CN108278764B - Hole site structure for running fit, air guide connecting rod, crankshaft and air conditioner - Google Patents
Hole site structure for running fit, air guide connecting rod, crankshaft and air conditioner Download PDFInfo
- Publication number
- CN108278764B CN108278764B CN201810250777.1A CN201810250777A CN108278764B CN 108278764 B CN108278764 B CN 108278764B CN 201810250777 A CN201810250777 A CN 201810250777A CN 108278764 B CN108278764 B CN 108278764B
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- China
- Prior art keywords
- hole
- site structure
- hole section
- assembly
- mushroom head
- Prior art date
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- 235000001674 Agaricus brunnescens Nutrition 0.000 claims abstract description 54
- 238000001125 extrusion Methods 0.000 claims abstract description 5
- 230000007704 transition Effects 0.000 claims description 6
- 230000013011 mating Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
- F24F2013/1473—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with cams or levers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The application discloses a hole site structure for running fit, an air guide connecting rod, a crankshaft and an air conditioner, wherein the hole site structure comprises a large end fit hole and a small end fit hole which are arranged in a stepped coaxial mode, the large end fit hole is connected with the small end fit hole through a step surface, the small end fit hole comprises a guide hole section and an assembly hole section, the guide hole section is connected with the step surface, and the aperture of the guide hole section is larger than that of the assembly hole section. This hole site structure is when assembling with the mushroom head, at the initial stage of assembly, leads the mushroom head through the guiding hole section, because the aperture of guiding hole section is greater than the aperture of assembly section, consequently, the mushroom head can get into the guiding hole section easily, in the assembly later stage, utilizes the extrusion force can be smoothly with the complete card of mushroom head into assembly hole section, compares with current mating holes, has made things convenient for the assembly installation, need not to knock it in with special frock, and assembly maneuverability is better, has improved product production efficiency.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a hole site structure for rotating fit. And also relates to an air guide connecting rod, a crankshaft and an air conditioner adopting the hole site structure.
Background
In an air conditioner, particularly a cylindrical cabinet air conditioner, a rotating fit structure between a crankshaft of an air conditioner motor and an air guide connecting rod is generally a mushroom head and a fit hole, the mushroom head is arranged on the crankshaft, and the fit hole is arranged on the air guide connecting rod. Because the mushroom head is in interference fit with the fit hole, the characteristic hardness of the material used by the mushroom head is high, the mushroom head is difficult to clamp into the fit hole by utilizing inward extrusion force during actual assembly, the crankshaft and the air guide connecting rod are extremely difficult to assemble, workers cannot clamp in the air guide connecting rod by hand during operation, the mushroom head is required to be knocked in by a special tool, the assembly operability is extremely poor, and the production efficiency of products is seriously affected.
Therefore, how to solve the problem of difficult assembly of the air guide connecting rod and the crankshaft becomes a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
Therefore, the present invention is directed to a hole site structure for rotation fit to facilitate assembling of an air guide connecting rod and a crankshaft.
Another object of the present invention is to provide an air guide connecting rod, a crankshaft and an air conditioner including the hole site structure, so as to facilitate the assembly of the air guide connecting rod and the crankshaft.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The utility model provides a hole site structure for normal running fit, is including being the coaxial big end mating hole and the tip mating hole who arranges of echelonment, big end mating hole with meet through the step face between the tip mating hole, the tip mating hole includes guiding hole section and mounting hole section, the guiding hole section with the step face meets, the aperture of guiding hole section is greater than the aperture of mounting hole section.
Preferably, in the hole site structure, the ratio between the height of the guide hole section and the height of the small end fitting hole is 1/4-2/5.
Preferably, in the hole site structure, the guide Kong Duanwei is a cylindrical hole segment.
Preferably, in the hole site structure, the engagement overlap ratio of the cylindrical hole section and the mushroom head is 1/3-2/3 of the engagement overlap ratio of the assembly hole section and the mushroom head.
Preferably, in the hole site structure, the cylindrical hole section and the assembly hole section are connected in a transitional manner through a transitional inclined plane or a transitional cambered surface.
Preferably, in the hole site structure, an included angle between the transition inclined plane and the axis of the assembly hole segment is 15 ° to 60 °.
Preferably, in the hole site structure, the guide Kong Duanwei is a tapered hole segment or an arc-shaped hole segment.
The invention also provides an air guide connecting rod, which is provided with the hole site structure for rotating fit.
The invention also provides a crankshaft provided with a hole site structure for a running fit as defined in any one of the above.
The invention also provides an air conditioner, which comprises a crankshaft and an air guide connecting rod, wherein the crankshaft is in rotary fit connection with the air guide connecting rod through a mushroom head and the hole site structure for rotary fit; the air guide connecting rod is provided with the hole site structure, and the crankshaft is provided with the mushroom head; or the mushroom head is arranged on the air guide connecting rod, and the hole site structure is arranged on the crankshaft.
Compared with the prior art, the invention has the beneficial effects that:
In the hole site structure for rotation fit, the small end fit hole comprises a guide hole section and an assembly hole section, wherein the guide hole section is connected with the step surface, and the aperture of the guide hole section is larger than that of the assembly hole section. Therefore, when the hole site structure is assembled with the mushroom head, the mushroom head is guided through the guide hole section in the initial stage of assembly, and the mushroom head can easily enter the guide hole section because the aperture of the guide hole section is larger than that of the assembly section, and the mushroom head can be smoothly clamped into the assembly hole section by utilizing extrusion force in the later stage of assembly, so that the assembly and installation are convenient compared with the existing matching hole.
The air guide connecting rod, the crankshaft and the air conditioner provided by the application all adopt the hole site structure in the application, so that the assembly and the installation of the air guide connecting rod and the crankshaft are convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic top view of a hole site structure for a rotational fit according to an embodiment of the present invention;
FIG. 2 is a schematic view of section A-A of FIG. 1.
Wherein, 1 is big end mating hole, 2 is little end mating hole, 21 is guiding hole section, 22 is transition inclined plane, 23 is the pilot hole section.
Detailed Description
The core of the invention is to provide a hole site structure for running fit, which is convenient for assembling the wind guide connecting rod and the crankshaft.
The invention also provides an air guide connecting rod, a crankshaft and an air conditioner comprising the hole site structure, and the assembly of the air guide connecting rod and the crankshaft is convenient.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, an embodiment of the present invention provides a hole site structure for rotation fit with a mushroom head, the hole site structure includes a large end fitting hole 1 and a small end fitting hole 2 coaxially arranged in a stepped shape, the hole diameter of the large end fitting hole 1 is larger than that of the small end fitting hole 2, the large end fitting hole 1 and the small end fitting hole 2 are connected by a step surface 3, the small end fitting hole 2 includes a guide hole section 21 and an assembly hole section 23, the guide hole section 21 is connected with the step surface 3, and the hole diameter of the guide hole section 21 is larger than that of the assembly hole section 23.
This hole site structure is when assembling with the mushroom head, at the initial stage of assembly, leads the mushroom head through guiding hole section 21, because the aperture of guiding hole section 21 is greater than the aperture of assembly hole section, consequently, the mushroom head can get into guiding hole section 21 easily, in the assembly later stage, utilize the extrusion force can block the mushroom head completely into assembly hole section 23 smoothly, compare with current mating holes, the assembly installation has been made things convenient for, need not to knock it in with special frock, assembly maneuverability is better, product production efficiency has been improved.
Further, in the present embodiment, the ratio between the axial height of the pilot hole section 21 and the axial height of the small-end fitting hole 2 is 1/4 to 2/5. The ratio between the axial height of the fitting hole section 23 and the axial height of the small-end fitting hole 2 is 3/5 to 3/4. The mushroom head is easily guided into the guide hole section 21 with proper height, and the assembly hole section 23 with proper height is utilized to assemble the mushroom head, so that the hole site structure and the mushroom head do not deviate from relative movement in the long-term use process, and abnormal vibration, abnormal noise and the like in the operation process can not be caused. More preferably, the ratio between the axial height of the pilot hole section 21 and the axial height of the small-end fitting hole 2 is 1/3, and the ratio of the fitting hole section 23 is 2/3.
The shape of the pilot hole section 21 is optimized, and in this embodiment, the pilot hole section 21 is a cylindrical hole section, and the aperture of the cylindrical hole section is smaller than that of the assembly hole section 23, so that the machining is convenient.
Further, in order to make the guiding hole section 21 play a better role in guiding, in this embodiment, the engagement of the cylindrical hole section and the mushroom head is 1/3-2/3, more preferably 1/2, of the engagement of the assembly hole section 23 and the mushroom head, and the assembly hole section 23 and the mushroom head are stably assembled, i.e. the aperture of the guiding hole section 21 is slightly larger than that of the assembly hole section 23, thereby facilitating the guiding assembly of the mushroom head, and simultaneously ensuring that the mushroom head and the hole site structure do not deviate from each other during long-term use and do not cause shaking and abnormal sound during operation.
Further, in this embodiment, the cylindrical hole section and the assembly hole section 23 are in transitional connection through a transitional slope 22 or a transitional cambered surface. After the mushroom head is inserted into the guide hole section 21, the mushroom head is pressed, and the mushroom head is more smoothly pressed into the assembly hole section 23 under the guide action of the transition inclined surface 22 or the transition cambered surface.
Preferably, the angle between the transition bevel 22 and the axis of the assembly hole segment 23 is 15 ° to 60 °, i.e. the guiding angle is 15 ° to 60 °, more preferably 30 ° to 45 °, so that the mushroom head is smoothly pushed into the assembly hole segment 23.
Of course, in addition to the cylindrical hole section, in this embodiment, the guiding hole section 21 is a tapered hole section or an arc-shaped hole section, the hole diameter of the tapered hole section gradually decreases linearly from the side of the step surface 3 to the side of the fitting hole section 23, and preferably the hole diameter of the position where the tapered hole section meets the fitting hole section 23 is the same, that is, the tapered hole section gradually guides the mushroom head into the fitting hole section 23. The aperture of the arc-shaped hole section gradually decreases from one side of the step surface 3 to one side of the assembly section 23, and the generatrix of the arc-shaped hole section is arc-shaped, preferably, the aperture of the position where the arc-shaped hole section is connected with the assembly hole section 23 is the same, and the arc-shaped hole section gradually guides the mushroom head into the assembly hole section 23.
On the basis of any one of the above embodiments, the embodiment of the present application further provides an air guiding connecting rod, on which the hole site structure as described in any one of the above embodiments is provided, the hole site structure is used for being in running fit with a mushroom head, and accordingly, the mushroom head is arranged on a crankshaft. Because the air guide connecting rod adopts the hole site structure in the application, the assembly and the installation of the air guide connecting rod and the crankshaft are convenient.
The embodiment of the application also provides a crankshaft provided with the hole site structure as described in any embodiment above, wherein the hole site structure is used for being in running fit with a mushroom head, and accordingly, the mushroom head is arranged on an air guide connecting rod. Because the crankshaft adopts the hole site structure in the application, the assembly and installation of the air guide connecting rod and the crankshaft are convenient.
The embodiment of the application also provides an air conditioner which comprises a crankshaft and an air guide connecting rod, wherein the crankshaft and the air guide connecting rod are in rotary fit connection through the mushroom head and the hole site structure as described in any embodiment. Specifically, the hole site structure is arranged on the air guide connecting rod, and the mushroom head is arranged on the crankshaft; or the air guide connecting rod is provided with a mushroom head, and the crankshaft is provided with the hole site structure. Because the hole site structure in the application is in running fit with the mushroom head, the assembly and installation of the air guide connecting rod and the crankshaft are convenient.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The hole site structure for running fit comprises a large end matching hole (1) and a small end matching hole (2) which are coaxially arranged in a stepped manner, wherein the large end matching hole (1) is connected with the small end matching hole (2) through a step surface (3), and the hole site structure is characterized in that the small end matching hole (2) comprises a guide hole section (21) and an assembly hole section (23), the guide hole section (21) is connected with the step surface (3), and the aperture of the guide hole section (21) is larger than that of the assembly hole section (23);
when the hole site structure is assembled with the mushroom head, the mushroom head is guided through the guide hole section, and the mushroom head is completely clamped into the assembly hole section by utilizing extrusion force;
the ratio of the height of the guide hole section (21) to the height of the small end matching hole (2) is 1/4-2/5.
2. Hole site structure according to claim 1, characterized in that the guiding hole segments (21) are cylindrical hole segments.
3. Hole site structure according to claim 2, characterized in that the engagement of the cylindrical hole segments with the mushroom head is 1/3-2/3 of the engagement of the fitting hole segments (23) with the mushroom head.
4. Hole site structure according to claim 2, characterized in that the cylindrical hole segments are in transitional connection with the assembly hole segments (23) by means of transitional slopes or transitional cambered surfaces.
5. Hole site structure according to claim 4, characterized in that the angle between the transition bevel and the axis of the fitting hole section (23) is 15-60 °.
6. Hole site structure according to claim 1, characterized in that the pilot hole section (21) is a conical hole section or an arc-shaped hole section.
7. An air guiding connecting rod, characterized in that a hole site structure for rotation fit is provided according to any one of claims 1-6.
8. A crankshaft provided with a hole site structure for a running fit according to any one of claims 1 to 6.
9. An air conditioner comprising a crankshaft and an air guiding connecting rod, wherein the crankshaft and the air guiding connecting rod are connected in a rotating fit manner through a mushroom head and the hole site structure for rotating fit as claimed in any one of claims 1 to 6; the air guide connecting rod is provided with the hole site structure, and the crankshaft is provided with the mushroom head; or the mushroom head is arranged on the air guide connecting rod, and the hole site structure is arranged on the crankshaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810250777.1A CN108278764B (en) | 2018-03-26 | 2018-03-26 | Hole site structure for running fit, air guide connecting rod, crankshaft and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810250777.1A CN108278764B (en) | 2018-03-26 | 2018-03-26 | Hole site structure for running fit, air guide connecting rod, crankshaft and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108278764A CN108278764A (en) | 2018-07-13 |
| CN108278764B true CN108278764B (en) | 2024-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810250777.1A Active CN108278764B (en) | 2018-03-26 | 2018-03-26 | Hole site structure for running fit, air guide connecting rod, crankshaft and air conditioner |
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| Country | Link |
|---|---|
| CN (1) | CN108278764B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204388318U (en) * | 2014-12-24 | 2015-06-10 | 广东美的制冷设备有限公司 | For air-conditioner wind guiding component and there is its air-conditioner |
| CN204943828U (en) * | 2015-08-25 | 2016-01-06 | 深圳创维空调科技有限公司 | A kind of wind deflector transmission device and air-conditioner thereof |
| CN106016659A (en) * | 2016-07-06 | 2016-10-12 | 珠海格力电器股份有限公司 | Air guide mechanism and air conditioner with same |
| CN107044723A (en) * | 2016-12-26 | 2017-08-15 | 奥克斯空调股份有限公司 | Floor air conditioner air-out window assembly |
| CN208269372U (en) * | 2018-03-26 | 2018-12-21 | 珠海格力电器股份有限公司 | Hole bit architecture and wind-guiding connecting rod, crankshaft and air conditioner for being rotatably assorted |
-
2018
- 2018-03-26 CN CN201810250777.1A patent/CN108278764B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204388318U (en) * | 2014-12-24 | 2015-06-10 | 广东美的制冷设备有限公司 | For air-conditioner wind guiding component and there is its air-conditioner |
| CN204943828U (en) * | 2015-08-25 | 2016-01-06 | 深圳创维空调科技有限公司 | A kind of wind deflector transmission device and air-conditioner thereof |
| CN106016659A (en) * | 2016-07-06 | 2016-10-12 | 珠海格力电器股份有限公司 | Air guide mechanism and air conditioner with same |
| CN107044723A (en) * | 2016-12-26 | 2017-08-15 | 奥克斯空调股份有限公司 | Floor air conditioner air-out window assembly |
| CN208269372U (en) * | 2018-03-26 | 2018-12-21 | 珠海格力电器股份有限公司 | Hole bit architecture and wind-guiding connecting rod, crankshaft and air conditioner for being rotatably assorted |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108278764A (en) | 2018-07-13 |
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