CN202991600U - Elastic washer of controlling axial gap for air blower of car air conditioner - Google Patents
Elastic washer of controlling axial gap for air blower of car air conditioner Download PDFInfo
- Publication number
- CN202991600U CN202991600U CN 201220629334 CN201220629334U CN202991600U CN 202991600 U CN202991600 U CN 202991600U CN 201220629334 CN201220629334 CN 201220629334 CN 201220629334 U CN201220629334 U CN 201220629334U CN 202991600 U CN202991600 U CN 202991600U
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- elastic washer
- ring
- snap close
- lining ring
- washer
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Abstract
The utility model relates to an elastic washer of controlling an axial gap for an air blower of a car air conditioner. The elastic washer comprises a positioning ring gasket, a tapered elastic washer and a locking ring gasket, wherein an annular convex pressed surface is arranged at the middle position of one side of the positioning ring gasket; the outer circle at the edge of the positioning ring gasket is provided with two positioning ports which are symmetrical with respect to the center of the circle and run through two round surfaces along an axial line; the locking ring gasket is a round chip with a locking outer ring at the outer circumference and a locking inner hole at the central position; the step of the locking outer ring is provided with two locking arms which extend along the axial direction and are symmetrical with respect to the axial direction; a locking buckle is arranged at the terminal end of each locking arm; the tapered elastic washer is substantially a truncated cone; the inner ring of the tapered elastic washer is provided with a key slot for extending along the radial direction; and an elastic inner ring with an internal spline shaped section is formed at the inner ring.
Description
Technical field
The utility model belongs to car air conditioner air blast Control Shaft packing ring field, particularly relates to a kind of blower for vehicle air conditioning with the elastic washer of controlling axial clearance.
Background technique
Due to expanding with heat and contract with cold of Parts Materials, can make rotor axially produce stuck phenomenon, when stator forms motor therefore rotor is packed into, axially must leave certain gap.What adopt at present mostly is that the mode of graphite nylon spacer or wave-shaped ring is controlled axial clearance.For example be arranged on the air conditioner blower on automobile, interstice coverage is generally 0.05mm～0.4mm.For guaranteeing interstice coverage, usually adopt multi-disc graphite nylon washer to adjust between rotor end and oil-impregnated bearing during assembling.But owing to can send frictional noise between packing ring, simultaneously processing cost high, cause the problems such as assembly technology is cumbersome.Simultaneously due in air conditioner blower installation and automobile, in vehicle traveling process, jolting of automobile makes air conditioner blower be in vibrational state always, and has axial clearance between the rotor of blower and stator, so tend to cause the play that produces due to axial clearance to bring noise problem.
How to guarantee that blower has the gap axially installing, can avoid again the running noise problem due to generation of vibration, become the essential problem that solves of the relevant personnel.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of blower for vehicle air conditioning elastic washer of controlling axial clearance, this gasket assembly can be regulated the gap effectively, can avoid again the direct current generator axial float that causes because of the gap, improve simultaneously assembly technology.
The technological scheme that its technical problem that solves the utility model adopts is: the elastic washer of a kind of blower for vehicle air conditioning with control axial clearance is provided, comprise location lining ring, tapered elastic washer and snap close lining ring, described location lining ring be one with the disk of central bore, the one side interposition of described location lining ring is equipped with the outstanding compression face of an annular, have on the outer ring of described location lining ring edge two symmetrical and run through the positioning port of two discs along axis about the center of circle; Described snap close lining ring is to be equipped with the disk of a snap close endoporus on an excircle with snap close outer ring, centre bit, snap close outer ring part exceeds the inboard step that forms on a disc of snap close lining ring, there are two to extend vertically and with the lock catch arm of axial symmetry on the step of described snap close outer ring, the end of described two lock catch arms respectively has a snap close, and the hook direction of described snap close is inside; Described tapered elastic washer becomes the taper shape of decaptitating substantially, and described tapered elastic washer inner ring has and radially prolongs living keyway, forms an internal spline sectional shape elasticity inner ring at inner ring; Described tapered elastic washer is contained in the one side of snap close lining ring indent, covers the location lining ring, and will locate lining ring and be pressed in snap close.
Described lock catch arm has axial locator protrusions on inboard face mutually, and when having the breach that matches with locator protrusions, tapered elastic washer to be contained in the one side of snap close lining ring indent on the elastic housing washer of described tapered elastic washer, the elastic housing washer breach is stuck on locator protrusions.
Described tapered elastic washer is made by elastic material.
Described tapered elastic washer is made by spring steel.
Design of the present utility model is: according to elastic principle, design a kind of elastic washer assembly, comprise a location lining ring, a tapered elastic washer, a fore shaft lining ring.The location lining ring is fixed on the blower rotor axle, and the fore shaft lining ring is fixed by fore shaft, bayonet socket and location lining ring, and tapered elastic washer is placed between location lining ring and fore shaft lining ring, and is embedded in fore shaft lining ring groove.When rotor rotates, rotor with locate lining ring and drive the fore shaft lining ring, elastic washer rotates together, has avoided the friction between lining ring of elastic washer and location.The effect of tapered elastic washer is to utilize its elasticity to regulate the fit up gap, guarantees not to be stuck when part expands with heat and contract with cold, and eliminates simultaneously the noise problem that blower causes due to vibration.
Beneficial effect
The advantage of the new shape of this practicality is:
1, high resilience, during assembling, tapered packing ring can effectively be regulated the axial clearance of blower, is convenient to the assembling of air blast direct current generator.
2, by buckle structure, be that it becomes one structure, be convenient to actual production and install, effectively improve efficiency of assembling and improve process control.
3, when the real vehicle sport car, rely on the axial clearance of the amount of deformation elimination blower machine of elastic washer, avoid the axial float of blower, eliminate noise of motor.
4, with the elastic washer component replace of an integral body existing a plurality of packing rings, simple in structure, volume is little.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation that the utility model disassembles.
Fig. 3 is that the utility model is arranged on the work schematic diagram on blower.
Fig. 4 is the local enlarged diagram that Fig. 3 A is ordered.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiments only to be used for explanation the utility model and be not used in restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
As shown in Figures 1 to 4, a kind of blower for vehicle air conditioning elastic washer of controlling axial clearance, comprise location lining ring 1, tapered elastic washer 2 and snap close lining ring 3, described location lining ring 1 be one with the disk of central bore 103, the one side interposition of described location lining ring 1 is equipped with the outstanding compression face 102 of an annular, have on the outer ring 101 of described location lining ring 1 edge two symmetrical and run through the positioning port 104 of two discs along axis about the center of circle; Described snap close lining ring 3 is to be equipped with the disk of a snap close endoporus 302 on an excircle with snap close outer ring 301, centre bit, snap close outer ring 301 parts exceed the inboard step that forms on a disc of snap close lining ring 3, there are two to extend vertically and with the lock catch arm 303 of axial symmetry on the step of described snap close outer ring 301, the end of described two lock catch arms 303 respectively has a snap close 304, and the hook direction of described snap close 304 is inside; Described tapered elastic washer 2 becomes the taper shape of decaptitating substantially, and described tapered elastic washer 2 inner rings have and radially prolong living keyway 204, form an internal spline sectional shape elasticity inner ring 203 at inner ring; Described tapered elastic washer 2 is contained in the one side of snap close lining ring 3 indents, covers location lining ring 1, and will locate lining ring 1 and be pressed in snap close 304.
Described lock catch arm 303 has axial locator protrusions on inboard face mutually, on the elastic housing washer 201 of described tapered elastic washer 2, the breach that matches with locator protrusions is arranged, when tapered elastic washer 2 was contained in the one side of snap close lining ring 3 indents, elastic housing washer 201 breach were stuck on locator protrusions.
Described tapered elastic washer 2 is made by elastic material.
Described tapered elastic washer 2 is made by spring steel.
Tapered elastic washer 2 is packed in fore shaft lining ring 3, and location lining ring 1 is the tapered elastic washer 2 of precompressed and positioning port 104 is locked in fore shaft arm 303 in fore shaft lining ring 3 again, forms the elastic washer assembly.Be convenient to the blower rotor of packing into.This elastic washer assembly has dual mode when packing rotor into, and the one, location lining ring 1 endoporus and rotor shaft interference fit, fore shaft lining ring 3 endoporus and rotor shaft Spielpassung, the amount of deformation drive fore shaft lining ring by tapered elastic washer produces axial displacement on rotor shaft; The 2nd, location lining ring 1 endoporus and rotor shaft Spielpassung, fore shaft lining ring 3 endoporus and rotor shaft interference fit are located lining ring by the amount of deformation drive of tapered elastic washer and produce axial displacement on rotor shafts.
As shown in Figure 3, be the blower schematic diagram that axial elastic washer component is housed.During assembling, first will locate lining ring 1, elastic washer 2,3 three of fore shaft lining rings and be assembled into the elastic washer assembly; Join size requirements according to actual turning, can pack in rotor by mode 1 or mode 2.Assembly is inserted on the rotor shaft 4 of air blast direct current generator by the endoporus 103,203,302 of three, closely cooperates with rotor shaft 4, and synchronizes rotation with rotor shaft 4.
Because arc elastic packing ring 2 can deformation in whole assembly, therefore whole assembly is a whippy elastic washer.Axial elastic washer component is assemblied on the rotor shaft 4 of air blast direct current generator, relies on the amount of deformation of arc elastic packing ring 2 to regulate the fit up gap, be convenient to the assembling of blower.And when automobile real vehicle sport car, the amount of deformation of dependence arc elastic packing ring 2 absorbs the axial clearance of motor, avoids blower axial vibration or play, thereby eliminates noise of motor.
Claims (4)
1. a blower for vehicle air conditioning is with the elastic washer of controlling axial clearance, comprise location lining ring (1), tapered elastic washer (2) and snap close lining ring (3), it is characterized in that, described location lining ring (1) be one with the disk of central bore (103), the one side interposition of described location lining ring (1) is equipped with the outstanding compression face (102) of an annular, have on the outer ring (101) of described location lining ring (1) edge two symmetrical and run through the positioning port (104) of two discs along axis about the center of circle; Described snap close lining ring (3) is to be equipped with the disk of a snap close endoporus (302) on an excircle with snap close outer ring (301), centre bit, snap close outer ring (301) part exceeds the inboard step that forms on a disc of snap close lining ring (3), there are two to extend vertically and with the lock catch arm (303) of axial symmetry on the step of described snap close outer ring (301), the end of described two lock catch arms (303) respectively has a snap close (304), and the hook direction of described snap close (304) is inside; Described tapered elastic washer (2) becomes the taper shape of decaptitating substantially, and described tapered elastic washer (2) inner ring has and radially prolongs living keyway (204), forms an internal spline sectional shape elasticity inner ring (203) at inner ring; Described tapered elastic washer (2) is contained in the one side of snap close lining ring (3) indent, covers location lining ring (1), and will locate lining ring (1) and be pressed in snap close (304).
2. a kind of blower for vehicle air conditioning use according to claim 1 is controlled the elastic washer of axial clearance, it is characterized in that, described lock catch arm (303) has axial locator protrusions on inboard face mutually, on the elastic housing washer (201) of described tapered elastic washer (2), the breach that matches with locator protrusions is arranged, when tapered elastic washer (2) was contained in the one side of snap close lining ring (3) indent, elastic housing washer (201) breach was stuck on locator protrusions.
3. a kind of blower for vehicle air conditioning according to claim 1 with the elastic washer of controlling axial clearance, is characterized in that, described tapered elastic washer (2) is made by elastic material.
4. a kind of blower for vehicle air conditioning according to claim 3 with the elastic washer of controlling axial clearance, is characterized in that, described tapered elastic washer (2) is made by spring steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220629334 CN202991600U (en) | 2012-11-23 | 2012-11-23 | Elastic washer of controlling axial gap for air blower of car air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220629334 CN202991600U (en) | 2012-11-23 | 2012-11-23 | Elastic washer of controlling axial gap for air blower of car air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202991600U true CN202991600U (en) | 2013-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220629334 Expired - Fee Related CN202991600U (en) | 2012-11-23 | 2012-11-23 | Elastic washer of controlling axial gap for air blower of car air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202991600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889134A (en) * | 2014-10-24 | 2016-08-24 | 镇江汇龙电器有限公司 | Low-power fan rotor elastic vibration damper |
-
2012
- 2012-11-23 CN CN 201220629334 patent/CN202991600U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889134A (en) * | 2014-10-24 | 2016-08-24 | 镇江汇龙电器有限公司 | Low-power fan rotor elastic vibration damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20161123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |