CN2934722Y - Turning shaft structure with automatic locking function - Google Patents
Turning shaft structure with automatic locking function Download PDFInfo
- Publication number
- CN2934722Y CN2934722Y CN 200620121090 CN200620121090U CN2934722Y CN 2934722 Y CN2934722 Y CN 2934722Y CN 200620121090 CN200620121090 CN 200620121090 CN 200620121090 U CN200620121090 U CN 200620121090U CN 2934722 Y CN2934722 Y CN 2934722Y
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- CN
- China
- Prior art keywords
- turning shaft
- shaft structure
- automatic blocking
- tool automatic
- friction plate
- 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 - Lifetime
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a self-locking rotor axis. An axial rod extending in axial direction is put through the core hole in the vertical frame surface of a main frame, at least a friction plate, a cam component consisting of a mounting piece and a sliding piece and at least a elastic body; and the conjugation segment of the free end of the axial rod combines with an end sealing piece, so as to form a component tightened in axial direction and regulating the front loading; a connecting part and a conjugation part are arranged on the axial rod and the main frame respectively; the inner and outer circles of the approximal surface of the mounting piece and sliding piece overlap, and at least one sphenoid block and at least one sphenoid slot are arranged and coupled by abutting joint; a tenon projecting from one side of the neighboring face of the mounting piece is arranged to facilitate plugging into the tenon slot provided on the frame face and achieve locating.
Description
Technical field
The utility model is a kind of turning shaft structure, refers to a kind of turning shaft structure of tool automatic blocking especially.
Background technique
The consumption electronic products of tool flip, such as portable computer, e-dictionary, portable video-audio playing device and cover-lifting type mobile phone ... etc., substantially, be that main part is placed Lower Half, and the cover body part by the rotating shaft and the first half links the folding that cover body part be can be with respect to main part.Therefore, rotating shaft is also for determining a big essential factor of the said goods quality.In fact, good rotating shaft, except that necessary stagnation effect, and the restriction etc. of angle during folding, the also key element that must consider for the rotating shaft designing institute.
But aforesaid 3C electronic product, for avoiding any folding of main part and cover body part, so the open end between the two is typically provided with at least one sliding type or press-switching so that when closed, can by by this switch with both combinations, and be in closed condition.Yet this kind closedown mode must be opened hole and locking assembly relatively at the turning shaft structure of tool automatic blocking, not only increases the complexity of assembling, also increases manufacture cost simultaneously, and is not inconsistent economic benefit.
Announce M254878 patent case as TaiWan, China, promptly disclose a kind of pivot device of tool locating function, it is that compound rod by a pivot is connected in series a pad, a location piece, a positioning block and one group of elastic component in regular turn, and in the elastic component ora terminalis with a fixed by nut.Wherein, the non-relative position of this location piece circular hole periphery is provided with first recess and second recess, and positioning block is provided with first projection with respect to the first recess place, is provided with second projection with respect to the second recess place, makes this location piece and the positioning block can be chimeric each other.That is the location piece of this case is directly to be articulated in loam cake or base, and by to replace existing support body, it no doubt can obtain the purpose of assembly economization.But the significant disappearance of this case is that its frictional force is the pad that betides between pivot and the location piece, and between location piece and the positioning block, often can't provide enough friction torsion, and demands relevant dealer's improvement urgently.
In view of this, the utility model claimant this in the experience of being engaged in rotating shaft design and production and marketing for many years, phase is taken off many disappearances that turning shaft structure can't provide blocking function before improving, and give turning shaft structure tool automatic blocking and increase working life, through experiment and test repeatedly, and then develop and " turning shaft structure of tool automatic blocking " of the present utility model.
The model utility content
The purpose of this utility model provides a kind of turning shaft structure of tool automatic blocking, and it has overcome many disappearances of prior art, and gives turning shaft structure tool automatic blocking and increase working life.
The utility model is the heart hole of the axially extended jack-post of an axis bar being passed through in regular turn a body frame body vertical frame face, at least one friction plate, one cam member of forming by a fixed block and a slider, at least one elastomer, and the free-ended adapter section of this jack-post is combined with an end sealing, to form the assembly of taking off before axial packing and the standard; This axis bar and body frame body are respectively equipped with a convergence part and a joining portion, and fixed block is outer with the approximal surface of slider, inner ring relative staggered be provided with at least one wedge-shaped blocks and at least one wedge slot, both and relative bonding, and this fixed block adjacent frame face one pleurapophysis is stretched a prominent tenon, so that be intercalated in the corresponding tongue-and-groove that is provided with of frame face, to form the location; So that in the time of can rotating by axis bar, the wedge slot inclined-plane of this slider moves on the wedge-shaped blocks inclined-plane, thus the axial compression elastomer, and the contact plane of slider can be rotated along each wedge-shaped blocks of fixed block; When counter-rotating, each wedge slot of this slider moves to each wedge-shaped blocks of fixed block in addition, then by the elastomer extensional process, each wedge slot is buckled in each wedge-shaped blocks, thereby forms the automatic blocking of butt joint.
The utility model secondary objective provides a kind of turning shaft structure of tool automatic blocking, and wherein this friction plate is to be two.In addition, the approximal surface of this face and fixed block and friction plate is provided with the oilhole of arranging in the form of a ring respectively, and friction plate then is provided with at least two oilholes, so that ccontaining lubricant grease.
Another purpose of the utility model provides a kind of turning shaft structure of tool automatic blocking, and wherein this elastomer is to be selected from spring, waveform splinter or dish-shaped shell fragment.
The another purpose of the utility model provides a kind of turning shaft structure of tool automatic blocking, wherein should wedge-shaped blocks and wedge slot outer, inner ring respectively be provided with two.
The utility model purpose again provides a kind of turning shaft structure of tool automatic blocking, wherein this this body frame body heart hole peripheral process of being adjacent to axis bar is established a block, jack-post is socket one stop member of interlock with it then, so that by by its radially projection two the retaining edge touch block, with restriction as angle.
So, via enforcement of the present utility model, its be with the joint of the special cam member of the identical sequential of inside and outside circle tool with separate so that obtain the function of automatic blocking and releasing, the puzzlement and inconvenience of switch are set with release, and are applied to the electronic goods of " light, thin, short, little ".In addition, the utility model is in slider projection one prominent tenon, so that direct intercalation also is fixedly arranged on body frame body one side, and be provided with at least one friction plate in addition between itself and body frame body, and friction plate and adjacent assembly all have the design of oilhole, best lubrication effect can be provided, thereby significantly increase the working life of turning shaft structure.Particularly, frictional force of the present utility model is to betide the fixed block of cam member and the friction plate of slider, cam member and frame face, and between stop member and the frame face, does not have the embarrassed shape of torsion deficiency, really the big good structure for doing and see before the ware.
Description of drawings
Be further to disclose concrete technology contents of the present utility model, at first see also graphic, wherein:
Fig. 1 is the three-dimensional exploded view of the turning shaft structure of the utility model tool automatic blocking;
Fig. 2 is the three-dimensional exploded view at another visual angle of the utility model;
Fig. 3 is the sectional drawing of the utility model group after upright;
Fig. 4 is the stereogram of the utility model group after upright;
Fig. 5 a and Fig. 5 b are the schematic perspective view of the utility model when locking.
Embodiment
To shown in Figure 5, basically, turning shaft structure of the present utility model is by an axis bar 1, one body frame body 2 as Fig. 1, at least one friction plate 3, one cam members 4, and at least one elastomer 5, and an end sealing 6 combines.
Wherein, axis bar 1 is a body of rod, and it is made of a jack-post 11 and a convergence part 12, and this jack-post 11 axially has at least one face 111 that mills, so as with after the friction plate 3 chatted and slider 42 sockets of cam member 4, make them can be with jack-post 11 synchronous starts.Moreover these jack-post 11 free ends extend an adapter section 112, and for example end sealing 6 combinations of screw thread to chat after an action of the bowels chat after making that each assembly that is connected in series is unlikely axially to be deviate from.
As shown in the figure, this is outer, the wedge-shaped blocks 412 of inner ring and the purpose that wedge slot 422 is provided with two are, the strength that can disperse single wedge slot 422 to move on wedge-shaped blocks 412 inclined-planes, and produce the labour-saving effect, can increase frictional force simultaneously.In addition, this fixed block 41 is frame face 21 1 sides that are fixedly arranged on body frame body 2, for example corresponding to this tongue-and-groove 212 position projections one prominent tenon 413, so that be intercalated in this tongue-and-groove 212.Moreover this fixed block 41 and friction plate 3 approximal surfaces are opened the oilhole 414 of a plurality of circular array, so that ccontaining lubricant grease, so that and form preferable lubrication effect between the friction plate 3.
End sealing 6 is the adapter sections 112 that are incorporated into jack-post 11, in order to take off each assembly before the standard, it is unlikelyly deviate from by jack-post 11.This end sealing 6 is to be an anticreep screw when implementing.
In addition, for making this body frame body 2 have rotation restriction initial and terminal point, be with, heart hole 211 peripheral processes of its adjacent shafts rod member 1 are established a block 214, jack-post 11 is socket one stop member 7 of interlock with it then, so that by by its radially two retaining edge 71 of projection touch block 214, with as angle limits closed and expansion.
See also Fig. 1 to Fig. 4, during the utility model assembling, be that this jack-post 11 is passed through the heart hole 211 of a stop member 7, a body frame body 2, two friction plates 3, a fixed block 41, a slider 42, a plurality of elastomer 5 and pads 61 in regular turn, and its free-ended adapter section 112 is combined with an end sealing 6, promptly finish the assembling of the utility model turning shaft structure.
See also shown in Fig. 5 a, when cover body part inwardly covers, axis bar 1 is rotated synchronously, at this moment, the contact plane of slider 42 is each wedge-shaped blocks 412 rotation along fixed block 41, and axial compression elastomer 5.And when each wedge slot 422 of slider 42 moves to each wedge-shaped blocks 412 of fixed block 41, then shown in Fig. 5 b,, each wedge slot 422 is buckled in each wedge-shaped blocks 412 then by by elastomer 5 extensional processes, and form the automatic blocking state of butt joint.
That the utility model disclosed is a kind of of preferred embodiment, and patent right category of the present utility model is not all taken off in Ju Bu change or modification and come from technological thought of the present utility model and be easy to the person of knowing by inference by the people who has the knack of this skill such as.
Claims (7)
1. the turning shaft structure of a tool automatic blocking, it is characterized in that, the axially extended jack-post of one axis bar passes through the heart hole of a body frame body vertical frame face in regular turn, at least one friction plate, one cam member of forming by a fixed block and a slider, at least one elastomer, and the free-ended adapter section of this jack-post is combined with an end sealing; This axis bar and body frame body are respectively equipped with a convergence part and a joining portion, and fixed block is outer with the approximal surface of slider, inner ring relative staggered be provided with at least one wedge-shaped blocks and at least one wedge slot, both and relative bonding, and this fixed block adjacent frame face one pleurapophysis is stretched a prominent tenon, so that be intercalated in the corresponding tongue-and-groove that is provided with of frame face, to form the location.
2. the turning shaft structure of tool automatic blocking as claimed in claim 1 is characterized in that, described this friction plate is to be two.
3. the turning shaft structure of tool automatic blocking as claimed in claim 1 is characterized in that, the approximal surface of described this face and fixed block and friction plate is provided with the oilhole of arranging in the form of a ring respectively, and friction plate then is provided with at least two oilholes.
4. the turning shaft structure of tool automatic blocking as claimed in claim 1 is characterized in that, described this elastomer is to be selected from spring, waveform splinter or dish-shaped shell fragment.
5. the turning shaft structure of tool automatic blocking as claimed in claim 1 is characterized in that, described this wedge-shaped blocks and wedge slot outer, inner ring respectively be provided with two.
6. the turning shaft structure of tool automatic blocking as claimed in claim 1 is characterized in that, described this body frame body is adjacent to the heart hole peripheral process of axis bar and establishes a block, and jack-post is socket one stop member of interlock with it then.
7. the turning shaft structure of tool automatic blocking as claimed in claim 1 is characterized in that, is provided with a pad between described this elastomer and the end sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620121090 CN2934722Y (en) | 2006-07-07 | 2006-07-07 | Turning shaft structure with automatic locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620121090 CN2934722Y (en) | 2006-07-07 | 2006-07-07 | Turning shaft structure with automatic locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2934722Y true CN2934722Y (en) | 2007-08-15 |
Family
ID=38351411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620121090 Expired - Lifetime CN2934722Y (en) | 2006-07-07 | 2006-07-07 | Turning shaft structure with automatic locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2934722Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429968B (en) * | 2007-11-07 | 2010-06-16 | 兆利科技工业股份有限公司 | Coating type pivot mechanism with easy mandrel emendation |
| WO2017219630A1 (en) * | 2016-06-22 | 2017-12-28 | 广东百事泰电子商务股份有限公司 | Limitable damping pivoting mechanism and table lamp having same |
| CN111203696A (en) * | 2020-01-17 | 2020-05-29 | 丁翔 | Automatic cutter mesh feeding device for assembling shaver head |
-
2006
- 2006-07-07 CN CN 200620121090 patent/CN2934722Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429968B (en) * | 2007-11-07 | 2010-06-16 | 兆利科技工业股份有限公司 | Coating type pivot mechanism with easy mandrel emendation |
| WO2017219630A1 (en) * | 2016-06-22 | 2017-12-28 | 广东百事泰电子商务股份有限公司 | Limitable damping pivoting mechanism and table lamp having same |
| CN111203696A (en) * | 2020-01-17 | 2020-05-29 | 丁翔 | Automatic cutter mesh feeding device for assembling shaver head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHAOWANG TECHNOLOGY (SHANGHAI) CO., LTD. Free format text: FORMER OWNER: ZHAOLI SCIENCE INDUSTRIAL STOCK CO., LTD. Effective date: 20100122 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100122 Address after: No. 639 Light Middle Road, Shanghai, Minhang District: 201100 Patentee after: Siu Wang Technology (Shanghai) Co., Ltd. Address before: Postcode of Taiwan County, Taipei, china: Patentee before: Jarllytec Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070815 |
|
| EXPY | Termination of patent right or utility model |