CN206874680U - A kind of withdrawal sleeve on optical axis - Google Patents
A kind of withdrawal sleeve on optical axis Download PDFInfo
- Publication number
- CN206874680U CN206874680U CN201720432920.XU CN201720432920U CN206874680U CN 206874680 U CN206874680 U CN 206874680U CN 201720432920 U CN201720432920 U CN 201720432920U CN 206874680 U CN206874680 U CN 206874680U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- withdrawal
- oil
- optical axis
- withdrawal sleeve
- 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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of withdrawal sleeve on optical axis, it is related to mechanical assembly technique field, including two withdrawal sleeves and coupling sleeve, two withdrawal sleeves are connected by coupling sleeve, withdrawal sleeve inwall is provided with coupling sleeve thread groove, it is corresponding with coupling sleeve thread groove that coupling sleeve outer wall is provided with connection screw thread, oil-way is provided with inside withdrawal sleeve, the fuel feed hole used for two withdrawal sleeves is additionally provided with two withdrawal sleeve connection ends, and it is connected with oil-way in two withdrawal sleeves, oil-way connects with coupling sleeve thread groove；The utility model provides a kind of withdrawal sleeve on optical axis, can guarantee that to the requirements for high precision of axiality when multiple bearing is installed, and can make to install while multiple bearings.
Description
Technical field
It the utility model is related to mechanical assembly technique field, especially a kind of withdrawal sleeve on optical axis.
Background technology
In existing mechanical structure, tapered sleeve bearing is used widely because of its unique structure, and tapered sleeve bearing includes axle
Hold and withdrawal sleeve, use in groups, wherein, brearing bore is designed as taper hole, and withdrawal sleeve, which is installed on, realizes axle and bearing in taper hole
Stationary fit state.Withdrawal sleeve is for rotating shaft location and installation in the frock accessory of Bearing inner, can be realized by withdrawal sleeve
Axle is with bearing immovable fitting and convenient dismounting.During existing withdrawal sleeve installation more by the way of manually knocking in, and in this case very
Easily according to phenomena such as uneven into rotating shaft both ends, rotating shaft rotation is unstable, and manually tap and withdrawal sleeve end face can also be produced
Damage.
A kind of withdrawal sleeve tool structure as disclosed in Chinese utility model patent CN204585131U, including be positioned at and turn
After withdrawal sleeve between axle and bearing, and the hydraulic nut being set in rotating shaft, and the frock being fixed on rotating shaft end face
Lid, and the frock support meanss being arranged between hydraulic nut and frock bonnet；The inner of the hydraulic nut and withdrawal sleeve
Threaded connection, inner face and the hydraulic nut of frock support meanss offset, outer face and the frock bonnet phase of frock support meanss
Support, the withdrawal sleeve of the utility model is not applied for the demand of multiple bearing installations.
And for example assembling and disassembling device, the installation method of a kind of bearing withdrawal sleeve disclosed in Chinese invention patent CN105729377A
And method for dismounting, including fixture, top tight pieces and thrust piece；Wherein fixture be fixedly connected on the axis body where bearing or
It is fixedly connected on bearing withdrawal sleeve, for top tight pieces against bearing or bearing withdrawal sleeve, thrust piece promotes top tight pieces away from fixture.
The bearing withdrawal sleeve of the utility model is used for the requirement that can not meet coaxial bearing degree when two or more bearings are installed.
Utility model content
First, technical problems to be solved
The purpose of this utility model is the above mentioned problem present in prior art, and spy provides a kind of be used on optical axis
It withdrawal sleeve, can guarantee that to the requirements for high precision of axiality when multiple bearing is installed, and can make that is installed while multiple bearings to move back
Unload set.
2nd, technical scheme
In order to solve the above technical problems, the utility model provides a kind of withdrawal sleeve on optical axis, on optical axis
Withdrawal sleeve includes two withdrawal sleeves and coupling sleeve, is connected two withdrawal sleeves by coupling sleeve, withdrawal sleeve inwall is provided with coupling sleeve
Thread groove, coupling sleeve outer wall is corresponding with coupling sleeve thread groove provided with connection screw thread, and can be good at reality by pipe screw thread
The sealing of existing threaded connection place, makes threaded connection place not produce gap, therefore does not interfere with degree of accuracy when bearing is installed.Move back
Unload that set is internal to be provided with oil-way, be additionally provided with the fuel feed hole used for two withdrawal sleeves two withdrawal sleeve connection ends, and with
Oil-way is connected in two withdrawal sleeves, and the oil-way after connection makes to connect with coupling sleeve thread groove, ensure that coupling sleeve
Prolonged normal use so that coupling sleeve is simple and convenient in unloading process.
