CN206889441U - A kind of Anti-extrusion mechanism - Google Patents
A kind of Anti-extrusion mechanism Download PDFInfo
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- CN206889441U CN206889441U CN201720672667.5U CN201720672667U CN206889441U CN 206889441 U CN206889441 U CN 206889441U CN 201720672667 U CN201720672667 U CN 201720672667U CN 206889441 U CN206889441 U CN 206889441U
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- output shaft
- hole
- end cap
- projection
- radial direction
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Abstract
A kind of Anti-extrusion mechanism of the utility model, belongs to mechanical engineering technical field.The mechanism includes end cap（1）, fastener（2）, it is top（3）, output shaft（4）.It is top（3）It is enclosed on output shaft（4）On, end cap（1）Insert output shaft（4）Axial hole in, limitation it is top（3）From output shaft（4）Upper abjection；Fastener（2）Through top（3）Through hole after, stretch into output shaft（4）And end cap（1）Radial direction through hole in, limit end cap（1）From output shaft（4）Middle abjection；Rotate top（3）, will be top（3）Groove and end cap（1）Projection position it is corresponding so that it is top（3）Block output shaft（4）Radial direction through hole；By external force by end cap（1）Projection be folded into it is top（3）Groove in, limitation it is top（3）Along output shaft（4）The rotation of axial direction, it is achieved thereby that top（3）Anti-extrusion design.The utility model is simple in construction, operation is easy, Anti-extrusion reliability is high, and the requirement to installing space is low, can be used in smaller space, and maintenance cost is low.
Description
Technical field
A kind of Anti-extrusion mechanism of the utility model, belongs to mechanical engineering technical field.
Background technology
In the output end of certain small linear output mechanism, top tip structure is mounted with.In order to avoid top pine in mechanism kinematic
Dynamic abjection is, it is necessary to top progress Anti-extrusion design.
In mechanical engineering, the mode of Anti-extrusion, which can be achieved, to have dispensing, welding, riveting, beats fuse, double nut etc..Its
In, dispensing reliability deficiency, other Anti-extrusion modes need to be coordinated to be used in conjunction with, weld and rivet very reliable, but complex operation
It is uncomfortable in small space situations and tool has destructiveness to parts, plays fuse and double nut has higher requirements to installing space
With.
Utility model content
The purpose of this utility model is：A Anti-extrusion mechanism simple in construction, easy to operate, reliability is high is designed, can
Effectively to avoid the top loosening of output end from deviating from.
The technical solution of the utility model：
A kind of Anti-extrusion mechanism, the mechanism include end cap 1, fastener 2, top 3, output shaft 4；
Output shaft 4 is formed by two cylinders of different sizes are coaxially connected；
On the center of the small cylinder end face of output shaft 4, along cylinder axis to offering an axial hole；
In the small cylinder side wall of output shaft 4 radial direction through hole is offered close to one end of the axial hole of output shaft 4；
Top 3 be a tubular structure, and top 3 are enclosed on the small cylinder of output shaft 4, and top 3 are output the big cylinder of axle 4
Body limits a motion along the axis direction of output shaft 4, and the position corresponding with the radial direction through hole of output shaft 4 is opened on top 3
Provided with through hole one；
Opened up on the outer wall of top 3 tubular structure fluted；
End cap 1 is formed by two cylinders of different sizes are coaxially connected；
The small cylinder part of end cap 1 is inserted into the axial hole of output shaft 4, the small cylinder part of end cap 1 with
The corresponding position of the radial direction through hole of output shaft 4 offers through hole two；
The big cylindrical portion limitation top 3 of end cap 1 is deviate from from output shaft 4；
Projection is carried in the big cylindrical portion of end cap 1, in the presence of external force, the projection can be to output shaft 4 axially
Bending；The upper process of end cap 1 and through hole two the axis projection of output shaft 4 angle, different from top 3 upper groove with through hole one defeated
The angle of the axis projection of shaft 4；
Fastener 2 is cylindrical structure, fastener 2 through after top 3 through hole one, stretch into the radial direction through hole of output shaft 4 and
In the through hole two of end cap 1, limitation end cap 1 is deviate from out of output shaft 4 axial hole；
Top 3 after rotation, and top 3 groove location is corresponding with the projection position of end cap 1, and the projection of end cap 1 exists
Under external force effect, it is folded into top 3 groove, rotation of the limitation top 3 along the axial direction of output shaft 4.
The upper process of end cap 1 exists with through hole two in the angle, top 3 upper groove and through hole one of the axis projection of output shaft 4
The angle of the axis projection of output shaft 4 can be adjusted.
The fastener 2 can use pin.
The position corresponding with the radial direction through hole of output shaft 4 offers two through holes on described top 3.
Projection on the end cap 1 is two.
Two grooves are offered on top 3 outer wall.
The utility model has the advantage that and beneficial effect：The utility model is simple in construction, operation is easy, Anti-extrusion is reliable
Property it is high, the requirement to installing space is low, can be used in smaller space, and maintenance cost is low.
Brief description of the drawings
Fig. 1 is sectional view when the utility model mechanism is assembled
Fig. 2 is front view when the utility model mechanism is assembled
Fig. 3 is front view when the utility model mechanism carries out Anti-extrusion limitation
Wherein, 1- end caps, 2- fasteners, 3- be top, 4- output shafts
Embodiment
The utility model is described in detail following combination accompanying drawing 1-3.
A kind of Anti-extrusion mechanism, the mechanism include end cap 1, fastener 2, top 3, output shaft 4.
Output shaft 4 is formed by two cylinders of different sizes are coaxially connected；In the small cylinder end face of output shaft 4
On heart position, an axial hole is axially offered along small cylinder；Close to output shaft 4 in the small cylinder side wall of output shaft 4
One end of axial hole offers radial direction through hole.
Top 3 be a tubular structure, and top 3 are enclosed on the small cylinder of output shaft 4, and top 3 are output the big cylinder of axle 4
Body limits the motion in a direction, and the position corresponding with the radial direction through hole of output shaft 4 offers through hole one on top 3；Top
Opened up on the outer wall of the tubular structure of point 3 fluted.
End cap 1 is formed by two cylinders of different sizes are coaxially connected；The small cylinder part of end cap 1 is inserted into
In the axial hole of output shaft 4, in the small cylinder part of end cap 1, the position corresponding with the radial direction through hole of output shaft 4 offers logical
Hole two；Internal diameter of the external diameter than top 3 of the big cylindrical portion of end cap 1 is big, can limit top 3 and deviate from from output shaft 4；
Projection is carried in the big cylindrical portion of end cap 1, in the presence of external force, the projection can be to the axial bending of output shaft 4.
The upper process of end cap 1 and through hole two the axis projection of output shaft 4 angle, different from top 3 upper groove and through hole one
In the angle of the axis projection of output shaft 4.
Fastener 2 is cylindrical structure, rotation top 3 and end cap 1 so that logical on the through hole one and end cap 1 on top 3
Kong Erjun aligns with the radial direction through hole on output shaft 4, after fastener 2 to be passed through to top 3 through hole one, stretches into the footpath of output shaft 4
In to the through hole two of through hole and end cap 1, limitation end cap 1 is deviate from out of output shaft 4 axial hole.
Top 3 are rotated, top 3 groove location is corresponding with the projection position of end cap 1, the now radial direction of output shaft 4
Through hole is blocked by top 3, the projection of end cap 1 is folded into top 3 groove with external force, limits top 3 along the axial direction of output shaft 4
Rotation.
The projection of end cap 1 limits top 3 rotation, and top 3 radial direction through hole for having blocked output shaft 4, therefore mechanism
In motion process, fastener 2 can not be deviate from from the radial direction through hole of output shaft 4, and end cap 1 can not be deviate from from output shaft 4, top
Point 3 can not be deviate from from output shaft 4, it is achieved thereby that top 3 Anti-extrusion design.
The upper process of end cap 1 exists with through hole two in the angle, top 3 upper groove and through hole one of the axis projection of output shaft 4
The angle of the axis projection of output shaft 4 can be adjusted.
The fastener 2 can use pin.
The position corresponding with the radial direction through hole of output shaft 3 can offer two through holes on described top 3.
Projection on the end cap 1 can be 2.
2 grooves can be offered on top 3 outer wall.
Embodiment one
Small cylinder outside diameter Φ 4.8mm, the high 5.2mm of output shaft 4, big cylinder outside diameter Φ 6mm are high
20mm, axial aperture the Φ 3mm, deep 3.5mm, side wall radial direction through hole footpath Φ 1.5mm, apart from small cylinder end face 1.6mm of end face；
Top 3 high 5mm, diameter of bore Φ 4.8mm, outside diameter Φ 8mm, the wide 0.6mm of unit with grooves in outer wall, the deep 1.5mm of radial direction,
Axially deep 1.5mm, the diameter of phi 1.8mm of through hole one, apart from top 3 fluting one end end face 1.6mm, groove is with through hole one in output shaft
The angle of 4 axis projections is 90 °；
Small cylinder outside diameter Φ 3mm, the high 3mm of end cap 1, big cylinder outside diameter Φ 6mm, high 0.5mm, projection
Wide 0.5mm, high 1mm, the diameter of phi 1.5mm of through hole two, apart from big cylindrical end face 2.1mm, projection is with through hole two in the axle of output shaft 4
It it is 0 ° to the angle of projection；
Fastener 2 diameter of phi 1.5mm, long 3.8mm.
Claims (6)
1. a kind of Anti-extrusion mechanism, it is characterised in that the mechanism includes end cap (1), fastener (2), top (3), output shaft
(4)；
Output shaft (4) is formed by two cylinders of different sizes are coaxially connected；
On the center of the small cylinder end face of output shaft (4), along cylinder axis to offering an axial hole；
One end close to output shaft (4) axial hole in the small cylinder side wall of output shaft (4) offers radial direction through hole；
Top (3) are a tubular structures, and top (3) are enclosed on the small cylinder of output shaft (4), and top (3) are output axle (4)
Big cylinder limits a motion along output shaft (4) axis direction, on top (3) with output shaft (4) radial direction through hole phase
Corresponding position offers through hole one；
Opened up on the outer wall of the tubular structure of top (3) fluted；
End cap (1) is formed by two cylinders of different sizes are coaxially connected；
The small cylinder part of end cap (1) is inserted into the axial hole of output shaft (4), in the small cylinder part of end cap (1)
The position corresponding with output shaft (4) radial direction through hole offers through hole two；
The big cylindrical portion of end cap (1) limits top (3) and deviate from from output shaft (4)；
Projection is carried in the big cylindrical portion of end cap (1), in the presence of external force, the projection can be to output shaft (4) axially
Bending；End cap (1) upper process and through hole two output shaft (4) axis projection angle, different from top (3) upper groove and through hole
One output shaft (4) axis projection angle；
Fastener (2) is cylindrical structure, and after fastener (2) passes through the through hole one of top (3), it is radially logical to stretch into output shaft (4)
In the through hole two of hole and end cap (1), limitation end cap (1) is deviate from out of output shaft (4) axial hole；
Top (3) after rotation, the groove location of top (3) is corresponding with the projection position of end cap (1), and end cap (1) is dashed forward
Rise under external force, be folded into the groove of top (3), limit the rotation of top (3) along output shaft (4) axial direction.
2. according to a kind of Anti-extrusion mechanism described in claim 1, it is characterised in that end cap (1) upper process and through hole
Two output shaft (4) axis projection angle, top (3) upper groove and through hole one it is equal in the angle of output shaft (4) axis projection
It can adjust.
3. according to a kind of Anti-extrusion mechanism described in claim 1, it is characterised in that the fastener (2) uses pin.
4. according to a kind of Anti-extrusion mechanism described in claim 1, it is characterised in that on top (3) and output shaft
(4) the corresponding position of radial direction through hole offers two through holes.
5. according to a kind of Anti-extrusion mechanism described in claim 1, it is characterised in that the projection on the end cap (1) is two
It is individual.
6. according to a kind of Anti-extrusion mechanism described in claim 1, it is characterised in that opened up on the outer wall of top (3)
There are two grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720672667.5U CN206889441U (en) | 2017-06-12 | 2017-06-12 | A kind of Anti-extrusion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720672667.5U CN206889441U (en) | 2017-06-12 | 2017-06-12 | A kind of Anti-extrusion mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206889441U true CN206889441U (en) | 2018-01-16 |
Family
ID=61318180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720672667.5U Active CN206889441U (en) | 2017-06-12 | 2017-06-12 | A kind of Anti-extrusion mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206889441U (en) |
-
2017
- 2017-06-12 CN CN201720672667.5U patent/CN206889441U/en active Active
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