CN218151663U

CN218151663U - Centrifugal fan easy to assemble

Info

Publication number: CN218151663U
Application number: CN202222383211.0U
Authority: CN
Inventors: 俎会星; 苏海涛; 张联营
Original assignee: Shandong Gangqiang Environmental Protection Machinery Co ltd
Current assignee: Shandong Gangqiang Environmental Protection Machinery Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2022-12-27
Anticipated expiration: 2032-09-08

Abstract

The utility model belongs to the technical field of the centrifugal fan technique and specifically relates to a centrifugal fan easy to assemble, including fan casing, fan driving motor and fan mount pad, connect on the terminal surface of fan mount pad through scissors formula adjusting part on the motor support post, wherein fixedly connected with fan driving motor on the terminal surface of motor support post, the utility model discloses a design a centrifugal fan easy to assemble, utilize the height adjusting lever subassembly and the mutual cooperation of scissors formula adjusting part among the device, realized the altitude mixture control from the fan, satisfied different work demands, effectual solved because the height of centrifugal fan mount pad is fixed unadjustable, when too high from the fan mounted position, need seek the supporting seat in addition, place between mounted position and centrifugal fan mount pad, come to adjust from the whole height of fan, when crossing low from the fan mounted position, can't realize the problem of installation to reach easy to assemble's effect.

Description

Centrifugal fan easy to assemble

Technical Field

The utility model relates to a centrifugal fan technical field specifically is a centrifugal fan easy to assemble.

Background

At present centrifugal fan includes centrifugal fan shell, centrifugal fan impeller, centrifugal fan driving motor and centrifugal fan mount pad, because the height of centrifugal fan mount pad is fixed unadjustable, when being too high from the fan mounted position, needs seek the supporting seat in addition, places between mounted position and centrifugal fan mount pad, adjusts the whole height from the fan, when being low excessively from the fan mounted position, can't realize the installation to reach inconvenient installation problem.

To sum up, the utility model discloses a design an easy to assemble's centrifugal fan solves the problem that exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifugal fan easy to assemble to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a centrifugal fan convenient to mount comprises a fan shell, a fan driving motor and a fan mounting seat, wherein the end face of the fan mounting seat is connected to a motor supporting column through a scissor type adjusting assembly, the fan driving motor is fixedly connected to the end face of the motor supporting column, two groups of height adjusting rod assemblies are symmetrically arranged on one side of the scissor type adjusting assembly and positioned on the end face of the fan mounting seat, and the end parts of the two groups of height adjusting rod assemblies are fixedly connected to the bottom of the fan shell;

the scissors type adjusting assembly comprises an upper rectangular frame, a lower rectangular frame and two groups of scissors type supports, wherein the upper rectangular frame and the lower rectangular frame are identical in structure, sliding grooves are formed in opposite side walls inside the upper rectangular frame and the lower rectangular frame, an adjusting screw rod is arranged in the center of one side wall of the lower rectangular frame and is parallel to the sliding grooves, one end of the adjusting screw rod sequentially penetrates through the lower rectangular frame and the transmission rod, the other end of the adjusting screw rod extends to the other side of the transmission rod and is connected to the side wall inside the lower rectangular frame through a bearing sleeve, two ends of the transmission rod are respectively connected to the inside of the sliding grooves formed in the side wall of the lower rectangular frame in a sliding mode through lower sliding blocks, the outer wall of the transmission rod and the connecting position of the transmission rod and the lower sliding blocks are rotatably connected to the bottom of one supporting rod in the scissors type supports, the top of the other supporting rod in the scissors type supports is rotatably connected to the upper sliding blocks through rotating shafts, the supporting rods in the scissors type supports are slidably connected to the insides of the U type supports through the corresponding to the upper rectangular frame and the upper supporting rods, and the supporting plates are fixedly connected to the side walls of the upper rectangular frame through rotating shafts;

the height adjusting rod assembly comprises a supporting sleeve fixedly connected to the end face of the fan mounting seat, wherein a supporting rod is connected to the inside of the supporting sleeve in a vertical sliding mode, adjusting grooves are symmetrically formed in the side wall, opposite to the supporting sleeve, of the supporting sleeve, the supporting rod is connected to the inside of the adjusting grooves through positioning screws, and nuts are fixedly connected to the two ends of the supporting rod and extend to the outside of the supporting rod through the adjusting grooves respectively.

