CN210565360U

CN210565360U - Centrifugal fan mounting frame and centrifugal fan that are fit for different motor installations

Info

Publication number: CN210565360U
Application number: CN201921033300.4U
Authority: CN
Inventors: 冯展锋
Original assignee: Foshan Shunde District Kwai Wind Ventilation Equipment Co Ltd
Current assignee: Foshan Shunde District Kwai Wind Ventilation Equipment Co Ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-05-19
Anticipated expiration: 2029-07-03

Abstract

The utility model discloses a centrifugal fan mounting bracket and centrifugal fan that is fit for different motor installations, including wind wheel seat frame and motor seat frame, be equipped with the through-hole that power supply machine output shaft passed and two symmetrical positions in the connecting piece of through-hole both sides on the backplate of wind wheel seat frame, the motor seat frame is including installation panel and the both sides board that is located installation panel below and with installation panel both sides fixed connection, two curb plates are connected with two connecting piece one-to-ones, curb plate relatively connecting piece reciprocates and fixes through the fastener, the interval is equipped with a plurality of groups of motor foot punch combination on the installation panel, each group's motor foot punch combination is used for installing the motor of one or multiple specification, four motor foot holes of each group's motor foot punch combination are symmetrical for the axis of through-hole. The utility model discloses can solve the problem of site operation flexibility, after the pipeline has been adorned to the fan, need not to tear open the motor that centrifugal fan mounting bracket can conveniently change different specifications.

Description

Centrifugal fan mounting frame and centrifugal fan that are fit for different motor installations

Technical Field

The utility model relates to a ventilation equipment technical field, concretely relates to centrifugal fan mounting bracket that is fit for different motor installations and centrifugal fan including this centrifugal fan mounting bracket.

Background

The centrifugal fan is mainly used for transporting common air or gas in a specific environment (such as gas with oil smoke in a kitchen and gas with dust in a factory), and can be correspondingly matched with motors of different specifications for use according to the design of a wind wheel and the size of a shell of the centrifugal fan, namely a fan shell with the same size, and can be matched with motors and wind wheels of different rotating speeds and powers according to different use environments, and the power is different, and bases of the motors can be different. The traditional centrifugal fans have two types, one type is a direct connection type centrifugal fan seat frame, commonly called an A-type connected centrifugal fan (called the A-type centrifugal fan for short), the design of a motor plate of the centrifugal fan is fixed, namely, a shell seat frame with the same specification can only be matched with a motor with an appointed machine base, and the inconvenience is brought to product distribution customers and field construction personnel; the other is a belt-driven centrifugal fan, commonly called C-driven centrifugal fan (C-type centrifugal fan for short), and the price of the centrifugal fan is higher than that of the A-type centrifugal fan by more than 50%.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifugal fan mounting bracket that is fit for different motor installations, through adjusting the motor seat frame, can install the motor of multiple specification.

The second purpose of the present invention is to provide a centrifugal fan, which is convenient for replacing motors with different specifications.

To achieve the purpose, the utility model adopts the following technical proposal:

on one hand, the centrifugal fan mounting rack suitable for mounting different motors comprises a wind wheel seat frame and a motor seat frame, wherein a through hole through which an output shaft of a power supply motor passes and two connecting pieces symmetrically positioned at two sides of the through hole are arranged on a back plate of the motor seat frame, the wind wheel seat frame comprises a mounting panel and two side plates which are positioned below the mounting panel and fixedly connected with two sides of the mounting panel, the two side plates are in one-to-one correspondence connection with the two connecting pieces, the side plates can move up and down relative to the connecting pieces and are fixed through fasteners, a plurality of groups of motor foot hole groups are arranged on the mounting panel at intervals, each group of motor foot hole groups is used for mounting motors with one or more specifications, and each group of motor foot hole groups comprises four motor foot holes distributed in four corners, the four motor pin holes are symmetrical relative to the axis of the through hole.

As a preferable scheme of the centrifugal fan mounting rack suitable for mounting different motors, the motor foot holes are of a long hole structure, and the length of the motor foot holes extends along a direction perpendicular to the back plate.

As an optimal scheme that is fit for the centrifugal fan mounting bracket of different motor installations, the connecting piece include with backplate fixed connection's first connecting plate and with another is kept away from to first connecting plate the perpendicular second connecting plate of connecting of one side of connecting piece, first connecting plate with the length of second connecting plate all extends along vertical direction, the second connecting plate is provided with a plurality of first connecting holes along vertical direction interval, the curb plate along vertical direction interval be provided with a plurality of with the first regulation slot hole of the position one-to-one of first connecting hole, the length of first regulation slot hole extends along vertical direction, the fastener includes first adjusting screw and first lock nut, first adjusting screw can pass first connecting hole with first regulation slot hole and pass through first lock nut locks.

