CN209943146U - Installation positioning device of shaftless fan for fan coil - Google Patents
Installation positioning device of shaftless fan for fan coil Download PDFInfo
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- CN209943146U CN209943146U CN201822219770.1U CN201822219770U CN209943146U CN 209943146 U CN209943146 U CN 209943146U CN 201822219770 U CN201822219770 U CN 201822219770U CN 209943146 U CN209943146 U CN 209943146U
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Abstract
The utility model provides an installation positioner of shaftless fan for fan coil, including the motor structure that can carry out the counter shaft connection between impeller structure and the spiral case structure. The motor structure comprises a locking structure, a motor main body and a motor shaft capable of being connected with the impeller structure, the motor main body is in driving connection with the motor shaft, and the motor shaft is in counter shaft connection with the impeller structure through the locking structure. A fan coil is with installation positioner of shaftless fan, solved shaftless fan installation, because it does not take the transmission shaft, can't guarantee at the relative position of dispatching from the factory back impeller and spiral case, in needing the installation, the artifical position operation of guaranteeing the impeller that relies on the sensation location, the installation error that leads to shaftless fan can be bigger and bigger, unable complete realization impeller's centering and balanced problem.
Description
Technical Field
The utility model belongs to the technical field of central air conditioning unit equipment, especially, relate to an installation positioner of shaftless fan for fan coil.
Background
In the air treatment equipment of the central air conditioner, the fan coil is used as the terminal air treatment equipment, has the characteristics of compact structure, flexible installation, small size and low noise, and is widely used in places such as hospitals, wards, operation workshops, office buildings, hotels and the like.
The fan coil pipe mainly comprises an air supply assembly, a heat exchange assembly, a drainage assembly and the like, wherein the air supply assembly comprises an air feeder and a driving motor, the air feeder comprises a centrifugal impeller and a volute, the driving motor drives the centrifugal impeller to rotate through a motor shaft, air is forcibly fed into the heat exchange assembly under the action of centrifugal force, and the air is cooled or heated when passing through the surface of the heat exchanger and then is sent out from an air outlet, so that the aim of adjusting the indoor temperature and humidity is fulfilled.
The motor fixing mode of the fan coil is that a motor base is connected with a fan plate of the unit through bolts in a metal plate mode, the fan adopts a shaftless centrifugal fan, namely the fan only comprises an impeller and a volute and does not comprise a transmission shaft, and the fan impeller is directly fixed on a driving shaft of a direct-connection motor through bolts, so that the purpose that the direct-connection motor drives the fan impeller is achieved.
Compared have an axle fan, there is an axle fan when dispatching from the factory fan impeller all through perfect static balance and dynamic balance test, the relative position of drive shaft, impeller, spiral case has been fixed, can guarantee from this that the position of impeller is accurate, because the fan is from taking the transmission shaft, after the unit installation is accomplished, the relative positioning of its impeller can not change, so still can guarantee to install the back and still have better dynamic and static balance precision.
Even if shaftless fan is through the dynamic and static balance test when dispatching from the factory even if the impeller, but because it does not take the transmission shaft, the relative position of impeller and spiral case can't be guaranteed after dispatching from the factory, in the installation that needs, personnel carry out relative positioning control manually or through the mode of assembly line installation frock, it is most all that operating personnel relies on the sensation location to guarantee the position of impeller to the neutralization operation balance, personnel's operation in this process, the installation of anchor clamps, and the continuous operation of production water line all can be adjusted the production to the impeller and is influenced, especially behind the long-time operation of production staff high strength every day, the error that personnel's operation leads to can be bigger and bigger, can't complete realization impeller centering and balance.
Disclosure of Invention
In view of this, the utility model aims at providing an installation positioner of shaftless fan for fan coil has solved shaftless fan installation, because it does not take the transmission shaft, can't guarantee at the relative position of leaving the factory back impeller and spiral case, needs the installation, and the manual work relies on the feeling location to guarantee the position operation of impeller, leads to shaftless fan's installation error can be bigger and bigger, can't complete realization impeller centering and balanced problem.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a mounting and positioning device of a shaftless fan for a fan coil comprises a motor structure which can carry out countershaft connection between an impeller structure and a volute structure;
the motor structure comprises a locking structure, a motor main body and a motor shaft capable of being connected with the impeller structure, the motor main body is in driving connection with the motor shaft, and the motor shaft is in counter shaft connection with the impeller structure through the locking structure.
Further, the impeller structure includes one or more centrifugal impellers, each centrifugal impeller is connected with the motor shaft through the locking structure, the volute structure includes one or more fan volutes, and each centrifugal impeller corresponds to one fan volute.
Further, the impeller structure includes two centrifugal impellers, two the centrifugal impellers symmetry sets up on the motor shaft, each all be equipped with the impeller rim plate on the centrifugal impeller, the motor shaft runs through the impeller rim plate, locking structure pass through the impeller rim plate with the centrifugal impeller rigid coupling, locking structure sets up the impeller rim plate outside.
Furthermore, the locking structure comprises a groove structure arranged on a motor shaft, an impeller shaft sleeve and a locking screw, the impeller shaft sleeve is sleeved on the outer side of the groove structure and fixedly connected with the impeller wheel disc, the locking screw penetrates through one side of the impeller shaft sleeve and then is arranged in the groove structure, and the locking screw is detachably connected with the impeller shaft sleeve.
Further, the locking screw is in threaded connection with the impeller shaft sleeve.
Further, the motor main body is fixedly connected with the fan plate through a driving motor support, and each fan volute is fixedly connected with the fan plate.
Further, the driving motor support is connected with the fan plate through a bolt.
Furthermore, each fan volute is fixedly connected with the fan plate through bolts.
Furthermore, the impeller shaft sleeve is fixedly connected with the impeller wheel disc in an expanding manner.
Compared with the prior art, a fan coil is with installation positioner of shaftless fan have following advantage:
the utility model relates to a shaftless fan mounting and positioning device for a fan coil,
1. the motor is designed in a reasonable height, so that the radial accurate positioning of the centrifugal impeller can be ensured;
2. a groove for fixing the relative position of a centrifugal impeller of the fan and the motor is prefabricated on a motor shaft in advance, and a manufacturer only needs to drive a screw into a hole to realize accurate axial positioning;
3. the production personnel do not need to spend extra time on accurately adjusting the positioning of the impeller, so that the production efficiency is improved;
4. after the unit hoist and mount is accomplished, it is often that it maintains the space and all is narrower, if there is the maintenance or change under the condition of fan motor, the personnel can easily fix a position the impeller after sale, avoided the artifical location condition under unable unit damage or the unbalanced unit noise problem that causes that leads to the accurate location of impeller.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of a split structure of a shaftless fan mounting and positioning device for a fan coil according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a motor shaft in a shaftless fan mounting and positioning device for a fan coil according to an embodiment of the present invention;
fig. 3 is a schematic partial sectional structure view of a shaftless fan mounting and positioning device for a fan coil according to an embodiment of the present invention;
FIG. 4 is a partially enlarged schematic view of FIG. 3;
fig. 5 is a partially enlarged schematic view of fig. 1.
Description of reference numerals:
1-a fan board; 2-driving motor support; 3-centrifugal impeller; 4-motor shaft; 5-a motor body; 6-a fan volute; 7-locking screws; 8-impeller shaft sleeve; 9-impeller wheel disk.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A mounting and positioning device of a shaftless fan for a fan coil is shown in figure 1 and comprises a motor structure which can be used for carrying out axial connection between an impeller structure and a volute structure.
The motor structure includes locking structure, motor main part 5 and can connect impeller structure's motor shaft 4, and motor main part 5 drive connection motor shaft 4, motor shaft 4 through locking structure and impeller structure counter shaft connection.
The structure of the motor shaft 4 is shown in fig. 2, a groove structure is reserved at the shaft end of the motor shaft 4, and the positioning size of a groove structure drill hole is calculated by matching with the centrifugal impeller 3;
the impeller structure comprises one or more centrifugal impellers 3, each centrifugal impeller 3 is connected with the motor shaft 4 through a locking structure, the volute structure comprises one or more fan volutes 6, and each centrifugal impeller 3 corresponds to one fan volute 6.
The impeller structure includes two centrifugal impeller 3, and two centrifugal impeller 3 symmetries set up on motor shaft 4, all are equipped with impeller rim plate 9 on each centrifugal impeller 3, and motor shaft 4 runs through impeller rim plate 9, and locking structure passes through impeller rim plate 9 and centrifugal impeller 3 rigid coupling, and locking structure sets up in the impeller rim plate 9 outside.
The locking structure comprises a groove structure arranged on the motor shaft 4, an impeller shaft sleeve 8 and a locking screw 7, wherein the impeller shaft sleeve 8 is sleeved on the outer side of the groove structure, the impeller shaft sleeve 8 is fixedly connected with an impeller wheel disc 9, the locking screw 7 penetrates through one side of the impeller shaft sleeve 8 and then is arranged in the groove structure, the locking screw 7 is detachably connected with the impeller shaft sleeve 8, and the locking screw 7 is connected with the impeller shaft sleeve 8 through threads.
The matching structure of the motor shaft 4 and the impeller shaft sleeve 8 is shown in fig. 3, and when the impeller shaft sleeve is actually assembled, the set screw 7 is screwed into the shaft sleeve 8 and further screwed into the reserved groove of the motor shaft 4, so that the operation is simple, whether the position is right or not does not need to be judged manually, and errors caused by manual operation are avoided;
the motor main body 5 is fixedly connected with the fan plate 1 through the driving motor support 2, and each fan volute 6 is fixedly connected with the fan plate 1. The driving motor bracket 2 is connected with the fan plate 1 through a bolt. Each fan volute 6 is fixedly connected with the fan plate 1 through bolts, and the impeller shaft sleeve 8 is fixedly connected with the impeller wheel disc 9 in an expanding manner.
The impeller shaft sleeve 8 and the impeller wheel disc 9 are fixedly connected together by adopting the process of stretching and expanding connection of the impeller wheel disc 9, the middle part of the impeller wheel disc 9 stretches a neck-shaped cylinder to come out, and then the neck-shaped cylinder in the middle part of the impeller wheel disc 9 is expanded and connected with the impeller shaft sleeve 8 together.
Working mode of the example
The matching structure of the motor shaft 4 and the impeller shaft sleeve 8 is shown in fig. 3, and when the impeller shaft sleeve is actually assembled, the set screw 7 is screwed into the shaft sleeve 8 and further screwed into the reserved groove of the motor shaft 4, so that the operation is simple, whether the position is right or not does not need to be judged manually, and errors caused by manual operation are avoided;
in the traditional fixing method, due to the structure of the shaft end plane of the motor shaft 4, the matching structure of the motor shaft 4 and the impeller shaft sleeve 8 needs manual axial positioning by experience in the actual assembly process, and operability errors exist.
The technical effect of the technical scheme provided by the embodiment is that the problem that the installation of the fan does not need operators to position by feeling in the installation process of the shaftless fan is solved, and the motor installation positioning structure of the shaftless fan is easy to operate, accurate in positioning, reliable in fault tolerance and high in installation efficiency.
The above description is only a 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 (9)
1. The utility model provides an installation positioner of shaftless fan for fan coil which characterized in that: the device comprises a motor structure which can carry out axial connection between an impeller structure and a volute structure;
the motor structure comprises a locking structure, a motor body (5) and a motor shaft (4) capable of being connected with the impeller structure, the motor body (5) is in driving connection with the motor shaft (4), and the motor shaft (4) is in shaft connection with the impeller structure through the locking structure.
2. The mounting and positioning device for the shaftless fan for the fan coil of claim 1, wherein: the impeller structure comprises one or more centrifugal impellers (3), each centrifugal impeller (3) is connected with the motor shaft (4) through a locking structure, the volute structure comprises one or more fan volutes (6), and each centrifugal impeller (3) corresponds to one fan volute (6).
3. The mounting and positioning device for the shaftless fan for the fan coil of claim 2, wherein: the impeller structure includes two centrifugal impeller (3), two centrifugal impeller (3) symmetry sets up on motor shaft (4), each all be equipped with impeller rim plate (9) on centrifugal impeller (3), motor shaft (4) run through impeller rim plate (9), locking structure pass through impeller rim plate (9) with centrifugal impeller (3) rigid coupling, locking structure sets up the impeller rim plate (9) outside.
4. The mounting and positioning device for the shaftless fan for the fan coil of claim 3, wherein: the locking structure comprises a groove structure arranged on a motor shaft (4), an impeller shaft sleeve (8) and a locking screw (7), the impeller shaft sleeve (8) is sleeved on the outer side of the groove structure, the impeller shaft sleeve (8) is fixedly connected with an impeller wheel disc (9), the locking screw (7) penetrates through one side of the impeller shaft sleeve (8) and then is arranged in the groove structure, and the locking screw (7) is detachably connected with the impeller shaft sleeve (8).
5. The mounting and positioning device for the shaftless fan for the fan coil of claim 4, wherein: the locking screw (7) is in threaded connection with the impeller shaft sleeve (8).
6. The mounting and positioning device for the shaftless fan for the fan coil according to any one of claims 3 to 5, wherein: the motor main body (5) is fixedly connected with the fan plate (1) through the driving motor support (2), and each fan volute (6) is fixedly connected with the fan plate (1).
7. The mounting and positioning device for the shaftless fan for the fan coil of claim 6, wherein: the driving motor support (2) is connected with the fan plate (1) through bolts.
8. The apparatus of claim 7, wherein the positioning means comprises: each fan volute (6) is fixedly connected with the fan plate (1) through bolts.
9. The mounting and positioning device for the shaftless fan for the fan coil according to any one of the claims 4 or 5, wherein: the impeller shaft sleeve (8) is fixedly connected with the impeller wheel disc (9) in an expanding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822219770.1U CN209943146U (en) | 2018-12-27 | 2018-12-27 | Installation positioning device of shaftless fan for fan coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822219770.1U CN209943146U (en) | 2018-12-27 | 2018-12-27 | Installation positioning device of shaftless fan for fan coil |
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| Publication Number | Publication Date |
|---|---|
| CN209943146U true CN209943146U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822219770.1U Active CN209943146U (en) | 2018-12-27 | 2018-12-27 | Installation positioning device of shaftless fan for fan coil |
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| Country | Link |
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| CN (1) | CN209943146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217434A (en) * | 2021-06-10 | 2021-08-06 | 深圳市缚火龙机电实业有限公司 | Explosion-proof fire-fighting fan |
-
2018
- 2018-12-27 CN CN201822219770.1U patent/CN209943146U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217434A (en) * | 2021-06-10 | 2021-08-06 | 深圳市缚火龙机电实业有限公司 | Explosion-proof fire-fighting fan |
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