CN207387489U - A kind of axle center positioning and locking device - Google Patents
A kind of axle center positioning and locking device Download PDFInfo
- Publication number
- CN207387489U CN207387489U CN201721120262.7U CN201721120262U CN207387489U CN 207387489 U CN207387489 U CN 207387489U CN 201721120262 U CN201721120262 U CN 201721120262U CN 207387489 U CN207387489 U CN 207387489U
- Authority
- CN
- China
- Prior art keywords
- axle center
- positioning
- pilot pin
- snap ring
- 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 - Fee Related
Links
Abstract
The utility model discloses a kind of axle center positioning and locking device, including axle center column；The outer wall of the axle center column is provided with axle center slot, the corresponding position in outside of the axle center slot is provided with snap ring, one end of snap ring position opposite with axle center slot is provided with protrusion, the other end of snap ring is connected with axle sleeve, axle sleeve is rotatablely connected by the axle center column of snap ring and inside, and the lower end of axle center column is provided with pilot pin.The utility model it is special devise pilot pin and positioning bearing, axle center can accurately be navigated to the inside for needing positioning seat to be mounted, so that accurate positioning, substantially increase accuracy and tightness of the axis during installation and use, technological level can be guaranteed, therefore the horizontal meeting higher in production and mechanical technology, and the lower end of the equipment pilot pin devises buckle, card slot is designed with the inside of positioning seat is corresponding, it can be fixedly connected so that the one side of positioning seat can be fixed and be locked to pilot pin.
Description
Technical field
The utility model is related to mechanical equipment technical fields, are specially a kind of axle center positioning and locking device.
Background technology
At present, axis (shaft) is the cylindrical object being through among bearing or among wheel or among gear, but is also had few
Part is square.Axis is support rotary part and turns round therewith to transfer movement, torque or the machine components of moment of flexure.One
As for round metal it is rod-shaped, each section can have different diameters.The part for making rotary motion in machine is just mounted on axis.Common axis
There are three kinds of bent axle, d-axis and flexible axle.D-axis can be divided into again：It is in machinery 1. shaft, when work had not only born moment of flexure but also born torque
Axis in most common axis, such as various retarders.2. mandrel is solely subjected to moment of flexure for support rotary part and is turned round without transferring
Square, some central axis, such as the axis of rolling stock, some mandrels do not rotate then, such as the axis of supporting pulley.3. transmission shaft,
It is mainly used to transfer torque and be not subject to moment of flexure, such as long optical axis in crane movable mechanism, the drive shaft of automobile.The material of axis
Mainly using carbon steel or steel alloy, spheroidal graphite cast-iron or alloy cast iron etc. can also be used in material.The ability to work of axis is generally dependent on
Strength and stiffness additionally depend on stability of vibration when rotating speed is high.Axis has obtained many specific in actual life and industrial production
Application, be a part indispensable in mechanical technology, the application of axis changes people’s lives significantly, nevertheless, existing
Some products remain the deficiency and defect of some in the market, and axis currently on the market lacks axle center positioning and locking
Device so that there is certain inconveniences in application.Since the position in axle center cannot access positioning and determine so that axis
The precision applied when in use is not high, while lacks locking device so that the position in axle center can not stablize, and structure is not firm enough
It leans on, can so greatly reduce the mechanical stability and accuracy of itself when in use, reduce product quality and technique level.
Utility model content
The purpose of this utility model is to provide a kind of axle center positioning and locking device, to solve to propose in above-mentioned background technology
The problem of, possessed advantageous effect is；The utility model Design Orientation pin and positioning bearing, can accurately position in axle center
To the inside for needing positioning seat to be mounted so that position is accurate, therefore the higher level in production and mechanical technology, meanwhile, it is fixed
The lower end of position pin devises buckle, is designed with card slot the inside of positioning seat is corresponding, can be fixedly connected so that positions
The one side of positioning seat can be fixed and be locked to pin, can be with securing device, therefore the position in axle center can be stablized, and structure is more
It is firm to add, and considerably increases the stability and accuracy of equipment in itself when in use, adds technique level and mechanical quality.
To achieve the above object, the utility model provides following technical solution：A kind of axle center positioning and locking device, including axis
Stem；The outer wall of the axle center column is provided with axle center slot, and the corresponding position in outside of the axle center slot is provided with snap ring, institute
One end position opposite with axle center slot for stating snap ring is provided with protrusion, and the other end of snap ring is connected with axle sleeve, and axle sleeve passes through snap ring
With the axle center column rotation connection of inside, the lower end of axle center column is provided with pilot pin, locating shaft is provided on the outside of the pilot pin
It holds, pilot pin is fixed with positioning seat by the positioning bearing in outside, and the lower end of the pilot pin is fixedly installed buckle, described fixed
The inside of position seat is fixedly installed the card slot to match with buckle, and positioning bearing passes through the buckle of lower end and positioning seat stationary phase
Even.
Preferably, the upper end of the axle center column is fixed with axis top.
Preferably, the buckle and pilot pin are an integral structure.
Preferably, the positioning bearing is internally provided with outer race, and the inside of the outer race connected by ball
It is connected to bearing inner ring.
Preferably, the junction of the axle center slot and protrusion is provided with lubricating oil.
Compared with prior art, the beneficial effects of the utility model are：
What the 1st, the utility model was special devises pilot pin and positioning bearing, and can accurately navigate in axle center needs to pacify
The inside of the positioning seat of dress so that accurate positioning substantially increases accuracy and tightness of the axis during installation and use.
2nd, the lower end of the equipment pilot pin devises buckle, is designed with card slot the inside of positioning seat is corresponding, essence
Accurate is fixedly connected so that the one side of positioning seat can be fixed and be locked to pilot pin, can be with securing device, therefore the position in axle center
Putting can be stablized, and structure is more firm, considerably increased the stability and accuracy of equipment in itself when in use, added
Technique level and mechanical quality.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram that the utility model positions bearing.
In figure：1- axle center column；2- snap rings；3- axle sleeves；4- positions bearing；5- card slots；6- positioning seats；7- axis top；8- axle center
Slot；9- protrusions；10- pilot pins；11- is buckled；12- outer races；13- balls；14- bearing inner rings.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
As shown in Figure 1, 2, a kind of axle center positioning and locking device, including axle center column 1；The outer wall of the axle center column 1 is provided with
Axle center slot 8, the corresponding position in outside of the axle center slot 8 are provided with snap ring 2, one end and 8 phase of axle center slot of the snap ring 2
To position be provided with protrusion 9, the other end of snap ring 2 is connected with axle sleeve 3, and axle sleeve 3 passes through 1 turn of snap ring 2 and the axle center column of inside
Dynamic connection, the lower end of axle center column 1 are provided with pilot pin 10, and the outside of the pilot pin 10 is provided with positioning bearing 4, pilot pin 10
Positioning seat 6 is fixed with by the positioning bearing 4 in outside, the lower end of the pilot pin 10 is fixedly installed buckle 11, the positioning
The inside of seat 6 is fixedly installed the card slot 5 to match with buckle 11, and positioning bearing 4 is solid by the buckle 11 and positioning seat 6 of lower end
Fixed to be connected, positioning bearing 4 is internally provided with outer race 12, and the inside of outer race 12 is connected with by ball 13 in bearing
Ring 14.
Operation principle：In use, axle sleeve 3 and axle center column 1 are rotatedly connected respectively by protrusion 9 and axle center slot 8, axis during work
The position of core bar 1 is fixed, and axle sleeve 3 can be rotated around axle center column 1 so that axis can run well, the lower end of axle center column 1
Pilot pin 10 is provided with, pilot pin 10 is fixed on the inside of positioning seat 6 by the positioning bearing 4 of both sides so that the position of axle center column 1
Putting can be guaranteed with precision, and the card slot 5 inside the buckle 11 of 10 lower end of pilot pin and positioning seat 6 is clamped, and ensure that dress
The stability of itself is put, the function of positioning and locking is reached with this.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that will fall containing in the equivalent requirements of the claims
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of axle center positioning and locking device, including axle center column（1）；It is characterized in that：The axle center column（1）Outer wall be provided with
Axle center slot（8）, the axle center slot（8）The corresponding position in outside be provided with snap ring（2）, the snap ring（2）One end with
Axle center slot（8）Opposite position is provided with protrusion（9）, snap ring（2）The other end be connected with axle sleeve（3）, axle sleeve（3）Pass through snap ring
（2）With the axle center column of inside（1）Rotation connection, axle center column（1）Lower end be provided with pilot pin（10）, the pilot pin（10）'s
Outside is provided with positioning bearing（4）, pilot pin（10）Pass through the positioning bearing in outside（4）It is fixed with positioning seat（6）, the positioning
Pin（10）Lower end be fixedly installed buckle（11）, the positioning seat（6）Inside be fixedly installed and be buckled（11）Match
Card slot（5）, position bearing（4）Pass through the buckle of lower end（11）And positioning seat（6）It is fixedly linked.
2. a kind of axle center positioning and locking device according to claim 1, it is characterised in that：The axle center column（1）Upper end
It is fixed with axis top（7）.
3. a kind of axle center positioning and locking device according to claim 1, it is characterised in that：The buckle（11）And pilot pin
（10）It is an integral structure.
4. a kind of axle center positioning and locking device according to claim 1, it is characterised in that：The positioning bearing（4）It is interior
Portion is provided with outer race（12）, the outer race（12）Inside pass through ball（13）It is connected with bearing inner ring（14）.
5. a kind of axle center positioning and locking device according to claim 1, it is characterised in that：The axle center slot（8）And protrusion
（9）Junction be provided with lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721120262.7U CN207387489U (en) | 2017-09-01 | 2017-09-01 | A kind of axle center positioning and locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721120262.7U CN207387489U (en) | 2017-09-01 | 2017-09-01 | A kind of axle center positioning and locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207387489U true CN207387489U (en) | 2018-05-22 |
Family
ID=62415686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721120262.7U Expired - Fee Related CN207387489U (en) | 2017-09-01 | 2017-09-01 | A kind of axle center positioning and locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207387489U (en) |
-
2017
- 2017-09-01 CN CN201721120262.7U patent/CN207387489U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20190901 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |