CN206904191U - Swing arm gear and air conditioner - Google Patents
Swing arm gear and air conditioner Download PDFInfo
- Publication number
- CN206904191U CN206904191U CN201720873172.9U CN201720873172U CN206904191U CN 206904191 U CN206904191 U CN 206904191U CN 201720873172 U CN201720873172 U CN 201720873172U CN 206904191 U CN206904191 U CN 206904191U
- Authority
- CN
- China
- Prior art keywords
- swing arm
- arm gear
- gear
- pin hole
- external flange
- Prior art date
- 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.)
- Withdrawn - After Issue
Links
- 229920006324 polyoxymethylene Polymers 0.000 claims description 7
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Gears, Cams (AREA)
Abstract
The utility model provides a swing arm gear and air conditioner. The swing arm gear comprises a gear body and teeth arranged on the periphery of the gear body, wherein needle embedding holes are formed in the teeth. The utility model discloses a swing arm gear and air conditioner can prevent that tooth inside shrinkage cavity phenomenon from appearing, guarantees the utility model provides a swing arm gear is whole to be difficult to warp for tooth inside does not have the shrinkage cavity, and swing arm gear long-term operation is not damaged, and intensity is effectively improved.
Description
Technical field
Air-conditioning technical field is the utility model is related to, in particular to a kind of swing arm gear and air conditioner.
Background technology
Gradually stepped up with the aesthetic conceptions of people, sliding door series cabinet-type air conditioner commercially enjoys an increasingly big demand.Slide gate series
The advantage of cabinet-type air conditioner is not only in that attractive appearance, also resides in its brand-new air-out design, is designed using full-automatic sliding door, shut down shape
Under state, small door-plate closes automatically, effectively prevents dust from entering, luxurious attractive in appearance.
Door mechanism uses triangular motion mechanism, drives binodal pinion rotation by motor, and then pass through a left side
Right swing arm gear movement makes small door-plate move up and down.
Existing swing arm gear is that POM expects moulding, and product gear position is partially thick, the risk of shrink be present, serious to shrink
Gear position shrinkage cavity can be caused, influence gear side view, structure and intensity, easily receive and complain gear breaking to ask after sale
Topic.
Utility model content
Main purpose of the present utility model is to provide a kind of swing arm gear and air conditioner, to solve pendulum of the prior art
Easily there is the problem of shrinkage cavity phenomenon in arm gear.
To achieve these goals, according to one side of the present utility model, there is provided a kind of swing arm gear, including tooth
Wheel, gear include body and are arranged on the teeth of body peripheral, and pin hole is provided with teeth.
Further, the outward flange of body is provided with annular external flange, and teeth are arranged on the remote body of annular external flange
Side on, annular external flange protrudes from the first side and second side of body respectively, annular external flange it is circumferentially-spaced
It is provided with multiple pin holes.
Further, pin hole is blind hole.
Further, axially or radially extension of the pin hole along gear.
Further, the bottom of blind hole is in circular arc, with 0.5 ° to 2 ° between the side wall of blind hole and the axis of blind hole
Drafting angle.
Further, swing arm gear also includes swing arm, swing arm and annular external flange integrally connected, swing arm and annular external flange
The depth in the pin hole at link position is in the range of 5.4mm to 5.8mm, swing arm and the edge at annular external flange link position
The aperture of pin hole is in the range of Φ 1.2 to Φ 1.4.
Further, the depth in the pin hole in annular external flange is in the range of 6.4mm to 6.8mm, annular external flange
On pin hole aperture in the range of Φ 1.7 to Φ 2.1.
Further, swing arm gear is polyformaldehyde plastic parts.
According to another aspect of the present utility model, there is provided a kind of air conditioner, including swing arm gear, swing arm gear are above-mentioned
Swing arm gear.
Using the technical solution of the utility model, due to being provided with pin hole in the teeth in the utility model, the pin
Hole and the Integral synchronous injection molding of swing arm gear, by the effect in the pin hole, enable to teeth is located at the pin hole
The thickness of periphery tends to be uniform in space, so, after swing arm gear is completed in injection, can cause the cooling speed inside and outside teeth
Degree reaches unanimity, and can prevent occurring shrinkage cavity phenomenon inside teeth, ensures that the swing arm gear in the utility model is integrally not easy
Deformation so that without shrinkage cavity inside teeth, operating is not damaged for a long time for swing arm gear, and intensity effectively improves.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not form to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 diagrammatically illustrates the front view of swing arm gear of the present utility model；
Fig. 2 diagrammatically illustrates the A-A views in Fig. 1；And
Fig. 3 diagrammatically illustrates the B-B views in Fig. 1.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, swing arm；20th, gear；21st, body；22nd, annular external flange；23rd, teeth；30th, pin hole.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so that presently filed embodiment described herein for example can be with except herein
Order beyond those of diagram or description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment not
Be necessarily limited to those steps or the unit clearly listed, but may include not list clearly or for these processes, side
The intrinsic other steps of method, product or equipment or unit.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
Referring to shown in Fig. 1 to Fig. 3, according to embodiment of the present utility model, there is provided a kind of swing arm gear, in the present embodiment
Swing arm gear include gear 20 and swing arm 10, one end of swing arm 10 is connected with the side of gear 20, and gear 20 includes body 21
With the teeth 23 for being arranged on the periphery of body 21, pin hole 30 is provided with the teeth 23 in the present embodiment.
Due to being provided with pin hole 30 in the teeth 23 in the present embodiment, the pin hole 30 and the Integral synchronous of swing arm gear
Injection molding, by the effect in the pin hole 30, the thickness positioned at the periphery of pin hole 30 of teeth 23 is enabled in space
Inside tend to be uniform, so, after swing arm gear is completed in injection, the cooling velocity inside and outside teeth 23 can be caused to reach unanimity, energy
Enough prevent occurring shrinkage cavity phenomenon inside teeth 23, it is yielding to ensure that the swing arm gear in the present embodiment is not allowed integrally so that teeth
Without shrinkage cavity inside 23, operating is not damaged for a long time for swing arm gear, and intensity effectively improves.
Shrinkage cavity in the present embodiment refers to：After injection, plastic surface first cools down plastic cement, is cooled down after internal, cold
But the hole pullled out in shrinking.Pin hole refers to：The acicular pores as caused by mould pin.
It can be seen that the swing arm gear in the present embodiment can solve the problems, such as the internal shrinkage of swing arm gear teeth 23, optimize swing arm
Gear structure, make the uniform wall thickness of teeth 23, ensure that teeth 23 have sufficient intensity, operate for a long time not broken.
The outward flange of body 21 in the present embodiment is provided with annular external flange 22, passes through the work of the annular external flange 22
With being easy to ensure the bulk strength of the swing arm gear in the present embodiment, during design, teeth 23 are arranged on the remote of annular external flange 22
On side from body 21, annular external flange 22 protrudes from the first side and second side of body 21, annular external flange respectively
22 circumferentially-spaced is provided with multiple pin holes 30, passes through circumferentially disposed multiple pin holes 30 along annular external flange 22
Effect, can ensure the thickness positioned at the periphery of pin hole 30 of annular external flange 22 tends to be uniform in space, prevents from contracting
The appearance of hole phenomenon, ensure the bulk strength of swing arm gear, solve the problems, such as swing arm gear spoke internal shrinkage, optimize swing arm gear
Structure, make uniform wall thickness, ensure gear bulk strength, it is indeformable, it is internal not damaged without shrinkage cavity, long-term operating.
Preferably, the pin hole 30 in the present embodiment is blind hole, avoids pin hole 30 by teeth 23 or annular external flange
22 run through and reduce the bulk strength of the swing arm gear in the present embodiment.
Preferably, the pin hole 30 in the present embodiment is convenient for out modulo operation along the axially extending of gear 20, certainly,
In other embodiment of the present utility model, pin hole 30 can also radially extending along gear 20, as long as it is new in this practicality
Other modes of texturing under the design of type, within the scope of protection of the utility model.
The bottom of blind hole in the present embodiment is circular arc, has 0.5 ° to 2 ° between the side wall of blind hole and the axis of blind hole
Drafting angle, be convenient for mould withdrawing pattern operation.
Preferably, the depth in the pin hole 30 in the present embodiment is in the range of 5.4mm to 5.8mm, such as 5.6mm, edge
The aperture of pin hole 30 is in the range of Φ 1.2 to Φ 1.4, such as Φ 1.3, be easy to ensure the present embodiment in swing arm gear it is whole
Body intensity.
As shown in table 1, table 1 shows stress (ansys) analysis contrast of the pin hole 30 under different pore size and depth.
Table 1
According to above-mentioned contrast it is recognised that the aperture in the pin hole 30 in the present embodiment is preferably Φ 1.3, depth is preferred
For 5.6mm.
Swing arm 10 and the size at the link position of annular external flange 22 are larger, therefore, during design so that swing arm 10 and annular
The depth in the pin hole 30 at the link position of outward flange 22 is in the range of 6.4mm to 6.8mm, such as 6.6mm, and aperture is in Φ
In the range of 1.7 to Φ 2.1, such as 1.9mm.
Swing arm gear in the present embodiment is polyformaldehyde plastic parts, and polyformaldehyde plastic material is that a kind of surface is smooth, has light
The hard and fine and close material in pool.Product strength, rigidity are high, and anti-attrition wearability is good, excellent in mechanical performance, intensity up to 50.5MPa,
Rigidity is sufficiently close to, fatigue strength is high, and resistance to repeated stock is strong, has self lubricity, and size is more steady up to 2650MPa with metal
It is fixed.
According to another embodiment of the present utility model, there is provided a kind of air conditioner, including swing arm gear, swing arm gear are upper
The swing arm gear stated.
According to the third embodiment of the present utility model, there is provided a kind of preparation method of swing arm gear, swing arm gear
Preparation method, which is used to make, forms above-mentioned swing arm gear.Specifically, the preparation method of the swing arm gear of the present embodiment uses
Polyformaldehyde plastic material is molded to form above-mentioned swing arm gear in a mold, is provided with mould for the teeth in swing arm gear
23 and annular external flange 22 on form the pin in pin hole 30.
The side withdrawing pattern number of degrees of pin in the present embodiment are in the range of 0.5 ° to 2 °, such as 1 °, are convenient for withdrawing pattern
Operation.The head of pin is provided with chamfering, is easy to walk glue, prevents swing arm gear from stress concentration occur.Chamfering is preferably rounding
Angle.
It is molded in a mold before forming swing arm gear using polyformaldehyde plastic material, first has to be polished pin at place
Reason, further prevents swing arm gear from stress concentration occur.During mould inside processing, by for forming the multiple of multiple pin holes 30
Pin is fixedly installed on same mold insert, can ensure that each pin position is accurate when mould assembles, be easy to mould assemble and after
Phase repairs.
Pin in the present embodiment is made of SKD61 or SKH51 die steels, and intensity is high, and stability is good.
As can be seen from the above description, the utility model the above embodiments realize following technique effect：This reality
With new swing arm gear optimization swing arm gear teeth, spoke wall thickness, make its tooth, spoke uniform wall thickness, solve swing arm gear tooth
Tooth, spoke Shrinkage Problem, improve product strength, Improving The Quality of Products.
Preferred embodiment of the present utility model is these are only, is not limited to the utility model, for this area
Technical staff for, the utility model can have various modifications and variations.It is all within the spirit and principles of the utility model,
Any modification, equivalent substitution and improvements made etc., should be included within the scope of protection of the utility model.
Claims (9)
1. a kind of swing arm gear, it is characterised in that including gear (20), the gear (20) includes body (21) and is arranged on institute
The teeth (23) of body (21) periphery are stated, pin hole (30) is provided with the teeth (23).
2. swing arm gear according to claim 1, it is characterised in that the outward flange of the body (21) is provided with outside annular
Flange (22), the teeth (23) are arranged on the side of the remote body (21) of the annular external flange (22), described
Annular external flange (22) protrudes from the first side and second side of the body (21) respectively, the annular external flange (22)
It is circumferentially-spaced to be provided with multiple pin holes (30).
3. swing arm gear according to claim 1 or 2, it is characterised in that the pin hole (30) is blind hole.
4. swing arm gear according to claim 1 or 2, it is characterised in that the pin hole (30) is along the gear (20)
Axially or radially extension.
5. swing arm gear according to claim 3, it is characterised in that the bottom of the blind hole is in circular arc, the blind hole
Side wall and the blind hole axis between there is 0.5 ° to 2 ° of drafting angle.
6. swing arm gear according to claim 2, it is characterised in that the swing arm gear also includes swing arm (10), described
At swing arm and the annular external flange (22) integrally connected, the swing arm (10) and the annular external flange (22) link position
In the range of 5.4mm to 5.8mm, the swing arm (10) connects the depth of the pin hole (30) with the annular external flange (22)
The aperture of the pin hole (30) of opening position is connect in the range of Φ 1.2 to Φ 1.4.
7. swing arm gear according to claim 2, it is characterised in that the pin hole on the annular external flange (22)
(30) in the range of 6.4mm to 6.8mm, the aperture of the pin hole (30) on the annular external flange (22) exists depth
In the range of Φ 1.7 to Φ 2.1.
8. swing arm gear according to claim 1, it is characterised in that the swing arm gear is polyformaldehyde plastic parts.
9. a kind of air conditioner, including swing arm gear, it is characterised in that the swing arm gear is any one of claim 1 to 8 institute
The swing arm gear stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720873172.9U CN206904191U (en) | 2017-07-17 | 2017-07-17 | Swing arm gear and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720873172.9U CN206904191U (en) | 2017-07-17 | 2017-07-17 | Swing arm gear and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206904191U true CN206904191U (en) | 2018-01-19 |
Family
ID=61311650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720873172.9U Withdrawn - After Issue CN206904191U (en) | 2017-07-17 | 2017-07-17 | Swing arm gear and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206904191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461477A (en) * | 2017-07-17 | 2017-12-12 | 格力电器（武汉）有限公司 | Swing arm gear, manufacturing method of swing arm gear and air conditioner |
-
2017
- 2017-07-17 CN CN201720873172.9U patent/CN206904191U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461477A (en) * | 2017-07-17 | 2017-12-12 | 格力电器（武汉）有限公司 | Swing arm gear, manufacturing method of swing arm gear and air conditioner |
| CN107461477B (en) * | 2017-07-17 | 2024-02-27 | 格力电器（武汉）有限公司 | Swing arm gear manufacturing method of swing arm gear and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180119 Effective date of abandoning: 20240227 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180119 Effective date of abandoning: 20240227 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |