CN218235540U

CN218235540U - Centrifugal fan convenient to change belt

Info

Publication number: CN218235540U
Application number: CN202222037178.6U
Authority: CN
Inventors: 唐熙东
Original assignee: Hunan Tetong Fan Co ltd
Current assignee: Hunan Tetong Fan Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-01-06
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses a centrifugal fan convenient to change belt, include: the fan comprises a base, a fan body and a motor, wherein a movable base is fixedly mounted at the bottom of the motor, a sliding frame is fixedly mounted on the base, the movable base is slidably mounted in the sliding frame, a driving mechanism is mounted between the movable base and the sliding frame in a matched mode, a vertical baffle is fixedly mounted on the right side of the sliding frame, and a reinforcing mechanism is mounted between the movable base and the vertical baffle in a matched mode. The utility model discloses a rotatory threaded rod, the adjustment removes the position of base, and then makes the belt lax, makes things convenient for it to take out the change, labour saving and time saving removes the in-process that the base removed to the direction of keeping away from the fan body, because the elasticity of spring can promote the tapered end and carry out the joint with the locked groove and fix, prevents in fan working process, and the vibrations of production lead to the threaded rod to change by mistake, cause the motor to shift, can improve the stability of this device during operation.

Description

Centrifugal fan convenient to change belt

Technical Field

The utility model relates to a fan technical field specifically is a centrifugal fan convenient to change belt.

Background

The fan is mainly applied to ventilation in various fields of national economy such as metallurgy, petrifaction, electric power, urban rail transit, textile, ships and the like and various places. Current belt formula centrifugal fan is after using a period, and the amount of wind can become littleer and littleer, and wherein one of the leading reasons is that the belt is ageing, and then produces the phenomenon of skidding and losing the commentaries on classics, causes the fan rotational speed to descend, and the amount of wind will descend, influences normal use, because the belt tightly overlaps on the drive wheel, when changing the belt, wastes time and energy, inconvenient change, consequently the utility model provides a centrifugal fan convenient to change the belt.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the present invention is directed to a centrifugal fan convenient for replacing a belt. In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

a centrifugal fan facilitating belt replacement comprising: the fan comprises a base and a motor installed on the base, a belt is installed on a first driving wheel of the fan body and a second driving wheel of the motor in a matched mode, a movable base is installed at the bottom of the motor in a fixed mode, a sliding frame is installed on the base in a fixed mode, the movable base is installed in the sliding frame in a sliding mode, a driving mechanism is installed between the movable base and the sliding frame in a matched mode, a vertical baffle is installed on the right side of the sliding frame in a fixed mode, a reinforcing mechanism is installed between the movable base and the vertical baffle in a matched mode, and the driving mechanism is used for adjusting the position of the movable base.

As a preferred scheme of the utility model, actuating mechanism includes the threaded rod, the left end of threaded rod with the left side wall of sliding frame rotates to be connected, the right-hand member of threaded rod the right side wall of sliding frame is worn out, it installs to remove the base screw thread on the threaded rod, can adjust the position of removing base and motor through rotatory threaded rod, make the belt lax, it is more convenient to take off.

As a preferred scheme of the utility model, fixed mounting has the commentaries on classics handle on the right-hand member of threaded rod, is convenient for rotate the threaded rod.

As a preferred scheme of the utility model, strengthening mechanism includes the locking lever, vertical slot has been seted up on the vertical baffle, locking lever slidable mounting is in erecting the inslot, locking lever side-mounting has spacing piece, spacing piece with erect and install the spring between the upper wall in groove in the cooperation, the spring suit is in on the locking lever, the lower extreme fixed mounting of locking lever has the tapered end, it corresponds on the base to remove the tapered end the locked groove has been seted up, and strengthening mechanism is used for preventing at the fan working process, and the vibrations that produce lead to the motor to shift and cause the belt lax, can make this device operation more stable.

As an optimized scheme of the utility model, the upper end fixed mounting of locking lever has the pull ring, is convenient for carry and draws the locking lever.

As a preferred scheme of the utility model, the bottom both sides of removing the base are rotated and are installed and remove the wheel, correspond in the sliding frame remove the wheel and seted up the gyro wheel groove, remove wheel and gyro wheel groove and can provide rolling friction, can be more laborsaving pass through the position that the base was removed in the threaded rod adjustment.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses a rotatory threaded rod, the position of base is removed in the adjustment, and then make the belt lax, make things convenient for it to take out the change, time saving and labor saving, remove the in-process that the base removed to the direction of keeping away from the fan body, because the elasticity of spring, can promote the tapered end and carry out the joint with the locked groove and fix, prevent in fan working process, the vibrations of production lead to the threaded rod to change by mistake, cause the motor to shift, can improve the stability of this device during operation, it can provide rolling friction to remove wheel and gyro wheel groove, it is more laborsaving when making the position of removing the base through rotatory threaded rod adjustment.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a sectional view of the sliding frame structure of the present invention;

fig. 3 is a sectional view of the lock rod structure of the present invention.

In the figure: 1. a fan body; 101. a first drive pulley; 2. a motor; 201. a second transmission wheel; 3. a belt; 4. a base; 5. a sliding frame; 501. a roller groove; 502. a vertical baffle; 503. a vertical slot; 6. moving the base; 601. a moving wheel; 602. locking the groove; 7. a threaded rod; 701. turning a handle; 8. a lock lever; 801. a limiting sheet; 802. a lock head; 803. a pull ring; 9. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example 1

As shown in fig. 1 to fig. 3, the embodiment of the centrifugal fan for conveniently replacing the belt of the present invention includes: base 4, and install fan body 1 and motor 2 on base 4, belt 3 is installed in the cooperation on fan body 1's first drive wheel 101 and motor 2's the second drive wheel 201, motor 2's bottom fixed mounting has the removal base 6, fixed mounting has sliding frame 5 on the base 4, remove 6 slidable mounting of base in sliding frame 5, remove and install actuating mechanism between base 6 and the sliding frame 5 in the cooperation, sliding frame 5's right side fixed mounting has vertical baffle 502, remove and install reinforcing mechanism between base 6 and the vertical baffle 502 in the cooperation.

Actuating mechanism includes threaded rod 7, and the left end of threaded rod 7 is rotated with the left side wall of sliding frame 5 and is connected, and the right-hand member of threaded rod 7 slides the right side wall of frame 5 and wears out, removes 6 screw thread installations of base on threaded rod 7, can adjust the position of removing base 6 and motor 2 through rotatory threaded rod 7, and then makes belt 3 relax and be convenient for take off, and fixed mounting has the pivoted of being convenient for on the right-hand member of threaded rod 7 and changes 701.

Reinforcing mechanism includes locking lever 8, vertical slot 503 has been seted up on

vertical baffle

502, 8 slidable mounting of locking lever are in

vertical slot

503, 8 side-mounting of locking lever have spacing piece 801, spring 9 is installed in the cooperation between spacing piece 801 and the upper wall of vertical slot 503, spring 9 suit is on locking lever 8, the lower extreme fixed mounting of locking lever 8 has tapered end 802, it has seted up locked groove 602 to correspond tapered end 802 on the removal base 6, reinforcing mechanism is arranged in preventing at the fan course of operation, the vibrations that produce, lead to threaded rod 7 mistake to change, lead to motor 2 to shift, can improve the stability of this device during operation, the upper end fixed mounting of locking lever 8 has the pull ring 803 of being convenient for to carry.

The two sides of the bottom of the movable base 6 are rotatably provided with movable wheels 601, the sliding frame 5 is internally provided with roller grooves 501 corresponding to the movable wheels 601, and when the position of the movable base 6 is adjusted through the threaded rod 7, the movable wheels 601 and the roller grooves 501 can provide rolling friction, so that the labor is saved.

The utility model discloses a theory of operation: the utility model discloses when changing belt 3, pull ring 803 is pulled up, make tapered end 802 and locked groove 602 break away from the cooperation, then rotatory threaded rod 7, the position of base 6 is removed in the adjustment, make its direction removal of fan body 1 left, and then make belt 3 relax, make things convenient for it to take out the change, change behind the belt 3, reverse rotation threaded rod 7 again, make and remove base 6 and drive motor 2 and remove to the direction of keeping away from fan body 1, prop tightly belt 3, the in-process of removing base 6 and removing to the direction of keeping away from fan body 1, because spring 9's elasticity, can promote tapered end 802 and locked groove 602 and carry out the joint fixed, prevent in fan working process, the vibrations of production, lead to the threaded rod 7 miscorrection to drive motor 2 and shift, can improve the stability of this device during operation.

Components not described in detail herein are prior art.

Although the specific embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations that do not have creative work are still within the scope of the present invention.

Claims

1. A centrifugal fan for facilitating replacement of a belt, comprising: base (4) and install fan body (1) and motor (2) on base (4), belt (3), its characterized in that are installed in the cooperation on first drive wheel (101) of fan body (1) and second drive wheel (201) of motor (2): the bottom fixed mounting of motor (2) has removal base (6), fixed mounting has sliding frame (5) on base (4), remove base (6) slidable mounting in sliding frame (5), it installs actuating mechanism to remove to cooperate between base (6) and sliding frame (5), the right side fixed mounting of sliding frame (5) has vertical baffle (502), it installs reinforcing mechanism to remove to cooperate between base (6) and vertical baffle (502).

2. The centrifugal fan convenient to change a belt of claim 1, characterized in that: the driving mechanism comprises a threaded rod (7), the left end of the threaded rod (7) is connected with the left side wall of the sliding frame (5) in a rotating mode, the right end of the threaded rod (7) penetrates out of the right side wall of the sliding frame (5), and the movable base (6) is installed on the threaded rod (7) in a threaded mode.

3. The centrifugal fan convenient for replacing the belt according to claim 2, characterized in that: the right end of the threaded rod (7) is fixedly provided with a rotating handle (701) convenient to rotate.

4. The centrifugal fan convenient to change a belt of claim 3, characterized in that: the strengthening mechanism includes locking lever (8), erect groove (503) have been seted up on vertical baffle (502), locking lever (8) slidable mounting is in erecting groove (503), locking lever (8) side-mounting has spacing piece (801), spacing piece (801) with spring (9) are installed in the cooperation between the upper wall of erecting groove (503), spring (9) suit is in on locking lever (8), the lower extreme fixed mounting of locking lever (8) has tapered end (802), it corresponds on base (6) to remove locking head (802) locked groove (602) have been seted up.

5. The centrifugal fan convenient to change a belt of claim 4, characterized in that: and the upper end of the lock rod (8) is fixedly provided with a pull ring (803) convenient to lift.

6. The centrifugal fan convenient to change a belt of claim 5, characterized in that: the movable base is characterized in that movable wheels (601) are rotatably mounted on two sides of the bottom of the movable base (6), and roller grooves (501) are formed in the sliding frame (5) corresponding to the movable wheels (601).