CN213298361U

CN213298361U - Rotor cover of alternating-current external rotor centrifugal fan

Info

Publication number: CN213298361U
Application number: CN202022284604.7U
Authority: CN
Inventors: 施惠立
Original assignee: Ningbo Licheng Power Technology Co ltd
Current assignee: Ningbo Licheng Power Technology Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-05-28
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses an exchange external rotor centrifugal fan rotor lid, the electric iron comprises a cylinder, the inside recess that has seted up of cylinder, the inside fixedly connected with bracing piece of recess, bracing piece one end sliding connection has press the depression bar, press the depression bar and keep away from bracing piece one end and run through in the cylinder outer wall, press depression bar and cylinder sliding connection, be equipped with the spring between press depression bar and the recess, press depression bar outer wall fixedly connected with fixed block. The utility model discloses a set up the bracing piece inside the recess, the joining of bracing piece makes the stability according to the depression bar increase, and the joining of spring makes the depression bar can get back to original position, and the joining of fixed plate makes the sliding sleeve can swing motion, and the joining of first slide bar and second slide bar makes the fixed block can drive the movable sleeve motion, and the joining of movable rod makes the movement track of movable sleeve obtain the restriction, and the joining of slider and spout makes the stability of movable sleeve increase.

Description

Rotor cover of alternating-current external rotor centrifugal fan

Technical Field

The utility model relates to a centrifugal fan technical field, concretely relates to exchange external rotor centrifugal fan rotor lid.

Background

The rotor refers to a rotating body supported by a bearing. An optical disc or the like, which does not have a rotating shaft of its own, may be considered a rotor when it employs a rigid connection or an additional shaft. The rotor of the motor is generally composed of an iron core wound with coils, a slip ring, a fan blade and the like. The main components of power machines or working machines such as motors, generators, gas turbines, turbo compressors and the like rotate at high speed. The main rotor rotates at a high speed, and the rotating shaft generates deflection deformation when the speed of the main rotor is close to the critical rotating speed. Even mechanical damage due to resonance. The natural frequency of the transverse vibration of the rotor is multi-step, so its corresponding critical rotational speed is also multi-step. When the working rotating speed of the rotor is lower than the first-order critical rotating speed, the rotor is called a rigid rotor, and when the working rotating speed of the rotor is higher than the first-order critical rotating speed, the rotor is called a flexible rotor, and when the rotor is installed, a rotor cover is needed.

Therefore, it is necessary to provide a rotor cover of an ac external rotor centrifugal fan to solve the above problems.

The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an exchange external rotor centrifugal fan rotor lid through at the inside bracing piece that sets up of recess, makes the stability according to the depression bar increase, sets up the spring according to between depression bar and the recess, makes according to the depression bar and can get back to original position, sets up the fixed plate at the sliding sleeve outer wall, makes the sliding sleeve can swing motion to solve the above-mentioned weak point in the technique.

In order to achieve the above object, the present invention provides the following technical solutions: an alternating current outer rotor centrifugal fan rotor cover comprises a cylinder, a groove is formed in the cylinder, a supporting rod is fixedly connected in the groove, one end of the supporting rod is connected with a pressing rod in a sliding mode, the end, away from the supporting rod, of the pressing rod penetrates through the outer wall of the cylinder, the pressing rod is connected with the cylinder in a sliding mode, a spring is arranged between the pressing rod and the groove, a fixed block is fixedly connected to the outer wall of the pressing rod, a first sliding rod is hinged to one side of the outer wall of the fixed block, the end, away from the fixed block, of the first sliding rod is connected with a sliding sleeve in a sliding mode, a fixed plate is hinged to the outer wall of the sliding sleeve, a supporting block is fixedly connected in the groove, one end, away from the supporting block, of, one end, far away from the sliding sleeve, of the second sliding rod is hinged to a movable sleeve, one end of the movable sleeve is connected with a movable rod in a sliding mode, one end, far away from the movable sleeve, of the movable rod is fixedly connected with the inner wall of the groove, and one end, far away from the movable rod, of the movable sleeve is fixedly connected with an extrusion plate.

Preferably, the outer wall of the movable sleeve is provided with a sliding groove, the sliding groove is connected with a sliding block in a sliding mode, the inner wall of the groove is fixedly connected with a fixing rod, and one end of the fixing rod is fixedly connected with the outer wall of the sliding block.

Preferably, the outer wall of the cylinder is provided with a connecting groove, the connecting groove is communicated with the groove, one side, away from the movable sleeve, of the outer wall of the extrusion plate is provided with a clamping groove, and a rubber pad is bonded inside the clamping groove.

Preferably, the number of the supporting rods is two, and the two supporting rods are symmetrically distributed in the groove.

Preferably, one end of the spring is fixedly connected with the inside of the groove, and the other end of the spring is fixedly connected with the outer wall of the fixing block.

Preferably, the number of the connecting grooves is two, and the two connecting grooves are symmetrically distributed on the outer wall of the cylinder.

Preferably, the cross-sectional shape of the groove is circular, and the cross-sectional shape of the engagement groove is circular arc.

In the technical scheme, the utility model provides a technological effect and advantage:

through setting up the bracing piece in that the recess is inside, the joining of bracing piece, make the stability according to the depression bar increase, the joining of spring, make and can get back to the primary position according to the depression bar, the joining of fixed plate, make the sliding sleeve can swing motion, the joining of first slide bar and second slide bar, make the fixed block can drive the movable sleeve motion, the joining of movable rod, the movement track that makes the movable sleeve obtains the restriction, the joining of slider and spout, make the stability of movable sleeve increase, this rotor lid installation is simple and convenient, time saving and labor saving.

Drawings

For a clearer explanation of the embodiments of the present application or technical solutions in the prior art, the drawings needed 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 described in the present application, and it is obvious for those skilled in the art to obtain other drawings according to these drawings.

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

FIG. 2 is a main sectional view of the groove of the present invention;

fig. 3 is a side sectional view of the support rod of the present invention;

fig. 4 is a top view of the chute of the present invention.

Description of reference numerals:

the device comprises a cylinder 1, a groove 2, a supporting rod 3, a pressing rod 4, a spring 5, a fixed block 6, a first sliding rod 7, a sliding sleeve 8, a fixed plate 9, a supporting block 10, a second sliding rod 11, a movable sleeve 12, a movable rod 13, an extrusion plate 14, a sliding groove 15, a sliding block 16, a fixed rod 17, a connecting groove 18 and a clamping groove 19.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

The utility model provides an AC outer rotor centrifugal fan rotor cover as shown in figures 1-4, which comprises a cylinder 1, a groove 2 is arranged inside the cylinder 1, a support rod 3 is fixedly connected inside the groove 2, one end of the support rod 3 is slidably connected with a press rod 4, one end of the press rod 4, which is far away from the support rod 3, penetrates through the outer wall of the cylinder 1, the press rod 4 is slidably connected with the cylinder 1, a spring 5 is arranged between the press rod 4 and the groove 2, the outer wall of the press rod 4 is fixedly connected with a fixed block 6, one side of the outer wall of the fixed block 6 is hinged with a first slide rod 7, one end of the first slide rod 7, which is far away from the fixed block 6, is slidably connected with a slide sleeve 8, the outer wall of the slide sleeve 8 is hinged with a fixed plate 9, a supporting block, the fixed plate 9 is far away from supporting shoe 10 one end and 2 inner wall fixed connection of recess, the sliding sleeve 8 is kept away from first slide bar 7 one end sliding connection has second slide bar 11, the second slide bar 11 is kept away from that the sliding sleeve 8 one end articulates there is

movable sleeve

12, 12 one end sliding connection of movable sleeve has movable rod 13, movable rod 13 is kept away from 12 one end of movable sleeve and 2 inner wall fixed connection of recess, movable sleeve 12 is kept away from 13 one end fixed connection of movable rod and has stripper plate 14.

Further, in the above technical scheme, the outer wall of the movable sleeve 12 is provided with a sliding groove 15, the sliding groove 15 is connected with a sliding block 16 in a sliding manner, the inner wall of the groove 2 is fixedly connected with a fixing rod 17, and one end of the fixing rod 17 is fixedly connected with the outer wall of the sliding block 16, so that the movement track of the movable sleeve 12 is limited, and the stability of the movable sleeve 12 is increased.

Further, in the above technical solution, the outer wall of the cylinder 1 is provided with a connecting groove 18, the connecting groove 18 is communicated with the groove 2, one side of the outer wall of the extrusion plate 14, which is far away from the movable sleeve 12, is provided with a clamping groove 19, and a rubber pad is bonded inside the clamping groove 19, so that the extrusion plate 14 can be attached to the outer wall of an article, and the frictional resistance between the article and the extrusion plate 14 is increased.

Further, in above-mentioned technical scheme, the quantity of bracing piece 3 sets up to two, and two bracing pieces 3 symmetric distribution are inside recess 2, and the restriction is pressed the movement track of pressure arm 4, makes the stability greatly increased who presses pressure arm 4.

Further, in the above technical scheme, one end of the spring 5 is fixedly connected with the inside of the groove 2, and the other end of the spring 5 is fixedly connected with the outer wall of the fixing block 6, so that the stability of the spring 5 is improved, and the fixing block 6 can return to the original position.

Further, in the above technical solution, the number of the connecting slots 18 is two, and the two connecting slots 18 are symmetrically distributed on the outer wall of the cylinder 1.

Further, in the above technical solution, the cross-sectional shape of the groove 2 is circular, and the cross-sectional shape of the engaging groove 19 is circular arc, so that the pressing plate 14 can be attached to the outer wall of the article.

The implementation mode is specifically as follows: when the rotor cover is used for installation, the pressing rod 4 is pressed, the pressing rod 4 and the supporting rod 3 perform sliding motion, the supporting rod 3 is added, the stability of the pressing rod 4 is increased, the pressing rod 4 simultaneously extrudes the spring 5, the spring 5 is added, the pressing rod 4 can return to the original position, the fixing block 6 is driven by the pressing rod 4 to move, the fixing block 6 drives the first sliding rod 7 to move, the first sliding rod 7 swings, the first sliding rod 7 drives the sliding sleeve 8 to move, the sliding sleeve 8 swings, the first sliding rod 7 and the sliding sleeve 8 perform sliding motion, the sliding sleeve 8 drives the second sliding rod 11 to move, the second sliding rod 11 swings, the fixing plate 9 is added, the sliding sleeve 8 can swing, the second sliding rod 11 performs sliding motion in the sliding sleeve 8, the first sliding rod 7 and the second sliding rod 11 are added, the fixing block 6 can drive the movable sleeve 12 to move, and the second sliding rod 11 drives the movable sleeve 12 to move, make the movable sleeve 12 at the outer wall sliding motion of movable rod 13, the joining of movable rod 13, make the movement track of movable sleeve 12 obtain the restriction, movable sleeve 12 drives spout 15 motion, make

spout

15 and 16 sliding motion of slider, the joining of slider 16 and spout 15, make the stability of movable sleeve 12 increase, movable sleeve 12 drives the stripper plate 14 motion, when stripper plate 14 reachs suitable position, make article enter into inside spread groove 18, make article reachd inside the snap-on groove 19, when article reachs suitable position, loosen and press pole 4, the extrusion force of spring 5, make stripper plate 14 extrude article, this embodiment has specifically solved rotor lid trouble of installation, the problem that wastes time and energy.

This practical theory of operation:

referring to the attached drawings 1-4 of the specification, when the rotor cover is used for installation, the pressing rod 4 is pressed, the pressing rod 4 and the supporting rod 3 slide, the pressing rod 4 simultaneously extrudes the spring 5, the pressing rod 4 drives the fixed block 6 to move, the fixed block 6 drives the first slide bar 7 to move, so that the first slide bar 7 swings, the first slide bar 7 drives the sliding sleeve 8 to move, so that the sliding sleeve 8 swings, the first slide bar 7 and the sliding sleeve 8 slide, the sliding sleeve 8 drives the second slide bar 11 to move, so that the second slide bar 11 swings, and the second slide bar 11 slides in the sliding sleeve 8, the second slide bar 11 drives the movable sleeve 12 to move, so that the movable sleeve 12 slides on the outer wall of the movable rod 13, the movable sleeve 12 drives the sliding chute 15 to move, so that the sliding chute 15 and the sliding block 16 slide, the movable sleeve 12 drives the extrusion plate 14 to move, when the extrusion plate 14 reaches a proper, when the article reaches a proper position, the pressing lever 4 is released and the pressing force of the spring 5 is released, so that the pressing plate 14 presses the article.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an exchange outer rotor centrifugal fan rotor lid, includes cylinder (1), its characterized in that: a groove (2) is formed in the cylinder (1), a supporting rod (3) is fixedly connected in the groove (2), one end of the supporting rod (3) is connected with a pressing rod (4) in a sliding manner, one end, far away from the supporting rod (3), of the pressing rod (4) penetrates through the outer wall of the cylinder (1), the pressing rod (4) is connected with the cylinder (1) in a sliding manner, a spring (5) is arranged between the pressing rod (4) and the groove (2), a fixing block (6) is fixedly connected to the outer wall of the pressing rod (4), a first sliding rod (7) is hinged to one side of the outer wall of the fixing block (6), a sliding sleeve (8) is connected to one end, far away from the fixing block (6), of the first sliding rod (7) in a sliding manner, a fixing plate (9) is hinged to the outer wall of the sliding sleeve (8), a supporting block (10) is, supporting shoe (10) one end and recess (2) inner wall fixed connection are kept away from in fixed plate (9), first slide bar (7) one end sliding connection has second slide bar (11) is kept away from in sliding sleeve (8), sliding sleeve (8) one end is kept away from in second slide bar (11) articulates there is movable sleeve (12), movable sleeve (12) one end sliding connection has movable rod (13), movable sleeve (12) one end and recess (2) inner wall fixed connection are kept away from in movable rod (13), movable rod (13) one end fixedly connected with stripper plate (14) are kept away from in movable sleeve (12).

2. The ac outer rotor centrifugal fan rotor cover according to claim 1, wherein: sliding groove (15) have been seted up to the movable sleeve (12) outer wall, sliding connection has slider (16) inside sliding connection of sliding groove (15), recess (2) inner wall fixedly connected with dead lever (17), dead lever (17) one end and slider (16) outer wall fixed connection.

3. The ac outer rotor centrifugal fan rotor cover according to claim 1, wherein: the outer wall of the cylinder (1) is provided with a connecting groove (18), the connecting groove (18) is communicated with the groove (2), one side, away from the movable sleeve (12), of the outer wall of the extrusion plate (14) is provided with a clamping groove (19), and a rubber pad is bonded inside the clamping groove (19).

4. The ac outer rotor centrifugal fan rotor cover according to claim 1, wherein: the number of the supporting rods (3) is two, and the two supporting rods (3) are symmetrically distributed in the groove (2).

5. The ac outer rotor centrifugal fan rotor cover according to claim 1, wherein: spring (5) one end and the inside fixed connection of recess (2), spring (5) other end and fixed block (6) outer wall fixed connection.

6. An AC outer rotor centrifugal fan rotor cover according to claim 3, wherein: the number of connecting groove (18) sets up to two, and two connecting groove (18) symmetric distribution are in cylinder (1) outer wall.

7. An AC outer rotor centrifugal fan rotor cover according to claim 3, wherein: the cross-sectional shape of the groove (2) is circular, and the cross-sectional shape of the clamping groove (19) is circular arc.