CN112065771A - Can improve fan life's protection device - Google Patents
Can improve fan life's protection device Download PDFInfo
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- CN112065771A CN112065771A CN202010999026.7A CN202010999026A CN112065771A CN 112065771 A CN112065771 A CN 112065771A CN 202010999026 A CN202010999026 A CN 202010999026A CN 112065771 A CN112065771 A CN 112065771A
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- machine body
- protection device
- fan
- rod
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- 230000008878 coupling Effects 0.000 claims description 21
- 238000010168 coupling process Methods 0.000 claims description 21
- 238000005859 coupling reaction Methods 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 230000008602 contraction Effects 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract description 2
- 241000282472 Canis lupus familiaris Species 0.000 description 15
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/34—Blade mountings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of fan defect optimization, and discloses a protection device capable of prolonging the service life of a fan, which comprises a machine body, wherein brackets are fixedly arranged in the left side and the right side of the machine body, a direct current motor is fixedly arranged on the inner wall of the machine body, fan blades are movably connected to the back of the direct current motor, a fixed block is fixedly arranged on the front of the direct current motor, a connecting inner rod is fixedly arranged on the surface of the fixed block, which is far away from the vertical central line of the machine body, a first connecting assembly rotates to touch a stop block to complete automatic screwing work through the rotation of the fan blades on a connecting sleeve, when the first connecting assembly is loosened, the slide block in the inner wall of the fixed plate slides in a slide groove of the inner wall of the fixed plate, the stop block in the shrink buckle is fixed, and the, when the first connecting assembly is loosened, the stop block can drive the first connecting assembly to be screwed down, so that the first connecting assembly is tightly connected with the fixed rod, and the first connecting assembly is prevented from falling off.
Description
Technical Field
The invention relates to the technical field of fan defect optimization, in particular to a protection device capable of prolonging the service life of a fan.
Background
The fan is a driven fluid machine, and can be used for ventilation of places such as general factories, warehouses, offices and houses, forced ventilation of air coolers (air coolers), evaporators, condensers and the like, ventilation or enhanced heat dissipation of places such as metallurgy, chemical engineering, light industry, food, medical equipment, mechanical equipment and civil buildings, and can also be used as a free fan if a casing is removed, or can be installed in a longer exhaust pipeline at intervals in series to improve the air pressure in the pipeline.
The general motor resonance has the following two drawbacks:
1. when the fan blade rotates, screws on the surface of the fan blade are loosened in the long-term rotating process, and if the screws are not processed in time, the screws fall off, so that the whole fan cannot operate;
2. after a general fan runs for a long time, the direct current motor can cause the condition that the output shaft and the fan blades are connected and unstably fall off, and the output shaft and the direct current motor are seriously damaged or even destroyed.
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a protection device capable of prolonging the service life of a fan, which has the advantage of automatically screwing screws and solves the problems that:
1. when the fan blade rotates, screws on the surface of the fan blade are loosened in the long-term rotating process, and if the screws are not processed in time, the screws fall off, so that the whole fan cannot operate;
2. after a general fan runs for a long time, the direct current motor has the problem that the output shaft and the fan blades are connected and are not stably dropped, and the output shaft and the direct current motor are seriously damaged or even damaged.
(II) technical scheme
In order to achieve the purpose of achieving the advantages of the automatic screw tightening device, the invention provides the following technical scheme: a protection device capable of prolonging the service life of a fan comprises a machine body, wherein supports are fixedly arranged in the left side and the right side of the machine body, a direct current motor is fixedly arranged on the inner wall of the machine body, fan blades are movably connected to the back of the direct current motor, a fixed block is fixedly arranged on the front of the direct current motor, a connecting inner rod is fixedly arranged on the surface, away from the vertical center line of the machine body, of the fixed block, a fixed shell is fixedly arranged on the surface, away from the vertical center line of the machine body, of the connecting inner rod, a connecting outer rod is fixedly arranged on the surface, away from the vertical center line of the machine body, of the fixed shell, and;
a connecting sleeve is fixedly installed on one side, close to the vertical center line of the machine body, of each fan blade, a fixing rod is fixedly installed on the right side of each connecting sleeve, an output shaft is fixedly installed on the right side of each fixing rod, a first connecting assembly is movably connected to the inner wall of each connecting sleeve, a fixing plate is fixedly installed on the surface of the left side of each connecting sleeve, a sliding block is movably connected to the top and the bottom of the inner wall of the left side of each connecting sleeve, a shrinkage buckle is fixedly installed on the left side of each sliding block, a connecting rod is fixedly installed on the;
the inner wall of the fixing plate is provided with a chute, the inner wall of the contraction buckle is fixedly provided with a connecting seat, one side of the connecting seat close to the contraction buckle is fixedly provided with an extension spring, one side of the connecting seat far away from the contraction buckle is fixedly provided with a stop block, the bottom end of the stop block is movably connected with a torsion spring, the bottom end of the torsion spring is movably connected with a connecting plate, the front side of the connecting plate is movably connected with a supporting rod, the left side and the right side of the bottom of the supporting rod are both fixedly provided with extension plates,
the inner wall of the torsion spring is movably connected with a supporting column.
Furthermore, the inner wall of the direct current motor is fixedly provided with four circular supporting plates which are connected with the inner wall of the machine body, the number of the fan blades is five, the four circular supporting plates can effectively fix the direct current motor, and the air volume of the five fan blades is larger when the five fan blades rotate.
Further, the front of fuselage is latticed outer wall, the diameter of fuselage is thirty centimetres, the quantity of support is two, two circular horizontal pole is installed to the relative one side of support, and latticed fuselage outer wall enables the rotatory wind that produces of flabellum to blow off fast, and thirty centimetre's fuselage diameter can better protection fuselage inner structure, and two supports can be effectual fixed with the fuselage, and circular horizontal pole prevents that the support from shifting when fixed.
Further, first coupling assembling and second coupling assembling constitute by bolt, nut and gasket, first coupling assembling's diameter is greater than second coupling assembling, second coupling assembling's quantity is sixteen, sixteen second coupling assembling divide into four groups, and first coupling assembling and second coupling assembling that constitute by bolt, nut and gasket are dismantled easily when stably fixing, and the great first coupling assembling of diameter is convenient for the adapter sleeve to be fixed with the dead lever, and four groups of second coupling assembling enable to be connected stably between bracing piece and the shrink knot.
Furthermore, the quantity of dog is four, four the size and the shape of dog all equal, the thickness of dog equals with the thickness of first connecting elements nut, and four dogs can make first connecting elements all around can both contact with the dog, and the thickness of dog corresponds the thickness of first connecting elements nut, enables the better contact of dog and first connecting elements.
Further, the top and the bottom of extension spring all fixed mounting have the connecting seat, extension spring's quantity is four, and an extension spring corresponds two connecting seats of installation, and the extension spring who detains the contact through connecting seat and dog and shrink makes its area of contact bigger, can be stable fixed extension spring.
Further, the diameter of slider is less than the diameter of spout, the degree of depth of spout inner wall equals with the height of slider, the slider is a whole, and the slider that is less than the spout enables its removal in the inner wall of spout, and the spout that the degree of depth equals with the slider height is connected inseparabler with the slider, and the condition that can not appear the slider collision when rotating for a holistic slider takes place.
Further, the quantity of extension board is eight, eight the extension board divide into four groups, circular hole has been seted up to the inner wall of extension board, the material of extension board is iron, and eight extension boards correspond sixteen second coupling assembling, and the circular hole that the inner wall of extension board was seted up makes things convenient for the installation of second coupling assembling, and the extension board of iron is not fragile.
Further, the connecting rod passes through screw and fixing base through connection, circular hole has been seted up to the inner wall of fixing base, first connecting element is hexagonal flat head bolt, and is more stable firm with screw and fixing base through connection's connecting rod, and the hole that the fixing base inner wall was seted up makes things convenient for the screw to run through, and hexagonal flat head bolt's first connecting element has the edges and corners, can touch with the dog when rotating.
(III) advantageous effects
Compared with the prior art, the invention provides a protection device capable of prolonging the service life of a fan, which has the following beneficial effects:
1. the utility model provides a can improve fan life's protection device, flabellum through the adapter sleeve rotates, make first connecting assembly rotate and accomplish automatic work of screwing up with the dog touching, when first connecting assembly appears not hard up, slide in the spout of fixed plate inner wall because of the slider that the shrink was detained, make the inside dog of shrink knot motionless, and first connecting assembly rotates and makes its edges and corners and dog touching, the dog can drive its screwing up when first connecting assembly is not hard up, make first connecting assembly be connected closely with the dead lever, prevent that it from coming off.
2. The utility model provides a can improve fan life's protection device, not only can prevent through the rotation that the screw is not hard up, still have the effect that can stabilize fixed DC motor, the single DC motor who leans on the output shaft to fix, after long-time operation, drop easily and damage, with fixed block will with DC motor fixed connection, then the fixed block makes fixed shell fixed with it through connecting in the pole, the connection outer pole of fixed shell outer wall installation passes through the mounting panel and is fixed with fuselage inner wall connection, accomplish the fixed to DC motor.
Drawings
FIG. 1 is a rear view of the overall structure of the present invention without the anchor block installed;
FIG. 2 is a partial side view of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic view of a fan according to the present invention;
FIG. 5 is a schematic view of a first connecting assembly according to the present invention;
FIG. 6 is a schematic view of the stop structure of the present invention after installation;
FIG. 7 is an enlarged view taken at B of FIG. 6 according to the present invention;
FIG. 8 is a schematic view of a support bar according to the present invention;
FIG. 9 is a perspective view of the overall structure of the present invention;
FIG. 10 is a schematic view of the structure of the motor mounting block of the present invention
Fig. 11 is a side view of the motor mounting block structure of the present invention.
In the figure: 1. a body; 2. a support; 3. a direct current motor; 311. a fixed block; 312. connecting the inner rod; 313. connecting the outer rod; 314. mounting a plate; 315. fixing the housing; 4. a fan blade; 5. connecting sleeves; 6. fixing the rod; 7. an output shaft; 8. a first connection assembly; 9. a fixing plate; 10. a retractable buckle; 11. a connecting rod; 12. a fixed seat; 13. a slider; 14. a chute; 15. an extension spring; 16. a connecting seat; 17. a stopper; 18. a torsion spring; 19. a connecting plate; 20. a support bar; 21. an extension plate; 22. a second connection assembly; 23. and (4) a support column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1, 10 and 11, a protection device capable of prolonging the service life of a fan comprises a machine body 1, wherein the front surface of the machine body 1 is a latticed outer wall, the diameter of the machine body 1 is thirty centimeters, the number of supports 2 is two, circular cross bars are arranged on opposite sides of the two supports 2, the outer wall of the latticed machine body 1 can enable wind generated by the rotation of fan blades 4 to be blown out quickly, the diameter of the machine body 1 of thirty centimeters can better protect the internal structure of the machine body 1, the two supports 2 can effectively fix the machine body 1, the circular cross bars can prevent the supports 2 from displacing when being fixed, the supports 2 are fixedly arranged in the left side and the right side of the machine body 1, a direct current motor 3 is fixedly arranged on the inner wall of the machine body 1, four circular support plates are fixedly arranged on the inner wall of the direct current motor 3 and connected with the inner wall of the machine body 1, the number of the, the air volume of the five fan blades 4 is larger when the five fan blades are rotated, the back of the direct current motor 3 is movably connected with the fan blades 4, the front of the direct current motor 3 is fixedly provided with a fixed block 311, the surface of the fixed block 311, which is far away from the vertical central line of the machine body 1, is fixedly provided with a connecting inner rod 312, the surface of the connecting inner rod 312, which is far away from the vertical central line of the machine body 1, is fixedly provided with a fixed shell 315, the surface of the fixed shell 315, which is far away from the vertical central line of the machine body 1, is fixedly provided with a connecting;
referring to fig. 2-4, a connecting sleeve 5 is fixedly installed on one side of the fan blade 4 close to the vertical center line of the machine body 1, a fixing rod 6 is fixedly installed on the right side of the connecting sleeve 5, an output shaft 7 is fixedly installed on the right side of the fixing rod 6, a first connecting assembly 8 is movably connected to the inner wall of the connecting sleeve 5, the first connecting assembly 8 and the second connecting assembly 22 are both composed of bolts, nuts and gaskets, the diameter of the first connecting assembly 8 is larger than that of the second connecting assembly 22, the number of the second connecting assemblies 22 is sixteen, the sixteen second connecting assemblies 22 are divided into four groups, the first connecting assembly 8 and the second connecting assembly 22 composed of bolts, nuts and gaskets are stably fixed and are easily disassembled, the connecting sleeve 5 and the fixing rod 6 are conveniently fixed by the first connecting assembly 8 with a larger diameter, and the four groups of second connecting assemblies can stably connect, the left side surface of the connecting sleeve 5 is fixedly provided with a fixing plate 9, the top and the bottom of the left side inner wall of the connecting sleeve 5 are both movably connected with a sliding block 13, the diameter of the sliding block 13 is smaller than that of the sliding groove 14, the depth of the inner wall of the sliding groove 14 is equal to the height of the sliding block 13, the sliding block 13 is a whole body, the sliding block 13 smaller than the sliding groove 14 can move in the inner wall of the sliding groove 14, the sliding groove 14 with the depth equal to the height of the sliding block 13 is more tightly connected with the sliding block 13, the sliding block 13 which is a whole body can not generate the collision condition of the sliding block 13 when rotating, the left side of the sliding block 13 is fixedly provided with a shrinkage buckle 10, the left side of the shrinkage buckle 10 is fixedly provided with a connecting rod 11, the connecting rod 11 is in penetrating connection with a fixing seat 12 through a screw, the inner, a hole formed in the inner wall of the fixed seat 12 facilitates the penetration of a screw, the first connecting component 8 of the hexagon flat head bolt is provided with an edge angle and can be contacted with the stop block 17 during rotation, and the fixed seat 12 is fixedly arranged on the left side of the connecting rod 11;
referring to fig. 5-7, the inner wall of the fixing plate 9 is provided with a sliding groove 14, the inner wall of the buckle 10 is fixedly provided with connecting seats 16, one side of each connecting seat 16 close to the buckle 10 is fixedly provided with an extension spring 15, the top end and the bottom end of each extension spring 15 are fixedly provided with the connecting seats 16, the number of the extension springs 15 is four, one extension spring 15 is correspondingly provided with two connecting seats 16, the contact area of the extension springs 15 is larger through the connecting seats 16 and the stop blocks 17 in contact with the buckle 10, the extension springs 15 can be stably fixed, the stop blocks 17 are fixedly provided on the side of each connecting seat 16 far away from the buckle 10, the number of the stop blocks 17 is four, the size and the shape of the four stop blocks 17 are equal, the thickness of the stop block 17 is equal to that of the nut of the first connecting assembly 8, and the four stop blocks 17 can enable the, the thickness of the stop block 17 corresponds to the thickness of a nut of the first connecting assembly 8, the stop block 17 can be better contacted with the first connecting assembly 8, the bottom end of the stop block 17 is movably connected with a torsion spring 18, the bottom end of the torsion spring 18 is movably connected with a connecting plate 19, the front surface of the connecting plate 19 is movably connected with a supporting rod 20, the left side and the right side of the bottom of the supporting rod 20 are fixedly provided with extension plates 21, the number of the extension plates 21 is eight, the eight extension plates 21 are divided into four groups, the inner wall of each extension plate 21 is provided with a circular hole, the extension plates 21 are made of iron, the eight extension plates 21 correspond to sixteen second connecting assemblies 22, the circular holes formed in the inner wall of each extension plate 21 facilitate the installation of the second connecting assemblies 22, the iron extension plates;
referring to fig. 8 and 9, a support column 23 is movably connected to the inner wall of the torsion spring 18.
The working principle is that after the fan is fixed on a machine body 1 through a support 2, a direct current motor 3 is started, an output shaft 7 of the direct current motor 3 drives a fixed rod 6 to rotate, the fixed rod 6 drives a connecting sleeve 5 and a fan blade 4 thereof to rotate, a rear fixed plate 9 rotates to enable a sliding groove 14 of the inner wall of the rear fixed plate to slide on the outer wall of a sliding block 13, the sliding block 13 is fixed and fixed with a connecting rod 11 through a contraction buckle 10, when a first connecting component 8 is loosened, the first connecting component 8 is contacted with a stop block 17 through the rotation of the first connecting component 8, the stop block 17 enables the loosened first connecting component 8 to continuously rotate and be screwed, when the first connecting component 8 is screwed to a certain degree, the first connecting component 8 is not screwed continuously, and at the moment, the stop block 17 is subjected to an outward force when the first connecting component 8 passes through the stop block 17, then make it remove to the outside through torsional spring 18, and extension spring 15 receives 16 outside extrusion of connecting seat and the shrink drives dog 17 and removes this moment, and after the edges and corners of first coupling assembly 8 passed through, extension spring 15 transmits to torsional spring 18 through the power of resilience, then drives dog 17 and returns the original place, accomplishes when first coupling assembly 8 is not hard up, lasts the function of screwing up, prevents that first coupling assembly 8 is not hard up and drops, causes the damage of fan.
In summary, a protection device capable of prolonging the service life of a fan, wherein a first connecting component 8 rotates to contact with a stop 17 to complete the automatic screwing operation by rotating a fan blade 4 on a connecting sleeve 5, when the first connecting component 8 becomes loose, the stop 17 inside the shrinkage buckle 10 is fixed because a sliding block 13 of the shrinkage buckle 10 slides in a sliding groove 14 on the inner wall of a fixing plate 9, and the first connecting component 8 rotates to contact with the stop 17 at the edge angle thereof, the stop 17 can drive the first connecting component to screw when the first connecting component 8 becomes loose, so that the first connecting component 8 is tightly connected with a fixing rod 6 to prevent the first connecting component 8 from falling off, thereby not only preventing the screw from loosening by rotation, but also having the function of stably fixing a direct current motor 3, the direct current motor 3 fixed by an output shaft 7 alone is easy to fall and damage after long-time operation, and is fixedly connected with the direct current motor 3 by a fixing block 311, then the fixed block 311 fixes the fixed housing 315 by connecting the inner rod 312, and the connecting outer rod 313 mounted on the outer wall of the fixed housing 315 is connected and fixed with the inner wall of the machine body 1 by the mounting plate 314, so as to complete the fixation of the dc motor 3.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a can improve fan life's protection device, includes fuselage (1), its characterized in that: the novel multifunctional electric fan is characterized in that supports (2) are fixedly mounted in the left side and the right side of the machine body (1), a direct current motor (3) is fixedly mounted on the inner wall of the machine body (1), fan blades (4) are movably connected to the back of the direct current motor (3), a fixing block (311) is fixedly mounted on the front of the direct current motor (3), a connecting inner rod (312) is fixedly mounted on the surface of the fixing block (311) away from the vertical center line of the machine body (1), a fixing shell (315) is fixedly mounted on the surface of the connecting inner rod (312) away from the vertical center line of the machine body (1), a connecting outer rod (313) is fixedly mounted on the surface of the fixing shell (315) away from the vertical center line of the machine body (1), and a mounting plate (314) is movably connected to;
a connecting sleeve (5) is fixedly installed on one side, close to the vertical center line of the machine body (1), of the fan blade (4), a fixing rod (6) is fixedly installed on the right side of the connecting sleeve (5), an output shaft (7) is fixedly installed on the right side of the fixing rod (6), a first connecting assembly (8) is movably connected to the inner wall of the connecting sleeve (5), a fixing plate (9) is fixedly installed on the surface of the left side of the connecting sleeve (5), sliding blocks (13) are movably connected to the top and the bottom of the inner wall of the left side of the connecting sleeve (5), a shrinkage buckle (10) is fixedly installed on the left side of each sliding block (13), a connecting rod (11) is fixedly installed on the left side of each shrinkage buckle (10);
the inner wall of the fixing plate (9) is provided with a sliding groove (14), the inner wall of the contraction buckle (10) is fixedly provided with a connecting seat (16), one side, close to the contraction buckle (10), of the connecting seat (16) is fixedly provided with an extension spring (15), one side, far away from the contraction buckle (10), of the connecting seat (16) is fixedly provided with a stop block (17), the bottom end of the stop block (17) is movably connected with a torsion spring (18), the bottom end of the torsion spring (18) is movably connected with a connecting plate (19), the front surface of the connecting plate (19) is movably connected with a supporting rod (20), the left side and the right side of the bottom of the supporting rod (20) are fixedly provided with extension plates (21), and the inner;
the inner wall of the torsion spring (18) is movably connected with a supporting column (23).
2. The protection device capable of prolonging the service life of the fan according to claim 1, characterized in that: the inner wall of the direct current motor (3) is fixedly provided with four circular supporting plates connected with the inner wall of the machine body (1), and the number of the fan blades (4) is five.
3. The protection device capable of prolonging the service life of the fan according to claim 1, characterized in that: the front of fuselage (1) is latticed outer wall, the diameter of fuselage (1) is thirty centimetres, the quantity of support (2) is two, two circular horizontal pole is installed to the relative one side of support (2).
4. The protection device capable of prolonging the service life of the fan according to claim 1, characterized in that: first coupling assembling (8) and second coupling assembling (22) constitute by bolt, nut and gasket, the diameter of first coupling assembling (8) is greater than second coupling assembling (22), the quantity of second coupling assembling (22) is sixteen, sixteen second coupling assembling (22) divide into four groups.
5. The protection device capable of prolonging the service life of the fan according to claim 1, characterized in that: the number of the stop blocks (17) is four, the size and the shape of the four stop blocks (17) are equal, and the thickness of the stop blocks (17) is equal to that of the nuts of the first connecting assembly (8).
6. The protection device capable of prolonging the service life of the fan according to claim 1, characterized in that: the top and the bottom of extension spring (15) all fixed mounting have connecting seat (16), the quantity of extension spring (15) is four.
7. The protection device capable of prolonging the service life of the fan according to claim 1, characterized in that: the diameter of the sliding block (13) is smaller than that of the sliding groove (14), the depth of the inner wall of the sliding groove (14) is equal to the height of the sliding block (13), and the sliding block (13) is a whole.
8. The protection device capable of prolonging the service life of the fan according to claim 1, characterized in that: the quantity of extension board (21) is eight, eight extension board (21) divide into four groups, circular hole has been seted up to the inner wall of extension board (21), the material of extension board (21) is iron.
9. The protection device capable of prolonging the service life of the fan according to claim 1, characterized in that: the connecting rod (11) is in through connection with the fixing seat (12) through screws, a round hole is formed in the inner wall of the fixing seat (12), and the first connecting component (8) is a hexagon flat head bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010999026.7A CN112065771B (en) | 2020-09-22 | 2020-09-22 | Can improve fan life's protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010999026.7A CN112065771B (en) | 2020-09-22 | 2020-09-22 | Can improve fan life's protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112065771A true CN112065771A (en) | 2020-12-11 |
| CN112065771B CN112065771B (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010999026.7A Active CN112065771B (en) | 2020-09-22 | 2020-09-22 | Can improve fan life's protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112065771B (en) |
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| CN208816503U (en) * | 2018-09-27 | 2019-05-03 | 安徽西马新能源技术有限公司 | A kind of integral type lock nut |
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| CN210461112U (en) * | 2019-06-03 | 2020-05-05 | 中山市广锐电器有限公司 | Special efficient energy-saving fan for warm fan |
| CN111536137A (en) * | 2020-04-27 | 2020-08-14 | 三一重型装备有限公司 | Bolt anti-loosening device and anti-loosening method thereof |
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| JP2004092897A (en) * | 2002-08-31 | 2004-03-25 | Yoshiki Shirahama | Apparatus for additionally tightening nut by utilizing twisting and returning force in torsional spring as rotational force |
| CN207647946U (en) * | 2017-08-07 | 2018-07-24 | 新昌县精特网络科技有限公司 | A kind of nut for protecting bolt to prevent bolt falling |
| CN208763991U (en) * | 2018-09-17 | 2019-04-19 | 青岛海松机械有限公司 | A kind of nut structure on radiator fan shroud |
| CN208816503U (en) * | 2018-09-27 | 2019-05-03 | 安徽西马新能源技术有限公司 | A kind of integral type lock nut |
| CN210290186U (en) * | 2019-04-10 | 2020-04-10 | 德州沈武风机有限公司 | Main body machine of fire-fighting smoke exhaust fan |
| CN210461112U (en) * | 2019-06-03 | 2020-05-05 | 中山市广锐电器有限公司 | Special efficient energy-saving fan for warm fan |
| CN111536137A (en) * | 2020-04-27 | 2020-08-14 | 三一重型装备有限公司 | Bolt anti-loosening device and anti-loosening method thereof |
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| CN112065771B (en) | 2021-11-16 |
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Effective date of registration: 20211028 Address after: 528211 workshop of pine base land, team 8, Nansha village, Xintian, Xiqiao Town, Nanhai District, Foshan City, Guangdong Province Applicant after: Foshan lingjingfeng Electromechanical Equipment Co.,Ltd. Address before: 318000 Zhejiang Linhai Zhefu Motor Co., Ltd., No. 37 Lishan Road, Gucheng street, Linhai City, Taizhou City, Zhejiang Province Applicant before: Fang Ying |
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