CN212838535U - Movable angle-adjustable axial flow fan - Google Patents
Movable angle-adjustable axial flow fan Download PDFInfo
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- CN212838535U CN212838535U CN202021507519.6U CN202021507519U CN212838535U CN 212838535 U CN212838535 U CN 212838535U CN 202021507519 U CN202021507519 U CN 202021507519U CN 212838535 U CN212838535 U CN 212838535U
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- dryer
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- axial flow
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Abstract
The utility model belongs to the technical field of fans, in particular to a movable axial flow fan with adjustable angle, which comprises an air duct and a fan component arranged in the air duct, and also comprises a base used for supporting the air duct and universal castors arranged around the bottom of the base, wherein the base is provided with two side plates which are symmetrically arranged, bearing seats with the same axle axis are arranged on the two side plates, and rotating shafts respectively embedded into the two bearing seats are arranged on the outer side wall of the air duct; the axial flow fan also comprises a telescopic adjusting rod arranged along the vertical direction. Be provided with two blocks of curb plates on the base, be provided with the bearing frame on the curb plate, be provided with the axis of rotation on the dryer, wherein the axis of rotation embedding is on the bearing frame, and then makes the dryer rotate along the axis of rotation, for fixing a position the dryer, still is provided with telescopic adjusting rod to this, but articulates the upper end of telescopic link in the dryer bottom, and the lower extreme setting is on the base, through adjusting the length of telescopic link, can reach the angle of adjusting the dryer, and is very convenient, practical.
Description
Technical Field
The utility model belongs to the technical field of the fan, especially, relate to a portable angularly adjustable axial fan.
Background
The axial flow fan is a machine which increases the gas pressure and discharges the gas by means of the input mechanical energy. The axial flow fan has the characteristics of low pressure head and large flow, and is small in size and simple to install compared with a centrifugal fan, so that the axial flow fan is widely applied to various fields of national economy.
At present, axial flow fans are all composed of a motor, fan blades, a cylindrical shield and the like and are installed on a support. When the fan is used, the fan is inconvenient to move, and particularly, a large axial flow fan is heavy and can be moved by a plurality of people. Chinese utility model patent publication No. CN202156439U discloses a portable axial fan, through set up universal caster in the fan bottom to reach mobilizable purpose, pass through the hub connection with the cylinder guard shield on the support of bottom plate, can play the pivoted effect, nevertheless because axial fan's volume is great, and is heavier moreover, consequently need use very big external force when rotating, and is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem who exists, provide a portable angularly adjustable axial fan, this axial fan simple structure, convenient and practical not only can remove at will, but also can be very convenient regulation fan's angle, makes it be applicable to operational environment.
The purpose of the utility model is realized like this: the utility model provides a portable angularly adjustable axial fan, includes the dryer and sets up the fan assembly in the dryer, its characterized in that: the wind tube support structure further comprises a base for supporting the wind tube and universal casters arranged around the bottom of the base, the base is provided with two symmetrically arranged side plates, bearing seats with the same central axis are arranged on the two side plates, and rotating shafts embedded into the two bearing seats respectively are arranged on the outer side wall of the side of the wind tube; the axial flow fan further comprises a telescopic adjusting rod arranged in the vertical direction, the lower end of the telescopic adjusting rod is arranged on the base, the upper end of the telescopic adjusting rod is hinged to the bottom of the air duct, and a certain distance is reserved between the upper end of the telescopic adjusting rod and the rotating shaft and between the upper end of the telescopic adjusting rod and the bearing seat.
By adopting the technical scheme, the axial flow fan mainly comprises the air duct, the base for supporting the air duct and the fan assembly positioned in the air duct, wherein the universal caster wheels are arranged at the bottom of the base for moving the axial flow fan, and the axial flow fan is convenient to push through the universal caster wheels;
for making axial fan can angle regulation, to this be provided with the curb plate of two symmetries on the base, be provided with the bearing frame on the curb plate, be provided with the axis of rotation on the dryer, wherein the axis of rotation embedding is on the bearing frame, and then make the dryer can rotate along the axis of rotation, for fixing a position the dryer, still be provided with telescopic adjusting rod to this, but articulate the upper end of telescopic link in the dryer bottom, the lower extreme sets up on the base, through the length of adjusting telescopic link, can reach the angle of adjusting the dryer, and is very convenient, and practical.
The utility model discloses further set up to: the telescopic adjusting rod comprises a first rod body with a lower end rotatably arranged on the base and a second rod body with an upper end hinged on the air duct, a blind hole is formed in the end portion of the second rod body and arranged along the length direction of the blind hole, an internal thread is arranged on the inner wall of the blind hole, an external thread is arranged on the outer wall of the first rod body, and the first rod body is in threaded connection with the second rod body.
Through adopting above-mentioned technical scheme, scalable pole includes the first body of rod and the second body of rod, connects the first body of rod and the second body of rod through threaded connection's mode to can make the overall length of the first body of rod and the second body of rod extend or shorten through rotating the first body of rod, even the second body of rod shifts up or moves down, and then reaches the purpose of adjusting.
The utility model discloses further set up to: the external thread is a rectangular thread or a trapezoidal thread, and two or three helical lines of the external thread are provided.
Through adopting above-mentioned technical scheme, set up the external screw thread on the first body of rod into rectangle or trapezoidal thread to improve its transmission efficiency, set up the helix of external screw thread into two or three, with further improve its transmission efficiency.
The utility model discloses further set up to: the side below of curb plate has the pivot of rotation setting, the pivot stretches out the one end in the curb plate outside is provided with manual wheel, the pivot stretches out the inboard one end of curb plate is provided with first gear, still the level be provided with on the first body of rod the meshing in second gear on the first gear.
Through adopting above-mentioned technical scheme, for conveniently rotating the first body of rod, be provided with the pivot to this on the curb plate, be provided with manual wheel and first gear in the pivot, be provided with the second gear that the tooth fits first gear at the lower extreme of the first body of rod, rotate through driving manual wheel for first gear takes place to rotate, drives second gear rotation under the effect of first gear, and then reaches the first body of rod pivoted purpose of drive.
The utility model discloses further set up to: the gear ratio of the first gear to the second gear is 21:49 or 23: 49.
Through adopting above-mentioned technical scheme to reach laborsaving purpose, make things convenient for the staff to adjust.
The utility model discloses further set up to: the rotating shaft is located in the middle of the air duct, and the upper end of the telescopic adjusting rod is arranged at a position close to the port of the air duct.
Through adopting above-mentioned technical scheme, the staff of being convenient for adjusts the dryer, alleviates intensity of labour.
The utility model has the advantages that:
1. in order to move the axial flow fan, a universal caster is arranged at the bottom of the base, and the axial flow fan is convenient to push through the universal caster; for making axial fan can angle regulation, to this be provided with the curb plate of two symmetries on the base, be provided with the bearing frame on the curb plate, be provided with the axis of rotation on the dryer, wherein the axis of rotation embedding is on the bearing frame, and then make the dryer can rotate along the axis of rotation, for fixing a position the dryer, still be provided with telescopic adjusting rod to this, but articulate the upper end of telescopic link in the dryer bottom, the lower extreme sets up on the base, through the length of adjusting telescopic link, can reach the angle of adjusting the dryer, and is very convenient, and practical.
2. For conveniently rotating the first rod body, a rotating shaft is arranged on the side plate, a manual wheel and a first gear are arranged on the rotating shaft, a second gear meshed with the first gear is arranged at the lower end of the first rod body, the first gear is driven to rotate by driving the manual wheel, the second gear is driven to rotate under the action of the first gear, and the purpose of driving the first rod body to rotate is achieved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the telescopic adjusting rod of the present invention;
the reference numbers in the figures are: 1. an air duct; 11. a rotating shaft; 2. a fan assembly; 3. a base; 31. a side plate; 32. a bearing seat; 33. a rotating shaft; 34. a hand-operated wheel; 35. a first gear; 4. a universal caster; 5. a telescopic adjusting rod; 51. a first rod body; 511. an external thread; 512. a second gear; 52. a second rod body; 521. blind holes; 522. an internal thread.
