CN213839060U - Mixed flow fan for ventilation of granary - Google Patents
Mixed flow fan for ventilation of granary Download PDFInfo
- Publication number
- CN213839060U CN213839060U CN202022804999.9U CN202022804999U CN213839060U CN 213839060 U CN213839060 U CN 213839060U CN 202022804999 U CN202022804999 U CN 202022804999U CN 213839060 U CN213839060 U CN 213839060U
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- fixedly connected
- fan
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- base
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- 238000009423 ventilation Methods 0.000 title claims abstract description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 241000883990 Flabellum Species 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of granary ventilation, in particular to a mixed flow fan for granary ventilation, which comprises a supporting plate and universal wheels, wherein the universal wheels are fixedly connected at the bottom end of the supporting plate, a side plate is fixedly connected at the top end of the supporting plate, a push rod is fixedly connected at the right end of the side plate, a control cabinet is fixedly connected at the top end of the supporting plate, a base is fixedly connected at the top end of the supporting plate, a supporting block is fixedly connected at the top end of the base, and a fan is fixedly connected at the top end of the supporting block. Thereby prolonging the service life of the fan and increasing the practicability of the device.
Description
Technical Field
The utility model relates to a granary ventilation technical field specifically is a granary ventilates and uses mixed flow fan.
Background
The mixed flow fan is a fan between an axial flow fan and a centrifugal fan, an impeller of the mixed flow fan enables air to do centrifugal motion and axial motion, and the motion of the air in the shell mixes the two motion forms of axial flow and centrifugation, so that the mixed flow fan is called mixed flow.
The mixed flow fan does not usually adopt the filter screen, adopts the filter screen also to fix the filter screen on the fan, and powerful wind-force adsorbs debris constantly on the filter screen and inhales until the winding flabellum easily, causes the flabellum rupture, reduces the life of fan, and the fan often directly receives the reaction force of base with base fixed connection in addition, produces great vibration, influences the normal operation of fan bearing, weakens fan operating stability.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a granary ventilates and uses mixed flow fan to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a mixed flow fan for ventilation of a granary comprises a supporting plate and universal wheels, wherein the universal wheels are fixedly connected to the bottom end of the supporting plate, a side plate is fixedly connected to the top end of the supporting plate, a push rod is fixedly connected to the right end of the side plate, a control cabinet is fixedly connected to the top end of the supporting plate, a base is fixedly connected to the top end of the supporting plate, a supporting block is fixedly connected to the top end of the base, a fan is fixedly connected to the top end of the supporting block, fan blades are arranged on the inner side of the fan, a filter screen is arranged at the rear end of the fan, a first clamping block is arranged at the rear end of the filter screen, a spiral cylinder is fixedly connected to the front end of the first clamping block, a sliding groove is formed in the inner side of the rear end of the fan, a second sliding block is slidably connected to the inner side of the sliding groove, a spiral rod is fixedly connected to the rear end of the second sliding block, and the spiral rod is spirally connected with the spiral cylinder, the inboard sliding connection of base has first sliding block, the bottom fixedly connected with second fixture block of first sliding block, and second fixture block and base sliding connection, the first fixed block of bottom fixedly connected with of fan, the inboard of first fixed block and first sliding block is all rotated and is connected with the axis of rotation, the outside of axis of rotation is rotated and is connected with the dwang, the top fixedly connected with second fixed block of base, the one end fixedly connected with spring of second fixed block, and the other end and the first sliding block fixed connection of spring.
Preferably, the number of universal wheels is four, and evenly lies in the bottom of backup pad.
Preferably, the supporting block is located at the central position of the top end of the base, and the supporting block is an elastic block.
Preferably, the number of the rotating rods is two, and the rotating rods are symmetrical left and right about a vertical bisector of the fan.
Preferably, the second sliding block is connected with the fan in a sliding mode through a sliding groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, through the spiral cylinder that sets up, the hob, the filter screen, first fixture block and second sliding block, can weaken the adsorption of fan operation to debris, convenient installation and dismantlement filter screen simultaneously, the fan operation produces great air current and drives the filter screen rotation under second sliding block and fan sliding connection's effect, adsorb and laminate debris on the filter screen and weaken the adsorption of air current by the pivoted filter screen, the screwed connection of spiral cylinder and hob is fixed with the filter screen, avoid fixed filter screen to cause debris to inhale fan winding flabellum to the hindrance of debris is weak, thereby prolong the life of fan, increase the practicality of device.
