CN213870381U

CN213870381U - Vibration-damping low-noise fan

Info

Publication number: CN213870381U
Application number: CN202022566252.4U
Authority: CN
Inventors: 尹伦吉
Original assignee: Qingdao Shengheyuan Machinery Co ltd
Current assignee: Qingdao Shengheyuan Machinery Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-08-03
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a damping low noise fan, the load simulator comprises a case, the inside wall fixedly connected with bracing piece of machine case, the one end fixedly connected with mount pad of machine case is kept away from to the bracing piece, the inside wall fixedly connected with buffing pad of mount pad, the inside of buffing pad is provided with the buffer beam, the buffer beam is located the first spring of the inside one end fixedly connected with of buffing pad, the one end of buffer beam and the interior bottom fixed connection of buffing pad are kept away from to first spring, the one end fixedly connected with bearing of first spring is kept away from to the buffer beam, the inside of bearing is provided with the pivot, the surface fixedly connected with fixed plate of pivot, the side surface fixedly connected with inserted block of fixed plate. The utility model discloses, constitute buffer structure through buffer seat, buffer beam, first spring for reduce the vibrations that the fan produced at the during operation.

Description

Vibration-damping low-noise fan

Technical Field

The utility model relates to a ventilation equipment technical field especially relates to a damping low noise fan.

Background

The fan is an apparatus for conveying gas, and the fan with various shapes and principles exists in the prior art, and for protecting devices such as a fan and a motor inside the fan and not influencing the normal use of the fan, a shutter is usually arranged on one side of the fan facing the outdoor, and when the fan needs to exhaust, ventilation can be realized only by opening the blades of the shutter.

The existing fan can generate great vibration during working, and the fan blades of the existing fan are fixed on a rotating shaft or a driving mechanism, but cannot be replaced when the fan blades are damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a vibration reduction low-noise fan.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a vibration-damping low-noise fan comprises a case, wherein a supporting rod is fixedly connected to the inner side wall of the case, a mounting seat is fixedly connected to one end, away from the case, of the supporting rod, a buffering seat is fixedly connected to the inner side wall of the mounting seat, a buffering rod is arranged inside the buffering seat, a first spring is fixedly connected to one end, located inside the buffering seat, of the buffering rod, one end, away from the buffering rod, of the first spring is fixedly connected with the inner bottom of the buffering seat, a bearing is fixedly connected to one end, away from the first spring, of the buffering rod, and a rotating shaft is arranged inside the bearing;

the outer surface of the rotating shaft is fixedly connected with a fixing plate, the side surface of the fixing plate is fixedly connected with an inserting block, a fixing ring is arranged on the outer surface of the rotating shaft and positioned on the left side of the fixing plate, an inserting hole is formed in the fixing ring, and fan blades are arranged on the outer surface of the fixing ring;

the movable groove has been seted up to the inside of pivot, the inside swing joint of movable groove has the roof, the side surface fixedly connected with locating piece of roof, the one end that the roof was kept away from to the locating piece extends to the outside of pivot, the side surface of roof just is located the opposite one side fixedly connected with second spring of locating piece, the surface of pivot just is located solid fixed ring's left side and is provided with the holding ring, the locating hole has been seted up to the inside of holding ring.

As a further description of the above technical solution:

fastening bolts are arranged on the upper surface and the lower surface of the case, a blind window is arranged on the inner side wall of the case and on the left side of the supporting rod, and a threaded hole is formed in the blind window.

As a further description of the above technical solution:

the inside wall of machine case just is located the right side of bracing piece and is provided with the protection network, the one end fixedly connected with second band pulley of fixed plate is kept away from in the pivot.

As a further description of the above technical solution:

the interior bottom fixedly connected with motor of quick-witted case, the output shaft fixedly connected with first band pulley of motor.

As a further description of the above technical solution:

the plug block is matched with the jack, and the positioning block is matched with the positioning hole.

As a further description of the above technical solution:

the positioning block is arranged at one end of the outer side of the rotating shaft and is conical, and the first belt wheel is in transmission connection with the second belt wheel through a belt.

As a further description of the above technical solution:

the fastening bolt is matched with the threaded hole, and the louver is fixedly connected with the case through the fastening bolt and the threaded hole.

As a further description of the above technical solution:

the buffer seat, the quantity of buffer beam all are provided with a plurality ofly, the buffer beam adopts "worker" font design.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the damping low-noise fan is of a buffering structure formed by the buffering seat, the buffering rod and the first spring and used for reducing vibration generated by the fan during working.

2. Compared with the prior art, this damping low noise fan is through inserting the inserted block in the jack to with solid fixed ring and pivot joint, avoid fan during operation flabellum and pivot to take place relative slip.

3. Compared with the prior art, this damping low noise fan, locating piece are through inserting in the locating hole under the effect of second spring to fix the flabellum in the pivot, during the dismantlement, extrude the locating piece from the locating hole through the use tools, and dismantle holding ring, solid fixed ring from the pivot, be convenient for maintain or change the flabellum, structural design is reasonable, convenient operation, the installation and the dismantlement of the flabellum of being convenient for.

Drawings

Fig. 1 is a schematic view of the overall structure of a vibration-damping low-noise fan provided by the present invention;

fig. 2 is a rear view of a vibration-damping low-noise fan provided by the present invention;

fig. 3 is a schematic view of an internal structure of a mounting base of a vibration-damping low-noise fan provided by the present invention;

fig. 4 is a schematic view of the internal structure of the buffer seat of the vibration-damping low-noise fan of the present invention;

fig. 5 is a schematic view of an internal structure of a vibration-damping low-noise fan provided by the present invention;

fig. 6 is a schematic structural view of a in fig. 5 according to the present invention;

fig. 7 is a schematic structural diagram of B in fig. 5 according to the present invention.

Illustration of the drawings:

1. a chassis; 2. a support bar; 3. a mounting seat; 4. a buffer seat; 5. a buffer rod; 6. a first spring; 7. a rotating shaft; 8. a fixing plate; 9. inserting a block; 10. a fixing ring; 11. a jack; 12. a fan blade; 13. a movable groove; 14. a top plate; 15. positioning blocks; 16. a second spring; 17. a positioning ring; 18. positioning holes; 19. A blind window; 20. a threaded hole; 21. fastening a bolt; 22. a motor; 23. a first pulley; 24. a second pulley; 25. a protective net; 26. and a bearing.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-7, the utility model provides a pair of damping low noise fan: the fan comprises a case 1, a supporting rod 2 is fixedly connected to the inner side wall of the case 1, a mounting seat 3 is fixedly connected to one end, far away from the case 1, of the supporting rod 2, a buffer seat 4 is fixedly connected to the inner side wall of the mounting seat 3, a buffer rod 5 is arranged inside the buffer seat 4, a plurality of buffer seats 4 and buffer rods 5 are arranged, the buffer rods 5 are designed in an I shape, a bearing 26 is conveniently positioned, a first spring 6 is fixedly connected to one end, far away from the buffer rod 5, of each buffer rod 5, one end, far away from the buffer rod 5, of each buffer seat 4 is fixedly connected with the inner bottom of the corresponding buffer seat 4, a bearing 26 is fixedly connected to one end, far away from the first spring 6, of each buffer rod 5, a rotating shaft 7 is arranged inside the corresponding bearing 26, and a buffer structure is formed by the buffer seats 4, the buffer rods 5 and the first springs 6 and used for reducing vibration generated when the fan works; the outer surface of the rotating shaft 7 is fixedly connected with a fixing plate 8, the side surface of the fixing plate 8 is fixedly connected with an inserting block 9, the inserting block 9 is matched with an inserting hole 11, a fixing ring 10 is arranged on the outer surface of the rotating shaft 7 and positioned on the left side of the fixing plate 8, the inserting hole 11 is formed in the fixing ring 10, a fan blade 12 is arranged on the outer surface of the fixing ring 10, the inserting block 9 is inserted into the inserting hole 11, so that the fixing plate 8 is clamped with the fixing ring 10, and the fan blade 12 and the rotating shaft 7 are prevented from sliding relatively when the fan works; activity groove 13 has been seted up to the inside of pivot 7, the inside swing joint of activity groove 13 has roof 14, the side surface fixedly connected with locating piece 15 of roof 14, locating piece 15 and locating hole 18 looks adaptation, the one end that locating piece 15 is located the pivot 7 outside is the toper, be convenient for solid fixed ring 10, holding ring 17 installs on pivot 7, the one end that roof 14 was kept away from to locating piece 15 extends to the outside of pivot 7, the side surface of roof 14 just is located the opposite one side fixedly connected with second spring 16 of locating piece 15, insert locating piece 15 in locating hole 18 through the elasticity that utilizes second spring 16, thereby install holding ring 17 on pivot 7, thereby fix flabellum 12 on pivot 7, the surface of pivot 7 just is located the left side of solid fixed ring 10 and is provided with holding ring 17, holding ring 18 has been seted up to holding ring 17's inside.

The upper surface and the lower surface of machine case 1 all are provided with fastening bolt 21, the inside wall of machine case 1 and the left side that is located bracing piece 2 are provided with shutter 19, threaded hole 20 is seted up to shutter 19's inside, fastening bolt 21 and threaded hole 20 looks adaptation, shutter 19 passes through fastening bolt 21, threaded hole 20 and quick-witted case 1 fixed connection, the inside wall of machine case 1 and the right side that is located bracing piece 2 are provided with the protection network 25, prevent that the fan from hurting other people at the during operation, the one end fixedly connected with second band pulley 24 of fixed plate 8 is kept away from to pivot 7, the interior bottom fixedly connected with motor 22 of machine case 1, be used for driving pivot 7 to drive flabellum 12 and rotate, the first band pulley 23 of output shaft fixedly connected with of motor 22, first band pulley 23 passes through the belt and is connected with the transmission of second band pulley 24.

The working principle is as follows: when the fan is in operation, the rotating shaft 7 is driven by the motor 22 to drive the fan blade 12 to rotate, a buffer structure is formed by the buffer seat 4, the buffer rod 5 and the first spring 6 and is used for reducing vibration generated during the operation of the fan, when the fan blade 12 is damaged, the fastening bolt 21 is rotated out of the threaded hole 20 by rotating the fastening bolt 21, so that the louver 19 is disassembled, the positioning block 15 is extruded out of the positioning hole 18 by using a tool, so that the positioning ring 17 and the fixing ring 10 are disassembled from the rotating shaft 7, so that the fan blade 12 is disassembled, repaired or replaced, after the repair or replacement is completed, the fixing ring 10 and the positioning ring 17 are sequentially installed on the rotating shaft 7, the inserting block 9 is inserted into the inserting hole 11, so that the fixing plate 8 is clamped with the fixing ring 10, the fan blade 12 and the rotating shaft 7 are prevented from sliding relatively when the fan is in operation, and the positioning block 15 is inserted into the positioning hole 18 by using the elasticity of the second spring 16, positioning ring 17 is mounted on shaft 7 to fix fan blades 12 on shaft 7, louver 19 is mounted on casing 1, and fastening bolt 21 is turned into threaded hole 20 to fix louver 19.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in other embodiments without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a damping low noise fan, includes quick-witted case (1), its characterized in that: the inner side wall of the case (1) is fixedly connected with a supporting rod (2), one end, far away from the case (1), of the supporting rod (2) is fixedly connected with an installation seat (3), the inner side wall of the installation seat (3) is fixedly connected with a buffer seat (4), a buffer rod (5) is arranged inside the buffer seat (4), one end, far away from the buffer rod (5), of the buffer rod (5) is fixedly connected with a first spring (6), one end, far away from the buffer rod (5), of the first spring (6) is fixedly connected with the inner bottom of the buffer seat (4), one end, far away from the first spring (6), of the buffer rod (5) is fixedly connected with a bearing (26), and a rotating shaft (7) is arranged inside the bearing (26);

the outer surface of the rotating shaft (7) is fixedly connected with a fixing plate (8), the side surface of the fixing plate (8) is fixedly connected with an inserting block (9), a fixing ring (10) is arranged on the outer surface of the rotating shaft (7) and positioned on the left side of the fixing plate (8), an inserting hole (11) is formed in the fixing ring (10), and a fan blade (12) is arranged on the outer surface of the fixing ring (10);

activity groove (13) have been seted up to the inside of pivot (7), the inside swing joint of activity groove (13) has roof (14), the side surface fixedly connected with locating piece (15) of roof (14), the one end that roof (14) were kept away from in locating piece (15) extends to the outside of pivot (7), the side surface of roof (14) just is located one side fixedly connected with second spring (16) that locating piece (15) are opposite, the surface of pivot (7) just is located the left side of solid fixed ring (10) and is provided with holding ring (17), locating hole (18) have been seted up to the inside of holding ring (17).

2. The vibration-damping low-noise blower according to claim 1, wherein: fastening bolts (21) are arranged on the upper surface and the lower surface of the case (1), a blind window (19) is arranged on the inner side wall of the case (1) and on the left side of the supporting rod (2), and a threaded hole (20) is formed in the blind window (19).

3. The vibration-damping low-noise blower according to claim 1, wherein: the right side of the inner side wall of the case (1) and the supporting rod (2) is provided with a protective net (25), and one end, far away from the fixing plate (8), of the rotating shaft (7) is fixedly connected with a second belt wheel (24).

4. The vibration-damping low-noise blower according to claim 1, wherein: the inner bottom of the case (1) is fixedly connected with a motor (22), and an output shaft of the motor (22) is fixedly connected with a first belt wheel (23).

5. The vibration-damping low-noise blower according to claim 1, wherein: the inserting block (9) is matched with the inserting hole (11), and the positioning block (15) is matched with the positioning hole (18).

6. The vibration-damping low-noise blower according to claim 4, wherein: one end of the positioning block (15) located on the outer side of the rotating shaft (7) is conical, and the first belt wheel (23) is in transmission connection with the second belt wheel (24) through a belt.

7. The vibration-damping low-noise fan according to claim 2, wherein: the fastening bolt (21) is matched with the threaded hole (20), and the shutter (19) is fixedly connected with the case (1) through the fastening bolt (21) and the threaded hole (20).

8. The vibration-damping low-noise blower according to claim 1, wherein: the buffer seat (4) and the buffer rods (5) are arranged in a plurality of numbers, and the buffer rods (5) are designed in an I shape.