swash plate all can be consolidated by first reinforcement piece and second reinforcement piece to the durability of first hollow groove and first reinforcement swash plate has been improved.
Compared with the prior art, the beneficial effects of this application are:
1. in the scheme, the first protective shell and the second protective shell play a main protective role, so that when the propeller blade is used, the first protective shell and the second protective shell replace the propeller blade to be corroded or corroded, and the first protective shell and the second protective shell can be detachably discarded or replaced after the first protective shell and the second protective shell cannot be used. Make the propeller blade be difficult for receiving the influence of cavitation in the short time, thereby increased propeller blade's life, first mounting groove has been seted up to one side of first protecting sheathing, the second mounting groove has been seted up to one side of second protecting sheathing, the inside of second mounting groove and first mounting groove is provided with the rivet, first protecting sheathing and second protecting sheathing are connected to rivet accessible second mounting groove and first mounting groove, make first protecting sheathing and second protecting sheathing more stable firm when using.
2. First reinforcing inclined plate and second reinforcing inclined plate in the present case are mainly responsible for and are used for reinforcing first protective housing and second protective housing for first protective housing and second protective housing are when using, difficult condition such as fracture or damage takes place, fixed connection between first reinforcing inclined plate and the second reinforcing inclined plate, and first reinforcing inclined plate and second reinforcing inclined plate are crisscross setting, this makes first reinforcing inclined plate and second reinforcing inclined plate when using, can support each other, consolidate each other.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is a schematic structural view of a vortex reduction fin and a mounting block in an embodiment of the present application;
FIG. 3 is a first cross-sectional structural schematic view of a first protective housing and a second protective housing in an embodiment of the present application;
FIG. 4 is a second cross-sectional structural schematic view of the first protective housing and the second protective housing in an embodiment of the present application;
fig. 5 is an enlarged schematic view of a portion a in fig. 4 of the present application.
Description of the reference numerals: 1. a propeller blade; 2. mounting blocks; 3. a vortex-eliminating fin; 41. a first protective housing; 42. a second protective housing; 43. a first mounting groove; 44. a second mounting groove; 45. riveting; 51. a slot; 52. inserting a block; 61. a first baffle; 62. a second baffle; 71. a first hollow groove; 72. a first reinforcing sloping plate; 73. a second reinforcing sloping plate; 81. a first reinforcing block; 82. a second reinforcing block; 91. a second hollow groove; 92. a spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
Example (b):
the application provides following technical scheme, please refer to fig. 1-3, this low-loss marine propeller includes installation piece 2, and the outside fixedly connected with propeller blade 1 of installation piece 2, propeller blade 1 and installation piece 2 can constitute the propeller body, and installation piece 2 is responsible for being used for connecting outside drive shaft simultaneously, and propeller blade 1 then drives through the rotation of installation piece 2 and operates to make objects such as the hull that outside is connected can remove.
Referring to fig. 3 and 4, the outside of propeller blade 1 is provided with protection machanism, protection machanism is used for protecting propeller blade 1, reduce the damage that the cavitation erosion brought, protection machanism is including setting up first protective housing 41 and the second protective housing 42 in the propeller blade 1 outside, first protective housing 41, second protective housing 42 sets up the one side both sides at propeller blade 1 respectively, first protective housing 41 and second protective housing 42 play main guard action, make propeller blade 1 when using, be difficult for receiving the influence of cavitation erosion in the short time, thereby the life of propeller blade 1 has been increased. First mounting groove 43 has been seted up to one side of first protecting sheathing 41, and second mounting groove 44 has been seted up to one side of second protecting sheathing 42, and first mounting groove 43 and second mounting groove 44 communicate each other.
Referring to fig. 4, rivets 45 are disposed inside the second mounting grooves 44 and the first mounting grooves 43, and the rivets 45 can connect the first protective housing 41 and the second protective housing 42 through the second mounting grooves 44 and the first mounting grooves 43, so that the first protective housing 41 and the second protective housing 42 are more stable and firm when in use, and the first protective housing 41 and the second protective housing 42 are clamped outside the propeller blade 1 by the rivets 45. The inside of the first protective housing 41 and the second protective housing 42 are each provided with a reinforcement mechanism for reinforcing the sturdiness of the first protective housing 41 and the second protective housing 42.
Referring to fig. 4 and 5, the first protective housing 41 and the second protective housing 42 are arranged to protect the propeller blade 1 when in use, and have high firmness on the premise of reducing weight, so that the propeller blade 1 is not easily damaged. The reinforcing mechanism comprises a first hollow groove 71 arranged inside the first protective housing 41 and the second protective housing 42, a first reinforcing inclined plate 72 and a second reinforcing inclined plate 73 are arranged inside the first hollow groove 71, and the reinforcing mechanism is arranged inside the first protective housing 41 and the second protective housing 42, so that the first hollow groove 71, the first reinforcing inclined plate 72 and the second reinforcing inclined plate 73 are provided with a plurality of reinforcing inclined plates, and the first reinforcing inclined plate 72 and the second reinforcing inclined plate 73 are mainly responsible for reinforcing the first protective housing 41 and the second protective housing 42, so that the first protective housing 41 and the second protective housing 42 are not easy to break or break when in use.
Referring to fig. 4 and 5, the first reinforcing inclined plate 72 and the second reinforcing inclined plate 73 are fixedly connected, and the first reinforcing inclined plate 72 and the second reinforcing inclined plate 73 are arranged in a staggered manner, so that the first reinforcing inclined plate 72 and the second reinforcing inclined plate 73 can support each other and reinforce each other when in use.
Referring to fig. 4, a first reinforcing block 81 and a second reinforcing block 82 are disposed inside the first hollow groove 71, and the first reinforcing block 81 and the second reinforcing block 82 are disposed outside the first reinforcing inclined plate 72, and the first reinforcing block 81 and the second reinforcing block 82 can be used for reinforcing the second reinforcing inclined plate 73 and the first reinforcing inclined plate 72, so that the second reinforcing inclined plate 73 and the first reinforcing inclined plate 72 provide robustness to the first protective housing 41 and the second protective housing 42, and are not easily broken or damaged, the reinforcing effect and the service life of the reinforcing mechanism are further increased, and meanwhile, the first reinforcing block 81 and the second reinforcing block 82 are provided in plurality. First reinforcing block 81 and second reinforcing block 82 all are the triangle-shaped form, because of the triangle-shaped has higher stability, this makes first reinforcing block 81 and second reinforcing block 82 when playing the reinforcing effect, and the effect is better, and first reinforcing block 81 and second reinforcing block 82 symmetry set up, and this makes first hollow groove 71 and first reinforcing swash plate 72 all can be consolidated by first reinforcing block 81 and second reinforcing block 82 to the durability of second reinforcing swash plate 73 and first reinforcing swash plate 72 has been improved.
Referring to fig. 4 and 5, the second hollow groove 91 is provided in the first protective housing 41 and the second protective housing 42, the spring 92 is provided in the second hollow groove 91, the first protective housing 41 and the second protective housing 42 can limit and fix the spring 92 through the second hollow groove 91, and the spring 92 can buffer the impact of water flow on the first protective housing 41 and the second protective housing 42, so that the rigidity of the first protective housing 41 and the second protective housing 42 is increased. A first baffle 61 is disposed on a side of the first protective housing 41 away from the second protective housing 42, and a second baffle 62 is disposed on a side of the second protective housing 42 away from the first protective housing 41.
One side fixedly connected with inserted block 52 that first protecting sheathing 41 is close to second protecting sheathing 42, slot 51 has been seted up to one side that second protecting sheathing 42 is close to first protecting sheathing 41, and inserted block 52 activity is pegged graft in the inside of slot 51, be connected between slot 51 and the inserted block 52, can be used to preinstall first protecting sheathing 41 and second protecting sheathing 42, make first protecting sheathing 41 and second protecting sheathing 42 can be temporary joint together when not connecting through rivet 45, make things convenient for subsequent installation of staff and fixed.
Referring to fig. 4, the first baffle 61 and the second baffle 62 are both disposed outside the rivet 45, the first baffle 61 and the second baffle 62 can protect the rivet 45 to a certain extent, so that when the rivet 45 is used for fixing the first protective housing 41 and the second protective housing 42, the rivet 45 is not prone to severe oxidation corrosion caused by exposure to water flow or air, the service life of the rivet 45 is prolonged, one side of the mounting block 2 is fixedly connected with the vortex-eliminating fin 3, when the propeller is used, the water flow on the surface of the propeller flows along the rotation direction of the propeller body, and generates a vortex, so that a low pressure is generated at the center of the rear end of the propeller body, thereby affecting the efficiency of the propeller, and the resistance caused by the vortex can be reduced by the vortex-eliminating fin 3, thereby improving the propulsion efficiency of the propeller body when in use.