2. The utility model discloses in, through the spring that sets up, first fixed block, the second fixed block, the supporting shoe, first sliding block, the second fixture block, dwang and axis of rotation, can reduce the effort of base to the fan, avoid the too big steady operation that influences the fan of bearing vibration range simultaneously, if fan upwards vibration pulling supporting shoe, pull second sliding block and second fixture block to the intermediate movement through the dwang simultaneously, the spring extension, if fan downwardly movement compression supporting shoe, promote second sliding block and second fixture block to remove to both sides through the dwang simultaneously, the spring shortens, the extension of spring all weakens the effort of base to the fan with shortening, avoid the too big steady operation that influences the fan of bearing vibration range, increase the practicality of device.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 1 at C according to the present invention;
FIG. 5 is a schematic view of the mounting structure of the second slider of the present invention;
fig. 6 is a schematic structural diagram of the present invention at the position D of fig. 5.
In the figure: 1-supporting plate, 2-universal wheel, 3-side plate, 4-push rod, 5-control cabinet, 6-fan blade, 7-fan, 8-filter screen, 9-supporting block, 10-base, 11-first block, 12-second block, 13-first sliding block, 14-spring, 15-rotating rod, 16-first fixed block, 17-rotating shaft, 18-second fixed block, 19-sliding chute, 20-screw rod, 21-second sliding block and 22-screw cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution:
a mixed flow fan for ventilation of a granary comprises a supporting plate 1 and universal wheels 2, the universal wheels 2 are fixedly connected at the bottom end of the supporting plate 1, a side plate 3 is fixedly connected at the top end of the supporting plate 1, a push rod 4 is fixedly connected at the right end of the side plate 3, a control cabinet 5 is fixedly connected at the top end of the supporting plate 1, a base 10 is fixedly connected at the top end of the supporting plate 1, a supporting block 9 is fixedly connected at the top end of the base 10, a fan 7 is fixedly connected at the top end of the supporting block 9, fan blades 6 are arranged on the inner side of the fan 7, a filter screen 8 is arranged at the rear end of the fan 7, a first clamping block 11 is arranged at the rear end of the filter screen 8, a spiral cylinder 22 is fixedly connected at the front end of the first clamping block 11, a sliding groove 19 is formed in the inner side of the rear end of the fan 7, a second sliding block 21 is slidably connected at the inner side of the sliding groove 19, a spiral rod 20 is fixedly connected with the spiral cylinder 22 in a spiral manner, the inner side of the base 10 is connected with a first sliding block 13 in a sliding manner, the bottom end of the first sliding block 13 is fixedly connected with a second clamping block 12, the second clamping block 12 is connected with the base 10 in a sliding manner, the bottom end of the fan 7 is fixedly connected with a first fixing block 16, the inner sides of the first fixing block 16 and the first sliding block 13 are both connected with a rotating shaft 17 in a rotating manner, the outer side of the rotating shaft 17 is connected with a rotating rod 15 in a rotating manner, the top end of the base 10 is fixedly connected with a second fixing block 18, one end of the second fixing block 18 is fixedly connected with a spring 14, the other end of the spring 14 is fixedly connected with the first sliding block 13, the rotating rod 15 rotates through the first sliding block 13 to drive the spring 14 to extend and compress so as to weaken the reaction force of the base 10 in the use process, the rotating filter screen 8 can reliably block sundries, the push rod 4 can realize convenient pushing of the device, the elastic supporting block 9 can buffer the vibration of the fan 7, and the stable operation of the fan 7 is ensured.
The number of the universal wheels 2 is four, and the universal wheels are uniformly positioned at the bottom end of the supporting plate 1, so that the device can move conveniently in the using process; the supporting block 9 is positioned at the central position of the top end of the base 10, and the supporting block 9 is an elastic block, so that the supporting block 9 is reliably supported in the using process; the number of the rotating rods 15 is two, and the rotating rods are bilaterally symmetrical about a vertical bisector of the fan 7, so that the left side and the right side of the fan 7 are balanced in stress in the using process; the second sliding block 21 is connected with the fan 7 in a sliding mode through the sliding groove 19, and the second sliding block 21 drives the filter screen 8 to reliably rotate in the using process.
The working process is as follows: when the filter screen 8 is installed in the device of the utility model, the first clamping block 11 with the spiral cylinder 22 passes through the hole at the inner side of the filter screen 8 and is spirally connected with the spiral rod 20 above the second sliding block 21 in the chute 19 at the inner side of the fan 7, the spiral cylinders 22 at the top side and the bottom side are installed completely, the fan 7 is started through the control cabinet 5, the fan 7 drives the fan blade 6 to rotate, the air flow generated by the fan 7 adsorbs sundries, the sundries are filtered by the filter screen 8, simultaneously the filter screen 8 is disturbed by the air flow and rotates under the limit of the sliding connection of the second sliding block 21 and the fan 7, the rotating filter screen 8 weakens the adsorption effect of the air flow on the sundries, the phenomenon that the sundries are wound on the fan blade 6 because the filter screen 8 is fixed to further suck the fan 7 is avoided, if the fan 7 vibrates upwards, the fan 7 pulls the supporting block 9 upwards, simultaneously, the rotating rod 15 is driven to rotate clockwise through the rotating shaft 17, the second sliding block 21 and the second clamping block 12 are pulled to move towards the middle through the rotating rod 15, second sliding block 21 pulling spring 14, spring 14 extension, if fan 7 vibrates downwards, fan 7 compresses supporting shoe 9 downwards, drive dwang 15 simultaneously through axis of rotation 17 anticlockwise rotation, promote second sliding block 21 and second fixture block 12 through dwang 15 and remove to both sides, second sliding block 21 compression spring 14, spring 14 shortens, the reaction force of base 10 to fan 7 is all weakened in the extension of spring 14 and shortening, avoid the too big stability that weakens fan 7 motion of bearing vibration range.
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 (5)
1. The utility model provides a granary ventilates with mixed flow fan, includes backup pad (1) and universal wheel (2), its characterized in that: the bottom of the supporting plate (1) is fixedly connected with a universal wheel (2), the top end of the supporting plate (1) is fixedly connected with a side plate (3), the right end of the side plate (3) is fixedly connected with a push rod (4), the top end of the supporting plate (1) is fixedly connected with a control cabinet (5), the top end of the supporting plate (1) is fixedly connected with a base (10), the top end of the base (10) is fixedly connected with a supporting block (9), the top end of the supporting block (9) is fixedly connected with a fan (7), fan blades (6) are arranged on the inner side of the fan (7), a filter screen (8) is arranged at the rear end of the fan (7), a first clamping block (11) is arranged at the rear end of the filter screen (8), a spiral cylinder (22) is fixedly connected with the front end of the first clamping block (11), and a sliding groove (19) is formed in the inner side of the rear end of the fan (7), the inboard sliding connection of spout (19) has second sliding block (21), the rear end fixedly connected with hob (20) of second sliding block (21), and hob (20) and spiral section of thick bamboo (22) threaded connection, the inboard sliding connection of base (10) has first sliding block (13), the bottom fixedly connected with second fixture block (12) of first sliding block (13), and second fixture block (12) and base (10) sliding connection, the bottom fixedly connected with first fixed block (16) of fan (7), the inboard of first fixed block (16) and first sliding block (13) all rotates and is connected with axis of rotation (17), the outside of axis of rotation (17) rotates and is connected with dwang (15), the top fixedly connected with second fixed block (18) of base (10), the one end fixedly connected with spring (14) of second fixed block (18), and the other end of the spring (14) is fixedly connected with the first sliding block (13).
2. The mixed flow fan for ventilation of the granary according to claim 1, wherein: the number of the universal wheels (2) is four, and the universal wheels are evenly positioned at the bottom end of the supporting plate (1).
3. The mixed flow fan for ventilation of the granary according to claim 1, wherein: the supporting block (9) is located at the center of the top end of the base (10), and the supporting block (9) is an elastic block.
4. The mixed flow fan for ventilation of the granary according to claim 1, wherein: the number of the rotating rods (15) is two, and the rotating rods are symmetrical left and right about a vertical bisector of the fan (7).
5. The mixed flow fan for ventilation of the granary according to claim 1, wherein: the second sliding block (21) is connected with the fan (7) in a sliding mode through the sliding groove (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022804999.9U CN213839060U (en) | 2020-11-30 | 2020-11-30 | Mixed flow fan for ventilation of granary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022804999.9U CN213839060U (en) | 2020-11-30 | 2020-11-30 | Mixed flow fan for ventilation of granary |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213839060U true CN213839060U (en) | 2021-07-30 |
Family
ID=76994129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022804999.9U Expired - Fee Related CN213839060U (en) | 2020-11-30 | 2020-11-30 | Mixed flow fan for ventilation of granary |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213839060U (en) |
-
2020
- 2020-11-30 CN CN202022804999.9U patent/CN213839060U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210730 |