CN206764650U - A kind of retaining mechanism - Google Patents
A kind of retaining mechanism Download PDFInfo
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- CN206764650U CN206764650U CN201720120044.7U CN201720120044U CN206764650U CN 206764650 U CN206764650 U CN 206764650U CN 201720120044 U CN201720120044 U CN 201720120044U CN 206764650 U CN206764650 U CN 206764650U
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- overcoat
- retaining mechanism
- spherical
- assembled
- connecting shaft
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Abstract
Technical field of tooling clamps is the utility model is related to, more particularly to a kind of retaining mechanism.The retaining mechanism includes winding device, connecting shaft, chaste tree wheel, spherical, overcoat and workpiece to be assembled, the top of the connecting shaft is connected with winding device, the chaste tree wheel is positioned at the lower section of connecting shaft, the outer wheel face of the chaste tree wheel is provided with arc involute gear tooth, the spherical is arranged in the groove of arc involute gear tooth, the overcoat is sheathed on the outside of the chaste tree wheel, and the bottom of the overcoat is provided with the positioning hole corresponding with the arc involute gear tooth position, the workpiece to be assembled is enclosed on the lower outside of overcoat；The winding device drives connecting shaft to rotate, and the spherical faces out expansion in positioning hole length range along the arc of arc involute gear tooth, and blocks the workpiece inner wall to be assembled.The utility model by way of spherical clamping workpiece inwall and transmission force is assembled, efficiently solve small light saddle can not clamp inconvenience assembling technical barrier.
Description
Technical field
Technical field of tooling clamps is the utility model is related to, more particularly to a kind of retaining mechanism.
Background technology
With making rapid progress for electronic technology, electronic product is towards miniaturization, intelligent development, the work inside electronic product
Part size is also less and less therewith, and the assembling for miniature workpiece will become more difficult.In the prior art, for small-sized work
The assembling of part, can only be by manually being assembled the rotation of exerting oneself of upper and lower two workpiece, but because workpiece is smaller and surface is smooth
Without anchor point, cause packaging efficiency low and easily hurt hand.At present, determining for small-sized and smooth surface workpiece is not exclusively used in also
Position clamping tool.
Utility model content
The purpose of this utility model is to provide a kind of retaining mechanism, it is intended at least solves prior art to a certain extent
In one of above-mentioned technical problem.
In order to solve the above problems, the utility model provides following technical scheme：
A kind of retaining mechanism, including winding device, connecting shaft, chaste tree wheel, spherical, overcoat and workpiece to be assembled, the company
The top of spindle is connected with winding device, and the chaste tree wheel is provided with arc positioned at the lower section of connecting shaft, the outer wheel face of the chaste tree wheel
Involute gear tooth, the spherical are arranged in the groove of arc involute gear tooth, and the overcoat is sheathed on the outer of the chaste tree wheel
Side, and the bottom of the overcoat is provided with the positioning hole corresponding with the arc involute gear tooth position, the workpiece to be assembled
It is enclosed on the lower outside of overcoat；The winding device drives connecting shaft rotation, and the spherical is in positioning hole length range interior edge
The arc for arc involute gear tooth faces out expansion, and is partially protrude through outside the positioning hole, with the workpiece to be assembled
Inwall clamping.
The technical scheme that the utility model embodiment is taken also includes：The diameter on the overcoat top is more than overcoat bottom
Diameter, the diameter of the overcoat bottom are less than the diameter of workpiece to be assembled, and the part that the overcoat bottom is provided with positioning hole is stretched into
To the inner side of workpiece to be assembled.
The technical scheme that the utility model embodiment is taken also includes：The joining place on the overcoat top and bottom includes one
Step.
The technical scheme that the utility model embodiment is taken also includes：The height of the positioning hole is less than the spherical
Diameter, the length of the positioning hole are corresponding with the length of arc involute gear tooth.
The technical scheme that the utility model embodiment is taken also includes lower cover, and the lower cover is arranged at the bottom of connecting shaft,
The chaste tree wheel is located at the bottom of lower cover.
The technical scheme that the utility model embodiment is taken also includes upper lid, and the circle centre position of the upper lid is provided with through hole, institute
Lid is stated to pass through connecting shaft by the through hole and be covered in the top of the lower cover.
The technical scheme that the utility model embodiment is taken also includes fixture, the top of the overcoat by fixture with
Upper lid is fixedly connected.
The technical scheme that the utility model embodiment is taken also includes elastic component, and the elastic component is located at overcoat and upper lid
Junction.
The technical scheme that the utility model embodiment is taken also includes：The diameter on the overcoat top is more than the straight of upper lid
Footpath, the overcoat top and the junction of upper lid have gap.
The technical scheme that the utility model embodiment is taken also includes：The spherical is steel ball, the arc involute
The quantity of the gear teeth, spherical and positioning hole is respectively at least two or two or more.
Relative to prior art, beneficial effect caused by the utility model embodiment is：The utility model embodiment
Retaining mechanism is by way of spherical clamping workpiece inwall and transmission force is assembled, and efficiently solves small light saddle
The technical barrier of inconvenience assembling can not be clamped；The utility model is simple in construction, easy to use, cost is relatively low, is greatly improving group
While filling efficiency, assembling security is improved.
Brief description of the drawings
Fig. 1 is the structural representation of the retaining mechanism of the utility model embodiment；
Fig. 2 is the structural representation of the chaste tree wheel of the utility model embodiment；
Fig. 3 is the structural representation of the overcoat of the utility model embodiment；
Fig. 4 is the assembling schematic diagram of overcoat and workpiece to be assembled；
Fig. 5 is the fundamental diagram of the retaining mechanism of the utility model embodiment.
Reference：Lid, 2- connecting shafts, 3- lower covers, 4- chaste trees wheel, 5- sphericals, 6- elastic components, 7- overcoats, 8- are solid on 1-
Determine part, 9- through holes, 10- arcs involute gear tooth, 11- positioning holes, 12- workpiece to be assembled, 13- steps.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, it is not used to limit the utility model.
Referring to Fig. 1, it is the structural representation of the retaining mechanism of the utility model embodiment.The utility model embodiment
Retaining mechanism includes upper lid 1, connecting shaft 2, lower cover 3, chaste tree wheel 4, spherical 5, elastic component 6, overcoat 7 and fixture 8；Wherein, even
The top of spindle 2 is connected with winding device (not shown), and lower cover 3 is arranged at the bottom of connecting shaft 2.The circle centre position of upper lid 1 is provided with
Through hole 9, upper lid 1 through connecting shaft 2 and are covered in the top of lower cover 3 by the through hole 9.It is that this practicality is new also referring to Fig. 2
The structural representation of the chaste tree wheel of type embodiment.Chaste tree wheel 4 be located at lower cover 3 bottoms, chaste tree wheel 4 outer wheel face be provided with least two or
More than two sphericals 5 of arc involute gear tooth 10, at least two or more than two are arranged in each arc and gradually opened respectively
The groove of line wheel tooth 10.Overcoat 7 is sheathed on the outside of lower cover 3 and chaste tree wheel 4, and the top of overcoat 7 passes through fixture 8 and upper lid 1
It is fixedly connected, elastic component 6 is located at the junction of overcoat 7 and upper lid 1.It is the outer of the utility model embodiment also referring to Fig. 3
The structural representation of set.The bottom of overcoat 7 is provided with least two or more than two positioning holes 11, the position of positioning hole 11 and arc
The position of shape involute gear tooth 10 is to correspondence, and the height of positioning hole 11 is slightly less than the diameter of spherical 5, and passing through positioning hole 11 will
Spherical 5 is covered between chaste tree wheel 4 and overcoat 7.
It is the assembling schematic diagram of overcoat and workpiece to be assembled also referring to Fig. 4.In the utility model embodiment, outside
The diameter for covering 7 bottoms is slightly less than the diameter of workpiece 12 to be assembled, and workpiece 12 to be assembled is enclosed on the lower outside of overcoat 7, under overcoat 7
The part that portion is provided with positioning hole 11 (and chaste tree wheel 4 and the spherical 5 in the outside of chaste tree wheel 4) can be entered in workpiece 12 to be assembled
Side, when connecting shaft 2 drives chaste tree wheel 4 to rotate, spherical 5 is in the length range of positioning hole 11 along arc involute gear tooth 10
Arcwall face constantly outwards expands, and is partially protrude through outside positioning hole 11, so as to block the inwall of workpiece 12 to be assembled.Overcoat 7
The diameter on top is slightly larger than the diameter of the bottom of overcoat 7, and the joining place of the top of overcoat 7 and bottom includes a step 13, the step 13
The upper surface of workpiece 12 to be assembled can be pushed down from top, assembled workpiece 12 is treated and is positioned, is easy to workpiece 12 to be assembled
Lay.
In the utility model embodiment, the diameter on the top of overcoat 7 is slightly larger than the diameter of upper lid 1, the top of overcoat 7 and upper lid
1 junction has certain gap (being about 1.5mm), and elastic component 6 is used to increase the pretightning force between overcoat 7 and upper lid 1,
Overcoat 7 is fitted close with upper lid 1, can mutually rotate again.
In the utility model embodiment, the diameter of the through hole 9 of the upper circle centre position of lid 1 is slightly larger than the diameter of connecting shaft 2, therefore
It can ensure that connecting shaft 2 when rotated will not be by upper lid 1 and the resistance of overcoat 7.
In the utility model embodiment, the quantity of arc involute gear tooth 10, spherical 5 and positioning hole 11 is corresponding,
The length of positioning hole 11 is corresponding with the length of arc involute gear tooth 10；In the utility model embodiment, arc involute wheel
The quantity of tooth 10, spherical 5 and positioning hole 11 is respectively preferably 3, can specifically be set according to the actual requirements.
In the utility model embodiment, spherical 5 can be the spherical structure of arbitrary profile, the utility model embodiment
Preferably steel ball.
In the utility model embodiment, elastic component 6 is spring.
In the utility model embodiment, winding device is electric screwdriver or other are used for the instrument that screws, tighten.
In the utility model embodiment, fixture 8 is screw, and the quantity of fixture 8 is at least two or two or more,
The utility model embodiment is preferably 3.
Referring to Fig. 5, it is the fundamental diagram of the retaining mechanism of the utility model embodiment.The utility model embodiment
Operation principle is：Workpiece 12 to be assembled is enclosed on to the bottom of overcoat 7, connecting shaft 2, lower cover 3 and chaste tree wheel 4 are driven by winding device
Turned clockwise, upper lid 1 and overcoat 7 are fixed, and spherical 5 is squeezed by the arc involute gear tooth on chaste tree wheel 4
Pressure, constantly can outwards it expand along the arcwall face of arc involute gear tooth 10 in the length range of positioning hole 11, and part is prominent
Outside positioning hole 11, so as to the inwall clamping of workpiece to be assembled 12 with the bottom of overcoat 7, treat assembled workpiece 12 and be fixed
Afterwards, winding device continues to drive workpiece 12 to be assembled to rotate and assembled with other workpiece；In Figure 5, when spherical 5 is by original
When the position come is moved to dotted line spherical body position, three sphericals expand outwardly, so as to clamping workpiece 12 to be assembled
Inwall (dotted line position in outside is the inwall of workpiece 12 to be assembled).After being completed, driven and connected by winding device
Axle 2, lower cover 3 and chaste tree wheel 4 are reversely rotated, and the extruding force that spherical 5 is subject to disappears, and unclamps the inwall of workpiece 12 to be assembled simultaneously
Return to original position.Workpiece assembling, which is carried out, using the utility model embodiment may be such that packaging efficiency at least improves more than 5 times.