As the utility model discloses preferred scheme, the inside of fan casing is provided with the centrifugal fan impeller, and wherein fan driving motor's drive shaft runs through to the inside fixed connection of fan casing on the centrifugal fan impeller to fan driving motor's drive shaft is connected for rotating with the shell connected mode of fan casing, and fan driving motor's shell fixed connection is on fan driving motor's shell.

As the utility model discloses preferred scheme, fixedly connected with aircraft bonnet on the outside of scissors formula adjusting part and the terminal surface that is located fan casing, wherein the terminal surface that runs through the aircraft bonnet is run through to the one end of motor support column to the outside fixed connection that extends to the aircraft bonnet is in fan driving motor's bottom.

As the utility model discloses preferred scheme, positioning screw sliding connection is in the inside of adjustment tank, positioning screw fixed connection is on the bracing piece.

As the utility model discloses preferred scheme, adjusting screw's one end runs through to the outside of aircraft bonnet, and wherein adjusting screw is located the outside one end process of aircraft bonnet and is hexagonal prism structure.

As the utility model discloses preferred scheme, adjusting screw is connected for rotating with the connected mode of aircraft bonnet, lower rectangular frame, bearing housing respectively, adjusting screw is threaded connection with the connected mode of drive rod.

As the utility model discloses preferred scheme, scissors formula support comprises two the same connecting rods, and wherein two the same connecting rods rotate through the pivot to be connected, and are two sets of scissors formula support's center department rotates through the support column to be connected.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through designing a centrifugal fan easy to assemble, utilize altitude mixture control pole subassembly and scissors formula adjusting part in the device in coordination each other, realized the altitude mixture control from the fan, satisfy different work demands, effectual solved because the height of centrifugal fan mount pad is fixed unadjustable, when being too high from the fan mounted position, need seek the supporting seat in addition, place between mounted position and centrifugal fan mount pad, adjust the whole height from the fan, when crossing lowly from the fan mounted position, can't realize the problem of installation, thereby reach easy to assemble's effect.

Drawings

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

FIG. 2 is a schematic view of a portion of the structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the scissor-type adjustment assembly of the present invention;

fig. 4 is a schematic view of a part of the structure of fig. 3 according to the present invention.

In the figure: 1. a fan housing; 2. a fan driving motor; 3. a fan mounting seat; 4. a scissor-type adjustment assembly; 5. a motor support column; 6. a height adjustment lever assembly; 7. a hood; 401. an upper rectangular frame; 402. a lower rectangular frame; 403. a scissor-type support; 404. a chute; 405. adjusting the screw rod; 406. a transmission rod; 407. a bearing housing; 408. a lower slider; 409. an upper slide block; 410. a U-shaped frame; 411. a support plate; 601. a support sleeve; 602. a support bar; 603. an adjustment groove; 604. positioning a screw rod; 605. and a nut.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the scope of protection of the present invention.

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of making the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In an embodiment, please refer to fig. 1-4, the present invention provides a technical solution:

a centrifugal fan convenient to install comprises a fan casing 1, a fan driving motor 2 and a fan mounting seat 3, wherein the end face of the fan mounting seat 3 is connected to a motor supporting column 5 through a scissor type adjusting assembly 4, the fan driving motor 2 is fixedly connected to the end face of the motor supporting column 5, two groups of height adjusting rod assemblies 6 are symmetrically arranged on one side of the scissor type adjusting assembly 4 and on the end face of the fan mounting seat 3, and the end parts of the two groups of height adjusting rod assemblies 6 are fixedly connected to the bottom of the fan casing 1;

the scissor type adjusting assembly 4 comprises an upper rectangular frame 401, a lower rectangular frame 402 and two sets of scissor type supports 403, wherein the upper rectangular frame 401 and the lower rectangular frame 402 have the same structure, the opposite side walls inside the upper rectangular frame 401 and the lower rectangular frame 402 are both provided with sliding grooves 404, an adjusting screw 405 is arranged at the center of one side wall of the lower rectangular frame 402 and in parallel with the sliding grooves 404, one end of the adjusting screw 405 sequentially penetrates through the lower rectangular frame 402 and a transmission rod 406, and extends to the other side of the transmission rod 406 and is connected to the side wall inside the lower rectangular frame 402 through a bearing sleeve 407, two ends of the transmission rod 406 are respectively connected inside the sliding grooves 404 formed in the side wall of the lower rectangular frame 402 through a lower slider 408 in a sliding manner, wherein the outer wall of the transmission rod 406 and the connection position of the transmission rod 406 and the lower slider 408 are rotatably connected to the bottom of one of the supporting rod in the scissor type supports 403, the lower slider 408 is positioned right above and is rotatably connected to the top of the other supporting rod in the upper slider 409, wherein the upper rectangular frame 409 is slidably connected to the inside the sliding grooves 404 formed in the side wall of the upper rectangular frame 401, the lower slider 408 is connected to the corresponding U supporting plate 401 through a rotating manner, and the supporting plate 410, and the upper rectangular frame 410 is connected to the upper rectangular frame 401 through a corresponding supporting plate 410;

specifically, referring to fig. 1, 3 and 4, one end of an adjusting screw 405 penetrates through the exterior of the hood 7, wherein the end of the adjusting screw 405 located on the exterior of the hood 7 is of a hexagonal prism structure, and is conveniently acted on the outer wall of the hexagonal prism structure by a wrench, the adjusting screw 405 is rotated, the adjusting screw 405 is rotatably connected with the hood 7, the lower rectangular frame 402 and the bearing housing 407 respectively, the adjusting screw 405 is connected with the transmission rod 406 by a screw thread, the scissor-type bracket 403 is composed of two identical connecting rods, wherein the two identical connecting rods are rotatably connected by a rotating shaft, the centers of the two sets of scissor-type brackets 403 are rotatably connected by a supporting column, act on the outer wall of hexagonal prism structure with the spanner, rotatory adjusting screw 405, it is rotatory to drive adjusting screw 405, thereby drive transfer line 406 and remove, the transfer line 4 removes, the slider that drives two sets of scissors formula support 403 both ends and connect slides inside the spout 404 that the inside lateral wall of last rectangular frame 401 and lower rectangular frame 402 was seted up, and rotate at the inside correspondence of U type frame 410, thereby realized the jacking or the decline of last rectangular frame 401, drive motor support post 5 of connecting on the backup pad 411 promptly and reciprocate, thereby realized fan casing 1 and fan driving motor 2's altitude mixture control, altitude mixture control accomplishes the back.

Specifically, referring to fig. 1 and fig. 2, the height adjustment rod assembly 6 includes a support sleeve 601 fixedly connected to the end surface of the fan mounting base 3, wherein a support rod 602 is vertically slidably connected to the inside of the support sleeve 601, adjustment grooves 603 are symmetrically formed on opposite side walls of the support sleeve 601, the support rod 602 is connected to the inside of the adjustment groove 603 through a positioning screw 604, two ends of the support rod 602 respectively extend to a nut 605 fixedly connected to the outside of the support rod 602 through the adjustment grooves 603, the positioning screw 604 is slidably connected to the inside of the adjustment grooves 603, the positioning screw 604 is fixedly connected to the support rod 602, a wrench is loose, and the nut 605 on the positioning screw 604 is used for keeping the support rod 602 to be freely movable inside the support sleeve 601.

As the utility model discloses further preferred scheme, fan casing 1's inside is provided with the centrifugal fan impeller, and wherein fan driving motor 2's drive shaft runs through to fan casing 1's inside fixed connection on the centrifugal fan impeller to fan driving motor 2's drive shaft is connected for rotating with fan casing 1's shell connected mode, and fan driving motor 2's shell fixed connection is on fan driving motor 2's shell.

As a further preferred aspect of the present invention, the scissors type adjusting assembly 4 is externally and fixedly connected to the hood 7 on the end surface of the fan housing 1, wherein the one end of the motor support column 5 runs through the end surface of the hood 7, and the external fixed connection extending to the hood 7 is at the bottom of the fan driving motor 2.

The utility model discloses work flow: when the centrifugal fan which is designed by the scheme and is convenient to install is installed, according to the working requirement, firstly, a wrench is used for loosening, the nut 605 on the screw rod 604 is positioned, so that the support rod 602 can be kept to move freely in the support sleeve 601, at the moment, the connection modes of the adjusting screw rod 405 and the hood 7, the lower rectangular frame 402 and the bearing sleeve 407 are in rotating connection in sequence, the connection mode of the adjusting screw rod 405 and the transmission rod 406 is in threaded connection, the scissor type support 403 is composed of two same connecting rods, wherein the two same connecting rods are in rotating connection through a rotating shaft, under the condition that the centers of the two sets of scissor type supports 403 are in rotating connection through support columns, the wrench is used for acting on the outer wall of the hexagonal prism structure, the adjusting screw rod 405 is rotated to drive the adjusting screw rod 405 to rotate, so that the transmission rod 406 is driven to move leftwards and rightwards, the transmission rod 4 moves leftwards, the sliding blocks connected with the two ends of the two groups of scissor type supports 403 are driven to slide in sliding grooves 404 formed in the side walls of the upper rectangular frame 401 and the lower rectangular frame 402 and correspondingly rotate in the U-shaped frame 410, so that the upper rectangular frame 401 is lifted or lowered, namely, a motor supporting column 5 connected with a supporting plate 411 is driven to move up and down, so that the height adjustment of the fan shell 1 and the fan driving motor 2 is realized, after the height adjustment is finished, a nut 605 is screwed down, so that the supporting rod 602 is fixed on the supporting sleeve 601, in the process, the height adjustment from the fan is realized by utilizing the mutual cooperation of the height adjusting rod assembly 6 and the scissor type adjusting assembly 4, different working requirements are met, the problem that the height of the centrifugal fan mounting seat is fixed and can not be adjusted is effectively solved, when the centrifugal fan mounting seat is too high, a supporting seat needs to be additionally found and is placed between the mounting position and the centrifugal fan mounting seat, adjust the whole height from the fan, when crossing lowly from fan mounted position, the problem of unable realization installation to reach easy to assemble's effect.

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 a centrifugal fan easy to assemble, includes fan casing (1), fan driving motor (2) and fan mount pad (3), its characterized in that: the fan installation seat is characterized in that the end face of the fan installation seat (3) is connected to a motor support column (5) through a scissor type adjusting assembly (4), a fan driving motor (2) is fixedly connected to the end face of the motor support column (5), two groups of height adjusting rod assemblies (6) are symmetrically arranged on one side of the scissor type adjusting assembly (4) and located on the end face of the fan installation seat (3), and the end portions of the two groups of height adjusting rod assemblies (6) are fixedly connected to the bottom of the fan shell (1);

the scissors type adjusting assembly (4) comprises an upper rectangular frame (401), a lower rectangular frame (402) and two groups of scissors type supports (403), wherein the upper rectangular frame (401) and the lower rectangular frame (402) have the same structure, the opposite side walls inside the upper rectangular frame (401) and the lower rectangular frame (402) are respectively provided with a sliding groove (404), an adjusting screw rod (405) is arranged at the center of one side wall of the lower rectangular frame (402) and in parallel with the sliding groove (404), one end of the adjusting screw rod (405) sequentially penetrates through the lower rectangular frame (402) and a transmission rod (406) and extends to the other side of the transmission rod (406) to be connected onto the side wall inside the lower rectangular frame (402) through a bearing sleeve (407), the two ends of the transmission rod (406) are respectively connected inside the sliding groove (404) formed in the side wall of the lower rectangular frame (402) in a sliding manner through a lower sliding block (408), the outer wall of the transmission rod (406) is positioned at the connecting position of the transmission rod (406) and the lower sliding block (408) and is rotatably connected to the bottom of one of the scissors type supports (403) in the upper rectangular frame (408), and the other groups of the sliding grooves (409) are connected to the sliding grooves (409) at the top of the upper rectangular frame (408) through a rotating shaft (409), the end parts of the middle supporting rod of the scissor type support (403), which are opposite to the lower sliding block (408) and the upper sliding block (409) respectively, are rotatably connected inside a U-shaped frame (410) through rotating shafts, wherein the U-shaped frame (410) is correspondingly and fixedly connected to the side walls inside the upper rectangular frame (401) and the lower rectangular frame (402), and the upper rectangular frame (401) is connected to the bottom of the motor supporting column (5) through a supporting plate (411);

height adjusting rod subassembly (6) include supporting sleeve (601) of fixed connection on fan mount pad (3) terminal surface, wherein sliding connection has bracing piece (602) from top to bottom in the inside of supporting sleeve (601), it is provided with adjustment tank (603) to prop on the relative lateral wall of sleeve (601) symmetry, bracing piece (602) are connected in the inside of adjustment tank (603) through set screw (604), and wherein the outside fixedly connected with nut (605) that extends to bracing piece (602) through adjustment tank (603) respectively in the both ends of bracing piece (602).

2. The centrifugal fan convenient to install according to claim 1, wherein: the fan is characterized in that a centrifugal fan impeller is arranged inside the fan casing (1), a driving shaft of the fan driving motor (2) penetrates through the fan casing (1) and is fixedly connected to the centrifugal fan impeller, the driving shaft of the fan driving motor (2) is connected with a shell of the fan casing (1) in a rotating mode, and the shell of the fan driving motor (2) is fixedly connected to the shell of the fan driving motor (2).

3. The centrifugal fan convenient to install according to claim 2, wherein: the outside of scissors formula adjusting part (4) is and be located fixedly connected with aircraft bonnet (7) on the terminal surface of fan casing (1), and wherein the terminal surface that runs through aircraft bonnet (7) is run through to the one end of motor support column (5) to outside fixed connection that extends to aircraft bonnet (7) is in the bottom of fan driving motor (2).

4. The centrifugal fan convenient to install according to claim 1, wherein: the positioning screw rod (604) is connected inside the adjusting groove (603) in a sliding mode, and the positioning screw rod (604) is fixedly connected to the supporting rod (602).

5. The centrifugal fan of claim 4, wherein: one end of the adjusting screw rod (405) penetrates through the outer part of the hood (7), wherein one end, located on the outer part of the hood (7), of the adjusting screw rod (405) is in a hexagonal prism structure.

6. The centrifugal fan of claim 5, wherein: the adjusting screw (405) is in rotary connection with the hood (7), the lower rectangular frame (402) and the bearing sleeve (407) respectively, and the adjusting screw (405) is in threaded connection with the transmission rod (406).

7. The centrifugal fan convenient to install according to claim 1, wherein: scissors formula support (403) are two same connecting rods and constitute, and wherein two same connecting rods rotate through the pivot and connect, two sets of scissors formula support (403)'s center department rotates through the support column and connects.