CN2634154Y - Hub of fan and shaft core connector - Google Patents
Hub of fan and shaft core connector Download PDFInfo
- Publication number
- CN2634154Y CN2634154Y CN 03263597 CN03263597U CN2634154Y CN 2634154 Y CN2634154 Y CN 2634154Y CN 03263597 CN03263597 CN 03263597 CN 03263597 U CN03263597 U CN 03263597U CN 2634154 Y CN2634154 Y CN 2634154Y
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- CN
- China
- Prior art keywords
- axle center
- wheel hub
- fan
- concave surface
- hollow slot
- 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.)
- Expired - Lifetime
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Abstract
A hub of fan and shaft core connector comprises a ceramic shaft core and a hub arranged on the top of the shaft core. The shaft core is provided with a top surface, a first concave surface which is not flush with the top surface, and a first sunken groove is arranged in the first concave surface. The hub has a body which is in complete seal connection with the top surface and the first concave surface of the shaft core, thereby enabling the first sunken groove not to be directly exposed in the external environment. Because of the first concave surface, the utility model increases the connection surface area between the shaft core and the hub, improves the bond strength between the shaft core and the hub, and realizes the aim of improving the bond strength between the shaft core and the hub without a plurality of processing procedures, thereby preventing the shaft core from easily breaking away from the hub during high-speed rotation.
Description
Technical field
The utility model relates to a kind of wheel hub and axle center combination, particularly relates to a kind of wheel hub and axle center combination that is installed in the fan.
Background technique
Heater element that is used in a large number such as microprocessor are fast because of running speed at present, when work, relatively produce higher temperature, the fan that tradition adopts metal shaft to make can't adapt to the demand of this kind heater element, mainly be because metal shaft can produce high temperature under situation about running up, the running speed of fan must be restricted, moreover the life-span of metal shaft also shortens relatively under hot environment, so now existing manufacturer uses the made axle of stupalith instead and is substituted, utilize pottery hard, the characteristic of wear-resisting heat resistanceheat resistant, significantly promote the rotating speed of fan, to reach comparatively desirable radiating effect.
Yet the smooth surface of stupalith, friction factor is low, when fan running, be easy to break away from because of the wheel hub of centrifugal force from fan, cause skidding, part manufacturer just attempts moulding embossing on porcelain shaft, hope intimate engagement during by the wheel hub ejection formation of embossing that increases the porcelain shaft surface and fan is improved this disappearance.But in practical application, be subject to stupalith hardness height, the texture machine that applies to metal material at present can't directly carry out operation on porcelain shaft, be not inconsistent economic benefit even carry out the time and the cost of the required cost of embossing work reluctantly, thereby be not best solution pattern.
As shown in Figure 1, 2, a kind of existing fan porcelain shaft adapter structure provides a kind of settling mode at aforementioned disappearance, promptly at the metal ring set 14 of the sheathed friction factor of porcelain shaft 13 1 ends greater than porcelain shaft 13, wherein, one inner ring surface 141 of this metal ring set 14 is the embossing moulding, and an also embossing moulding of outer ring surface 142 of this metal ring set 14, so as to increasing the friction factor of this inside and outside anchor ring 141,142.This metal ring set 14 is to be socketed in an end of this porcelain shaft 13 and to provide one to tighten power in friction tight mode, and metal ring set 14 combines with the wheel hub 12 common ejection formations of fan 10 whereby.
This metal ring set 14 is by interior, outer ring surface 141,142 moulding embossings are to increase the friction factor of surface of contact, and combine during the common ejection formation of the wheel hub 12 of the outer ring surface 142 that cooperates this metal ring set 14 and fan 10, reach the effect of wheel hub 12 difficult drop-offs that make this porcelain shaft 13 and fan 10, the metal ring set 14 yet each finished product must be arranged in pairs or groups, in addition must be in metal ring set 14, outer ring surface 141,142 mold the embossing that can improve friction factor, just outside general procedure, still need additionally to add the twice machining clearance, can produce the porcelain shaft 13 that firmly combines with the wheel hub 12 of fan 10, not only cause the elongation of process time, make the also relatively significantly increase of metal ring set 14 needed costs and time separately.
The model utility content
The purpose of this utility model is for a kind of preferable adhesive strength that has is provided, and the wheel hub and the axle center combination of the more easy fan of processing.
For achieving the above object, the wheel hub of the utility model fan and axle center combination comprise the wheel hub that a ceramic axle center and is arranged on this top, axle center.This axle center has an end face and and does not flush first concave surface in this end face, and this first concave surface is provided with one first hollow slot.One body of this wheel hub is to link with the end face in this axle center and the first concave surface driving fit, so that this first hollow slot is not to be exposed to the external world.
The utility model is by the body of this wheel hub fit the fully end face and first concave surface in this axle center, make the body of this wheel hub can increase with the connected surfaces in this axle center long-pending, so as to promoting the adhesive strength between this wheel hub, axle center, this axle center is difficult to come off from this wheel hub and make.