It is appreciated that the utility model embodiment go for the smooth no anchor point of all surface small-sized handware,
The component that the needs such as plastic parts or ceramic member rotate and assembled mutually.
The transmission force progress by way of spherical clamping workpiece inwall of the retaining mechanism of the utility model embodiment
Assembling, the technical barrier of inconvenience assembling can not be clamped by efficiently solving small light saddle；The utility model is simple in construction, uses
Conveniently, cost is relatively low, while packaging efficiency is greatly improved, improves assembling security.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
1. a kind of retaining mechanism, it is characterised in that including winding device, connecting shaft, chaste tree wheel, spherical, overcoat and work to be assembled
Part, the top of the connecting shaft are connected with winding device, and the chaste tree wheel is on the lower section of connecting shaft, the outer wheel face of the chaste tree wheel
Provided with arc involute gear tooth, the spherical is arranged in the groove of arc involute gear tooth, and the overcoat is sheathed on described
The outside of chaste tree wheel, and the bottom of the overcoat is provided with the positioning hole corresponding with the arc involute gear tooth position, it is described to treat
Assembled workpiece is enclosed on the lower outside of overcoat；The winding device drives connecting shaft rotation, and the spherical is in positioning hole length
In the range of along the arc of arc involute gear tooth face out expansion, and be partially protrude through outside the positioning hole, treated with described
The inwall clamping of assembled workpiece.
2. retaining mechanism according to claim 1, it is characterised in that the diameter on the overcoat top is more than overcoat bottom
Diameter, the diameter of the overcoat bottom are less than the diameter of workpiece to be assembled, and the part that the overcoat bottom is provided with positioning hole is stretched into
To the inner side of workpiece to be assembled.
3. retaining mechanism according to claim 2, it is characterised in that the joining place on the overcoat top and bottom includes one
Step.
4. retaining mechanism according to claim 1, it is characterised in that the height of the positioning hole is less than the spherical
Diameter, the length of the positioning hole are corresponding with the length of arc involute gear tooth.
5. retaining mechanism according to claim 1, it is characterised in that be also arranged at connecting shaft including lower cover, the lower cover
Bottom, chaste tree wheel is located at the bottom of lower cover.
6. retaining mechanism according to claim 5, it is characterised in that be also provided with including upper lid, the circle centre position of the upper lid
Through hole, the upper lid through connecting shaft and are covered in the top of the lower cover by the through hole.
7. retaining mechanism according to claim 6, it is characterised in that also pass through including fixture, the top of the overcoat
Fixture is fixedly connected with upper lid.
8. retaining mechanism according to claim 7, it is characterised in that be also located at overcoat including elastic component, the elastic component
With the junction of upper lid.
9. retaining mechanism according to claim 8, it is characterised in that the diameter on the overcoat top is more than the straight of upper lid
Footpath, the overcoat top and the junction of upper lid have gap.
10. according to the retaining mechanism described in any one of claim 1 to 9, it is characterised in that the spherical is steel ball, described
The quantity of arc involute gear tooth, spherical and positioning hole is respectively at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720120044.7U CN206764650U (en) | 2017-02-09 | 2017-02-09 | A kind of retaining mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720120044.7U CN206764650U (en) | 2017-02-09 | 2017-02-09 | A kind of retaining mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206764650U true CN206764650U (en) | 2017-12-19 |
Family
ID=60647100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720120044.7U Active CN206764650U (en) | 2017-02-09 | 2017-02-09 | A kind of retaining mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN206764650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108406667A (en) * | 2017-02-09 | 2018-08-17 | 深圳市三诺数字科技有限公司 | A kind of retaining mechanism |
-
2017
- 2017-02-09 CN CN201720120044.7U patent/CN206764650U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108406667A (en) * | 2017-02-09 | 2018-08-17 | 深圳市三诺数字科技有限公司 | A kind of retaining mechanism |
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