Wherein, the contact site two withdrawal sleeve connection ends is provided with oil sealing ring recess, and annular oil is provided with oil sealing ring recess
Seal；Oil seal washer slot number amount is two on withdrawal sleeve, and corresponding oil seal washer quantity is two, significantly more efficient can be ensured close
The validity of envelope, used oil seal washer material are rubber, utilize the service life of the good elastic elongation withdrawal sleeve of rubber.
Wherein, whole oil-way is that annular is looped around in withdrawal sleeve so that the pressure that withdrawal sleeve is born is balanced, and
Make unloading process more efficient stable.
Wherein, clamp nut, and fastening thread corresponding with clamp nut are provided with the outside of withdrawal sleeve, by fastening spiral shell
Mother is fixedly mounted on the bearing on withdrawal sleeve, and convenient dismounting, realizes the effect of withdrawal sleeve.
Wherein, square fuel feed hole is provided with two withdrawal sleeve connection ends, processes simpler convenience, saves into
This.
Wherein, the outer wall of withdrawal sleeve is taper platform, corresponding to required bearing to be mounted.
Wherein, the shoe cream room with the fastening thread position correspondence of withdrawal sleeve outer wall is provided with the oil-way of withdrawal sleeve,
So that fastening thread will not cause withdrawal sleeve structure to be deformed when locking, and ensure connection screw thread and company for a long time
The lubrication of sleeve thread groove.
3rd, beneficial effect
Compared with prior art, the utility model provides a kind of withdrawal sleeve on optical axis, can guarantee that multiple bearing is installed
When to the requirements for high precision of axiality, and the withdrawal sleeve installed while multiple bearings can be made.
Brief description of the drawings
Fig. 1 is the sectional view for the withdrawal sleeve that the utility model embodiment 1 is used on optical axis；
Fig. 2 is the explosive view for the withdrawal sleeve that the utility model embodiment 1 is used on optical axis；
Fig. 3 is the coupling sleeve stereogram of embodiment 1 of the present utility model；
Fig. 4 is the sectional view for the withdrawal sleeve that embodiment 2 of the present utility model is used on optical axis；
In figure：1 is withdrawal sleeve；2 be coupling sleeve；11 be clamp nut；12 be fastening thread；13 be oil-way；14 are
Fuel feed hole；15 be oil seal washer；16 be coupling sleeve thread groove；17 be taper platform；18 be oil sealing ring recess；19 be shoe cream room.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but can not be used for limiting the scope of the utility model.
Embodiment 1：
A kind of withdrawal sleeve on optical axis of the utility model embodiment 1, as depicted in figs. 1 and 2, including two are moved back and unload
Set 1 and coupling sleeve 2, are connected two withdrawal sleeves by coupling sleeve 2, the inwall of withdrawal sleeve 1 is provided with coupling sleeve thread groove 16, such as Fig. 3
The shown outer wall of coupling sleeve 2 is corresponding with coupling sleeve thread groove 16 provided with connection screw thread, and the inside of withdrawal sleeve 1 is provided with oil-way
13, oil-way 13 is that annular is looped around in withdrawal sleeve 1.It is additionally provided with two connection ends of withdrawal sleeve 1 and is used for two withdrawal sleeves 1
Fuel feed hole 14, fuel feed hole 14 is square, processing get up simpler convenience, save cost, in actual mechanical process
It is easy to seal；And fuel feed hole 14 is connected with oil-way 13 in two withdrawal sleeves 1, when ensure that coupling sleeve is long after connection
Between normal use so that coupling sleeve is simple and convenient in unloading process.
Wherein, the connection end of withdrawal sleeve 1 is provided with oil sealing ring recess 18, and is provided with oil seal washer 15, and the quantity of oil sealing ring recess 18 is two,
And the corresponding quantity of oil seal washer 15 is two, can effectively ensure the validity of sealing, and the material of oil seal washer 15 is rubber, profit
Further strengthen sealing with its good elasticity.
As shown in figure 3, the connection screw thread of the outer wall of coupling sleeve 2 is pipe screw thread with the screw thread in coupling sleeve thread groove 16, pass through
Pipe screw thread can be good at realizing the sealing of threaded connection place, threaded connection place is not produced gap, therefore do not interfere with axle
Hold degree of accuracy during installation.
Also, clamp nut 11 is provided with the outside of withdrawal sleeve, and fastening thread 12 corresponding with clamp nut, by tight
Gu nut is fixedly mounted on the bearing on withdrawal sleeve, the effect of the installing/dismounting process simplification of bearing is realized, the outer wall of withdrawal sleeve 1 is
Taper platform 17, corresponding to required bearing to be mounted.
Wherein, the storage with the position correspondence of fastening thread 12 of the outer wall of withdrawal sleeve 1 is provided with the oil-way 13 of withdrawal sleeve 1
Oil pocket 19 so that fastening thread will not cause withdrawal sleeve structure to be deformed when locking, and ensure connection for a long time
The lubrication of screw thread and coupling sleeve thread groove, while the effect of do not influence oil-way 13.
Embodiment 2：
As shown in figure 4, in the utility model, the coupling sleeve 2 in embodiment 1 is directly arranged on withdrawal sleeve, implemented
Fixation, and the consumption for the material that can be saved in process can be more easily installed on the basis of example 1, unloaded using being located at two and moving back
The screw thread put directly coordinates.
A kind of withdrawal sleeve on optical axis in the utility model, which is in use moved back two by coupling sleeve 2, to be unloaded
Set 1 is fixed together, and sealing function is played using pipe screw thread, when in use, bearing is arranged on to the taper platform 17 of withdrawal sleeve 1
On, bearing is fixed by clamp nut 11 and the cooperation of fastening thread 12, during bearing removal, using fuel feed hole 14 to
Injection lubricating oil, good lubricant effect can fast and easily complete the dismantlement work of bearing and withdrawal sleeve in oil-way 13,
Oil seal washer simultaneously can guarantee that good sealing.
It the above is only preferred embodiment of the present utility model, it is noted that for the ordinary skill people of the art
Member for, on the premise of the utility model technical principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
- A kind of 1. withdrawal sleeve on optical axis, it is characterised in that：The withdrawal sleeve on optical axis includes two withdrawal sleeves (1) and coupling sleeve (2), two withdrawal sleeves are connected by the coupling sleeve (2), withdrawal sleeve (1) inwall is provided with coupling sleeve Thread groove (16), coupling sleeve (2) outer wall is corresponding with coupling sleeve thread groove (16) provided with connection screw thread, the withdrawal sleeve (1) it is internal to be provided with oil-way (13), the oil-feed used for two withdrawal sleeves (1) is additionally provided with two withdrawal sleeve (1) connection ends Hole (14), and be connected with two interior oil-ways of withdrawal sleeve (1) (13), the oil-way (13) and the coupling sleeve spiral shell Groove (16) connects.
- 2. as claimed in claim 1 for the withdrawal sleeve on optical axis, it is characterised in that：Withdrawal sleeve (1) connection end is provided with Oil sealing ring recess (18), and it is provided with oil seal washer (15).
- 3. as claimed in claim 2 for the withdrawal sleeve on optical axis, it is characterised in that：Oil seal washer (15) material is rubber Glue.
- 4. as claimed in claim 1 for the withdrawal sleeve on optical axis, it is characterised in that：The connection of coupling sleeve (2) outer wall Screw thread is pipe screw thread with the screw thread in coupling sleeve thread groove (16).
- 5. as claimed in claim 1 for the withdrawal sleeve on optical axis, it is characterised in that：The oil-way (13) is annular ring It is wound in withdrawal sleeve (1).
- 6. the withdrawal sleeve being used on optical axis as described in any in claim 1 to 5, it is characterised in that：On the outside of the withdrawal sleeve Provided with clamp nut (11), and fastening thread corresponding with clamp nut (12).
- 7. as claimed in claim 1 for the withdrawal sleeve on optical axis, it is characterised in that：The fuel feed hole (14) is provided with oil Envelope.
- 8. as claimed in claim 1 for the withdrawal sleeve on optical axis, it is characterised in that：Withdrawal sleeve (1) outer wall is taper Platform (17).
- 9. as claimed in claim 1 for the withdrawal sleeve on optical axis, it is characterised in that：Be provided with the oil-way (13) with The shoe cream room (19) of fastening thread (12) position correspondence of withdrawal sleeve (1) outer wall.
- 10. as claimed in claim 2 for the withdrawal sleeve on optical axis, it is characterised in that：The quantity of the oil sealing ring recess (18) For two, and the quantity of corresponding oil seal washer (15) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720432920.XU CN206874680U (en) | 2017-04-24 | 2017-04-24 | A kind of withdrawal sleeve on optical axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720432920.XU CN206874680U (en) | 2017-04-24 | 2017-04-24 | A kind of withdrawal sleeve on optical axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206874680U true CN206874680U (en) | 2018-01-12 |
Family
ID=61343613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720432920.XU Withdrawn - After Issue CN206874680U (en) | 2017-04-24 | 2017-04-24 | A kind of withdrawal sleeve on optical axis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206874680U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907395A (en) * | 2017-04-24 | 2017-06-30 | 宁波斯立福精密工业有限公司 | A kind of withdrawal sleeve on optical axis |
-
2017
- 2017-04-24 CN CN201720432920.XU patent/CN206874680U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907395A (en) * | 2017-04-24 | 2017-06-30 | 宁波斯立福精密工业有限公司 | A kind of withdrawal sleeve on optical axis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180112 Effective date of abandoning: 20220823 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180112 Effective date of abandoning: 20220823 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |