CN212250520U

CN212250520U - External rotor motor for fan

Info

Publication number: CN212250520U
Application number: CN202020570236.XU
Authority: CN
Inventors: 吕波
Original assignee: Shengzhou Yuanxiang Electric Appliance Co ltd
Current assignee: Shengzhou Yuanxiang Electric Appliance Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-12-29
Anticipated expiration: 2030-04-16

Abstract

The utility model discloses an external rotor electric machine for fan, including external rotor electric machine body and fixed shell, external rotor electric machine body is located the inside of fixed shell, and external rotor electric machine body's output shaft fixedly connected with mount pad, through first bolt fixedly connected with installed part on the mount pad, fixedly connected with fan blade on the installed part, the both sides of fixed shell are all seted up threaded hole, the threaded rod that the level set up is installed to the screw hole internal thread, the one end of threaded rod extends to the inside of fixed shell and rotates and be connected with the holder, the holder is close to the guide bar that one side fixedly connected with level of threaded rod set up. The utility model discloses the structure is ingenious, convenient to use, and external rotor electric machine body can easy to assemble and dismantle to can overhaul and change external rotor electric machine body, and have good buffering cushioning effect, make external rotor electric machine body lower at the during operation noise.

Description

External rotor motor for fan

Technical Field

The utility model belongs to the technical field of the external rotor electric machine installation, concretely relates to external rotor electric machine for fan.

Background

The ventilator is an air conditioning appliance, which drives blades to rotate by a motor to drive airflow so as to exchange indoor air and outdoor air. Also known as a ventilating fan. The purpose of ventilation is to remove dirty air from the room, regulate temperature, humidity and sensory effects. The ventilator is widely applied to families and public places, the ventilator is generally driven by the outer rotor motor, and the outer rotor motor has the characteristics of space saving, compact design and attractive appearance. The outer rotor motor among the prior art is fixed mostly through the bolt, and the motor does not possess buffering absorbing structure for the motor dismouting is comparatively troublesome, and wage noise is great.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an external rotor electric machine for 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: the outer rotor motor comprises an outer rotor motor body and a fixed shell, wherein the outer rotor motor body is positioned inside the fixed shell, an output shaft of the outer rotor motor body is fixedly connected with a mounting seat, a mounting part is fixedly connected onto the mounting seat through a first bolt, a fan blade is fixedly connected onto the mounting part, threaded holes are formed in two sides of the fixed shell, a horizontally arranged threaded rod is installed in each threaded hole, one end of each threaded rod extends into the fixed shell and is rotatably connected with a clamping piece, a horizontally arranged guide rod is fixedly connected to one side, close to the threaded rod, of each clamping piece, a guide hole is formed in the fixed shell, each guide rod extends to the outside of the fixed shell through the corresponding guide hole, a cylindrical mounting shell is arranged on the outer side of the fixed shell, a connecting rod is fixedly connected between the inner wall of the mounting shell and the fixed shell, and mounting rings, a protective net is arranged in the mounting ring.

Preferably, the connecting rod includes first cooperation pole and second cooperation pole, and first sliding tray has been seted up to the one end of first cooperation pole, and the one end of second cooperation pole extends to in the first sliding tray and fixedly connected with damping spring.

Preferably, the first matching rod is fixedly connected with a third matching rod at one end inside the first sliding groove, the inner wall of the first sliding groove is provided with a second sliding groove, one end of the third matching rod extends into the second sliding groove, and the second sliding groove is internally provided with a rubber filling member.

Preferably, the top end of the cylindrical mounting shell is provided with a taking and placing opening, and an arc-shaped baffle is detachably mounted in the taking and placing opening.

Preferably, one end of the threaded rod, which is far away from the clamping piece, extends to the outside of the fixed shell and is fixedly connected with a rotating handle.

Preferably, clamping grooves are formed in two sides, close to the clamping piece, of the outer rotor motor body, the clamping piece is of an arc-shaped plate structure, and the clamping piece extends into the clamping grooves.

Compared with the prior art, the beneficial effects of the utility model are that: due to the guiding effect of the guide rod on the horizontal movement of the clamping piece, the clamping piece can be driven to move horizontally when the threaded rod is rotated, so that the outer rotor motor body can be clamped and fixed in the fixed shell through the two clamping pieces, the installation is stable, and the assembly and disassembly are convenient; the connecting rod includes first cooperation pole and second cooperation pole, and first sliding tray has been seted up to the one end of first cooperation pole, and the one end of second cooperation pole extends to in the first sliding tray and fixedly connected with damping spring, and when external rotor electric machine body started to produce the vibration, second cooperation pole can slide compression damping spring in the first sliding tray to can play the absorbing effect of buffering, make external rotor electric machine body lower at the during operation noise. The utility model discloses the structure is ingenious, convenient to use, and external rotor electric machine body can easy to assemble and dismantle to can overhaul and change external rotor electric machine body, and have good buffering cushioning effect, make external rotor electric machine body lower at the during operation noise.

Drawings

Fig. 1 is a top view cross-sectional view of the present invention;

fig. 2 is a perspective view of the present invention;

fig. 3 is a cross-sectional view of the connecting rod of the present invention.

In the figure: 1. an outer rotor motor body; 2. fixing the housing; 3. a mounting seat; 4. a mounting member; 5. a fan blade; 6. a first bolt; 7. a threaded rod; 8. a clamping member; 9. a guide bar; 10. a clamping groove; 11. a cylindrical mounting housing; 12. a connecting rod; 13. a rubber packing member; 14. installing a ring; 15. a second bolt; 16. a protective net; 17. rotating the handle; 18. an arc-shaped baffle plate; 19. a first mating bar; 20. a second mating bar; 21. a first sliding groove; 22. a third mating bar; 23. a second sliding groove; 24. a shock absorbing spring.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-3, the present invention provides a technical solution of an external rotor motor for a blower: comprises an outer rotor motor body 1 and a fixed shell 2, the outer rotor motor body 1 is positioned inside the fixed shell 2, an output shaft of the outer rotor motor body 1 is fixedly connected with an installation seat 3, an installation part 4 is fixedly connected on the installation seat 3 through a first bolt 6, a fan blade 5 is fixedly connected on the installation part 4, both sides of the fixed shell 2 are respectively provided with a threaded hole, a threaded rod 7 which is horizontally arranged is installed in the threaded hole, one end of the threaded rod 7 extends into the fixed shell 2 and is rotatably connected with a clamping part 8, one side of the clamping part 8, which is close to the threaded rod 7, is fixedly connected with a guide rod 9 which is horizontally arranged, a guide hole is arranged on the fixed shell 2, the guide rod 9 extends to the outside of the fixed shell 2 through the guide hole, and due to the guide effect of the guide rod 9 on the horizontal movement of the clamping part 8, the clamping, thereby can fix the inside at fixed shell 2 through two holders 8 with the centre gripping of external rotor electric machine body 1, the installation is stable, and easy dismounting, the outside of fixed shell 2 is equipped with cylinder installation shell 11, fixedly connected with connecting rod 12 between the inner wall of installation shell 11 and the fixed shell 2, fixed shell 2 passes through connecting rod 12 to be fixed in the inside of installation shell 11, the both ends open position of cylinder installation shell 11 all is through second bolt 15 fixedly connected with collar 14, be equipped with protection network 16 in the collar 14, protection network 16 can play the effect that prevents the dust and prevent that fan blade 5 from hindering the people.

Wherein, connecting rod 12 includes first cooperation pole 19 and second cooperation pole 20, first sliding tray 21 has been seted up to the one end of first cooperation pole 19, the one end of second cooperation pole 20 extends to in the first sliding tray 21 and fixedly connected with damping spring 24, when external rotor motor body 1 starts up the production vibration, second cooperation pole 20 can slide compression damping spring 24 in first sliding tray 21, thereby can play the absorbing effect of buffering, make external rotor motor body 1 during operation noise lower.

Wherein, first cooperation pole 19 is located the inside one end fixedly connected with third cooperation pole 22 of first sliding tray 21, has seted up second sliding tray 23 on the inner wall of first sliding tray 21, and the one end of third cooperation pole 22 extends to in the second sliding tray 23, and installs rubber packing 25 in the second sliding tray 23, and third cooperation pole 22 slides and can collide rubber packing 25 in second sliding tray 23 when the outer rotor motor body 1 starts to produce the vibration, plays the effect of buffer protection.

Wherein, the top of cylinder installation shell 11 has seted up and has got the opening, and demountable installation has cowl 18 in getting the opening, through getting dismouting external rotor electric machine body 1 that the opening can be convenient.

Wherein, the one end that holder 8 was kept away from to threaded rod 7 extends to the outside of fixed shell 2 and fixedly connected with and rotates handle 17, and through rotating handle 17 can be laborsaving convenient rotation threaded rod 7 to drive holder 8 horizontal migration locking fixed external rotor electric machine body 1.

Wherein, outer rotor electric machine body 1 has all seted up centre gripping recess 10 near the both sides of holder 8, and holder 8 is arc platelike structure, and in holder 8 extended to centre gripping recess 10, holder 8 card can make outer rotor electric machine body 1's installation more stable at centre gripping recess 10.

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 utility model provides an external rotor electric machine for fan which characterized in that: the outer rotor motor comprises an outer rotor motor body (1) and a fixed shell (2), wherein the outer rotor motor body (1) is positioned inside the fixed shell (2), an output shaft of the outer rotor motor body (1) is fixedly connected with an installation seat (3), an installation part (4) is fixedly connected onto the installation seat (3) through a first bolt (6), a fan blade (5) is fixedly connected onto the installation part (4), both sides of the fixed shell (2) are respectively provided with a threaded hole, a threaded rod (7) which is horizontally arranged is installed in the threaded hole, one end of the threaded rod (7) extends into the fixed shell (2) and is rotatably connected with a clamping piece (8), one side of the clamping piece (8) close to the threaded rod (7) is fixedly connected with a guide rod (9) which is horizontally arranged, a guide hole is formed in the fixed shell (2), and the guide rod (9) extends to the outside of the fixed shell (2), the outer side of the fixed shell (2) is provided with a cylindrical installation shell (11), a connecting rod (12) is fixedly connected between the inner wall of the installation shell (11) and the fixed shell (2), the opening positions at the two ends of the cylindrical installation shell (11) are fixedly connected with installation rings (14) through second bolts (15), and a protective net (16) is arranged in the installation rings (14).

2. The external rotor motor for the fan according to claim 1, wherein: connecting rod (12) include first cooperation pole (19) and second cooperation pole (20), and first sliding tray (21) have been seted up to the one end of first cooperation pole (19), and the one end of second cooperation pole (20) extends to in first sliding tray (21) and fixedly connected with damping spring (24).

3. The external rotor motor for the fan according to claim 2, wherein: first cooperation pole (19) are located inside one end fixedly connected with third cooperation pole (22) of first sliding tray (21), have seted up second sliding tray (23) on the inner wall of first sliding tray (21), and the one end of third cooperation pole (22) extends to in second sliding tray (23), and installs rubber packing (25) in second sliding tray (23).

4. The external rotor motor for the fan according to claim 1, wherein: a taking and placing opening is formed in the top end of the cylindrical mounting shell (11), and an arc-shaped baffle (18) is detachably mounted in the taking and placing opening.

5. The external rotor motor for the fan according to claim 1, wherein: one end, far away from the clamping piece (8), of the threaded rod (7) extends to the outside of the fixed shell (2) and is fixedly connected with a rotating handle (17).

6. The external rotor motor for the fan according to claim 1, wherein: the outer rotor motor body (1) is close to the two sides of the clamping piece (8) and is provided with a clamping groove (10), the clamping piece (8) is of an arc-shaped plate-shaped structure, and the clamping piece (8) extends into the clamping groove (10).