CN207333439U - A kind of output shaft - Google Patents
A kind of output shaft Download PDFInfo
- Publication number
- CN207333439U CN207333439U CN201721418546.4U CN201721418546U CN207333439U CN 207333439 U CN207333439 U CN 207333439U CN 201721418546 U CN201721418546 U CN 201721418546U CN 207333439 U CN207333439 U CN 207333439U
- Authority
- CN
- China
- Prior art keywords
- heat
- thermal vias
- output shaft
- heat dissipation
- dissipation channel
- 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 - Fee Related
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Abstract
The utility model provides a kind of output shaft, belongs to field of mechanical technique.It solves the problems, such as existing output shaft short life.This output shaft includes cylindrical body, and bolt hole is offered in body both ends of the surface, and body wherein one end has external splines, has teeth in the middle part of body, has heat dissipation channel in body, heat dissipation channel both ends are respectively on two bolt hole bottom walls；There are several along the axial uniformly distributed heat-sink unit of body on the body other end, heat-sink unit is made of at least two and tapered thermal vias, thermal vias is axial axially perpendicular with body, thermal vias wherein Single port is connected with heat dissipation channel, thermal vias another port is located on body outer surface, thermal vias diameter is gradually reduced from body exterior to body interior, it is equipped with and matches with thermal vias and tapered heat carrier, heat carrier and body are fixed together by cone match sealing in each thermal vias.This output shaft has the advantages that long lifespan.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of output shaft.
Background technology
Output shaft is exactly the axis for exporting power, as motor is exactly to change electric power or hydraulic coupling or atmospheric pressure to move for machinery
Power, output shaft are exactly to transmit torque.
Existing output shaft is typically all to be connected to pass to realize with moving component by the teeth portion or spline part being provided thereon
Dynamic, during high-speed rotating, since the frictional force between the field of conjugate action is larger, relative velocity is big, causes region of engagement temperature high.
Generally lubricating oil can be scribbled in teeth portion or spline part, make to form oil film between the field of conjugate action, reduce abrasion.But due between the field of conjugate action
Friction cause temperature excessive, and easily make deterioration of lubricant, it is impossible to teeth portion or spline part sufficient lubrication, make between the field of conjugate action
Abrasion is more serious, influences the service life of output shaft.
Utility model content
The purpose of this utility model is that there are the above problem for existing technology, it is proposed that a kind of output shaft, solution
Technical problem is how to prolong the service life.
The purpose of this utility model can be realized by following technical proposal：A kind of output shaft, including the body being in the form of a column,
And bolt hole is offered in the both ends of the surface of body, wherein one end of the body has external splines, and the middle part of body has
One circle teeth, it is characterised in that there is the heat dissipation channel in strip, and the both ends difference position of heat dissipation channel in the body
In on the bottom wall of two bolts hole；There are several axially uniformly distributed heat-sink units along body on the other end of the body,
The heat-sink unit is made of at least two and tapered thermal vias, multiple scattered in same group of heat-sink unit
Heat through-hole is evenly distributed with along the circumferential direction of body, and the axial direction of thermal vias and the axial direction of body are perpendicular, the wherein Single port of thermal vias
Connected with above-mentioned heat dissipation channel, and the another port of thermal vias is located on the outer surface of body, the diameter of thermal vias by
Body exterior is gradually reduced to body interior, is equipped with and is matched with thermal vias and tapered in the thermal vias
Heat carrier, and heat carrier and body are fixed together by cone match sealing.
Under the cooperation of heat carrier and heat dissipation channel, the area that cooling effect is played on output shaft can be effectively increased, so that
Accelerate the radiating rate of output shaft, to reduce the temperature of output shaft and other component engagement places, to reduce output shaft abrasion, then
Extend the service life of this output shaft.
In above-mentioned output shaft, the thermal vias described in two is equipped with the heat-sink unit described in every group, positioned at same
In two heat carriers in one group of heat-sink unit, heating column is vertically fixed with the end face of one of heat carrier, heating column is located at
In heat dissipation channel, offer the socket to match with heating column on the end face of another heat carrier, and one end of heating column insert it is embedding
In socket.
Under heat carrier effect, two heat carriers in same group of heat-sink unit can both be connected, and increase heat conduction
The stability that body is positioned, and the contact area of conducting-heat elements and heat dissipation channel is increased, to further speed up radiating rate, so that
Effectively extend the service life of output shaft.
In above-mentioned output shaft, multiple recesses are offered on the side wall of the heating column.Using above-mentioned design, increase
Add the contact area of heating column and heat dissipation channel, so as to further improve heat dissipation effect.
In above-mentioned output shaft, the madial wall in the socket oral area edge is led to be tapered on the socket
To face.Under the action of guide surface, heating column can be made more to be freely insertable into socket, to improve the convenience of heating column installation
Property.
In above-mentioned output shaft, the end face of the one end of the heat carrier away from heat dissipation channel and the lateral wall phase of body
Flush.
In above-mentioned output shaft, the heat carrier and heating column are made by aluminium alloy or brass.
Compared with prior art, this output shaft has the following advantages：
1st, under the cooperation of heat carrier and heat dissipation channel, the area that cooling effect is played on output shaft can be effectively increased, from
And accelerate the radiating rate of output shaft, and to reduce the temperature of output shaft and other component engagement places, to reduce output shaft abrasion, after
And extend the service life of this output shaft.
2nd, under heat carrier effect, two heat carriers in same group of heat-sink unit can both be connected, increase is led
The stability that hot body is positioned, and the contact area of conducting-heat elements and heat dissipation channel is increased, to further speed up radiating rate, from
And effectively extend the service life of output shaft.
Brief description of the drawings
Fig. 1 is the structure diagram of this output shaft.
Fig. 2 is the structure diagram of body.
Fig. 3 is the structure diagram of heat carrier.
In figure, 1, body；1a, bolt hole；1b, heat dissipation channel；1c, external splines；1d, teeth；1e, thermal vias；2nd, lead
Hot body；2a, socket；2b, guide surface；3rd, heating column；3a, recess.
Embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1, this output shaft is made of body 1, heat carrier 2, heating column 3 etc..Wherein, heat carrier 2 and heating column 3
It is made from a material that be thermally conductive, Heat Conduction Material is aluminium alloy or brass, and preferably heat carrier 2 and heating column 3 are made by aluminium alloy.
Specifically, as depicted in figs. 1 and 2, body 1 is in the form of a column, and offers bolt hole in the both ends of the surface of body 1
1a.There is the heat dissipation channel 1b in strip, and the both ends of heat dissipation channel 1b are located at the bottom wall of two bolt hole 1a respectively in body 1
On.Wherein one end of body 1 has external splines 1c, and the middle part of body 1 has a circle teeth 1d, and the other end of body 1 has
Several axially uniformly distributed heat-sink units along body 1.
Wherein, heat-sink unit is made of at least two thermal vias 1e, and multiple scattered in same group of heat-sink unit
Heat through-hole 1e is evenly distributed with along the circumferential direction of body 1.In the present embodiment, preferably there are two thermal vias 1e in heat-sink unit.It is each to dissipate
Heat through-hole 1e is tapered, and the axial direction of thermal vias 1e and the axial direction of body 1 are perpendicular.The wherein Single port of thermal vias 1e
Connected with heat dissipation channel 1b, the another port of thermal vias 1e is located on the outer surface of body 1, and the diameter of thermal vias 1e by
To being gradually reduced inside body 1 outside body 1.
As shown in Figure 1 to Figure 3, it is equipped with and matches with thermal vias 1e and tapered heat conduction in each thermal vias 1e
Body 2, and heat carrier 2 and body 1 are fixed together by cone match sealing, i.e., at this time, the side wall and thermal vias of heat carrier 2
The hole wall tight abutment of 1e is together.Further illustrate, the end face and body 1 of the one end of heat carrier 2 away from heat dissipation channel 1b
Lateral wall is flush.
In two heat carriers 2 in same group of heat-sink unit, vertically it is fixed with and leads on the end face of one of heat carrier 2
Plume 3, preferably heating column 3 and heat carrier 2 are fixedly connected with by welding, and heating column 3 is located in heat dissipation channel 1b, another
The socket 2a to match with heating column 3 is offered on the end face of heat carrier 2, and one end of heating column 3 is inserted in socket 2a, with
Two heat carriers 2 are linked together.
Further illustrate, the madial wall in socket 2a oral areas edge is tapered guide surface 2b on socket 2a；
Multiple recess 3a are offered on the side wall of heating column 3.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (6)
1. a kind of output shaft, including the body (1) being in the form of a column, and bolt hole (1a), institute are offered in the both ends of the surface of body (1)
The wherein one end for the body (1) stated has external splines (1c), and the middle part of body (1) has a circle teeth (1d), it is characterised in that
There is the heat dissipation channel (1b) in strip, and the both ends of heat dissipation channel (1b) are located at two bolts respectively in the body (1)
On the bottom wall in hole (1a)；There are several axially uniformly distributed heat dissipation lists along body (1) on the other end of the body (1)
Member, the heat-sink unit are made of at least two and tapered thermal vias (1e), in same group of heat-sink unit
Multiple thermal vias (1e) be evenly distributed with along the circumferential direction of body (1), the axial direction of thermal vias (1e) and the axial of body (1) are mutually hung down
Directly, the wherein Single port of thermal vias (1e) is connected with above-mentioned heat dissipation channel (1b), and the another port of thermal vias (1e)
On the outer surface of body (1), the diameter of thermal vias (1e) is gradually reduced from body (1) is exterior to body (1) is internal, often
It is equipped with a thermal vias (1e) and thermal vias (1e) matches and tapered heat carrier (2), and heat carrier
(2) it is fixed together with body (1) by cone match sealing.
2. output shaft according to claim 1, it is characterised in that be equipped with the heat-sink unit described in every group described in two
Thermal vias (1e), in two heat carriers (2) in same group of heat-sink unit, on the end face of one of heat carrier (2)
Vertical to be fixed with heating column (3), heating column (3) is located in heat dissipation channel (1b), is offered on the end face of another heat carrier (2)
The socket (2a) to match with heating column (3), and one end of heating column (3) is inserted in socket (2a).
3. output shaft according to claim 2, it is characterised in that offered on the side wall of the heating column (3) multiple
Recess (3a).
4. the output shaft according to Claims 2 or 3, it is characterised in that the socket (2a) is on the socket (2a)
The madial wall of oral area edge is tapered guide surface (2b).
5. output shaft according to claim 2, it is characterised in that the remote heat dissipation channel (1b) of the heat carrier (2)
The end face of one end and the lateral wall of body (1) are flush.
6. output shaft according to claim 2, it is characterised in that the heat carrier (2) and heating column (3) is closed by aluminium
Gold or brass are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721418546.4U CN207333439U (en) | 2017-10-30 | 2017-10-30 | A kind of output shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721418546.4U CN207333439U (en) | 2017-10-30 | 2017-10-30 | A kind of output shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207333439U true CN207333439U (en) | 2018-05-08 |
Family
ID=62364114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721418546.4U Expired - Fee Related CN207333439U (en) | 2017-10-30 | 2017-10-30 | A kind of output shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207333439U (en) |
-
2017
- 2017-10-30 CN CN201721418546.4U patent/CN207333439U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Output shaft device Effective date of registration: 20191218 Granted publication date: 20180508 Pledgee: Zhejiang Tyrone commercial bank Limited by Share Ltd Taizhou Wenling branch Pledgor: Zhejiang Wang Ze Machinery Manufacturing Co., Ltd. Registration number: Y2019330000338 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20201030 |