CN205047527U - Worm frame - Google Patents
Worm frame Download PDFInfo
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- CN205047527U CN205047527U CN201520705626.2U CN201520705626U CN205047527U CN 205047527 U CN205047527 U CN 205047527U CN 201520705626 U CN201520705626 U CN 201520705626U CN 205047527 U CN205047527 U CN 205047527U
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- spiral case
- half shell
- connecting end
- worm frame
- half shells
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Abstract
An object of the utility model is to provide a worm frame, the main problem that the worm frame volume is little that has now of solving. Including the spiral case that is used for the holding impeller, the spiral case is from containing the axial cross section of impeller axis sees, arrives near each point on the spiral case perisporium of spiral case central line the distance of axis, be greater than the spiral case perisporium of both sides on the each point arrive the distance of axis. The utility model discloses a worm frame compares ordinary spiral case and has bigger volume, can improve air supply efficiency.
Description
Technical field
The utility model relates to wind pushing mechanism field, is specifically related to a kind of worm frame.
Background technique
Current spiral case blower fan on the market, as shown in Figure 1, comprises the spiral case 94 and mounting plate 92 that are integrally formed.Spiral case 94 forms wheel rotation space and air-supply passage therein after being connected with mounting plate 92.The periphery wall of spiral case 94 surrounds the periphery of impeller, and periphery wall is basic and sidewall is perpendicular.Its volume of such spiral case is relatively little, and air-supply efficiency is not high enough.This external spiral case 94 does not arrange sealing configuration with the joint of mounting plate 92, and airtight effect is not so good.
Model utility content
In view of this, the utility model provides a kind of spiral case of large volume, to solve the less problem of spiral case volume.
For reaching this object, the utility model by the following technical solutions:
A kind of worm frame, comprise the spiral case for accommodating impeller, described spiral case, from the axial cross section comprising described impeller axis, on the spiral case perisporium of spiral case center line, each point is to the distance of described axis, and on the spiral case perisporium being greater than both sides, each point is to the distance of described axis.
Preferably, in aforesaid worm frame, the axial cross section of described spiral case perisporium is curved, trapezoidal, the arc of trimming or triangle.
Preferably, in aforesaid worm frame, described spiral case comprises the first half shells and the second half shells, described the first half shells comprise the first half shell perisporiums and the first half shell side walls, described the second half shells comprise the second half shell perisporiums and the second half shell side walls, and described the first half shell perisporiums are connected with described the second half shell perisporiums.
Preferably, in aforesaid worm frame, described the first half shell perisporiums and described the second half shell perisporiums bend in the mode rotated around described axis; Described the first half shell perisporiums comprise the fixed end that is connected with the edge part of described the first half shell side walls and the first connecting end away from described the first half shell side walls, and described the second half shell perisporiums comprise the fixed end that is connected with the edge part of described the second half shell side walls and described the second connecting end away from the second half shell side walls; Described first connecting end is connected with the second connecting end.
Preferably, in aforesaid worm frame, described the first half shell perisporiums extend towards the direction away from described axis from described fixed end in radial directions to described first connecting end, described the second half shell perisporiums from described fixed end to described second connecting end in radial directions court extend away from the direction of described axis.
Preferably, in aforesaid worm frame, be provided with the first sealing configuration in the joint of described the first half shells and described the second half shells.
Preferably, in aforesaid worm frame, described first sealing configuration comprises: the convex tendon being arranged on described first connecting end, is arranged on the groove of described second connecting end; Or described first sealing configuration comprises: the groove being arranged on described first connecting end, be arranged on the convex tendon of described second connecting end; When described the first half shells are connected with described the second half shells, described convex tendon embeds in described groove.
Preferably, in aforesaid worm frame, described first sealing configuration comprises the first seal ring, in described the first half shells and the second half shells, one arranges the radial flange extended, another arranges groove, and described flange abuts with described groove and is pressed on by described seal ring in described groove to realize sealing.
Preferably, in aforesaid worm frame, described the first half shells are provided with motor mount inlet, and described the first half shells are provided with at described motor mount inlet place the tubular bearing extended vertically, and described tubular bearing is provided with the second sealing configuration for coordinating with motor.
Preferably, in aforesaid worm frame, described second sealing configuration is be located at the second seal ring on the end of tubular bearing or inwall, and described second seal ring is used for being sealed and matched with the periphery wall of described motor.
The beneficial effects of the utility model are:
1, spiral case has the volume larger than common spiral case, can improve air-supply efficiency.
2, spiral case is manufactured the structure of two and half shells, be convenient to manufacture and install.
3, spiral case joint is provided with sealing configuration, improves the tightness of spiral case, is conducive to improving air-supply efficiency.
Accompanying drawing explanation
By referring to the description of accompanying drawing to the utility model embodiment, above-mentioned and other objects, features and advantages of the present utility model will be more clear, in the accompanying drawings:
Fig. 1 is the decomposing schematic representation of the spiral case of prior art.
Fig. 2 is the decomposing schematic representation of worm frame of the present utility model.
Fig. 3 is the External view of worm frame of the present utility model.
Fig. 4 is the sectional view of worm frame of the present utility model at real use state.
Fig. 5 is the partial enlarged drawing in the B region in Fig. 4.
Fig. 6 is the partial enlarged drawing in the C region in Fig. 4.
Embodiment
Based on embodiment, the utility model is described below, but the utility model is not restricted to these embodiments.In hereafter details of the present utility model being described, detailedly describe some specific detail sections.Do not have the description of these detail sections can understand the utility model completely for a person skilled in the art yet.In order to avoid obscuring essence of the present utility model, known method, process, flow process, element do not describe in detail.
Worm frame of the present utility model is used for accommodating impeller (not shown).In the following description, axial direction is defined as the direction parallel with the axis 144 of impeller, and radial direction is defined as the direction vertical with impeller axis 144, and circumferential direction is defined as the direction rotated around impeller axis 144; Side is all for impeller axis 144 direction, and such as, in Fig. 3, the first half shells 13 are positioned at side, and the second half shells 15 are positioned at opposite side, and impeller 14 is positioned at the centre of the first half shells 13 and the second half shells 15.Hereinafter, the axis 144 of impeller is referred to as axis 144.
In the present embodiment, as shown in Figure 2,4, spiral case is used for accommodating impeller, from the axial cross section comprising described impeller axis, on the spiral case perisporium of spiral case center line, each point is to the distance of described axis, and on the spiral case perisporium being greater than both sides, each point is to the distance of described axis 144.Wherein, aforesaid spiral case center line refers to the center line 139 perpendicular to the spiral case of impeller axis 144.Preferably, the axial cross section that described spiral case obtains from the plane cut-out spiral case of the axis 144 comprising described impeller, on described axis 144 direction on the spiral case perisporium inwall of spiral case center line 139 each point be greater than to the distance of described axis 144 on axis, be positioned at both sides spiral case perisporium inwall on each point apart from the distance of described axis 144, its maximum difference is H, as shown in Figure 4.Preferably, the axial cross section of the perisporium inwall of spiral case is and the arc of the arc of the mating shapes of periphery wall, trapezoidal, trimming or triangle.By the perisporium inwall of spiral case being designed to middle outstanding structure, the different vertical air conditioner structures as having curve shell can be adapted to.In addition, the volume of spiral case inside can be increased, improve the draft capacity of spiral case blower fan.
For the ease of manufacturing, spiral case can be arranged to the structure of split.As illustrated in figs. 2-4.Spiral case comprises the first half shells 13 and the second half shells 15, the first half shells 13 comprise the first half shell perisporiums 131 and the first half shell side walls 132, the second half shells comprise the second half shell perisporiums 151 and the second half shell side walls 152, and described the first half shell perisporiums 131 are connected with described the second half shell perisporiums 151.The first half shell perisporiums 131 and the second half shell perisporiums 151 bend in the mode rotated around axis 144.The first half shell perisporiums 131 comprise the fixed end that is connected with the edge part of the first half shell side walls 132 and the first connecting end 1311 away from the first half shell side walls 132, the second half shell perisporiums 151 comprise the fixed end that is connected with the edge part of the second half shell side walls 152 and the second connecting end 1511 away from the second half shell side walls 152, first connecting end 1311 of the first half shell perisporiums 131 is connected with the second connecting end 1511 of the second half shell perisporiums 151, thus make the inside of the first half shells 13 and the second half shells 15 form holding cavity, it is for holding this impeller 14, and be formed as the radius for axis 144 and become large tubular along the sense of rotation of impeller 14.
Motor 11 comprises motor body 117 and running shaft 112.Under real use state, as shown in Figure 4, impeller 14 is arranged in the holding cavity of spiral case inside, its become axis 144 multiple blades 141 axially slenderly formed relative to axis 144 radially and the drum configured at predetermined intervals.One end of blade 141 is installed on the peripheral edge portion of the revolving part 142 of circular, and the other end of blade 141 is installed on the supporting ring 143 of ring-type and forms impeller intake grill in inside.Revolving part 142 is fixed on the running shaft of motor in central authorities, and under the driving of motor 11, impeller 14 rotates centered by running shaft.The first half shells 13 are provided with motor mount inlet 133, the revolving part 142 of described impeller is arranged near described motor mount inlet 133, the running shaft 112 of motor 11 is connected with the revolving part 142 of impeller 14 through motor mount inlet 133, and then driven rotary part 142 rotates, described the second half shells 15 are provided with spiral case intake grill 153, and spiral case intake grill 153 is corresponding with impeller intake grill position for guiding air inside impeller 14.Motor body 117 supported by the first half shells 13.
Described the first half shell perisporiums 131 extend towards the direction away from axis 144 from fixed end in radial directions to the first connecting end 1311, the second half shell perisporiums 151 from fixed end to the second connecting end 1511 in radial directions court extend away from the direction of axis 144.Preferably, the first connecting end 1311 of the first half shell perisporiums 131 and the joint of the second connecting end 1511 of the second half shell perisporiums 151 are near perpendicular to the spiral case center line 139 of axis 144 or overlap with the spiral case center line 139 perpendicular to axis.
Preferably, in order to promote the tightness of spiral case, the first sealing configuration can be set in the joint of the first half shells 13 and the second half shells 15.Preferably, this first sealing configuration is the convex tendon be arranged on in the first connecting end 1311 of the first half shell perisporiums 131 and the second connecting end 1511 of the second half shell perisporiums 151 and the groove arranged on the other, preferably, as shown in Figure 5, first connecting end 1311 of the first half shell perisporiums 131 is provided with the convex tendon 1312 extended towards the second half shells 15, correspondingly with convex tendon 1312 on the second connecting end 1511 of the second half shell perisporiums 151 be provided with groove 1512, when the first half shells 13 are connected with the second half shells 15, convex tendon 1312 embeds in described groove 1512, the sealing of half shell can be improved, the perisporium of spiral case is avoided to leak out to reduce the efficiency of spiral case blower fan.Convex tendon 1312 also can arrange multiple tracks together with can arranging with the structure of groove 1512.Or the first sealing configuration, for arrange groove at described first connecting end 1311, arranges convex tendon at described second connecting end 1511.
Preferably, first sealing configuration can also adopt the form arranging seal ring, and by the first half shells 13 and the second half shells 15, one arranges the radial flange extended, another arranges groove, and flange abuts with groove and is pressed on by the first seal ring in groove to realize sealing.First seal ring can adopt rubber or other soft materials.Sealing configuration is arranged on radial outside or the radially inner side of the perisporium of spiral case.
As one preferably mode of execution, as shown in Figure 6, the setting that the revolving part 142 of impeller 14 is outstanding from edge towards the direction in the axle center of revolving part 142 towards the inside of impeller 14, revolving part 142 is rendered as roughly bowl-type or taper, the radially inner side of revolving part 142 forms motor holding space, the running shaft 112 of motor enters in spiral case through spiral case, a part for motor body 117 can be positioned at motor holding space, the benefit done like this to reduce the length that motor 11 protrudes from scroll outer, reduce the installation width on spiral case blower fan axial direction, make spiral case blower fan overall structure more compact.Now, corresponding to the upper formation inner fovea part 1321 of the first half shell side walls 132 of the first half shells 13, the center of inner fovea part 1321 is provided with motor mount inlet 133, and inner fovea part 1321 is also set to the setting outstanding from edge towards the direction in the axle center of motor mount inlet 133 towards the inside of impeller 14.
Preferably, in order to promote the sealing between spiral case and motor body 117, tubular bearing 134 can be set in the edge of the motor mount inlet 133 of the first half shells 13, tubular bearing 134 inside has the through hole be communicated with motor mount inlet 133, as shown in Figure 6, the fixed end of tubular bearing 134 is connected with motor mount inlet 133 edge, and the free end of tubular bearing 134 extends towards the direction away from spiral case center on axis.Motor body 117 is through described tubular bearing 134 and motor mount inlet 133, and running shaft 112 is connected with impeller 14.Second sealing configuration is set between the periphery wall of tubular bearing 134 and motor body 117, preferably, second sealing configuration is be arranged on the second seal ring 135 on the end of tubular bearing 134 or inwall, when motor body 117 is positioned at tubular bearing 134 inside, formed between second seal ring 135 and the periphery wall of motor body 117 and be sealed and matched, motor mount inlet 133 can be closed, to realize the sealing at motor mount inlet 133 place, prevent from running from motor mount inlet the efficiency that wind reduces spiral case blower fan.Meanwhile, the second seal ring 135 can also play the effect of vibration damping, and reduction motor is delivered to the vibration on spiral case.Second seal ring 135 can be arranged on tubular bearing 134, also can be arranged on the periphery of motor body 117.Preferably, the first half shells 13 are provided with multiple erection support 136, and supporting disk 12 is connected with erection support 136 to be installed on the first half shells 13.
In addition, it should be understood by one skilled in the art that the accompanying drawing provided at this is all for illustrative purposes, and accompanying drawing is not necessarily drawn in proportion.
Meanwhile, should be appreciated that example embodiment is provided, to make the disclosure be comprehensive, and its scope is fully conveyed to those skilled in the art.A lot of specific detail (such as the example of particular elements, equipment and method) is presented to provide thorough understanding of the disclosure.It will be apparent to one skilled in the art that and do not need to adopt specific detail, example embodiment can be implemented with much different forms, and example embodiment should not be understood to limit the scope of the present disclosure.In some example embodiments, well-known device structure and well-known technology are not described in detail.
When an element or layer be mentioned as another element or layer " on ", " being engaged to ", " being connected to " or " being coupled to " another element or layer time, its can directly on another element or layer, directly engaged, connected or be connected to another element or layer, or intermediary element or layer can be there is.By contrast, when an element be mentioned as " directly " another element or layer " on ", " being directly engaged to ", " being directly connected to " or " being directly coupled to " another element or layer time, intermediary element or layer can not be there is.Other word for describing relation between element should be explained in a similar manner (such as, " between " and " directly between ", " vicinity " and " being directly close to " etc.).As used herein, term "and/or" comprises arbitrary in the Listed Items of one or more association or all combines.
Although term first, second, third, etc. can be used to describe each element, parts, region, layer and/or section at this, these elements, parts, region, layer and/or section should not limited by these terms.These terms can only for distinguishing element, parts, region, layer or a section and another element, region, layer or section.The term of such as " first ", " second " and other numerical value term when not meaning that order or sequentially when this uses, unless context explicitly points out.Thus, the first element discussed below, parts, region, layer or section can be called as the second element, parts, region, layer or section, and do not deviate from the instruction of example embodiment.In addition, in description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
For being easy to illustrate, such as " interior ", " outward ", " under ", " below ", " bottom ", " top ", " top " etc. space correlation term be used to the relation of an illustrative element or feature and another element or feature in description figure at this.Will be appreciated that space correlation term can be intended to comprise the equipment different orientation except the orientation described in figure in use or operation.Such as, if the equipment in figure is reversed, be then described as be in other element or feature " below " or " under " so element will be positioned in this other element or feature " top ".Thus, exemplary term " below " can comprise above and below both orientation.Equipment can otherwise be directed (90-degree rotation or be in other orientation), and space correlation descriptor should be interpreted accordingly as used herein.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, to those skilled in the art, the utility model can have various change and change.All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a worm frame, it is characterized in that: comprise the spiral case for accommodating impeller, described spiral case, from the axial cross section comprising described impeller axis, on the spiral case perisporium of spiral case center line, each point is to the distance of described axis, and on the spiral case perisporium being greater than both sides, each point is to the distance of described axis (144).
2. worm frame as claimed in claim 1, is characterized in that: the axial cross section of described spiral case perisporium is curved, trapezoidal, the arc of trimming or triangle.
3. worm frame as claimed in claim 1 or 2, it is characterized in that: along described axis (144) direction, described spiral case comprises the first half shells (13) and the second half shells (15), described the first half shells (13) comprise the first half shell perisporiums (131) and the first half shell side walls (132), described the second half shells comprise the second half shell perisporiums (151) and the second half shell side walls (152), and described the first half shell perisporiums (131) are connected with described the second half shell perisporiums (151).
4. worm frame as claimed in claim 3, is characterized in that: described the first half shell perisporiums (131) and described the second half shell perisporiums (151) bending in the mode rotated around described axis (144); Described the first half shell perisporiums (131) comprise the fixed end that is connected with the edge part of described the first half shell side walls (132) and the first connecting end (1311) away from described the first half shell side walls (132), and described the second half shell perisporiums (151) comprise the fixed end that is connected with the edge part of described the second half shell side walls (152) and the second connecting end (1511) away from described the second half shell side walls (152); Described first connecting end (1311) is connected with the second connecting end (1511).
5. worm frame as claimed in claim 4, it is characterized in that: described the first half shell perisporiums (131) extend towards the direction away from described axis (144) from described fixed end in radial directions to described first connecting end (1311), described the second half shell perisporiums (151) from described fixed end to described second connecting end (1511) in radial directions court extend away from the direction of described axis (144).
6. worm frame as claimed in claim 4, is characterized in that: be provided with the first sealing configuration at described the first half shells (13) and the joint of described the second half shells (15).
7. worm frame as described in claim 6, is characterized in that: described first sealing configuration comprises: the convex tendon being arranged on described first connecting end (1311), is arranged on the groove of described second connecting end (1511);
Or,
Described first sealing configuration comprises: the groove being arranged on described first connecting end (1311), is arranged on the convex tendon of described second connecting end (1511);
When described the first half shells (13) are connected with described the second half shells (15), described convex tendon embeds in described groove.
8. worm frame as described in claim 6, it is characterized in that: described first sealing configuration comprises the first seal ring, at described the first half shells (13) with the second half shells (15), one arranges the radial flange extended, another arranges groove, and described flange abuts with described groove and is pressed on by described seal ring in described groove to realize sealing.
9. worm frame as described in claim 3, it is characterized in that: described the first half shells (13) are provided with motor mount inlet (133), described the first half shells (13) are provided with at described motor mount inlet (133) place the tubular bearing (134) extended vertically, and described tubular bearing (134) is provided with the second sealing configuration for coordinating with motor.
10. worm frame as described in claim 9, it is characterized in that: described second sealing configuration is for being located at the second seal ring on the end of tubular bearing (134) or inwall, and described second seal ring is used for being sealed and matched with the periphery wall of described motor (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520705626.2U CN205047527U (en) | 2015-09-11 | 2015-09-11 | Worm frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520705626.2U CN205047527U (en) | 2015-09-11 | 2015-09-11 | Worm frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205047527U true CN205047527U (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520705626.2U Active CN205047527U (en) | 2015-09-11 | 2015-09-11 | Worm frame |
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| CN (1) | CN205047527U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134657A (en) * | 2015-09-11 | 2015-12-09 | 珠海格力电器股份有限公司 | Volute structure |
| WO2017041727A1 (en) * | 2015-09-11 | 2017-03-16 | 珠海格力电器股份有限公司 | Air conditioner, drum-shaped volute air duct system and air duct volute thereof |
| CN111159792A (en) * | 2020-01-07 | 2020-05-15 | 宁波方太厨具有限公司 | Volute profile generation method of centrifugal fan |
-
2015
- 2015-09-11 CN CN201520705626.2U patent/CN205047527U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134657A (en) * | 2015-09-11 | 2015-12-09 | 珠海格力电器股份有限公司 | Volute structure |
| WO2017041727A1 (en) * | 2015-09-11 | 2017-03-16 | 珠海格力电器股份有限公司 | Air conditioner, drum-shaped volute air duct system and air duct volute thereof |
| CN105134657B (en) * | 2015-09-11 | 2020-09-29 | 珠海格力电器股份有限公司 | Volute structure of single air inlet |
| CN111159792A (en) * | 2020-01-07 | 2020-05-15 | 宁波方太厨具有限公司 | Volute profile generation method of centrifugal fan |
| CN111159792B (en) * | 2020-01-07 | 2023-08-18 | 宁波方太厨具有限公司 | Volute molded line generation method of centrifugal fan |
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