Detailed Description
In order to make the technical solutions in the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings:
a movable axial flow fan with an adjustable angle is disclosed, as shown in fig. 1 and fig. 2, and comprises an air duct 1 and a fan assembly 2 arranged in the air duct 1, wherein the fan assembly further comprises a base 3 for supporting the air duct 1 and universal casters 4 arranged around the bottom of the base 3, the base 3 is provided with two symmetrically arranged side plates 31, the two side plates 31 are provided with bearing seats 32 with the same central axis, and the side outer wall of the air duct 1 is provided with a rotating shaft 11 respectively embedded into the two bearing seats 32; the axial flow fan further comprises a telescopic adjusting rod 5 arranged in the vertical direction, the lower end of the telescopic adjusting rod 5 is arranged on the base 3, the upper end of the telescopic adjusting rod 5 is hinged to the bottom of the air duct 1, and a certain distance is reserved between the upper end of the telescopic adjusting rod 5 and the rotating shaft 11 and the bearing seat 32.
The utility model discloses an axial fan, mainly include dryer 1, base 3 used for supporting dryer 1 and fan assembly 2 located in dryer 1, wherein in order to make the axial fan move, to this have casters 4 in the bottom of base 3, facilitate to promote the axial fan through casters 4;
for making axial fan can angle regulation, to this curb plate 31 that is provided with two symmetries on base 3, be provided with bearing frame 32 on the curb plate 31, be provided with axis of rotation 11 on dryer 1, wherein axis of rotation 11 imbeds on bearing frame 32, and then make dryer 1 rotate along axis of rotation 11, for fixing a position dryer 1, but still be provided with telescopic adjusting lever 5 to this, but articulate the upper end of telescopic link in dryer 1 bottom, the lower extreme sets up on base 3, length through adjusting telescopic link, can reach the angle of adjusting dryer 1, and is very convenient, and practical.
The telescopic adjusting rod 5 comprises a first rod body 51 with the lower end rotatably arranged on the base 3 and a second rod body 52 with the upper end hinged on the air duct 1, the end part of the second rod body 52 is provided with a blind hole 521 arranged along the length direction of the second rod body, the inner wall of the blind hole 521 is provided with an internal thread 522, the outer wall of the first rod body 51 is provided with an external thread 511, and the first rod body 51 is in threaded connection with the second rod body 52. The telescopic rod comprises a first rod body 51 and a second rod body 52, the first rod body 51 and the second rod body 52 are connected in a threaded connection mode, the total length of the first rod body 51 and the second rod body 52 can be extended or shortened by rotating the first rod body 51, even if the second rod body 52 moves upwards or downwards, and the purpose of adjustment is achieved.
Preferably, the external thread 511 is a rectangular thread or a trapezoidal thread, and two or three helical lines of the external thread 511 are provided. The external thread 511 on the first rod body 51 is provided with a rectangular or trapezoidal thread to improve the transmission efficiency thereof, and the spiral line of the external thread 511 is provided with two or three lines to further improve the transmission efficiency thereof.
Optimally, there is the pivot 33 that the rotation set up the side below of curb plate 31, pivot 33 stretches out the one end in the curb plate 31 outside is provided with manual wheel 34, pivot 33 stretches out the inboard one end of curb plate 31 is provided with first gear 35, go back the level on the first body of rod 51 be provided with the meshing in second gear 512 on the first gear 35. In order to facilitate the rotation of the first rod 51, a rotating shaft 33 is provided on the side plate 31, a manual wheel 34 and a first gear 35 are provided on the rotating shaft 33, a second gear 512 meshed with the first gear 35 is provided at the lower end of the first rod 51, and the first gear 35 is rotated by driving the manual wheel 34 to rotate, so that the second gear 512 is driven to rotate under the action of the first gear 35, thereby achieving the purpose of driving the first rod 51 to rotate.
Optimally, the gear ratio of the first gear 35 to the second gear 512 is 21:49 or 23:49, so that the purpose of saving labor is achieved, and the adjustment by workers is convenient.
Optimized, axis of rotation 11 is located the middle part of dryer 1, telescopic adjusting rod 5's upper end set up in being close to the position of dryer 1 port, the staff of being convenient for adjusts dryer 1, alleviates intensity of labour.
The above embodiments are only preferred embodiments of the present invention, not all embodiments, and other embodiments obtained based on the above embodiments by those skilled in the art without any creative work shall fall within the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides a portable angularly adjustable axial fan, includes dryer (1) and sets up fan assembly (2) in dryer (1), its characterized in that: the wind tube type air conditioner is characterized by further comprising a base (3) used for supporting the wind tube (1) and universal casters (4) arranged on the periphery of the bottom of the base (3), wherein two side plates (31) which are symmetrically arranged are arranged on the base (3), bearing seats (32) which are the same as the central axis are arranged on the two side plates (31), and rotating shafts (11) which are respectively embedded into the two bearing seats (32) are arranged on the outer side wall of the wind tube (1); the axial flow fan further comprises a telescopic adjusting rod (5) arranged in the vertical direction, the lower end of the telescopic adjusting rod (5) is arranged on the base (3), the upper end of the telescopic adjusting rod (5) is hinged to the bottom of the air duct (1), and the upper end of the telescopic adjusting rod (5) is spaced from the rotating shaft (11) and the bearing seat (32).
2. The mobile axial flow fan with adjustable angle of claim 1, wherein: scalable regulation pole (5) including the lower extreme rotate set up first body of rod (51) and the upper end on base (3) articulate in second body of rod (52) on dryer (1), the tip of the second body of rod (52) has blind hole (521) that sets up along its length direction, be provided with on blind hole (521) inner wall internal thread (522), be provided with external screw thread (511) on the outer wall of the first body of rod (51), the first body of rod (51) with the second body of rod (52) threaded connection.
3. The mobile axial flow fan with adjustable angle of claim 2, wherein: the external thread (511) is a rectangular thread or a trapezoidal thread, and two or three helical lines of the external thread (511) are provided.
4. A mobile angularly adjustable axial fan according to claim 2 or 3, characterized in that: there is pivot (33) that the rotation set up side below of curb plate (31), pivot (33) stretch out the one end in curb plate (31) outside is provided with manual wheel (34), pivot (33) stretch out the inboard one end of curb plate (31) is provided with first gear (35), go back the level on the first body of rod (51) be provided with the meshing in second gear (512) on first gear (35).
5. The mobile axial flow fan with adjustable angle of claim 4, wherein: the gear ratio of the first gear (35) to the second gear (512) is 21:49 or 23: 49.
6. The mobile axial flow fan with adjustable angle of claim 5, wherein: the rotating shaft (11) is located in the middle of the air duct (1), and the upper end of the telescopic adjusting rod (5) is arranged at a position close to the port of the air duct (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021507519.6U CN212838535U (en) | 2020-07-27 | 2020-07-27 | Movable angle-adjustable axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021507519.6U CN212838535U (en) | 2020-07-27 | 2020-07-27 | Movable angle-adjustable axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212838535U true CN212838535U (en) | 2021-03-30 |
Family
ID=75121463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021507519.6U Expired - Fee Related CN212838535U (en) | 2020-07-27 | 2020-07-27 | Movable angle-adjustable axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212838535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320952A (en) * | 2021-12-22 | 2022-04-12 | 上海冠带通风节能设备有限公司 | Fan |
-
2020
- 2020-07-27 CN CN202021507519.6U patent/CN212838535U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320952A (en) * | 2021-12-22 | 2022-04-12 | 上海冠带通风节能设备有限公司 | Fan |
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Legal Events
| 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: 20210330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |