CN210423114U

CN210423114U - Small-sized turbofan

Info

Publication number: CN210423114U
Application number: CN201921527545.2U
Authority: CN
Inventors: 李为根
Original assignee: Jiashan Bmw Electronics Co Ltd
Current assignee: Jiashan Bmw Electronics Co Ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-04-28
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses a small-size turbofan, including first casing, first casing is the round platform form, first casing one side fixedly connected with second casing, the fixed back lid that is equipped with of first casing one end, the fixed motor that is equipped with of back lid inner wall, the fixed turbine flabellum that is equipped with of pivot outer wall of motor, first casing with the second casing is kept away from back lid one end is equipped with the protecgulum, the second casing internal fixation is equipped with the transformer, the fixed take-up that is equipped with on the second casing, take-up includes the third casing, the third casing internalization is equipped with the transmission shaft, transmission shaft one end is stretched out third casing and fixed crank that is equipped with. Has the advantages that: can set up longer power cord, and can get up unnecessary power cord rolling, prevent that the power cord winding is in the same place, it is very convenient to use, and easy operation.

Description

Small-sized turbofan

Technical Field

The utility model relates to a turbofan field particularly, relates to a small-size turbofan.

Background

The turbofan includes a fan body formed by integrally molding a main plate and a plurality of blades having a bag-like hollow structure with an opening on a rear surface side thereof with a thermoplastic resin, and a wind guide plate. In addition, female fitting portions that communicate from the tip portions of the blades to the blade hollow portions are formed in the respective blades of the fan body, and male fitting portions that extend in the fan height direction from the air guide plate are formed at positions corresponding to the respective blades of the air guide plate.

The turbofan is generally provided with a power supply wire for supplying power, if the power supply wire is short, when the distance between the installation position of the turbofan and the socket is long, a wiring board needs to be additionally connected, which is very troublesome, and when the power supply wire is long, the power supply wire is easy to be wound together and is also troublesome in use.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small-size turbofan 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 small turbofan comprises a first shell, wherein the first shell is in a round table shape, one side of the first shell is fixedly connected with a second shell, one end of the first shell is fixedly provided with a rear cover, the inner wall of the rear cover is fixedly provided with a motor, the outer wall of a rotating shaft of the motor is fixedly provided with turbine blades, one end of the first shell and one end of the second shell, which is far away from the rear cover, are provided with a front cover, a transformer is fixedly arranged in the second shell, a wire take-up device is fixedly arranged on the second shell and comprises a third shell, a transmission shaft is movably arranged in the third shell, one end of the transmission shaft extends out of the third shell and is fixedly provided with a crank, the other end of the transmission shaft is provided with a chute, a metal rod is arranged in the chute in a sliding manner, a first metal block is fixedly arranged at the bottom end of the chute, and a metal, the fixed second metal block that is equipped with of third casing lower extreme inner wall, the metal pole with the second metal block contacts, the fixed cover in transmission shaft middle part is equipped with the winding reel, the winding reel outer wall winding is equipped with the power cord, the power cord runs through the winding reel with first metal block electric connection, the bar poling has been seted up to third casing one side, the power cord other end runs through bar poling and electric connection have the plug, the second metal block with the input electric connection of transformer, the output of transformer with motor electric connection.

Further, the front cover and the rear cover are both net-shaped cover plates.

Furthermore, the first casing with the second casing is kept away from the lateral wall of back lid one end all fixes and is equipped with quantity for two first mounting panel, the protecgulum both sides all fix and are equipped with quantity for two second mounting panel, first mounting panel with the second mounting panel phase-match just all has seted up the mounting hole, first mounting panel with the second mounting panel passes through bolt and nut fixed connection.

Furthermore, a shock pad is fixedly arranged at one end of the first shell through a fastening bolt, and the motor is fixed on the shock pad.

Further, the fixed cover of transmission shaft one end outer wall is equipped with first bearing, first bearing is fixed third casing upper end inner wall, the fixed cover of the transmission shaft other end is equipped with the second bearing, the second bearing pass through the connecting rod with third casing inner wall fixed connection.

Furthermore, a first limiting ring is fixedly arranged on the inner wall of the opening of the sliding groove, a second limiting ring is fixedly arranged on the outer wall of one end, away from the second metal block, of the metal rod, and the first limiting ring is matched with the second limiting ring.

Furthermore, a switch is installed at one end, close to the plug, of the power line.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses a set up take-up, can set up longer power cord, and can get up unnecessary power cord rolling, prevent that the power cord winding is in the same place, it is very convenient to use, and easy operation.

(2) The utility model discloses a set up the screen panel apron, can be used for advancing, the air-out.

(3) The utility model discloses a set up first mounting panel and second mounting panel, can install protecgulum detachable on first casing and second casing, be convenient for to the maintenance of inside device.

(4) The utility model discloses a set up the shock pad, can effectually carry out the shock attenuation to the motor of work to noise that can effectual reduction vibration produced.

(5) The utility model discloses a set up first bearing and second bearing, can be with the rotatable setting of transmission shaft in the third casing.

(6) The utility model discloses a set up first spacing ring and second spacing ring, can prevent that the metal pole from breaking away from in the spout.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a small turbofan according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a take-up device in a small turbofan according to an embodiment of the present invention;

fig. 3 is an enlarged view of the structure at a in fig. 2.

Reference numerals:

1. a first housing; 2. a second housing; 3. a rear cover; 4. an electric motor; 5. turbine blades; 6. a front cover; 7. a transformer; 8. a switch; 9. a third housing; 10. a drive shaft; 11. a crank; 12. a chute; 13. a metal rod; 14. a first metal block; 15. a metal spring; 16. a second metal block; 17. a spool; 18. a power line; 19. a strip-shaped through groove; 20. a plug; 21. a first mounting plate; 22. a second mounting plate; 23. a shock pad; 24. a first bearing; 25. a second bearing; 26. a first limit ring; 27. and a second limit ring.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-3, a small turbofan according to an embodiment of the present invention includes a first casing 1, the first casing 1 is in a circular truncated cone shape, a second casing 2 is fixedly connected to one side of the first casing 1, a rear cover 3 is fixedly disposed at one end of the first casing 1, a motor 4 is fixedly disposed on an inner wall of the rear cover 3, turbine blades 5 are fixedly disposed on an outer wall of a rotating shaft of the motor 4, a front cover 6 is disposed at an end of the first casing 1 and the second casing 2 away from the rear cover 3, a transformer 7 is fixedly disposed in the second casing 2, a wire take-up device is fixedly disposed on the second casing 2, the wire take-up device includes a third casing 9, a transmission shaft 10 is movably disposed in the third casing 9, one end of the transmission shaft 10 extends out of the third casing 9 and is fixedly disposed with a crank 11, a chute 12 is disposed at the other end of the transmission shaft 10, a metal rod 13 is arranged in the sliding chute 12 in a sliding way, a first metal block 14 is fixedly arranged at the bottom end of the sliding chute 12, a metal spring 15 is fixedly arranged between the first metal block 14 and the metal rod 13, a second metal block 16 is fixedly arranged on the inner wall of the lower end of the third shell 9, the metal rod 13 is contacted with the second metal block 16, a winding reel 17 is fixedly sleeved in the middle of the transmission shaft 10, a power cord 18 is wound on the outer wall of the winding reel 17, the power cord 18 penetrates through the winding reel 17 and is electrically connected with the first metal block 14, a strip-shaped through groove 19 is formed on one side of the third shell 9, the other end of the power line 18 penetrates through the strip-shaped through groove 19 and is electrically connected with a plug 20, the second metal block 16 is electrically connected to the input terminal of the transformer 7, and the output terminal of the transformer 7 is electrically connected to the motor 4.

Through the above technical scheme of the utility model, can set up longer power cord 18, and can get up unnecessary 18 rolling of power cord, prevent that power cord 18 twines together, it is very convenient to use, and easy operation.

Example two:

referring to fig. 1, for a front cover 6 and a rear cover 3, the front cover 6 and the rear cover 3 are both mesh-shaped cover plates, for a first shell 1 and a second shell 2, two first mounting plates 21 are fixedly arranged on side walls of the first shell 1 and the second shell 2, which are far away from one end of the rear cover 3, two second mounting plates 22 are fixedly arranged on two sides of the front cover 6, the first mounting plates 21 are matched with the second mounting plates 22 and are both provided with mounting holes, and the first mounting plates 21 are fixedly connected with the second mounting plates 22 through bolts and nuts; for the first housing 1, a shock absorbing pad 23 is fixedly arranged at one end of the first housing 1 through a fastening bolt, and the motor 4 is fixed on the shock absorbing pad 23.

Through the above technical scheme of the utility model, the screen panel apron can be used for advancing, the air-out, through setting up first mounting panel 21 and second mounting panel 22, can install protecgulum 6 detachable on first casing 1 and second casing 2, is convenient for to the maintenance of inside device, and shock pad 23 is made by rubber materials, can effectually carry out the shock attenuation to the motor 4 of work to the noise that can effectual reduction vibration produced.

Example three:

referring to fig. 2-3, for the transmission shaft 10, a first bearing 24 is fixedly sleeved on an outer wall of one end of the transmission shaft 10, the first bearing 24 is fixed on an inner wall of an upper end of the third housing 9, a second bearing 25 is fixedly sleeved on the other end of the transmission shaft 10, and the second bearing 25 is fixedly connected with an inner wall of the third housing 9 through a connecting rod; for the sliding chute 12, a first limiting ring 26 is fixedly arranged on the inner wall of the opening of the sliding chute 12, a second limiting ring 27 is fixedly sleeved on the outer wall of one end, away from the second metal block 16, of the metal rod 13, and the first limiting ring 26 is matched with the second limiting ring 27; for the power cord 18, a switch 8 is mounted on the power cord 18 near one end of the plug 20.

Through the above technical scheme of the utility model, through setting up first bearing 24 and second bearing 25, can be with the rotatable setting of transmission shaft 10 in third casing 9, through setting up first spacing ring 26 and second spacing ring 27, can prevent that metal pole 13 from breaking away from in spout 12.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, firstly, a power line 18 is inserted into the patch board, the power line 18 is electrically connected with the transformer 7 through the first metal block 14, the metal spring 15, the metal rod 13 and the second metal block 16, the motor 4 can be powered through the transformer 7, the metal spring 15 can push the metal rod 13 towards the second metal block 16, so that the metal rod 13 can be always in electrical contact with the second metal block 16, the work of the motor 4 can be controlled through the switch, the redundant power line 18 can be wound on the outer wall of the winding reel 17 by rotating the crank 11, the power line 18 is prevented from being wound together, the use is very convenient, the operation is simple, the mesh cover plate can be used for air inlet and outlet, the front cover 6 can be detachably arranged on the first shell 1 and the second shell 2 by arranging the first mounting plate 21 and the second mounting plate 22, and the maintenance of internal devices is convenient, the shock pad 23 can be effectual carry out the shock attenuation to the motor 4 of work to the noise that can effectual reduction vibration produced, through setting up first bearing 24 and second bearing 25, can be with the rotatable setting of transmission shaft 10 in third casing 9, through setting up first spacing ring 26 and second spacing ring 27, can prevent that metal pole 13 from breaking away from in the spout 12.

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

1. The small turbofan is characterized by comprising a first shell (1), wherein the first shell (1) is in a round table shape, one side of the first shell (1) is fixedly connected with a second shell (2), one end of the first shell (1) is fixedly provided with a rear cover (3), the inner wall of the rear cover (3) is fixedly provided with a motor (4), the outer wall of a rotating shaft of the motor (4) is fixedly provided with turbine blades (5), one end, far away from the rear cover (3), of the first shell (1) and the second shell (2) is provided with a front cover (6), a transformer (7) is fixedly arranged in the second shell (2), a wire take-up device is fixedly arranged on the second shell (2) and comprises a third shell (9), a transmission shaft (10) is movably arranged in the third shell (9), one end of the transmission shaft (10) extends out of the third shell (9) and is fixedly provided with a crank (11), the other end of the transmission shaft (10) is provided with a sliding groove (12), a metal rod (13) is arranged in the sliding groove (12) in a sliding mode, a first metal block (14) is fixedly arranged at the bottom end of the sliding groove (12), a metal spring (15) is fixedly arranged between the first metal block (14) and the metal rod (13), a second metal block (16) is fixedly arranged on the inner wall of the lower end of the third shell (9), the metal rod (13) is in contact with the second metal block (16), a winding drum (17) is fixedly arranged in the middle of the transmission shaft (10), a power line (18) is wound on the outer wall of the winding drum (17), the power line (18) penetrates through the winding drum (17) and is electrically connected with the first metal block (14), a bar-shaped penetrating groove (19) is formed in one side of the third shell (9), the other end of the power line (18) penetrates through the bar-shaped penetrating groove (19) and, the second metal block (16) is electrically connected with the input end of the transformer (7), and the output end of the transformer (7) is electrically connected with the motor (4).

2. A small turbofan in accordance with claim 1 wherein the front cover (6) and the back cover (3) are mesh cover plates.

3. The small turbofan according to claim 2, wherein two first mounting plates (21) are fixedly arranged on side walls of one ends of the first casing (1) and the second casing (2) far away from the rear cover (3), two second mounting plates (22) are fixedly arranged on two sides of the front cover (6), the first mounting plates (21) and the second mounting plates (22) are matched and provided with mounting holes, and the first mounting plates (21) and the second mounting plates (22) are fixedly connected through bolts and nuts.

4. A small-sized turbofan in accordance with claim 3 wherein the first case (1) is fixedly provided at one end thereof with a damper pad (23) by fastening bolts, and the motor (4) is fixed to the damper pad (23).

5. The small-sized turbofan according to claim 1, wherein a first bearing (24) is fixedly sleeved on an outer wall of one end of the transmission shaft (10), the first bearing (24) is fixed on an inner wall of an upper end of the third casing (9), a second bearing (25) is fixedly sleeved on the other end of the transmission shaft (10), and the second bearing (25) is fixedly connected with an inner wall of the third casing (9) through a connecting rod.

6. The small-sized turbofan according to claim 1, wherein a first limit ring (26) is fixedly disposed on an inner wall of an opening of the sliding slot (12), a second limit ring (27) is fixedly sleeved on an outer wall of one end of the metal rod (13) far away from the second metal block (16), and the first limit ring (26) is matched with the second limit ring (27).

7. A miniature turbofan according to claim 1 wherein the power cord (18) has a switch (8) mounted at an end adjacent the plug (20).