CN111469626A - Motor fan mounting and fixing structure of automobile HVAC assembly - Google Patents
Motor fan mounting and fixing structure of automobile HVAC assembly Download PDFInfo
- Publication number
- CN111469626A CN111469626A CN202010319908.4A CN202010319908A CN111469626A CN 111469626 A CN111469626 A CN 111469626A CN 202010319908 A CN202010319908 A CN 202010319908A CN 111469626 A CN111469626 A CN 111469626A
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- China
- Prior art keywords
- motor fan
- boss
- fan
- installation
- hvac assembly
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00021—Air flow details of HVAC devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00514—Details of air conditioning housings
- B60H1/00521—Mounting or fastening of components in housings, e.g. heat exchangers, fans, electronic regulators
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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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00021—Air flow details of HVAC devices
- B60H2001/00078—Assembling, manufacturing or layout details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an automobile HVAC assembly motor fan installation fixing structure, wherein a motor fan is installed and connected on a volute lower shell, and the automobile HVAC assembly motor fan installation fixing structure is characterized in that: the motor fan is provided with a fan shell installation face, a clamping boss is arranged on the edge of the fan shell installation face, a mounting hole matched with the fan shell installation face is formed in the volute, the edge of the mounting hole is provided with a mounting notch matched with the clamping boss and used for being passed through in a matched mode, the motor fan rotates, and the clamping boss of the motor fan is clamped and limited to the lower shell of the volute. The motor fan installation and fixation structure of the automobile HVAC assembly has the advantages of simple structure, convenience in installation and fixation, low cost, good product performance and better application prospect.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to a motor fan mounting and fixing structure of an automobile HVAC assembly.
Background
The existing automobile air conditioner manufacturers are more and more, the competition pressure is higher and more, and the requirement on the shell is higher and higher, so that the product design is innovated, the production cost is reduced through innovation, and the core competitiveness of the product is improved.
In the prior art, the fan of the project motor is fixed with the lower shell of the volute through screws, so that the screws are required to be purchased, the cost is increased, and the assembly is required by staff, so that the production efficiency is reduced, and the product competition is not facilitated; since the mounting hole boss feature of the self-tapping screw is higher than the plane of the housing, noise may be generated, which may affect the performance of the assembly.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides the mounting and fixing structure for the motor fan of the HVAC assembly of the automobile, which has the advantages of simple structure, convenience in mounting and fixing, low cost and good product performance.
In order to achieve the purpose, the invention adopts the technical scheme that: this kind of car HVAC assembly motor fan installation fixed knot that provides constructs, motor fan installation connection under the spiral case on the casing, its characterized in that: the motor fan is provided with a fan shell installation face, a clamping boss is arranged on the edge of the fan shell installation face, a mounting hole matched with the fan shell installation face is formed in the volute, the edge of the mounting hole is provided with a mounting notch matched with the clamping boss and used for being passed through in a matched mode, the motor fan rotates, and the clamping boss of the motor fan is clamped and limited to the lower shell of the volute.
In order to make the technical scheme more detailed and concrete, the invention also provides the following further preferable technical scheme to obtain satisfactory practical effect:
the fan casing installation face edge is equipped with a plurality of even interval arrangement the joint boss, the mounting hole edge is equipped with a plurality of installation notch that the joint boss corresponds.
And the volute lower shell is provided with a guide boss and a limiting boss.
The guide boss is arranged along the rotation direction of the motor fan, and the height of the guide boss is gradually increased along the installation rotation direction.
And a first limiting block which slides along the guide boss in a guide manner is arranged on the motor fan.
The tail end of the guide boss is provided with a limiting groove for clamping and limiting the first limiting block.
The guide bosses and the limiting bosses are sequentially arranged along the rotation mounting direction.
The motor fan is provided with a second limiting block, and the second limiting block corresponds to the limiting boss after the motor fan is rotatably mounted in place; and a limit stop block protruding for a certain height is arranged at the rear end of the limit boss.
The fan casing installation face edge is equipped with towards installation direction open-ended public slot, be equipped with on the mounting hole edge with public slot corresponds female slot, public slot and female slot are the U type slot.
The edge of the mounting hole extends towards the center to form an extension section, the mounting notch is formed in the extension section, and the clamping boss is formed by extending the edge of the mounting surface of the fan shell towards the center.
Compared with the prior art, the invention has the following advantages: the motor fan installation and fixation structure of the automobile HVAC assembly has the advantages of simple structure, convenience in installation and fixation, low cost, good product performance and better application prospect.
Drawings
The contents of the drawings and the reference numerals in the drawings of the present specification will be briefly described as follows:
FIG. 1 is a schematic view of a motor fan mounting fixture for an HVAC assembly of an automotive vehicle according to the present invention;
FIG. 2 is a schematic view of the internal structure of the motor fan and the volute casing;
FIG. 3 is a schematic view of the internal structure of the motor fan and the volute casing;
FIG. 4 is a schematic cross-sectional view of a mounting and fixing structure of a motor and a fan according to the present invention;
FIG. 5 is an enlarged view of part A of FIG. 4;
FIG. 6 is a schematic view of an external limiting and fitting structure of the mounting and fixing structure of the motor fan according to the present invention;
FIG. 7 is a schematic view of the structure of the lower volute casing according to the present invention.
Labeled as: 1. casing under the spiral case, 11, direction boss, 12, spacing boss, 13, installation notch, 14, female inserting groove, 2, motor fan, 21, first stopper, 22, second stopper, 23, fan housing installation face, 24, joint boss, 25, public inserting groove.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
According to the mounting and fixing structure of the motor fan of the automobile HVAC assembly, as shown in figures 1, 2 and 3, the motor fan 2 is mounted and connected on the volute lower shell 1, the motor fan 2 is provided with a fan shell mounting surface 23, the edge of the fan shell mounting surface 23 is provided with a clamping boss 24, the volute lower shell 1 is provided with a mounting hole matched with the fan shell mounting surface 23, the edge of the mounting hole is provided with a mounting notch 13 which is matched with the clamping boss 24 to penetrate through, the motor fan 2 is rotated, and the clamping boss of the motor fan 2 is clamped and limited on the volute lower shell 1. The installation fixing structure saves installation time and improves installation efficiency.
In the invention, as shown in fig. 2, 3, 4 and 5, the edge of the fan housing mounting surface 23 is provided with a plurality of clamping bosses 24 which are uniformly arranged at intervals, and the edge of the mounting hole is provided with a plurality of mounting notches 13 corresponding to the plurality of clamping bosses 24. According to the rotary clamping structure, the edge of the mounting hole extends towards the center to form an extension section, the mounting notch 13 is arranged on the extension section, and the clamping boss 24 is formed by extending the edge of the mounting surface 23 of the fan shell towards the center. The clamping boss 24 is distributed along the edge of the fan shell installation surface 23 in a zigzag mode, the clamping boss 24 penetrates through the installation notch 13 arranged correspondingly during installation, the motor fan 2 is rotated along the installation rotation direction, the clamping boss 24 is correspondingly staggered with the installation notch 13, and the upper surface of the clamping boss 24 is attached to the inner wall surface of the volute shell lower shell extension section to achieve clamping installation.
In the invention, as shown in fig. 1, 6 and 7, a guide boss 11 and a limit boss 12 are arranged on the volute lower shell 1. The direction boss 11 is arranged along the direction of rotation of motor fan 2, and its boss height increases gradually along the installation direction of rotation, plays the rotation direction effect, conveniently rotates the installation. As shown in fig. 7, the motor fan 2 is provided with a first stopper 21 that slides along the guide boss. The tail end of the guide boss 11 is provided with a limiting groove for clamping and limiting the first limiting block 21, so that the motor fan 2 is prevented from reversing. The arrangement of the guide boss 11 can also control the gap between the motor fan and the lower casing of the volute at the vertical relative position, and the clamping boss 24 is ensured to be tightly attached to the lower casing 1 of the volute as much as possible after installation by controlling the position depth of the limiting groove, so that the operation noise is reduced, and the product performance is improved.
In the invention, a guide boss 11 and a limit boss 12 are sequentially arranged along the rotating installation direction. A second limiting block 22 is arranged on the motor fan 2, and the second limiting block 22 corresponds to the limiting boss 12 after the motor fan 2 is rotatably installed in place; a limit stopper protruding by a certain height is provided at the rear end of the limit boss 12 to limit the backward rotation distance of the motor fan 2. During rotation, rotation direction control is achieved through the first limiting block 21 and the guide boss 11, after the volute casing is installed in place, the first limiting block 21 is clamped into the limiting groove to achieve clamping limiting, and the clamping boss 24 is matched with the inner wall surface of the volute casing 1 to be vertically attached and limited so as to limit the vertical matching gap between the motor fan 2 and the volute casing 1; the second limiting block 22 corresponds to the limiting rod on the limiting boss 12 and limits the circumferential rotation position of the motor fan 2.
In the present invention, as shown in fig. 5, a male slot 25 opening in the mounting direction is provided at the edge of the fan housing mounting surface 23, a female slot 14 corresponding to the male slot is provided at the edge of the mounting hole, and both the male slot and the female slot are U-shaped slots. During installation, the motor fan 2 is installed into the volute lower shell 1 along the installation direction, the male insertion groove 25 and the female insertion groove 14 are correspondingly inserted and installed, the clamping boss 24 penetrates through the installation notch 14, the installation notch 14 is staggered after the rotation of a certain angle, installation and fixation are achieved under the action of the upper guide boss 11 and the limiting boss 12, the installation and fixation structure is good in stability, and convenient and fast installation can be achieved.
In the invention, the motor fan 2 and the volute lower shell 1 are assembled and fixed in a rotating mode, the motor fan 1 is combined with the volute lower shell through the installation notch 14 of the volute lower shell 1, and then the motor fan rotates anticlockwise, so that the clamping boss 24 of the motor fan is clamped and matched with the boss feature on the extension edge of the volute lower shell. The volute casing is provided with the guide structure, so that the volute casing is favorable for rotary assembly, the guide boss 11 gradually changes in height and has a very slow slope, and the motor fan is favorable for better rotary installation, so that the volute casing is assembled with the lower volute casing in a loose manner. The limiting boss 12 limits the rotation of the motor fan 2, the rotation is prevented from exceeding a preset position, and the motor fan is clamped in the limiting groove after rotating to the preset position, so that the motor fan can be prevented from reversing.
The motor fan installation and fixation structure of the automobile HVAC assembly has the advantages of simple structure, convenience in installation and fixation, low cost, good product performance and better application prospect.
The invention has been described above with reference to the accompanying drawings, but the invention is not limited to the above-described embodiments, and it is within the scope of the invention to use various insubstantial modifications of the inventive concept and solutions or to apply them directly to other applications.
Claims (10)
1. The utility model provides an automobile HVAC assembly motor fan installation fixed knot construct, motor fan erection joint under the spiral case on the casing, its characterized in that: the motor fan is provided with a fan shell installation face, a clamping boss is arranged on the edge of the fan shell installation face, a mounting hole matched with the fan shell installation face is formed in the volute shell lower shell, and a mounting notch matched with the clamping boss is formed in the edge of the mounting hole and penetrates through the mounting notch.
2. The automotive HVAC assembly motor fan mounting fixture of claim 1, further comprising: the fan casing installation face edge is equipped with a plurality of even interval arrangement the joint boss, the mounting hole edge is equipped with a plurality of installation notch that the joint boss corresponds.
3. The automotive HVAC assembly motor fan mounting fixture of claim 1, further comprising: and the volute lower shell is provided with a guide boss and a limiting boss.
4. The automotive HVAC assembly motor fan mounting fixture of claim 3, further comprising: the guide boss is arranged along the rotation direction of the motor fan, and the height of the guide boss is gradually increased along the installation rotation direction.
5. The automotive HVAC assembly motor fan mounting fixture structure of claim 4, wherein: and a first limiting block which slides along the guide boss in a guide manner is arranged on the motor fan.
6. The automotive HVAC assembly motor fan mounting fixture structure of claim 5, wherein: the tail end of the guide boss is provided with a limiting groove for clamping and limiting the first limiting block.
7. The automotive HVAC assembly motor fan mounting fixture of claim 3, further comprising: the guide bosses and the limiting bosses are sequentially arranged along the rotation mounting direction.
8. The automotive HVAC assembly motor fan mounting fixture of claim 7, further comprising: the motor fan is provided with a second limiting block, and the second limiting block corresponds to the limiting boss after the motor fan is rotatably mounted in place; and a limit stop block protruding for a certain height is arranged at the rear end of the limit boss.
9. The automotive HVAC assembly motor fan mounting fixture structure of any one of claims 1 to 8, further comprising: the fan casing installation face edge is equipped with towards installation direction open-ended public slot, be equipped with on the mounting hole edge with public slot corresponds female slot, public slot and female slot are the U type slot.
10. The automotive HVAC assembly motor fan mounting fixture of claim 9, further comprising: the edge of the mounting hole extends towards the center to form an extension section, the mounting notch is formed in the extension section, and the clamping boss is formed by extending the edge of the mounting surface of the fan shell towards the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010319908.4A CN111469626A (en) | 2020-04-22 | 2020-04-22 | Motor fan mounting and fixing structure of automobile HVAC assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010319908.4A CN111469626A (en) | 2020-04-22 | 2020-04-22 | Motor fan mounting and fixing structure of automobile HVAC assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111469626A true CN111469626A (en) | 2020-07-31 |
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ID=71755716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010319908.4A Pending CN111469626A (en) | 2020-04-22 | 2020-04-22 | Motor fan mounting and fixing structure of automobile HVAC assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111469626A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043846A (en) * | 2021-12-15 | 2022-02-15 | 东风汽车集团股份有限公司 | Air conditioner guard plate structure, air conditioner shell structure and mounting structure for automobile |
-
2020
- 2020-04-22 CN CN202010319908.4A patent/CN111469626A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043846A (en) * | 2021-12-15 | 2022-02-15 | 东风汽车集团股份有限公司 | Air conditioner guard plate structure, air conditioner shell structure and mounting structure for automobile |
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