As an optimal scheme of the centrifugal fan mounting frame suitable for mounting different motors, the centrifugal fan mounting frame further comprises a support frame, wherein the support frame comprises two support seats positioned on two sides of the motor base frame, the support seats are movably connected with the side plates and fixed through fixing pieces, and the support seats can be opposite to each other, so that the side plates can move up and down to the lower end faces of the support seats and the lower end faces of the wind wheel base frame are positioned on the same horizontal plane.

As an optimal scheme who is fit for the centrifugal fan mounting bracket of different motor installations, be provided with the second on the supporting seat and adjust the slot hole, correspond on the curb plate the position of second regulation slot hole is provided with a plurality of second connecting holes along vertical direction interval, the mounting includes second adjusting screw and second lock nut, the second adjusting screw can pass the second connecting hole with the second is adjusted the slot hole and is passed through second lock nut locking.

As an optimal scheme who is fit for the centrifugal fan mounting bracket of different motor installations, the quantity of second regulation slot hole is four, and every two along vertical direction interval distribution the second is adjusted the slot hole and is a set of, and is two sets of the second is adjusted the slot hole and is close to respectively the both sides setting of supporting seat, correspond every on the curb plate the second is adjusted the slot hole and all is provided with a plurality of the second connecting hole.

As an optimized scheme of the centrifugal fan mounting frame suitable for mounting different motors, the motor seat frame further comprises a fixing plate respectively vertically connected with the side plate and the mounting panel, a hollow hole is formed in the fixing plate, and the hole wall of the hollow hole is adjacent to the periphery of the fixing plate.

As an optimal scheme of the centrifugal fan mounting bracket suitable for mounting different motors, the back plate comprises a back plate main body provided with mounting holes and a mounting plate detachably mounted in the mounting holes, the mounting plate is fixedly connected with the connecting piece, and the through holes are formed in the mounting plate.

As an optimal scheme of the centrifugal fan mounting bracket that is fit for different motor installations, be provided with in the backplate main part and keep away from towards the installation step of the concave establishment in one side of motor seat frame, the hole of installation step forms the through-hole, the mounting panel pass through the screw with the connection can be dismantled to the installation step, the mounting panel install in when on the installation step, the mounting panel with the surface parallel and level of backplate main part.

In another aspect, a centrifugal fan is also provided, which comprises the centrifugal fan mounting rack suitable for mounting different motors.

The utility model has the advantages that: the utility model discloses set up multiunit motor foot punch combination on the installation panel, can install the motor of multiple specification, the hookup location of adjustment curb plate and connecting piece simultaneously can adjust the height of motor seat frame, makes the output shaft of motor just to the through-hole to can assemble the motor of various different specifications smoothly on the motor seat frame. Compared with the prior art, the utility model discloses a problem of site operation flexibility can be solved to the centrifugal fan mounting bracket, has adorned the pipeline at the fan very much after, need not to tear the motor that the centrifugal fan mounting bracket can conveniently change different specifications away, can also improve in addition and adopt the utility model discloses a centrifugal fan's of centrifugal fan mounting bracket market competition.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic view of a structure of a view angle of a centrifugal fan mounting frame according to an embodiment of the present invention.

Fig. 2 is a schematic view of another view angle of the centrifugal fan mounting bracket according to the embodiment of the present invention.

Fig. 3 is a side view of a perspective of a centrifugal fan in accordance with an embodiment of the present invention.

Fig. 4 is a side view of another perspective of a centrifugal fan according to an embodiment of the present invention.

Fig. 5 is a side view of another embodiment of the present invention at a viewing angle.

Fig. 6 is a side view from another perspective of another centrifugal fan according to an embodiment of the present invention.

In fig. 1 and 2:

1. a wind wheel seat frame; 11. a back plate; 111. a back plate main body; 112. mounting a plate; 12. a through hole; 13. a connecting member; 131. a first connecting plate; 132. a second connecting plate; 14. a fastener;

2. a motor mount; 21. installing a panel; 22. a side plate; 221. a first adjustment long hole; 23. a set of motor foot holes; 24. a fixing plate; 241. hollowing out holes;

3. a support frame; 31. a supporting seat; 32. a fixing member; 33. the second adjustment slot hole.

In fig. 3 to 6:

100. a centrifugal fan mounting rack; 200. a first motor; 300. a second motor.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a centrifugal fan mounting rack suitable for mounting different motors, including a wind wheel seat frame 1 and a motor seat frame 2, a through hole 12 for passing an output shaft of a motor and two connecting members 13 symmetrically located at two sides of the through hole 12 are provided on a back plate 11 of the wind wheel seat frame 1 close to the motor seat frame 2, a length of the connecting member 13 extends along a vertical direction, the motor seat frame 2 includes a mounting panel 21 and two side plates 22 located below the mounting panel 21 and fixedly connected to two sides of the mounting panel 21, the two side plates 22 are connected to the two connecting members 13 in a one-to-one correspondence, the side plates 22 can move up and down relative to the connecting members 13 and are fixed by fasteners 14, a plurality of motor foot hole sets 23 are provided at intervals on the mounting panel 21, each motor foot hole set 23 is used for mounting a motor of one or more specifications, each motor foot hole set 23 includes four motor foot holes distributed in four corners, the four motor foot holes are symmetrical with respect to the axis of the through hole 12. In the embodiment, the plurality of sets of motor foot hole groups 23 are arranged on the mounting panel 21, so that motors with various specifications can be mounted, and the height of the motor seat frame 2 can be adjusted by adjusting the connecting positions of the side plates 22 and the connecting pieces 13, so that the output shaft of the motor is just opposite to the through hole 12, and the motors with various specifications can be smoothly assembled on the motor seat frame 2. Compared with the prior art, the cost of the centrifugal fan comprising the centrifugal fan mounting frame is lower than that of the C-type centrifugal fan, the height of the motor seat frame is adjusted on the premise of ensuring the stable structure, the motors with different specifications can be replaced without detaching the centrifugal fan mounting frame after the fan is mounted on a pipeline, and the field installation of the motors and the flexibility of the operation and the sale of the centrifugal fan are greatly increased.

Specifically, as shown in fig. 1 and fig. 2, two sets of motor foot hole groups 23 are spaced on the mounting panel 21 of the motor base frame 2 of the present embodiment, wherein the distance between one set of motor foot hole groups 23 and the back plate 11 is smaller than the distance between the other set of motor foot hole groups 23 and the back plate 11, one set of motor foot hole groups 23 close to the back plate 11 can be used for mounting a motor of one specification (Y112 model or motor model same as the specification of the motor of the one specification), and the other set of motor foot hole groups 23 can be used for mounting a motor of two specifications (Y132S model and Y132M model, or motor model same as the specification of the motors of the two specifications).

In this embodiment, the motor foot hole is a long hole structure, and the length of the motor foot hole extends along the direction perpendicular to the back plate 11, so that the motor foot hole can be suitable for installation of motors with different lengths.

Wherein, the connecting piece 13 includes the first connecting plate 131 with backplate 11 fixed connection and keeps away from the perpendicular second connecting plate 132 of being connected in one side of another connecting piece 13 with first connecting plate 131, the length of first connecting plate 131 and second connecting plate 132 all extends along vertical direction, second connecting plate 132 is provided with a plurality of first connecting holes along vertical direction interval, curb plate 22 is provided with a plurality of first regulation slot holes 221 with the position one-to-one of first connecting hole along vertical direction interval, the length of first regulation slot hole 221 extends along vertical direction, fastener 14 includes first adjusting screw and first lock nut, first adjusting screw can pass first connecting hole and first regulation slot hole 221 and lock through first lock nut. After the first adjusting screw penetrates through the first connecting hole and the first adjusting long hole 221, the first adjusting screw can move up and down along the length direction of the first adjusting long hole 221 until the output shaft of the motor installed on the installation panel 21 is right opposite to the through hole 12, and then the first adjusting screw is locked and fixed through the first locking nut.

Furthermore, a plurality of laser-imprinted motor installation height marks are arranged on the connecting piece 13, and the height mark points are the axis positions of the motors, so that the height position of the motor seat frame 2 can be conveniently adjusted.

The centrifugal fan mounting bracket that is fit for different motor installations of this embodiment still includes support frame 3, and support frame 3 is including two supporting seats 31 that are located 2 both sides of motor seat frame, and supporting seat 31 and curb plate 22 swing joint are fixed through mounting 32, and supporting seat 31 curb plate 22 relatively reciprocates to the lower terminal surface of supporting seat 31 and the lower terminal surface of wind wheel seat frame 1 and is in same horizontal plane to can improve the stability of installing the motor on mounting panel 21.

The supporting seat 31 is provided with a second adjusting long hole 33, the position of the side plate 22 corresponding to the second adjusting long hole 33 is provided with a plurality of second connecting holes at intervals along the vertical direction, the fixing member 32 comprises a second adjusting screw and a second locking nut, and the second adjusting screw can pass through the second connecting holes and the second adjusting long hole 33 and is locked through the second locking nut. After passing through the second connecting hole and the second adjusting long hole 33, the second adjusting screw can move up and down along the length direction of the second adjusting long hole 33 until the lower end face of the supporting seat 31 and the lower end face of the wind wheel seat frame 1 are in the same horizontal plane, and then is locked by the fixing piece 32. Each of the second adjustment long holes 33 corresponds to a plurality of second connection holes, so that the mounting stability of the motor mount 2 can be further improved.

In a specific embodiment of the present invention, the number of the second adjusting long holes 33 is two, two second adjusting long holes 33 are distributed at intervals along the vertical direction, and a plurality of second connecting holes are provided on the side plate 22 corresponding to each second adjusting long hole 33. Of course, the two second adjustment long holes 33 in the present embodiment are not limited to be spaced apart along the vertical line of defense, but may also be spaced apart along the horizontal direction, and the motor mount 2 may also be fixed.

In another specific embodiment of the present invention, as shown in fig. 1, the number of the second adjusting long holes 33 is four, every two second adjusting long holes 33 distributed at intervals along the vertical direction are in one group, two groups of the second adjusting long holes 33 are respectively disposed adjacent to two sides of the supporting seat 31, and a plurality of second connecting holes are disposed on the side plate 22 corresponding to each second adjusting long hole 33. The use of two sets of four second adjustment long holes 33 can further improve the mounting stability of the motor mount 2.

In this embodiment, motor cabinet frame 2 still includes the fixed plate 24 of being connected with curb plate 22 and installation panel 21 are perpendicular respectively, can improve motor cabinet frame 2's structural stability, is equipped with fretwork hole 241 on the fixed plate 24, and the periphery of the neighbouring fixed plate 24 of pore wall in fretwork hole 241 is convenient for install fastener 14 and mounting 32, improves motor installation effectiveness.

The back plate 11 comprises a back plate main body 111 provided with a mounting hole and a mounting plate 112 detachably mounted in the mounting hole, the mounting plate 112 is fixedly connected with the connecting piece 13, and the through hole 12 is positioned on the mounting plate 112 so as to facilitate the mounting of the motor and the wind wheel.

The backplate main part 111 is provided with the installation step of establishing towards the one side of keeping away from motor seat frame 2 recess, and the hole of installation step forms through-hole 12, and mounting panel 112 passes through the screw and can dismantle with the installation step and be connected, and when mounting panel 112 was installed on the installation step, mounting panel 112 and backplate main part 111's surface parallel and level. After the motor is mounted on the motor mount 2 and the motor mount 2 is connected to the connecting member 13, the mounting plate 112 connected to the connecting member 13 is fixed to the mounting step by screws.

Of course, in other embodiments, the connector 13 is not fixedly connected to the mounting plate 112. Specifically, the mounting plate 112 is provided with a limiting structure matched with the size of the first connecting plate 131 of the connecting element 13, the limiting structure may be a limiting groove or a limiting hole, the motor is mounted on the motor seat frame 2, and after the motor seat frame 2 is connected with the connecting element 13, the connecting element 13 is placed in the limiting structure, and then the bottom of the support seat 31 is fixed at the position where the centrifugal fan is to be mounted.

The utility model discloses still provide the embodiment that relates to centrifugal fan, centrifugal fan in this embodiment includes the centrifugal fan mounting bracket that is fit for different motor installations of any above-mentioned embodiment. When the motor of different specifications is changed to this centrifugal fan, the dismouting is very convenient.

As shown in fig. 3 and 4, the first motor 200 (model Y132S) is mounted on the centrifugal fan mounting bracket 100, the first motor 200 is detached, and the second motor 300 (model Y112) is replaced by the following steps:

(1) first, the first motor 200 is detached;

(2) the second adjusting screws are loosened, four screws are respectively arranged on the left and the right, only the second adjusting screws need to be loosened, and the second adjusting screws do not need to be completely disassembled, so that the step is to prepare for next step of adjusting the height of the installation panel 21;

(3) loosening the first adjusting screws on the two sides, adjusting the mounting panel 21 to a proper height by two screws on the left and right, and arranging a mark with laser-imprinted height to be adjusted on the connecting piece 13;

(4) after the height is determined, the first adjusting screw is locked, then the second adjusting screw is locked under the condition that the supporting seat 31 is ensured to be tightly attached to the ground, and the supporting seat 31 and the wind wheel seat frame 1 are locked to be on the same plane;

(5) reinstalling the second motor 300 onto the mounting panel 21, selecting the appropriate foot hole location, and then locking the motor foot to complete the replacement (see fig. 5 and 6).

Because proper foot hole positions are reserved on the mounting panel 21, motors of Y112, Y132S and Y132M models (the length of the motor of the Y132M model is greater than that of the motor of the Y132S model) can be matched for use, and bases of the three motors can contain the specifications of the motors suitable for replacement, so that the motors can be directly applied.

It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. The utility model provides a centrifugal fan mounting bracket that is fit for different motor installations, its characterized in that includes wind wheel seat frame and motor seat frame, the wind wheel seat frame is close to be provided with the through-hole that the output shaft of power supply machine passed and two symmetrical positions on the backplate of motor seat frame the connecting piece of through-hole both sides, the length of connecting piece extends along vertical direction, motor seat frame includes installation panel and is located installation panel below and with the both sides board of installation panel's both sides fixed connection, two the curb plate is connected with two the connecting piece one-to-one, the curb plate can be relatively the connecting piece reciprocates and is fixed through the fastener, the interval is provided with a plurality of groups of motor foot punch combination on the installation panel, each group the motor foot punch combination is used for installing the motor of one or more specifications, each group the motor foot punch combination includes four motor foot holes that are the four corners and distribute, the four motor pin holes are symmetrical relative to the axis of the through hole.

2. The centrifugal fan mounting bracket for mounting of different motors according to claim 1, wherein the motor foot hole is a long hole structure, and the length of the motor foot hole extends in a direction perpendicular to the back plate.

3. Centrifugal fan mounting bracket adapted for different motor mounting according to claim 1, the connecting piece comprises a first connecting plate fixedly connected with the back plate and a second connecting plate vertically connected with one side of the first connecting plate far away from the other connecting piece, the lengths of the first connecting plate and the second connecting plate extend along the vertical direction, the second connecting plate is provided with a plurality of first connecting holes at intervals along the vertical direction, the side plate is provided with a plurality of first adjusting long holes which are in one-to-one correspondence with the positions of the first connecting holes at intervals along the vertical direction, the length of the first adjusting long hole extends along the vertical direction, the fastener comprises a first adjusting screw and a first locking nut, the first adjusting screw can pass through the first connecting hole and the first adjusting long hole and is locked by the first locking nut.

4. The centrifugal fan mounting frame suitable for mounting different motors according to claim 1, further comprising a support frame, wherein the support frame comprises two support seats located on two sides of the motor base frame, the support seats are movably connected with the side plates and fixed through fixing pieces, and the support seats can move up and down relative to the side plates until the lower end surfaces of the support seats and the lower end surface of the wind wheel base frame are located on the same horizontal plane.

5. The centrifugal fan mounting frame suitable for mounting of different motors as claimed in claim 4, wherein the supporting base is provided with a second adjusting long hole, the side plate is provided with a plurality of second connecting holes at intervals along a vertical direction at positions corresponding to the second adjusting long hole, the fixing member comprises a second adjusting screw and a second locking nut, and the second adjusting screw can pass through the second connecting hole and the second adjusting long hole and is locked by the second locking nut.

6. The centrifugal fan mounting frame suitable for mounting of different motors as claimed in claim 5, wherein the number of the second adjusting long holes is four, every two second adjusting long holes distributed at intervals in the vertical direction are in one group, two groups of the second adjusting long holes are respectively arranged adjacent to two sides of the supporting seat, and a plurality of the second connecting holes are arranged on the side plate corresponding to each second adjusting long hole.

7. The centrifugal fan mounting bracket for mounting different motors as claimed in claim 1, wherein the motor bracket further comprises a fixing plate vertically connected to the side plate and the mounting panel, respectively, and a hollow hole is formed in the fixing plate, and a hole wall of the hollow hole is adjacent to an outer periphery of the fixing plate.

8. The centrifugal fan mounting bracket suitable for mounting of different motors as claimed in claim 1, wherein the back plate comprises a back plate main body provided with mounting holes and a mounting plate detachably mounted in the mounting holes, the mounting plate is fixedly connected with the connecting pieces, and the through holes are located on the mounting plate.

9. The centrifugal fan mounting bracket suitable for mounting different motors as claimed in claim 8, wherein the back plate main body is provided with a mounting step recessed towards a side away from the motor seat frame, the inner hole of the mounting step forms the through hole, the mounting plate is detachably connected with the mounting step through a screw, and when the mounting plate is mounted on the mounting step, the mounting plate is flush with the outer surface of the back plate main body.

10. A centrifugal fan comprising a centrifugal fan mounting bracket according to any one of claims 1 to 9 adapted for mounting different electrical machines.