CN107345527B - Blower housing - Google Patents
Blower housing Download PDFInfo
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- CN107345527B CN107345527B CN201610298276.1A CN201610298276A CN107345527B CN 107345527 B CN107345527 B CN 107345527B CN 201610298276 A CN201610298276 A CN 201610298276A CN 107345527 B CN107345527 B CN 107345527B
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- shell
- housing
- protruding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a fan housing, which comprises a first shell and a second shell. The end face part of the end face of the first shell, which is mutually attached to the second shell, extends towards the end face of the second shell, which is mutually attached to the first shell, so as to form at least three protruding parts, and/or the end face part of the end face of the second shell, which is mutually attached to the first shell, extends towards the end face of the first shell, which is mutually attached to the second shell, so as to form at least three protruding parts; each protruding part is clamped between the first shell and the second shell which are matched with each other. The method and the structure for realizing the surface-surface matching through the convex parts replace the traditional method and the structure for realizing the surface-surface matching through the end surfaces, reduce the contact area between the joint end surfaces of the two shells, ensure that the end surfaces of the two shells have a certain distance due to the convex parts, and effectively avoid the deformation of the outer support of the shells and the deviation of the dimensional method of other parts caused by the uneven joint end surfaces after the two shells are matched.
Description
Technical Field
The invention relates to a fan shell, in particular to a fan shell which reduces the contact area between the matched end surfaces of two shells by changing the structure of the mutually matched end surfaces of the two shells so as to avoid the phenomena of shell external bracing deformation and hole position deviation caused by uneven matched end surfaces after the two shells are matched.
Background
Referring to fig. 1 to 4, the conventional fan housing generally includes a first housing x1 and a second housing x2 that are engaged with each other. A plurality of first connecting parts x3 are arranged at the outer edge of one end, which is mutually attached to the second shell x2, of the first shell x1, and a plurality of second connecting parts x4 which are in one-to-one correspondence with the plurality of first connecting parts x3 are arranged at the outer edge of one end, which is mutually attached to the first shell x1, of the second shell x 2; the second shell x2 and the first shell x1 are mutually matched through the connection of each second connecting part x4 and the corresponding first connecting part x 3.
However, the fitting end surfaces (x 11 and x 21) between the first casing x1 and the second casing x2 after being matched are basically and completely contacted, the contact area is large, and when the two casings are formed, good flatness is difficult to achieve, the completely smooth and flat end surfaces cannot be formed, a certain waviness exists, and the fitting end surfaces (x 11 and x 21) between the two casings cannot be completely fitted due to poor flatness. In addition, since the first casing x1 and the second casing x2 are locked and matched through the second connecting portion x4 and the first connecting portion x3, even if the joint end faces (x 11 and x 21) between the two casings cannot be completely jointed, the two casings are forced to be contacted under the action of the second connecting portion x4 and the first connecting portion x3, so that the two casings after being matched are easy to be deformed by external bracing and offset by other positions, such as hole position offset, and the motor cannot be installed in alignment.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides a fan shell, wherein the structure of the mutually matched end surfaces of a first shell and a second shell is changed by utilizing a novel matching method between the end surfaces, so that the contact area between the joint end surfaces of the two shells is reduced, and the phenomena of shell external bracing deformation and dimensional deviation of other parts caused by uneven joint end surfaces after the two shells are matched are effectively avoided.
The invention is realized by the following technical scheme: a blower housing includes a first housing and a second housing that cooperate with each other. The end face part of one end face of the first shell, which is mutually attached to the second shell, extends towards the end face of one end of the second shell, which is mutually attached to the first shell, so that at least three protruding parts are formed, and/or the end face part of one end face of the second shell, which is mutually attached to the first shell, extends towards the end face of one end of the first shell, which is mutually attached to the second shell, so that at least three protruding parts are formed. Each protruding part is clamped between the first shell and the second shell which are matched with each other.
As a first embodiment of the present invention, a plurality of protruding portions are formed on an end surface of the first housing, which is attached to the second housing, at intervals.
As a further improvement of the first embodiment of the present invention, a plurality of first connection parts are provided at the outer edges of the first and second shells, and a plurality of second connection parts corresponding to the first connection parts are provided at the outer edges of the second shells; the second shell and the first shell are mutually matched through the connection of each second connecting part and the corresponding first connecting part; the positions of the plurality of protruding parts of the first shell are respectively in one-to-one correspondence with the positions of the plurality of first connecting parts.
In a second embodiment of the present invention, a plurality of protruding portions are formed on an end surface of the second housing, which is attached to the first housing, at intervals.
As a further improvement of the second embodiment of the present invention, a plurality of second connection parts are provided at the outer edges of the end of the second housing, which is mutually attached to the first housing, and a plurality of first connection parts are provided at the outer edges of the end of the first housing, which is mutually attached to the second housing, which are in one-to-one correspondence with the plurality of second connection parts; the second shell and the first shell are mutually matched through the connection of each second connecting part and the corresponding first connecting part; the positions of the plurality of protruding parts of the second shell are respectively in one-to-one correspondence with the positions of the plurality of second connecting parts.
As a third embodiment of the present invention, which is also equivalent to a further improvement of the first embodiment of the present invention, a plurality of protruding portions are formed on an end surface of the second housing, which is attached to the first housing, and the positions of the plurality of protruding portions of the second housing are respectively in one-to-one correspondence with the positions of the plurality of second connecting portions.
As a further improvement of the third embodiment of the present invention, the plurality of protruding portions of the first housing are respectively in one-to-one correspondence with the plurality of protruding portions of the second housing, and each two corresponding protruding portions are tightly attached after the first housing and the second housing are mutually matched.
As a further improvement of the present invention, each of the protruding portions has a bump structure, and the highest position of the protruding portion abuts against the end face of the first housing or the second housing.
As a further improvement of the present invention, the width of each of the protruding portions is smaller than or equal to the width of each of the connecting portions.
Through the technical scheme, the fan shell has the following beneficial technical effects:
(1) The method and the structure for realizing the surface-surface matching through the convex parts replace the traditional method and structure for realizing the surface-surface matching through the end surfaces, reduce the contact area between the matched end surfaces of the two shells, ensure that the two end surfaces matched with each other in the two shells have a certain distance due to the convex parts, and effectively avoid the deformation of the outer support of the shells and the deviation of the inch method at other parts caused by the uneven joint end surfaces after the two shells are matched;
(2) The plurality of convex parts which are arranged at intervals are formed on the end face of one end of the first shell or the second shell and are mutually attached, so that the stability of contact and attachment between the convex parts and the end face of the first shell or the second shell after being mutually attached is guaranteed, and the imbalance of the attaching faces between the two shells after being mutually attached caused by too few convex parts or too dense or far positions is avoided;
(3) The plurality of protruding parts are formed on the end surfaces of one end, which are mutually attached, of the first shell or the second shell, and the positions of the protruding parts are respectively in one-to-one correspondence with the positions of the first connecting part or the second connecting part, so that the pressing action of the second connecting part and the first connecting part on the first shell and the second shell after locking is further relieved, and the attaching degree between the protruding parts and the end surfaces and the stability after the two shells are matched are further enhanced;
(4) Through all forming the bulge on the one end terminal surface of laminating each other in first casing and second casing, utilize laminating between bulge and the bulge to replace laminating between terminal surface and the terminal surface and laminating between bulge and the terminal surface, reduced the shaping degree of difficulty of the roughness of laminating face, the roughness of the laminating face of bulge when guaranteeing the shaping easily, further avoided two casings to cooperate the back because of laminating terminal surface unevenness and the casing external bracing deformation and other positions's cun law take place the skew.
For a better understanding and implementation, the present invention is described in detail below with reference to the drawings.
Drawings
FIG. 1 is a schematic diagram of a prior art blower housing;
FIG. 2 is a schematic view of a first housing of a prior art blower housing;
FIG. 3 is a schematic view of a second housing of a prior art blower housing;
FIG. 4 is a schematic view of a fitting structure of fitting end surfaces of a first casing and a second casing of a conventional fan casing after the first casing and the second casing are mutually matched;
FIG. 5 is a schematic view of the structure of a blower housing according to embodiment 1 of the present invention;
fig. 6 is a schematic structural view of a first housing of embodiment 1 of the present invention;
fig. 7 is a schematic side view of the first housing of embodiment 1 of the present invention;
FIG. 8 is a schematic view of the cross-sectional structure of A-A of FIG. 7;
FIG. 9 is an enlarged schematic view of the structure at B in FIG. 8;
fig. 10 is a schematic structural view of a second housing of embodiment 1 of the present invention;
FIG. 11 is a schematic view showing the structure of a blower housing according to embodiment 2 of the present invention;
fig. 12 is a schematic structural view of a first housing of embodiment 2 of the present invention;
fig. 13 is a schematic structural view of a second housing of embodiment 2 of the present invention;
fig. 14 is a schematic side view of the second housing of embodiment 2 of the present invention;
FIG. 15 is a schematic view of the cross-sectional structure of A-A of FIG. 14;
FIG. 16 is an enlarged schematic view of the structure at B in FIG. 15;
FIG. 17 is a schematic view showing the structure of a blower housing according to embodiment 3 of the present invention;
fig. 18 is a schematic structural view of a first housing of embodiment 3 of the present invention;
fig. 19 is a schematic structural view of a second housing of embodiment 3 of the present invention;
fig. 20 is a schematic diagram showing the fitting structure of the protruding portion of the first housing and the second housing of embodiment 3 of the present invention after the first housing and the second housing are mated with each other.
Detailed Description
Example 1
Referring to fig. 5 to 10, a fan housing includes a first housing 11 and a second housing 12 that are mutually matched, wherein a plurality of first connection portions 13 are disposed at outer edges of one end of the first housing 11, which is mutually attached to the second housing 12, and a plurality of second connection portions 14, which are in one-to-one correspondence with the plurality of first connection portions 13, are disposed at outer edges of one end of the second housing 12, which is mutually attached to the first housing 11; the second housing 12 and the first housing 11 are mutually matched through connection of each second connecting part and the corresponding first connecting part. The end surface 111 of the first housing 11, which is attached to the second housing 12, partially extends toward the end surface 121 of the second housing 12, which is attached to the first housing 11, to form at least three protruding portions 112.
In order to ensure the stability of the fit of the first housing 11 and the second housing 12 after the fit and the balance of the fit portion, as a more preferable technical scheme, a plurality of protruding portions arranged at intervals are formed on an end face 111 of the first housing 11, which is mutually fitted with the second housing 12.
In order to further alleviate the pressing effect of the second connecting portion and the first connecting portion on the first housing 11 and the second housing 12 after locking, so as to further enhance the fitting degree between the protruding portion and the end face 121 and the stability after the two housings are matched, as a better technical scheme, the positions of the protruding portions 112 of the first housing 11 are respectively in one-to-one correspondence with the positions of the first connecting portions 13.
In this embodiment, each protruding portion has a bump structure, and the highest portion 112a of the protruding portion abuts against the end surface 121 of the second housing 12 after the first housing 11 and the second housing 12 are matched with each other. And a matching gap 15 is formed between two mutually-attached end surfaces (111 and 121) in the first shell 11 and the second shell 12 which are mutually matched; the width of the mating space 15 is the same as or similar to the height of the protrusion 112. In other embodiments, each protrusion may be a boss or bump structure.
Each first connecting part and each second connecting part are respectively a clamping head and a clamping groove, or each first connecting part and each second connecting part are respectively a screw and a nut. Or may be other structures capable of achieving interconnection of the two.
Preferably, the width of each of the protruding portions is less than or equal to the width of each of the connecting portions, and the number of protruding portions formed in the first housing is 3 to 8. When the first connecting part and the second connecting part are respectively a screw and a nut, the width of each protruding part is smaller than the width of a screw mounting table where the screw is or a nut mounting table where the nut is.
Preferably, the height of each projection is 0.2 to 1.5mm.
Preferably, the first housing, the second housing, and all the protruding portions formed in the first housing are all PP materials.
Correspondingly, the embodiment also provides a matching method for realizing the two shell end faces of the fan shell, which comprises the following steps:
step S11: one end surface of the first shell, which is mutually attached to the second shell, extends partially towards one end surface of the second shell, which is mutually attached to the first shell, so that at least three protruding parts are formed; preferably, in step S11, a plurality of protruding portions disposed at intervals are formed on an end surface of the first housing, which is mutually attached to the second housing;
step S12: the first shell and the second shell are mutually locked through the first connecting part and the second connecting part, and a plurality of protruding parts are clamped between the first shell and the second shell;
step S13: the highest part of a plurality of protruding parts clamped between the first shell and the second shell is propped against one end face of the second shell, which is mutually attached to the first shell, so that the attachment of the highest part of the protruding part and the end face of the second shell is realized; the mutual matching of the first shell and the second shell is completed.
Further, in step S13, a fitting gap is formed between two mutually-fitted end surfaces of the first casing and the second casing after the mutual fitting; the width of the matching gap is the same as or similar to the height of the protruding part.
Compared with the prior art, the fan shell of the embodiment replaces the traditional method and structure for realizing surface-to-surface matching through the convex parts, reduces the contact area between the matched end surfaces of the two shells, ensures that a certain distance exists between the two mutually matched end surfaces in the two shells due to the convex parts, and effectively avoids shell external bracing deformation and other position inch deviation caused by uneven joint end surfaces after the two shells are matched.
Example 2
Referring to fig. 11 to 16, as a second embodiment of the blower housing according to the present invention, in this embodiment, a blower housing is provided, which includes a first housing 21 and a second housing 22 that are mutually matched, wherein a plurality of first connection portions 23 are disposed at outer edges of one end of the first housing 21, which is mutually attached to the second housing 22, and a plurality of second connection portions 24 are disposed at outer edges of one end of the second housing 22, which is mutually attached to the first housing 21, which are in one-to-one correspondence with the plurality of first connection portions 23; the second housing 22 and the first housing 21 are mutually matched through connection of each second connecting part and the corresponding first connecting part. The end surface 221 of the second housing 22, which is attached to the first housing 21, partially extends toward the end surface 211 of the first housing 21, which is attached to the second housing 22, to form at least three protruding portions 222.
In order to ensure the stability of the fit of the first housing 21 and the second housing 22 after the fit and the balance of the fit portion, as a more preferable technical solution, a plurality of protruding portions arranged at intervals are formed on an end surface 221 of the second housing 22, which is mutually fitted with the first housing 21.
In order to further alleviate the pressing effect of the second connecting portion and the first connecting portion on the first housing 21 and the second housing 22 after locking, so as to further enhance the fitting degree between the protruding portions and the end surface and the stability after the two housings are matched, as a better technical scheme, the positions of the protruding portions 222 of the second housing 22 are respectively in one-to-one correspondence with the positions of the second connecting portions 24.
In this embodiment, each protruding portion has a bump structure, and the highest portion 222a of the protruding portion abuts against the end surface 211 of the first housing 21 after the first housing 21 and the second housing 22 are matched with each other. A matching gap 25 is formed between two mutually-attached end surfaces of the first shell 21 and the second shell 22 after being mutually matched; the width of the mating space 25 is the same as or similar to the height of the protrusion.
In other embodiments, each protrusion may be a boss or bump structure.
Each first connecting part and each second connecting part are respectively a clamping head and a clamping groove, or each first connecting part and each second connecting part are respectively a screw and a nut, or other structures capable of realizing the mutual connection of the two parts can be adopted.
Preferably, the width of each of the protruding portions is less than or equal to the width of each of the connecting portions, and the number of protruding portions formed in the second housing is 3 to 8. When the first connecting part and the second connecting part are respectively a screw and a nut, the width of each protruding part is smaller than the width of a screw mounting table where the screw is or a nut mounting table where the nut is.
Preferably, the height of each projection is 0.2 to 1.5mm.
Preferably, the first housing, the second housing, and all the protruding portions formed in the second housing are PP.
Correspondingly, the embodiment also provides a matching method for realizing the two shell end faces of the fan shell, which comprises the following steps:
step S21: one end face of the second shell, which is mutually attached to the first shell, extends partially towards one end face of the first shell, which is mutually attached to the second shell, so that at least three protruding parts are formed; preferably, in step S21, a plurality of protruding portions disposed at intervals are formed on an end surface of the second housing, which is mutually attached to the first housing;
step S22: the first shell and the second shell are mutually locked through the first connecting part and the second connecting part, and a plurality of protruding parts are clamped between the first shell and the second shell;
step S23: the highest part of a plurality of protruding parts clamped between the first shell and the second shell is propped against one end face of the first shell, which is mutually attached to the second shell, so that the attachment of the highest part of the protruding part and the end face of the first shell is realized; the mutual matching of the first shell and the second shell is completed.
Further, in step S23, a fitting gap is formed between two mutually-fitted end surfaces of the first casing and the second casing after the mutual fitting; the width of the matching gap is the same as or similar to the height of the protruding part.
Compared with the prior art, the fan shell of the embodiment replaces the existing structure and method for realizing surface-to-surface matching through the protruding parts, reduces the contact area between the matched end surfaces of the two shells, enables a certain distance to be formed between the two mutually matched end surfaces of the two shells due to the protruding parts, and effectively avoids shell external bracing deformation and other position inch deviation caused by uneven joint end surfaces after the two shells are matched.
Example 3
Referring to fig. 17 to 20, as a third embodiment of the fan housing according to the present invention, in this embodiment, there is further provided a fan housing including a first housing 31 and a second housing 32 that are mutually matched, wherein a plurality of first connection portions 33 are disposed at outer edges of one end of the first housing 31 that is mutually attached to the second housing 32, and a plurality of second connection portions 34 are disposed at outer edges of one end of the second housing 32 that is mutually attached to the first housing 31 and are in one-to-one correspondence with the plurality of first connection portions 33; the second housing 32 and the first housing 31 are mutually matched through connection of each second connecting part and the corresponding first connecting part. The end surface 311 of the first housing 31, which is attached to the second housing 32, extends partially toward the end surface 321 of the second housing 32, which is attached to the first housing 31, so as to form at least three protruding portions 312; and the end surface 321 of the second housing 32, which is mutually attached to the first housing 31, extends partially toward the end surface 311 of the first housing 31, which is mutually attached to the second housing 32, so as to form at least three protruding portions 322.
In order to ensure the stability of the fit between the first housing 31 and the second housing 32 after the fit and the balance of the fit portion, as a better technical solution, a plurality of protruding portions 312 are formed on an end surface 311 of the first housing 31, which is mutually fitted with the second housing 32, and a plurality of protruding portions 322 are formed on an end surface 321 of the second housing 32, which is mutually fitted with the first housing 31, which is arranged at intervals.
In order to further alleviate the pressing effect of the second connecting portion and the first connecting portion on the first housing 31 and the second housing 32 after locking, so as to further enhance the fitting degree between the protruding portion and the end surface and the stability after the two housings are matched, as a better technical scheme, the positions of the protruding portions of the first housing 31 are respectively in one-to-one correspondence with the positions of the first connecting portions 33, and the positions of the protruding portions of the second housing 32 are respectively in one-to-one correspondence with the positions of the second connecting portions 34.
In this embodiment, in order to further avoid deformation of the outer support of the shell and deviation of the dimensional method at other positions caused by uneven fitting end surfaces after the two shells are matched, as a better technical scheme, the plurality of protruding portions of the first shell 31 are respectively in one-to-one correspondence with the plurality of protruding portions of the second shell 32, and each two corresponding protruding portions are tightly fitted after the first shell 31 and the second shell 32 are mutually matched; that is, the highest of the two corresponding protruding portions is that the first housing 31 and the second housing 32 are abutted against each other after being matched with each other. A fit gap 35 is formed between the fit end surfaces (311 and 312) of the first shell 31 and the second shell 32 after being matched with each other; the width of the mating space 35 is the same as or similar to the sum of the heights of the two corresponding protrusions.
In this embodiment, each protrusion is a bump structure, and in other embodiments, each protrusion may be a boss or a bump structure.
Each first connecting part and each second connecting part are respectively a clamping head and a clamping groove, or each first connecting part and each second connecting part are respectively a screw and a nut. Or may be other structures capable of achieving interconnection of the two.
Preferably, the width of each of the protruding portions is less than or equal to the width of each of the connecting portions, and the number of protruding portions formed in each of the cases is 3 to 8. When the first connecting part and the second connecting part are respectively a screw and a nut, the width of each protruding part is smaller than the width of a screw mounting table where the screw is or a nut mounting table where the nut is.
Preferably, the height of each projection is 0.2 to 1.5mm.
Preferably, the first housing, the second housing, and all the protruding portions formed in each housing are PP.
Correspondingly, the embodiment also provides a matching method for realizing the two shell end faces of the fan shell, which comprises the following steps:
step S31: one end surface of the first shell 31, which is mutually attached to the second shell, extends partially towards one end surface of the second shell, which is mutually attached to the first shell, so as to form at least three protruding parts; preferably, in step S31, a plurality of protruding portions disposed at intervals are formed on an end surface of the first housing, which is mutually attached to the second housing;
step S32: one end face of the second shell, which is mutually attached to the first shell, extends partially towards one end face of the first shell, which is mutually attached to the second shell, so that at least three protruding parts are formed; preferably, in step S32, a plurality of protruding portions disposed at intervals are formed on an end surface of the second housing, which is mutually attached to the first housing;
step S33: arranging a plurality of protruding parts in the first shell in one-to-one correspondence with a plurality of protruding parts in the second shell;
step S34: the first shell and the second shell are mutually locked through the first connecting part and the second connecting part, and a plurality of protruding parts of the first shell and a plurality of protruding parts of the second shell are clamped between the first shell and the second shell;
step S35: the highest parts of the convex parts of the two corresponding convex parts are respectively abutted against the highest parts of the corresponding convex parts, so that the highest parts of the convex parts of the two corresponding convex parts are abutted against each other for lamination; the mutual matching of the first shell and the second shell is completed.
Further, in step S35, a fitting gap is formed between the fitting end surfaces of the first casing and the second casing after the fitting; the width of the matching gap is the same as or similar to the sum of the heights of the two corresponding protruding parts.
Compared with the prior art, the fan shell of the embodiment replaces the joint between the end face and the end face or the joint between the end face and the end face by utilizing the joint between the protruding part and the highest part of the protruding part, so that the forming difficulty of the flatness of the joint face is reduced, the flatness of the joint face of the protruding part during forming is easily ensured, and the shell external bracing deformation and the deviation of other positions caused by the uneven joint end face after the two shells are matched are further avoided.
The present invention is not limited to the above-described embodiments, but, if various modifications or variations of the present invention are not departing from the spirit and scope of the present invention, the present invention is intended to include such modifications and variations as fall within the scope of the claims and the equivalents thereof.
Claims (5)
1. A blower housing includes a first housing and a second housing that cooperate with each other; the method is characterized in that: a plurality of first connecting parts are arranged at the outer edges of one ends of the first shell, which are mutually attached to the second shell, and a plurality of second connecting parts which are in one-to-one correspondence with the plurality of first connecting parts are arranged at the outer edges of one ends of the second shell, which are mutually attached to the first shell; the second shell and the first shell are mutually matched through the connection of each second connecting part and the corresponding first connecting part; each first connecting part and each second connecting part are respectively a clamping head and a clamping groove, or each first connecting part and each second connecting part are respectively a screw and a nut;
the end face part of one end face of the first shell, which is mutually attached to the second shell, extends towards the end face of one end of the second shell, which is mutually attached to the first shell, so that a plurality of protruding parts which are arranged at intervals are formed, and the positions of the protruding parts of the first shell are respectively in one-to-one correspondence with the positions of the first connecting parts;
the end face part of one end face of the second shell, which is mutually attached to the first shell, extends towards the end face of one end face of the first shell, which is mutually attached to the second shell, a plurality of protruding parts are formed at intervals, and the positions of the protruding parts of the second shell are respectively in one-to-one correspondence with the positions of the second connecting parts;
each protruding part is clamped between the first shell and the second shell which are matched with each other;
the plurality of protruding parts of the first shell are respectively in one-to-one correspondence with the plurality of protruding parts of the second shell, and the two protruding parts corresponding to each other are closely attached after the first shell and the second shell are mutually matched.
2. The blower housing of claim 1, wherein: and a plurality of protruding parts which are arranged at intervals are formed on the end face of one end of the second shell, which is mutually attached to the first shell.
3. The blower housing of claim 2, wherein: a plurality of second connecting parts are arranged at the outer edges of one end, which is mutually attached to the first shell, of the second shell, and a plurality of first connecting parts which are in one-to-one correspondence with the plurality of second connecting parts are arranged at the outer edges of one end, which is mutually attached to the second shell, of the first shell; the second shell and the first shell are mutually matched through the connection of each second connecting part and the corresponding first connecting part;
the positions of the plurality of protruding parts of the second shell are respectively in one-to-one correspondence with the positions of the plurality of second connecting parts.
4. A blower housing according to any one of claims 1-3, wherein: each protruding part is of a bump structure, and the highest part of the protruding part abuts against the end face of the first shell or the second shell.
5. A blower housing as set forth in any one of claims 1 or 3, wherein: the width of each protruding part is smaller than or equal to the width of each connecting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298276.1A CN107345527B (en) | 2016-05-05 | 2016-05-05 | Blower housing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298276.1A CN107345527B (en) | 2016-05-05 | 2016-05-05 | Blower housing |
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| CN107345527A CN107345527A (en) | 2017-11-14 |
| CN107345527B true CN107345527B (en) | 2023-09-19 |
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| CN201610298276.1A Active CN107345527B (en) | 2016-05-05 | 2016-05-05 | Blower housing |
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| JP2002017127A (en) * | 2000-07-10 | 2002-01-22 | Kubota Corp | Centrifugal fan for fertilizing unit |
| CN201265555Y (en) * | 2008-08-14 | 2009-07-01 | 全风机电股份有限公司 | Casing of turbine type blowing machine |
| CN203430861U (en) * | 2013-09-09 | 2014-02-12 | 重庆松芝汽车空调有限公司 | Blower volute and evaporator shell connecting structure |
| JP2015121124A (en) * | 2013-12-20 | 2015-07-02 | カルソニックカンセイ株式会社 | Gas compressor |
| CN105298872A (en) * | 2015-11-27 | 2016-02-03 | 吉林省沃鸿医疗器械制造有限公司 | Fan |
| CN205639071U (en) * | 2016-05-05 | 2016-10-12 | 珠海松下马达有限公司 | Blower housing |
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