CN215980122U - Volute fan impeller fixing structure - Google Patents

Abstract

The utility model provides a spiral case fan impeller fixed knot constructs belongs to the terminal product technical field of central air conditioning, and the spiral case sets up in spiral case inner wall's impeller and transmission shaft, and the impeller passes through the bearing and rotates and inlay the inner wall center department of locating the spiral case, and the outer wall both sides of spiral case are all seted up porosely, and the transmission shaft is in the center department of impeller, and fixed subassembly includes fastening knob, rubber pad, fixed axle sleeve and fastening bolt. Fastening or not hard up transmission shaft and impeller, only need to rotate the fastening knob on the impeller, drive fastening bolt and joint gear through fastening knob gear, make the bolt rotate, in order to reach the effect of fastening or not hard up impeller and transmission shaft, need not with the help of other instruments, easy to assemble and easy operation, through the rubber pad, fixed axle sleeve, the joint groove, fixed slot and restriction groove, can realize the stable fixed to the impeller, avoid at the moving in-process, because the unstable fixed vibration of transmission shaft that produces, lead to producing great noise in subsequent use, the silence of use has been improved.

Description

Volute fan impeller fixing structure

Technical Field

The utility model belongs to the technical field of the terminal product of central air conditioning, concretely relates to spiral case fan impeller fixed knot constructs.

Background

Air conditioner and air conditioner (room air conditioner), the air conditioner of temperature, humidity, hanging type is a kind of unit used for providing the air temperature change of processing for the space area (generally for being airtight), its function is to regulate the air temperature, humidity, cleanliness factor and air velocity, etc. parameter in the room (or enclosed space, area) to meet the requirement of human comfort or technological process.

The fan volute of the existing fan coil unit needs to be fastened or loosened by a screwdriver or other tools when being produced, installed or maintained and replaced, and the fan coil unit is small in space, limited in operation space and inconvenient to install.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spiral case fan wheel fixed knot constructs aims at solving and piles up the tray and dismantle unchangeable and the great problem of noise owing to the installation.

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

a volute blower impeller securement structure, comprising:

a spiral case is arranged on the top of the shell,

the impeller and the transmission shaft are arranged on the inner wall of the volute, the impeller is rotatably embedded in the center of the inner wall of the volute through a bearing, holes are formed in two sides of the outer wall of the volute, and the transmission shaft is located in the center of the impeller;

the fixing assembly comprises a fastening knob, a rubber pad, a fixing shaft sleeve and a fastening bolt, and is fixedly arranged at the center of the inner wall of the impeller through the bolt;

the outer wall of one end of the transmission shaft is sleeved on the inner wall of the fixed shaft sleeve through a clamping groove, the fixed shaft sleeve is sleeved on the center of the inner wall of the rubber pad through a limiting groove, the outer side of the rubber pad is sleeved on the center of the inner wall of the fastening knob through the fixed groove, the fastening bolt is connected to the outer wall of the fixed shaft sleeve through a mounting hole in a threaded mode, and the clamping gear is meshed with the fastening knob;

as an optimized scheme of the utility model, the impeller comprises a plurality of blades and mount tubbiness, the fixed top department that sets up in fastening bolt of outer wall bottom center department of joint gear.

As an optimized scheme of the present invention, the bottom end of the fastening bolt is provided with an external thread.

As the preferred scheme of this utility model, the joint groove is seted up in the one end outer wall department of transmission shaft.

As an optimized scheme of the present invention, the fixing groove is opened at the center of one side of the outer wall of the fastening knob, and the cross section of the fixing groove is circular.

As the preferred scheme of this utility model, tooth's socket has been seted up along the circumferential surface in outer wall one side edge of fastening knob, the fastening knob passes through tooth's socket and joint gear intermeshing.

As a preferred scheme of the present invention, the output port is provided on one side of the outer wall of the spiral case, the mounting surface is provided on both sides of the outer wall of the spiral case, and the mounting surface is located on both sides of the output port.

Compared with the prior art, this practical beneficial effect is:

1. in this scheme, through transmission shaft, fastening knob, rubber pad, fixed axle sleeve and fastening bolt, fastening or not hard up transmission shaft and impeller, only need rotate the fastening knob on the impeller, drive fastening bolt and joint gear through fastening knob gear, make the bolt rotate to reach the effect of fastening or not hard up impeller and transmission shaft, need not with the help of other instruments, easy to assemble and easy operation.

2. In this scheme, through rubber pad, fixed axle sleeve, joint groove, fixed slot and restriction groove, can realize the stable fixed to the impeller, avoid at the moving in-process, because the unstable fixed vibration of transmission shaft that produces leads to producing great noise in subsequent use, improved the silence nature of using.

Drawings

The accompanying drawings 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 limiting the invention. In the drawings:

FIG. 1 is a front perspective view of the present invention;

FIG. 2 is an isometric view of the present invention;

FIG. 3 is a side cross-sectional view of the present invention;

fig. 4 is an enlarged schematic view of a of the present application;

FIG. 5 is a rear view of the present application;

FIG. 6 is a side view of the present invention;

fig. 7 is a perspective view of a transmission shaft of the present invention;

FIG. 8 is a perspective view of the fixing assembly of the present invention;

figure 9 is an isometric view of a mounting assembly of the present invention;

FIG. 10 is a side view of a mounting assembly of the present invention;

FIG. 11 is a top view of the securing assembly of the present invention;

FIG. 12 is a right side view of the fixing assembly of the present invention;

FIG. 13 is a perspective view of a fastening bolt of the present invention;

FIG. 14 is a perspective view of the fastening knob of the present invention;

fig. 15 is a perspective view of the rubber pad of the present invention;

fig. 16 is a perspective view of the fixing boss of the present invention.

In the figure: 1. a volute; 2. an impeller; 3. a drive shaft; 4. fastening a knob; 5. a rubber pad; 6. fixing the shaft sleeve; 7. fastening a bolt; 101. a mounting surface; 301. a clamping groove; 401. fixing grooves; 701. clamping a gear; 601. a limiting groove; 602. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by persons skilled in the art based on the embodiments in the present application without any creative work belong to the protection scope of the present application.

In the description of the present application, it is to be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; 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 application can be understood in a specific case by those skilled in the art.

Example 1

Referring to fig. 1 to 16, the technical solution provided in this embodiment is as follows:

a volute blower impeller securement structure, comprising:

a volute 1;

the impeller 2 and the transmission shaft 3 are arranged on the inner wall of the volute 1, the impeller 2 is rotatably embedded in the center of the inner wall of the volute 1 through a bearing, holes are formed in two sides of the outer wall of the volute 1, and the transmission shaft 3 is located in the center of the impeller 2;

the fixing assembly comprises a fastening knob 4, a rubber pad 5, a fixing shaft sleeve 6 and a fastening bolt 7, and is fixedly arranged at the center of the inner wall of the impeller 2 through the bolt;

the inner wall department of fixed axle sleeve 6 is located through joint groove 301 cover to the one end outer wall of transmission shaft 3, and the inner wall center department of rubber pad 5 is located through restriction groove 601 cover to fixed axle sleeve 6, and the inner wall center department of fastening knob 4 is located through fixed slot 401 cover to the outside of rubber pad 5, and fastening bolt 7 passes through mounting hole 602 threaded connection in the outer wall department of fixed axle sleeve 6, joint gear 701 is connected with fastening knob 4 meshing.

In the embodiment of the utility model, through spiral case 1, can realize carrying out the function of stable support and concentrated air current to impeller 2, through impeller 2, can realize the pressure boost to the air current, through transmission shaft 3, can maximum assurance moment, guarantee impeller 2's rotation rate, through fastening knob 4, rubber pad 5, fixed axle sleeve 6 and fastening bolt 7, can realize carrying out the efficient installation fixedly to impeller 2, avoid adopting the frock just can dismantle and install.

Specifically, the impeller 2 is formed into a barrel shape by a plurality of blades and a fixing frame, and the center of the bottom of the outer wall of the clamping gear 701 is fixedly arranged at the top end of the fastening bolt 7.

In the embodiment of the present invention, the engagement of the fastening knob 4 can be realized by the snap-in gear 701.

Specifically, the bottom end of the fastening bolt 7 is provided with an external thread.

In the embodiment of the present application, the installation can be performed quickly through the external thread.

Specifically, the clamping groove 301 is opened at the outer wall of one end of the transmission shaft 3.

In the embodiment of the present invention, the stable connection between the transmission shaft 3 and the fixing shaft sleeve 6 can be ensured by the engaging groove 301.

Specifically, the fixing groove 401 is opened at the center of one side of the outer wall of the fastening knob 4, and the cross section of the fixing groove 401 is circular.

In the embodiment of the present invention, the rubber pad 5 can be stably mounted and restricted by the fixing groove 401.

Specifically, tooth grooves are formed in the edge of one side of the outer wall of the fastening knob 4 along the circumferential surface, and the fastening knob 4 is meshed with the clamping gear 701 through the tooth grooves.

In the embodiment of the utility model, the tooth's socket has been seted up along the circumferential surface in the edge of outer wall one side through fastening knob 4, can realize the stable meshing transmission to joint gear 701.

Specifically, an output port is formed in one side of the outer wall of the volute 1, mounting surfaces 101 are formed in two sides of the outer wall of the volute 1, and the mounting surfaces 101 are located on two sides of the output port.

In the embodiment of the present invention, stable mounting and dismounting of the scroll casing 1 can be achieved by the mounting surface 101.

The utility model provides a pair of spiral case fan impeller fixed knot constructs's working process does:

when the volute casing 1 is installed or replaced on a unit, if the transmission shaft 3 and the impeller 2 need to be fastened or loosened, only the fastening knob 4 on the impeller 2 needs to be rotated, the fastening knob 4 drives the clamping gear 701 of the fastening bolt 7 through the gear of the fastening knob 4, so that the bolt is rotated, the effect of fastening or loosening the impeller 2 and the transmission shaft 3 is achieved, other tools are not needed, the installation is convenient, the operation is easy, the fastening knob 4 is fastened, the inner side of the fastening knob 4 is provided with the gear, the lining is the rubber pad 5, the noise generated in the operation process is reduced, the sliding phenomenon of the fastening knob 4 caused by gaps is avoided, when the impeller 2 and the transmission shaft 3 are supported, the fastening knob 4 is rotated, the gear is arranged on the inner side of the fastening knob 4 and is matched with the fastening bolt 7, the fastening bolt 7 is fastened, the fastening knob 4 is rotated, the gear on the inner side of the fastening knob 4 drives the fastening bolt 7 and the clamping gear 701 to drive the fastening bolt 7 to rotate, then the purpose of fastening or loosening the bolt is achieved, and the function of fastening or loosening the impeller 2 and the transmission shaft 3 is further achieved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a spiral case fan wheel fixed knot constructs which characterized in that includes:

a volute (1);

the impeller (2) and the transmission shaft (3) are arranged on the inner wall of the volute (1), the impeller (2) is rotatably embedded in the center of the inner wall of the volute (1) through a bearing, holes are formed in two sides of the outer wall of the volute (1), and the transmission shaft (3) is located in the center of the impeller (2);

the fixing assembly comprises a fastening knob (4), a rubber pad (5), a fixing shaft sleeve (6) and a fastening bolt (7), and is fixedly arranged at the center of the inner wall of the impeller (2) through the bolt;

the inner wall department of fixed axle sleeve (6) is located through joint groove (301) cover to the one end outer wall of transmission shaft (3), the inner wall center department of rubber pad (5) is located through restriction groove (601) cover in fixed axle sleeve (6), the inner wall center department of fastening knob (4) is located through fixed slot (401) cover outside rubber pad (5), fastening bolt (7) are located in the outer wall of fixed axle sleeve (6) through mounting hole (602) threaded connection, joint gear (701) are connected with fastening knob (4) meshing.

2. The volute blower impeller fixing structure of claim 1, wherein the impeller (2) is barrel-shaped and comprises a plurality of blades and a fixing frame, and the center of the bottom of the outer wall of the clamping gear (701) is fixedly arranged at the top end of the fastening bolt (7).

3. The volute blower wheel fixing structure as claimed in claim 2, wherein the bottom end of the fastening bolt (7) is externally threaded.

4. The volute blower impeller fixing structure of claim 3, wherein the clamping groove (301) is formed in an outer wall of one end of the transmission shaft (3).

5. The volute blower wheel fixing structure according to claim 4, wherein the fixing groove (401) is formed in the center of one side of the outer wall of the fastening knob (4), and the cross section of the fixing groove (401) is circular.

6. The volute blower impeller fixing structure of claim 5, wherein a tooth groove is formed in one side edge of the outer wall of the fastening knob (4) along the circumferential surface, and the fastening knob (4) is meshed with the clamping gear (701) through the tooth groove.

7. The volute blower impeller fixing structure according to claim 6, wherein an output port is formed in one side of the outer wall of the volute (1), mounting surfaces (101) are formed in two sides of the outer wall of the volute (1), and the mounting surfaces (101) are located at two sides of the output port.

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