CN112253540A - A shock attenuation dust cover for fan - Google Patents
A shock attenuation dust cover for fan Download PDFInfo
- Publication number
- CN112253540A CN112253540A CN202011143932.3A CN202011143932A CN112253540A CN 112253540 A CN112253540 A CN 112253540A CN 202011143932 A CN202011143932 A CN 202011143932A CN 112253540 A CN112253540 A CN 112253540A
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- Prior art keywords
- fan
- shock
- supporting leg
- groove
- protective shell
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- 230000035939 shock Effects 0.000 title claims abstract description 40
- 239000000428 dust Substances 0.000 title claims abstract description 22
- 230000001681 protective effect Effects 0.000 claims abstract description 35
- 238000013016 damping Methods 0.000 claims abstract description 28
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 2
- 241000886569 Cyprogenia stegaria Species 0.000 abstract description 7
- 230000003139 buffering effect Effects 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 11
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 241000255925 Diptera Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000035807 sensation Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 241001233242 Lontra Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- F04D29/40—Casings; Connections of working fluid
- F04D29/403—Casings; Connections of working fluid 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
- F04D29/601—Mounting; Assembling; Disassembling specially 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of fan shells and discloses a shock-absorbing dustproof shell for a fan, which comprises a front protective shell and a rear cover shell, wherein a fixed plate is fixedly arranged in the front protective shell, a motor mounting groove is fixedly arranged at the other end of the fixed plate, and a first supporting leg is fixedly connected to the right side of the bottom of the front protective shell. This a shock attenuation dust cover for fan, the inside a plurality of shock-absorbing structure that set up of supporting leg through fan housing bottom, the vibrations that produce in the fan use are felt to be alleviated, when the fan uses and produces vibrations, fan housing can produce vibrations because of the rotation of inside motor and feel, the inside first damping spring of supporting leg can receive the vibrations pressure that comes from the buffer board and produce buffering elasticity this moment, alleviate its fan housing's vibration range, the second damping spring can receive the vibrations extrusion of backup pad and produce the vibration range that buffering elasticity alleviated the backup pad, thereby the vibrations that have reduced the fan in the use are felt greatly.
Description
Technical Field
The invention relates to the technical field of fan shells, in particular to a damping dustproof shell for a fan.
Background
Fan refers to a tool for cooling by generating wind in hot days. The electric fan is a device which is driven by electricity to generate airflow, a fan arranged in the electric fan is electrified to rotate to generate natural wind to achieve the cooling effect, the electric fan is selected from a table type electric fan and a floor type electric fan, and the two types of electric fans are generally divided into a standard popular type electric fan and an electronic luxury type electric fan. The former is characterized by simple structure, convenient operation and low selling price, and generally has two functions of speed regulation and wind direction change, and the latter is characterized by complex and changeable function and luxury and exquisite shape. The consumer can decide whether to accept the electric tool based on the premise of practicability or practical, decorative and luxurious consideration, the shell is a physical structure, and the electric tool is an outermost structure of a complete electric tool entity by using a support, a connection motor, a transmission mechanism, a switch, a handle and an accessory device, and the desk fan generally comprises a motor, a shell and fan blades.
The existing desk fan shell has single function, can only be used for protecting and supporting an internal motor, fan blades and electronic components, the existing fan is easy to vibrate in the using process, if the bottom of a desktop, a cabinet surface and other supports is uneven, the existing fan is easy to vibrate to generate shaking noise, and the fan blades are deeply touched for a long time to easily absorb dust.
Disclosure of Invention
The present invention is directed to a shock-absorbing and dust-proof housing for a fan, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a shock-absorbing dustproof shell for a fan comprises a front protective shell and a rear cover shell, wherein a fixed plate is fixedly arranged inside the front protective shell, a motor mounting groove is fixedly arranged at the other end of the fixed plate, a first supporting leg is fixedly connected to the right side of the bottom of the front protective shell, a first shock-absorbing column is fixedly connected inside the first supporting leg, a buffer plate is fixedly connected to the upper end of a column body of the first shock-absorbing column, a first shock-absorbing spring is sleeved on the column body of the first shock-absorbing column, a supporting plate is inserted into the bottom end of the first shock-absorbing column, an anti-skidding rubber pad is bonded to the bottom of the supporting plate, a first spring groove is formed in the front end of the inner top wall of the first supporting leg, a second shock-absorbing column is fixedly connected to the bottom of the first spring groove, a second shock-absorbing spring is sleeved on the column body of the second shock-absorbing column, and a, the utility model discloses a dustproof filter screen, including preceding protective case, connecting hole, annular mounting groove, annular connecting plate, internal thread hole, the inside threaded connection in internal thread hole has the bolt, the inside fixed mounting of back lid has dustproof filter screen, the inside rear end fixed mounting of back lid has the baffle.
Preferably, the front casing cover is provided with mounting holes at the upper left corner, the number of the mounting holes is 3, and the mounting holes are respectively arranged at four corners of the front casing cover.
Preferably, the number of the fixing plates is 4, the fixing plates are respectively fixedly installed on the inner wall of the front protective shell by taking the inner center of the front protective shell as a circle center at equal intervals, and the other end of each fixing plate is fixedly installed on the outer wall of the motor installation groove.
Preferably, the left side of the bottom of the front protective shell is fixedly connected with a second supporting leg, and the internal structure of the second supporting leg is the same as that of the first supporting leg.
Preferably, the second spring groove has been seted up to the left end upper surface of backup pad, the through-hole has been seted up to the bottom in second spring groove, the cylinder of second shock attenuation post runs through the diapire of the through-hole fixed connection that the second spring groove bottom was seted up at first supporting leg, the clamp has the second damping spring between second spring groove and the first spring groove, the quantity of second shock attenuation post is 2, and fixed connection is respectively on the inside left side and the right side of first supporting leg, and the cylinder of every first supporting column has all cup jointed damping spring.
Preferably, an insertion groove is formed in the left side of the upper surface of the supporting plate, a first damping column is inserted into the insertion groove, a limiting block is fixedly mounted at the bottom end of the first damping column, a cover plate is fixedly mounted on the upper surface of a notch of the insertion groove, a through hole is formed in the middle of the cover plate, and the first damping column penetrates through the through hole formed in the middle of the cover plate.
Preferably, the number of the internal thread holes is 3, the internal thread holes are respectively formed in the front wall of the annular mounting groove at equal intervals by taking the center of the annular mounting groove as a circle center, the number of the fastening holes is 3, the fastening holes are respectively formed in the back of the annular connecting plate at equal intervals by taking the center of the annular connecting plate as a circle center, and the bolts penetrate through the fastening holes and are connected inside the internal thread holes of the annular mounting groove in a threaded mode.
Compared with the prior art, the invention provides the shock-absorbing dustproof shell for the fan. The method has the following beneficial effects:
1. this a shock attenuation dust cover for fan, the inside a plurality of shock-absorbing structures that set up of supporting leg through fan housing bottom, the vibrations that produce in the fan use are felt to be alleviated, when the fan uses and produces vibrations, fan housing can produce vibrations because of the rotation of inside motor and feel, the inside first damping spring of supporting leg can receive the vibrations pressure that comes from the buffer board and produce buffering elasticity this moment, the vibration range of alleviating its fan housing, the second damping spring can receive the vibrations extrusion of backup pad and produce the vibration range that buffering elasticity alleviated the backup pad, thereby the vibrations that have reduced the fan in the use are felt greatly.
2. This a shock attenuation dust cover for fan, through the dustproof filter screen board of the inside fixed mounting at the back lid shell can intercept the fan in the use induced drafts the dust in the in-process to its air current, prevents that the fan from being in long-time use fan blade surface bonding one deck dust, prevents simultaneously that the mosquito from being inhaled from the fan back and blowing out.
3. This a shock attenuation dust cover for fan can make the annular connecting plate break away from annular mounting groove through rotating the bolt to make the back lid shell break away from the back of protecting the shell in the past, conveniently filter the otter board to the dustproof filtration of inside of back lid shell and carry out dust clearance or wash, simple structure conveniently dismantles and installs.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side sectional view of the present invention;
FIG. 3 is a cross-sectional view of a support leg according to the present invention;
FIG. 4 is a schematic view of the backside structure of the present invention;
FIG. 5 is a schematic view of the internal structure of the rear cover shell of the present invention;
FIG. 6 is an enlarged view taken at A in FIG. 2;
fig. 7 is an enlarged view at B in fig. 3.
In the figure: 1 preceding protective case, 2 back cover shells, 3 first supporting legs, 4 fixed plates, 5 motor mounting grooves, 6 baffles, 7 dustproof filter screen boards, 8 supporting plates, 9 anti-skidding rubber pads, 10 preceding protective case covers, 11 second supporting legs, 12 switch grooves, 13 connecting holes, 14 annular connecting plates, 15 first shock-absorbing columns, 16 buffer plates, 17 first shock-absorbing springs, 18 inserting grooves, 19 cover plates, 20 limiting blocks, 21 first spring grooves, 22 second shock-absorbing columns, 23 second shock-absorbing springs, 24 second spring grooves, 25 annular mounting grooves, 26 fastening holes, 27 internal threaded holes, 28 bolts.
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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Referring to fig. 1-7, the present invention provides a technical solution: a shock-absorbing dustproof shell for a fan comprises a front protective shell 1 and a rear cover shell 2, wherein fixed plates 4 are fixedly arranged inside the front protective shell 1, motor mounting grooves 5 are fixedly arranged at the other ends of the fixed plates 4, the number of the fixed plates 4 is 4, the fixed plates are respectively fixedly arranged on the inner wall of the front protective shell 1 by taking the inner center of the front protective shell 1 as the center of a circle at equal intervals, the other end of each fixed plate 4 is fixedly arranged on the outer wall of the motor mounting groove 5, a first supporting leg 3 is fixedly connected to the right side of the bottom of the front protective shell 1, a first shock-absorbing column 15 is fixedly connected inside the first supporting leg 3, a buffer plate 16 is fixedly connected to the upper end of a column body of the first shock-absorbing column 15, a first shock-absorbing spring 17 is sleeved on the column body of the first shock-absorbing column 15, a supporting plate 8 is inserted into the bottom end of the first shock-absorbing column 15, an anti-skid rubber pad 9 is, the bottom of the first spring groove 21 is fixedly connected with a second damping column 22, the column body of the second damping column 22 is sleeved with a second damping spring 23, the lower end of the column body of the second damping column 22 is inserted with a support plate 8, the upper surface of the left end of the support plate 8 is provided with a second spring groove 24, the bottom of the second spring groove 24 is provided with a through hole, the column body of the second damping column 22 penetrates through the through hole arranged at the bottom of the second spring groove 24 and is fixedly connected with the bottom wall of the first support leg 3, the second damping spring 23 is clamped between the second spring groove 24 and the first spring groove 21, the number of the second damping column 22 is 2, the second damping column 22 is respectively and fixedly connected with the left side and the right side inside the first support leg 3, each first support column is sleeved with a damping spring, the left side of the upper surface of the support plate 8 is provided with an insertion groove 18, the first damping column 15 is inserted inside the insertion groove 18, the bottom end of the first damping, a cover plate 19 is fixedly arranged on the upper surface of a notch of the inserting groove 18, a through hole is arranged in the middle of the cover plate 19, the first shock absorbing column 5 penetrates through the through hole arranged in the middle of the cover plate 19, a front protective shell cover 10 is fixedly arranged on the front surface of a front protective shell 1, a switch groove 12 is arranged on the right upper corner of the front protective shell cover 10, a connecting hole 13 is arranged on the rear wall of the switch groove 12, a mounting hole is arranged on the left upper corner of the front protective shell cover 10, the number of the mounting holes is 4, the mounting holes are respectively arranged on four corners of the front protective shell cover 10, an annular mounting groove 25 is arranged on the back surface of the front protective shell 1, an annular connecting plate 14 is fixedly arranged inside the annular mounting groove 25, the back surface of the annular connecting plate 14 is fixedly connected with a back cover shell 2, a fastening hole 26 is arranged on the upper end of the back surface of the annular, the dust-proof filter screen plate is characterized in that the dust-proof filter screen plate is respectively arranged at the center of the annular mounting groove 25 at equal intervals on the front wall inside the annular mounting groove 25, the number of the fastening holes 26 is 3, the fastening holes 26 are respectively arranged at the back side of the annular connecting plate 14 at equal intervals on the center of the annular connecting plate 14, the bolts 28 penetrate through the fastening holes 26 and are in threaded connection with the inner threaded holes 27 inside the annular mounting groove 25, the annular connecting plate 14 can be separated from the annular mounting groove 25 by rotating the bolts 28, so that the rear cover shell 2 is separated from the back side of the front protective shell 1, the dust in the air flow of the fan can be conveniently cleaned or cleaned by the dust-proof filter screen plate 7 fixedly arranged inside the rear cover shell 2, the structure is simple and convenient to disassemble and install, the dust-proof filter screen 7 is fixedly arranged inside the rear cover shell 2, the dust in the air suction process of the fan can be intercepted, meanwhile, mosquitoes are prevented from being sucked and blown out from the back of the fan, the clapboard 6 is fixedly arranged at the rear end inside the rear cover shell 2, the second supporting leg 11 is fixedly connected at the left side of the bottom of the front protective shell 1, the internal structure of the second supporting leg 11 is the same as that of the first supporting leg 3, the supporting legs 3 at the bottom of the fan shell are internally provided with a plurality of shock absorption structures to relieve the shock feeling generated in the use process of the fan, when the fan uses and produces vibrations, the fan housing can produce the vibrations because of the rotation of inside motor and feel, and the inside first damping spring 17 of supporting leg 8 can receive the vibrations pressure that comes from buffer board 16 and produce buffering elasticity this moment, alleviates its fan housing's vibration range, and second damping spring 23 can receive the vibrations extrusion of backup pad 8 and produce buffering elasticity and alleviate backup pad 8's vibration range to the vibrations that have reduced the fan in the use are felt greatly.
In the actual operation process, when the device is used, a plurality of shock absorption structures are arranged inside the supporting leg 3 at the bottom of the fan shell to relieve the shock sensation generated in the use process of the fan, when the fan generates the shock in use, the fan shell generates the shock sensation due to the rotation of an internal motor, at the moment, the first shock absorption spring 17 inside the supporting leg 8 generates the buffer elastic force due to the shock pressure from the buffer plate 16 to relieve the shock amplitude of the fan shell, the second shock absorption spring 23 generates the buffer elastic force due to the shock extrusion of the supporting plate 8 to relieve the shock amplitude of the supporting plate 8, so the shock sensation in the use process of the fan is greatly reduced, the dust in the air flow of the fan can be intercepted in the use and air suction process of the fan through the dustproof filter screen plate 7 fixedly arranged inside the rear cover shell 2, and the surface of the fan blade is prevented from being adhered with a layer of dust in the long-time use process of, meanwhile, mosquitoes are prevented from being sucked and blown out from the back of the fan, the annular connecting plate 14 can be separated from the annular mounting groove 25 by rotating the bolt 28, so that the rear cover shell 2 is separated from the back of the front protective shell 1, the dust cleaning or cleaning is conveniently carried out on the dustproof filter screen plate 7 in the rear cover shell 2, and the structure is simple and convenient to detach and install.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
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 (7)
1. The utility model provides a shock attenuation dust cover for fan, includes preceding protecting crust (1), back lid shell (2), its characterized in that: a fixing plate (4) is fixedly installed inside the front protective shell (1), a motor installation groove (5) is fixedly installed at the other end of the fixing plate (4), a first supporting leg (3) is fixedly connected to the right side of the bottom of the front protective shell (1), a first shock absorption column (15) is fixedly connected inside the first supporting leg (3), a buffer plate (16) is fixedly connected to the upper end of a column body of the first shock absorption column (15), a first shock absorption spring (17) is sleeved on the column body of the first shock absorption column (15), a supporting plate (8) is inserted into the bottom end of the first shock absorption column (15), an anti-skid rubber pad (9) is bonded to the bottom of the supporting plate (8), a first spring groove (21) is formed in the front end of the inner top wall of the first supporting leg (3), a second shock absorption column (22) is fixedly connected to the bottom of the first spring groove (21), a second damping spring (23) is sleeved on a cylinder of the second damping column (22), a supporting plate (8) is inserted into the lower end of the cylinder of the second damping column (22), a front protective shell cover (10) is fixedly installed on the front surface of the front protective shell (1), a switch slot (12) is formed in the upper right corner of the front protective shell cover (10), a connecting hole (13) is formed in the rear wall of the switch slot (12), an annular installing groove (25) is formed in the back surface of the front protective shell (1), an annular connecting plate (14) is fixedly installed inside the annular installing groove (25), a rear cover shell (2) is fixedly connected to the back surface of the annular connecting plate (14), a fastening hole (26) is formed in the upper end of the back surface of the annular connecting plate (14), an internal threaded hole (27) is formed in the upper end of the front wall of the annular installing groove (25), and a bolt (28) is connected, the inside fixed mounting of back lid shell (2) has dustproof filter screen (7), the inside rear end fixed mounting of back lid shell (2) has baffle (6).
2. The shock absorbing and dust proof enclosure for a fan of claim 1, wherein: the mounting holes are formed in the upper left corner of the front casing cover (10), the number of the mounting holes is 4, and the mounting holes are formed in four corners of the front casing cover (10) respectively.
3. The shock absorbing and dust proof enclosure for a fan of claim 1, wherein: the number of the fixing plates (4) is 4, the fixing plates are respectively fixedly arranged on the inner wall of the front protective shell (1) at equal intervals by taking the inner center of the front protective shell (1) as a circle center, and the other end of each fixing plate (4) is fixedly arranged on the outer wall of the motor mounting groove (5).
4. The shock absorbing and dust proof enclosure for a fan of claim 1, wherein: the bottom left side fixedly connected with second supporting leg (11) of preceding protective housing (1), the inner structure of second supporting leg (11) is the same with the inner structure of first supporting leg (3).
5. The shock absorbing and dust proof enclosure for a fan of claim 1, wherein: second spring groove (24) have been seted up to the left end upper surface of backup pad (8), the through-hole has been seted up to the bottom in second spring groove (24), the cylinder of second shock attenuation post (22) runs through the diapire of the through-hole fixed connection that second spring groove (24) bottom was seted up at first supporting leg (3), it has second damping spring (23) to press from both sides the connection between second spring groove (24) and first spring groove (21), the quantity of second shock attenuation post (22) is 2, fixed connection respectively in the inside left side and right side of first supporting leg (3), and the cylinder of every first supporting leg has all cup jointed damping spring.
6. The shock absorbing and dust proof enclosure for a fan of claim 1, wherein: inserting groove (18) have been seted up on the upper surface left side of backup pad (8), the inside grafting of inserting groove (18) has first shock attenuation post (15), the bottom fixed mounting of first shock attenuation post (5) has stopper (20), fixed surface installs apron (19) on the notch of inserting groove (18), the through-hole has been seted up at the middle part of apron (19), first shock attenuation post (5) run through the through-hole that apron (19) middle part was seted up.
7. The shock absorbing and dust proof enclosure for a fan of claim 1, wherein: the number of the internal thread holes (27) is 3, the internal thread holes are respectively arranged on the front wall of the inner part of the annular mounting groove (25) at equal intervals by taking the center of the annular mounting groove (25) as the center of a circle, the number of the fastening holes (26) is 3, the internal thread holes are respectively arranged on the back surface of the annular connecting plate (14) at equal intervals by taking the center of the annular connecting plate (14) as the center of a circle, and the bolts (28) penetrate through the fastening holes (26) and are in threaded connection with the inside of the internal thread holes (27) of the annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011143932.3A CN112253540A (en) | 2020-10-23 | 2020-10-23 | A shock attenuation dust cover for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011143932.3A CN112253540A (en) | 2020-10-23 | 2020-10-23 | A shock attenuation dust cover for fan |
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| Publication Number | Publication Date |
|---|---|
| CN112253540A true CN112253540A (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011143932.3A Pending CN112253540A (en) | 2020-10-23 | 2020-10-23 | A shock attenuation dust cover for fan |
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| CN (1) | CN112253540A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112889793A (en) * | 2021-02-04 | 2021-06-04 | 湖州新火建筑工程有限公司 | Pesticide sprinkler is used in afforestation construction convenient to adjust |
| CN114483624A (en) * | 2022-03-10 | 2022-05-13 | 瑞安市韩田汽车工业有限公司 | A brushless DC cooling fan assembly |
| CN114776446A (en) * | 2022-03-28 | 2022-07-22 | 滁州恒昌机械装备制造有限公司 | Mounting structure of engine protection outer cover of asphalt road roller |
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