The implementation principle of the low-loss marine propeller provided by the embodiment of the application is as follows: when the device is used, the vortex elimination fin 3 can be firstly installed on the installation block 2, then the first protective shell 41 and the second protective shell 42 are placed on the outer side of the propeller blade 1, the insertion block 52 is inserted into the insertion groove 51, so that the first protective shell 41 and the second protective shell 42 can be temporarily fixed on the outer side of the propeller blade 1, then a worker can use the rivet 45 to connect the first protective shell 41 and the second protective shell 42, at this time, the installation of the first protective shell 41 and the second protective shell 42 can be completed, when the propeller blade 1 is used, the first protective shell 41 and the second protective shell 42 can play a role in protecting the propeller blade 1, so that the service life of the propeller blade 1 is prolonged, and meanwhile, the first reinforcing inclined plate 72 and the second reinforcing inclined plate 73 can play a role in reinforcing the first protective shell 41 and the second protective shell 42, the first reinforcing block 81 and the second reinforcing block 82 reinforce the first hollow groove 71 and the first reinforcing inclined plate 72, and the spring 92 can buffer the first protective housing 41 and the second protective housing 42, so that the problem that the propeller is easily corroded after being used for a long time is solved, the propeller body is greatly damaged, and the propeller cannot be used for a long time.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A low-loss marine propeller is characterized in that: the propeller blade mounting structure comprises a mounting block (2), wherein the outer side of the mounting block (2) is fixedly connected with a propeller blade (1), and a protection mechanism is arranged on the outer side of the propeller blade (1);
protection machanism is including setting up first protecting sheathing (41) and second protecting sheathing (42) in screw blade (1) both sides respectively, first mounting groove (43) have been seted up to one side of first protecting sheathing (41), second mounting groove (44) have been seted up to one side of second protecting sheathing (42), just first mounting groove (43) communicate with second mounting groove (44) each other, the inside of second mounting groove (44) and first mounting groove (43) is provided with rivet (45), rivet (45) are passed through to first protecting sheathing (41) and second protecting sheathing (42).
2. A low-loss marine propeller as claimed in claim 1, wherein: reinforcing mechanisms are arranged inside the first protective shell (41) and the second protective shell (42);
the reinforcing mechanism is including offering first hollow groove (71) in first protecting sheathing (41) and second protecting sheathing (42) inside, the inside of first hollow groove (71) is provided with first reinforcement swash plate (72) and second reinforcement swash plate (73), fixed connection between first reinforcement swash plate (72) and the second reinforcement swash plate (73), just first reinforcement swash plate (72) and second reinforcement swash plate (73) are the setting of staggering.
3. A low-loss marine propeller as claimed in claim 2, wherein: the first protective housing (41) is fixedly connected with an inserting block (52) at one side close to the second protective housing (42), a slot (51) is formed at one side of the second protective housing (42) close to the first protective housing (41), and the inserting block (52) is movably inserted into the slot (51).
4. A low-loss marine propeller as claimed in claim 2, wherein: a first reinforcing block (81) and a second reinforcing block (82) are arranged inside the first hollow groove (71), and the first reinforcing block (81) and the second reinforcing block (82) are arranged on the outer side of the first reinforcing inclined plate (72).
5. A low-loss marine propeller as claimed in claim 4, wherein: second hollow groove (91) have all been seted up to the inside of first protecting sheathing (41) and second protecting sheathing (42), the inside in second hollow groove (91) is provided with spring (92).
6. A low-loss marine propeller as claimed in claim 1, wherein: one side that second protecting sheathing (42) were kept away from in first protecting sheathing (41) is provided with first baffle (61), one side that first protecting sheathing (41) were kept away from in second protecting sheathing (42) is provided with second baffle (62), first baffle (61) and second baffle (62) all set up the outside at rivet (45).
7. A low-loss marine propeller as claimed in claim 1, wherein: one side of the mounting block (2) is fixedly connected with a vortex-eliminating fin (3).
8. A low-loss marine propeller as claimed in claim 4, wherein: the first reinforcing block (81) and the second reinforcing block (82) are both triangular, and the first reinforcing block (81) and the second reinforcing block (82) are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220231873.3U CN217260622U (en) | 2022-01-27 | 2022-01-27 | Low-loss marine propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220231873.3U CN217260622U (en) | 2022-01-27 | 2022-01-27 | Low-loss marine propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217260622U true CN217260622U (en) | 2022-08-23 |
Family
ID=82904308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220231873.3U Active CN217260622U (en) | 2022-01-27 | 2022-01-27 | Low-loss marine propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217260622U (en) |
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- 2022-01-27 CN CN202220231873.3U patent/CN217260622U/en active Active
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