Description of drawings
Be elaborated below by most preferred embodiment and accompanying drawing wheel hub and axial group zoarium to the utility model fan, wherein:
Fig. 1 is a three-dimensional exploded view of existing fan porcelain shaft adapter structure;
Fig. 2 is a sectional view of this fan porcelain shaft adapter structure;
Fig. 3 is a user mode sectional view, and the preferred embodiment that the wheel hub of the utility model fan and axle center combination be described is installed in the situation in the fan;
Fig. 4 is another sectional view of this preferred embodiment, illustrates that the wheel hub of fan is adjacent one another are and is communicated with one second hollow slot with one first hollow slot of axle center combination;
Fig. 5 is a sectional view, illustrates that this first hollow slot is to be connected toward each other and not with this second hollow slot in another preferred embodiment of the wheel hub of the utility model fan and axle center combination;
Fig. 6 is a sectional view, illustrates that this first hollow slot is to be the hexagonal cylindricality in the preferred embodiment again of the wheel hub of the utility model fan and axle center combination.
For convenience of explanation, following embodiment, components identical is represented with identical label.
Embodiment
Shown in Fig. 3,4, a preferred embodiment of the wheel hub of the utility model fan and axle center combination 2 is suitable for being installed in the fan 3, and this fan 3 has a base 31 and and is installed in stator 32 on this base 31.The wheel hub of this fan and axle center combination 2 comprise a ceramic axle center 21 that wore this stator 32, and a wheel hub 22.
This axle center 21 has an end face 211, a radial ring side face 212, does not flush first concave surface 213 in this end face 211, and second concave surface 214 that does not flush in this end face 211.This ring side face 212 is recessed to form a circular groove 215 that is positioned at these end face 211 belows.
This first concave surface 213 is provided with one first hollow slot 216, and this second concave surface 214 is provided with one second hollow slot 217, and this first and second concave surface the 213, the 214th, is closely adjacent to each other, and this first and second hollow slot the 216, the 217th is connected and general semicircular in shape again.This wheel hub 22 is that the position is at these 21 tops, axle center and have a cross section and generally be inverted U-shaped body 221.
The wheel hub of the utility model fan and axle center combination 2 are when making, be to produce this axle center 21 with stupalith earlier, and this axle center 21 is inserted one plasticly go out the mould of this wheel hub 22 (for ease of explanation, do not draw among the figure) in, the mode that penetrates with plastic cement molds this wheel hub 22, make that this body 221 is the end faces 211 that closely are attached at this axle center 21, first concave surface 213 and second concave surface 214, and complete filling is in this first hollow slot 216, in second hollow slot 217 and the circular groove 215, treat that these wheel hub 22 moulding finish, can obtain the wheel hub and the axle center combination 2 of the utility model fan, wherein, this first, two hollow slots 216,217 and this circular groove 215 all coated and be not exposed in the external environment by this body 221.
By not flushing in first of this end face 211, two concave surfaces 213,214, make the utility model at this end face 211, under the cooperation of first concave surface 213 and second concave surface 214, when body 221 moulding of this wheel hub 22, plastic material can flow into respectively by this first, two concave surfaces 213,214 defined first, two hollow slots 216, in 217, the plastic material of a part flows in this circular groove 215 simultaneously, cause this axle center 21 from the part of this circular groove more than 215, i.e. this end face 211, first concave surface 213, second concave surface 214 and part are encircled side face 212 and are all coated fully by this body 221, and the connected surfaces that can improve 21 in the body 221 of this wheel hub 22 and this axle center really greatly amasss.
On the other hand, these ring side face 212 formed circular grooves 215 are coated by this body 221, make when this axle center 21 and wheel hub 22 carry out the coaxial rotation of high speed with respect to this stator 32, this axle center 21 is subjected to the closely clamping and can't produce radially arbitrary motion of this body 221, thus, 221 of this axle center 21 and this bodies can't produce loose combination force, make this axle center 21 not get loose from the body 221 of this wheel hub 22 easily, cause this wheel hub 22 and axle center 21 to separate and can't use.
The utility model utilizes first of this axle center 21, two concave surfaces 213, the connected surfaces that the body of 214 liftings and this wheel hub 22 is 221 is long-pending, this body 221 of arranging in pairs or groups simultaneously coats the circular groove 215 in this axle center 21 from the outside, can guarantee the connection relationship in 21 in this wheel hub 22 and this axle center, overcome the sliding problem between dissimilar materials, and and then limit endwisely slipping of this axle center 21, fully as described above as the prior art by adding other members (as the metal ring set) with indirect binding axle center 21 and wheel hub 22, so do not need end face 211 in this axle center 21, the 212 machine shaping embossing of ring side face, not only can save time and the cost of making other member separately, more can under the situation of few processing, produce the finished product that meets the requirements, save the expenditure on time cost and the cost of material.
As shown in Figure 5, another preferred embodiment of the wheel hub of the utility model fan and axle center combination 2 roughly is equal to an embodiment, difference is only one: this first and second concave surface 213,214 is also non-conterminous each other, and this first and second hollow slot the 216, the 217th generally is fan-shaped respectively, and is communicated with toward each other and not.
Present embodiment is long-pending with the contact surface that increases by 221 of this axle center 21 and this bodies by this first and second concave surface 213,214 equally, but because first and second concave surface the 213, the 214th of present embodiment is not adjacent to each other, provide multilist area more to adhere to so can go up an embodiment for the plastic material of the body 221 that molds this wheel hub 22, going up an embodiment relatively more can increase the combined surface area of 21 of this wheel hubs 22, axle center, and then strengthens the adhesive strength in 21 in this wheel hub 22 and axle center effectively.
Be illustrated in figure 6 as a preferred embodiment more of the present utility model, implementing difference with the first two is: this axle center 21 only have first concave surface 213 ', and up by this first concave surface 213 ' formed first hollow slot 216 ' be opening, and this first hollow slot 216 ' be to be the hexagonal cylindricality, utilize the end face (not drawing among the figure) in this axle center 21 and the combined surface area in first concave surface 213 ' match this wheel hub 22 of raising and axle center 21, certainly, this first hollow slot 216 ' also can be triangle cylindricality, quadrangular prism shape, or other polygon corner post shapes, cylindric in addition first hollow slot 216 ' also be can meet to increase the long-pending effect of connected surfaces.
Conclude above-mentioned, the wheel hub of the utility model fan and axle center combination 2 utilize first and second concave surface 213,213 ', 214 to increase this axle center 21 long-pending with the connected surfaces of this wheel hub 22, thereby promote the combination force in 22 in this axle center 21, wheel hub, and the body by this wheel hub 22 21 coats these circular grooves 215 and avoids this axle center 21 radially to break away from from this wheel hub 22, so can reach the utility model purpose really.
Claims (10)
1. the wheel hub of a fan and axle center combination, comprise the wheel hub that a ceramic axle center and is arranged at this top, axle center, this axle center has an end face, it is characterized in that: more there is first concave surface that does not flush this end face in this axle center, this first concave surface is provided with one first hollow slot, one body of this wheel hub is and the end face and the complete driving fit binding of first concave surface in this axle center, makes this first hollow slot not be exposed in the external environment.
2. the wheel hub of fan and axle center combination according to claim 1, it is characterized in that: this axle center has more second concave surface that does not flush in this end face, this second concave surface is provided with one second hollow slot, and the body driving fit of this wheel hub even is fixed in second concave surface and this second hollow slot is not exposed in the external environment.
3. the wheel hub of fan and axle center combination as claimed in claim 1 or 2, it is characterized in that: this axle center has more a radial ring side face, and a circular groove of being located at this ring side face, and the body driving fit of this wheel hub is placed in this circular groove.
4. as the wheel hub and the axle center combination of fan as described in the claim 2, it is characterized in that: this first and second concave surface is close to mutually and this first and second hollow slot is to communicate with each other.
5. as the wheel hub and the axle center combination of fan as described in the claim 2, it is characterized in that: this first and second hollow slot all is fan-shaped, and is communicated with toward each other and not.
6. the wheel hub of fan and axle center combination according to claim 1, it is characterized in that: the opening of this first hollow slot is towards the top.
7. the wheel hub of fan and axle center combination according to claim 1, it is characterized in that: this first hollow slot is to be quadrangular prism shape.
8. as the wheel hub and the axle center combination of fan as described in the claim 6, it is characterized in that: this first hollow slot is to be the triangle cylindricality.
9. as the wheel hub and the axle center combination of fan as described in the claim 6, it is characterized in that: this first hollow slot is to be polygon corner post shape.
10. as the wheel hub and the axle center combination of fan as described in the claim 6, it is characterized in that: this first hollow slot is to be cylindric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03263597 CN2634154Y (en) | 2003-06-26 | 2003-06-26 | Hub of fan and shaft core connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03263597 CN2634154Y (en) | 2003-06-26 | 2003-06-26 | Hub of fan and shaft core connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2634154Y true CN2634154Y (en) | 2004-08-18 |
Family
ID=34297100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03263597 Expired - Lifetime CN2634154Y (en) | 2003-06-26 | 2003-06-26 | Hub of fan and shaft core connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2634154Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100582493C (en) * | 2005-06-10 | 2010-01-20 | 台达电子工业股份有限公司 | Fan and its rotor |
-
2003
- 2003-06-26 CN CN 03263597 patent/CN2634154Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100582493C (en) * | 2005-06-10 | 2010-01-20 | 台达电子工业股份有限公司 | Fan and its rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130626 Granted publication date: 20040818 |