CN201439802U - Pivot device with stop function - Google Patents
Pivot device with stop function Download PDFInfo
- Publication number
- CN201439802U CN201439802U CN2009201653423U CN200920165342U CN201439802U CN 201439802 U CN201439802 U CN 201439802U CN 2009201653423 U CN2009201653423 U CN 2009201653423U CN 200920165342 U CN200920165342 U CN 200920165342U CN 201439802 U CN201439802 U CN 201439802U
- Authority
- CN
- China
- Prior art keywords
- pad
- rotation
- bolster
- backstop
- rotating shaft
- 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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- 230000004323 axial length Effects 0.000 claims description 12
- 230000009471 action Effects 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Abstract
The utility model relates to a pivot device with a stop function. A first torsion force is formed between a fixing stop washer and a rotary stop washer, a second torsion force is formed between the rotary stop washer and a rotary staddle, and a third torsion force is formed between the rotary staddle and a positioning washer. The first torsion force is greater than the second torsion force, and the second torsion force is greater than the third torsion force. Therefore, when the force is not applied, the rotary staddle is separated from the rotary stop washer firstly, and then the rotary stop washer and the fixing stop washer are protected from being damaged.
Description
Technical field
The utility model is a kind of pivot device of tool backstop function, is meant especially between a kind of loam cake and base that is installed in cover-lifting type electronic device, makes loam cake be able to the pivot device of the tool backstop function that opens and closes with respect to base.
Background technique
In the general common cover-lifting type electronic device, be to be equiped with pivot device between loam cake and base, the pivot device of prior art includes assemblies such as rotating shaft, pad, bolster, in order to prevent that loam cake from excessively rotating with respect to base, and damage shell or internal electron circuit, the pivot device of prior art includes two corresponding spacing shims and forms the backstop effect, with the angle of swing of restriction loam cake.Yet, when forcing loam cake excessively to rotate when the accidentally excessive application of force of user, though shell and internal electron circuit are not damaged yet, but the spacing shim of the pivot device of prior art is damaged because of the improper application of force earlier, then make it forever lose limit function, and increase maintenance cost on foot and cause the inconvenience of in the future using.
The model utility content
Because the shortcoming of aforesaid prior art, the purpose of this utility model is the pivot device of prior art is improved, and is impaired under the improper application of force with the pivot device of avoiding prior art.
For reaching above-mentioned creation purpose, the technological means that the utility model adopted is the pivot device of a kind of tool backstop function of design, comprising:
One fixing bolster;
One rotating shaft, with this fixedly bolster interfix;
One fixed stop pad, it non-rotatably is sheathed in the rotating shaft, and the fixed stop pad is formed with a spacing rib;
One rotation backstop pad, it is sheathed on outside the rotating shaft and adjacent to the fixed stop pad with articulating, first side shaft of rotation backstop pad is formed with a spacing block set to extension, the spacing block set of rotation backstop pad is optionally to support mutually with the spacing rib of fixed stop pad, second side shaft of rotation backstop pad is formed with at least one fixture block to extension, and the fixture block both ends of the surface are flat;
One rotation bolster, be sheathed on to its pivot joint outside the rotating shaft and adjacent to rotating the backstop pad, first side shaft of rotation bolster concaves and is formed with at least one buckling groove, the buckling groove both ends of the surface are flat, the fixture block of the buckling groove of rotation bolster and rotation backstop pad is tabling separably, second side shaft of rotation bolster concaves and is formed with at least one positioning groove, and the positioning groove both ends of the surface are skewed;
One location pad, it is outer and adjacent to the rotation bolster that it non-rotatably is sheathed on rotating shaft, first side shaft of locating washer is formed with at least one positioning convex portion to extension, and the positioning convex portion both ends of the surface are skewed, and the positioning convex portion of locating washer is corresponding with the positioning groove of rotation bolster;
One elastic component, it is sheathed in the rotating shaft and adjacent to locating washer;
One urgent, it is sheathed and be fixed in the rotating shaft end.
Wherein, rotating shaft wears and is fixed in fixedly in the bolster; The fixed stop pad is sheathed and be fixed in outside the rotating shaft, and the periphery of fixed stop pad radially extends the spacing rib of shaping arc; The spacing block set of rotation backstop pad is resisted against on the periphery of fixed stop pad.
Wherein, the spacing rib of spacing block set ejection constitutes that first torsion, the chimeric buckling groove of fixture block constitute second torsion, the chimeric positioning groove of positioning convex portion constitutes the 3rd torsion, first torsion greater than second torsion greater than the 3rd torsion.
The utility model also provides a kind of pivot device of tool backstop function, comprising:
One fixing bolster;
One rotating shaft, with this fixedly bolster interfix;
One fixed stop pad, it non-rotatably is sheathed in the rotating shaft, and the fixed stop pad is formed with a spacing rib;
One rotation backstop pad, it is sheathed on outside the rotating shaft and adjacent to the fixed stop pad with articulating, first side shaft of rotation backstop pad is formed with a spacing block set to extension, the spacing block set of rotation backstop pad is optionally to support mutually with the spacing rib of fixed stop pad, and second side shaft of rotation backstop pad is formed with at least one fixture block to extension;
One rotation bolster, be sheathed on to its pivot joint outside the rotating shaft and adjacent to rotating the backstop pad, first side shaft of rotation bolster concaves and is formed with at least one buckling groove, the fixture block of the buckling groove of rotation bolster and rotation backstop pad is tabling separably, and second side shaft of rotation bolster concaves and is formed with at least one positioning groove;
One location pad, it non-rotatably is sheathed on outside the rotating shaft and adjacent to the rotation bolster, first side shaft of locating washer is formed with at least one positioning convex portion to extension, and the positioning convex portion of locating washer is corresponding with the positioning groove of rotation bolster;
One elastic component, it is sheathed in the rotating shaft and adjacent to locating washer; And
One urgent, it is sheathed and be fixed in the rotating shaft end;
Wherein, the spacing block set axial length that is stuck in spacing rib snaps in the axial length of buckling groove greater than fixture block; And
Wherein, the fixture block axial length that snaps in buckling groove snaps in the axial length of positioning groove greater than positioning convex portion.
Advantage of the present utility model is, under normal circumstances, chimeric and feasible rotation bolster driven rotary backstop pad by fixture block and buckling groove rotates, then, the spacing block set ejection continues rotation when stoping the rotation bolster when the spacing rib, and then the angle of swing of restriction rotation bolster, but when improper application of force situation following time, because first torsion is greater than second torsion, so the improper strength that applies can force buckling groove to break away from fixture block earlier, then rotating bolster is rotated further and can't continues driven rotary backstop pad, therefore, mutual ejection relation between rotation backstop pad and fixed stop pad is still kept, and then destroys when avoiding the excessive application of force of user and rotate backstop pad and fixed stop pad.
Description of drawings
Fig. 1 is an assembly exploded view of the present utility model;
Fig. 2 is the assembly exploded view at another visual angle of the utility model;
Fig. 3 is the stereogram of the utility model closed action;
Fig. 4 is the front elevation of the utility model closed action;
Fig. 5 is the top view of the utility model closed action;
Fig. 6 is the stereogram of the utility model breakdown action;
Fig. 7 is the front elevation of the utility model breakdown action;
Fig. 8 is the top view of the utility model breakdown action;
Fig. 9 is the stereogram of the excessive breakdown action of the utility model;
Figure 10 is the front elevation of the excessive breakdown action of the utility model;
Figure 11 is the top view of the excessive breakdown action of the utility model.
The primary clustering symbol description
10 fixedly bolster 11 perforation
20 rotating shafts, 30 fixed stop pads
31 perforation, 32 spacing ribs
40 rotation backstop pads, 41 circular holes
42 spacing block sets, 43 fixture blocks
50 rotation bolsters, 51 circular holes
52 buckling grooves, 53 positioning grooves
61 perforation of 60 locating washers
62 positioning convex portion, 70 elastic components
90 urgent on 80 additional pads
Embodiment
Below cooperate preferred embodiment graphic and of the present utility model, further setting forth the utility model is to reach the technological means that predetermined creation purpose is taked.
See also Figure 1 and Figure 2, the utility model includes fixedly bolster 10, a rotating shaft 20, a fixed stop pad 30, a rotation backstop pad 40, a rotation bolster 50, a location pad 60, an elastic component 70, one additional pad 80 and one urgent 90.
Hole formed therethrough has a non-circular perforation 11 on the aforesaid fixedly bolster 10.
Aforesaid rotating shaft 20 wears and is fixed in fixedly in the bolster 10, the section of rotating shaft 20 be non-circular with fixing perforation 11 tablings of bolster 10.
Aforesaid fixed stop pad 30 is sheathed and be fixed in outside the rotating shaft 20, hole formed therethrough has a non-circular perforation 31 in the fixed stop pad 30, fixed stop pad 30 is by perforation 31 and rotating shaft 20 tablings, and fixed stop pad 30 peripheries radially extend and are formed with the spacing rib 32 of arc.
Aforesaid rotation backstop pad 40 is sheathed on outside the rotating shaft 20 and adjacent to fixed stop pad 30, rotation backstop pad 40 central hole formed therethrough have a circular hole 41, rotation backstop pad 40 utilizes circular hole 41 to be sheathed on outside the rotating shaft 20, first side shaft of rotation backstop pad 40 is formed with a spacing block set 42 to extension, spacing block set 42 in the periphery of fixed stop pad 30 slide and with the two ends of spacing rib 32 against angle of swing with restriction rotation backstop pad 40, spacing block set 42 forms first torsion between rotation backstop pad 40 and fixed stop pad 30 with cooperating of spacing rib 32, second side shaft of rotation backstop pad 40 is formed with two fixture blocks 43 to extension, and fixture block 43 both ends of the surface all are straight.
It is outer and adjacent to rotation backstop pad 40 that aforesaid rotation bolster 50 is sheathed on rotating shaft 20, rotation bolster 50 central hole formed therethrough have a circular hole 51, rotation bolster 50 utilizes circular hole 51 to be sheathed on outside the rotating shaft 20, first side shaft of rotation bolster 50 concaves and is formed with two relative buckling grooves 52, buckling groove 52 both ends of the surface all are straight, buckling groove 52 and fixture block 43 tablings are so that rotation backstop pad 40 is fixing separably mutually with rotation bolster 50, buckling groove 52 forms second torsion with cooperating of fixture block 43 in rotation bolster 50 and 40 on rotation backstop pad, second side shaft of rotation bolster 50 concaves and is formed with two positioning grooves 53, and positioning groove 53 both ends of the surface all are skewed.
It is outer and adjacent to rotation bolster 50 that aforesaid locating washer 60 is sheathed on rotating shaft 20 slidably, hole formed therethrough has a non-circular perforation 61 in the locating washer 60, locating washer 60 is by perforation 61 and rotating shaft 20 tablings, first side shaft of locating washer 60 is formed with two positioning convex portion 62 to extension, positioning convex portion 62 both ends of the surface all are skewed, when positioning convex portion 62 and positioning groove 53 tablings, form locating effect, positioning convex portion 62 forms the 3rd torsion with cooperating of positioning groove 53 between locating washer 60 and rotation bolster 50.
Aforesaid elastic component 70 non-rotatably is sheathed on the outer and ejection locating washer 60 of rotating shaft 20 so that locating washer 60 space of lateral displacement slidably to be provided, and elastic component 70 can be spring or a plurality of resilient pad is formed.
Aforesaid additional pad 80 is sheathed on outside the rotating shaft 20, aforesaid urgent 90 sheathed and be fixed in rotating shaft 20 ends, 20 of urgent 90 and rotating shafts can riveteds or are screwed togather and interfix.Since aforesaid additional pad 80 this urgent 90 with elastic component 70 between, and non-rotatably be sheathed in the rotating shaft 20, thus can avoid this urgent produce become flexible and with these rotating shaft 20 disengagings.
Aforesaid first torsion is made of the spacing rib 32 of spacing block set 42 ejections, second torsion is made of fixture block 43 chimeric buckling grooves 52, the 3rd torsion is made of positioning convex portion 62 chimeric positioning grooves 53, because positioning convex portion 62 all is skewed with the end face of positioning groove 53, and fixture block 43 all is straight with the end face of buckling groove 52, must make buckling groove 52 break away from fixture blocks 43 applied force amounts less than desiring so desire to make positioning groove 53 to break away from positioning convex portion 62 applied force amounts, therefore, second torsion is greater than the 3rd torsion, moreover, because spacing block set 42 and spacing rib 32 all are positioned at the periphery of fixed stop pad 30, inevitable greater than making buckling groove 52 break away from fixture block 43 applied force amounts so desire to make spacing block set 42 to cross spacing rib 32 away from the periphery applied force amount of fixed stop pad 30, therefore, first torsion is greater than second torsion.
There are many mechanism design can reach first torsion that needed fixed stop pad 30 and rotation backstop pad 40 produced greater than rotation backstop pad 40 and rotation bolster 50 second torsion that produces.For example, aforementioned in this preferred embodiment, the axial length that spacing block set 42 is stuck in spacing rib 32 snaps in the axial length of buckling groove 52 greater than fixture block 43.Again, similarly principle also can be applied between rotation backstop pad 40, rotation bolster 50 and the locating washer 60.That is, the axial length that fixture block 43 snaps in buckling groove 52 snaps in the axial length of positioning groove 53 greater than positioning convex portion 62, can reach to make second torsion greater than the 3rd torsion.Such as the variation of positioning convex portion 62 slopes does not break away from this spirit yet.
The utility model is to be installed between the loam cake and base of cover-lifting type electronic device, wherein fixedly bolster 10 interfixes with base, and rotation bolster 50 interfixes with loam cake, when loam cake opened and closed with respect to base, driven rotary bolster 50 and rotation backstop pad 40 were with respect to fixed stop pad 30 and locating washer 60 rotations.
See also Fig. 3 to shown in Figure 5, when loam cake closure relative with base, positioning groove 53 and positioning convex portion 62 tablings then rotate the 3rd torsion supporting loam cake of bolster 50 and 60 formation of locating washer, so that loam cake maintains special position.
See also Fig. 6 to shown in Figure 8, when loam cake is opened with respect to base, user's application of force then makes positioning groove 53 break away from positioning convex portion 62 to resist the 3rd torsion, fixture block 43 and buckling groove 52 tablings, then rotate second torsion of backstop pad 40 and 50 formation of rotation bolster, to make rotation backstop pad 40 with 50 rotations of rotation bolster, when rotating to spacing block set 42 and spacing rib 32 mutually during ejection, fixed stop pad 30 and 40 formed first torsion of rotation backstop pad, to stop that rotation backstop pad 40 continues rotation, and make the unlikely excessive rotation of loam cake.
See also Fig. 9 to shown in Figure 11, when loam cake is excessively opened with respect to base, the user applies excessive strength moment and desires to force loam cake to continue rotation, because first torsion is greater than second torsion, so inevitable second torsion that surmounts earlier of user's the application of force, this moment, buckling groove 52 was forced to break away from fixture block 43, the connection relationship of then rotating 40 on bolster 50 and rotation backstop pad disappears, so rotation bolster 50 continues stressed rotation and rotates backstop pad 40 and stagnate, therefore, rotation backstop pad 40 has not been driven not to be rotated the ejection that does not then destroy rotation backstop pad 40 and 30 on fixed stop pad and concerns, and then destroys when avoiding the excessive application of force of user and rotate backstop pad 40 and fixed stop pad 30.
The above only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, have in the technical field under any and know the knowledgeable usually, in the scope that does not break away from technical solutions of the utility model, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (6)
1. the pivot device of a tool backstop function is characterized in that, comprising:
One fixing bolster;
One rotating shaft, with this fixedly bolster interfix;
One fixed stop pad, it non-rotatably is sheathed in the rotating shaft, and the fixed stop pad is formed with a spacing rib;
One rotation backstop pad, it is sheathed on outside the rotating shaft and adjacent to the fixed stop pad with articulating, first side shaft of rotation backstop pad is formed with a spacing block set to extension, the spacing block set of rotation backstop pad is optionally to support mutually with the spacing rib of fixed stop pad, second side shaft of rotation backstop pad is formed with at least one fixture block to extension, and the fixture block both ends of the surface are flat;
One rotation bolster, be sheathed on to its pivot joint outside the rotating shaft and adjacent to rotating the backstop pad, first side shaft of rotation bolster concaves and is formed with at least one buckling groove, the buckling groove both ends of the surface are flat, the fixture block of the buckling groove of rotation bolster and rotation backstop pad is tabling separably, second side shaft of rotation bolster concaves and is formed with at least one positioning groove, and the positioning groove both ends of the surface are skewed;
One location pad, it is outer and adjacent to the rotation bolster that it non-rotatably is sheathed on rotating shaft, first side shaft of locating washer is formed with at least one positioning convex portion to extension, and the positioning convex portion both ends of the surface are skewed, and the positioning convex portion of locating washer is corresponding with the positioning groove of rotation bolster;
One elastic component, it is sheathed in the rotating shaft and adjacent to locating washer;
One urgent, it is sheathed and be fixed in the rotating shaft end.
2. the pivot device of tool backstop function as claimed in claim 1 is characterized in that: wherein rotate the backstop pad have two fixture blocks and the rotation bolster have two buckling grooves.
3. the pivot device of tool backstop function as claimed in claim 1 or 2 is characterized in that: rotate wherein that bolster has two positioning grooves and locating washer has two positioning convex portion.
4. the pivot device of tool backstop function as claimed in claim 3, it is characterized in that: wherein the section of pivot is non-circular, fixedly bolster, fixed stop pad, and locating washer in be equipped with non-circular perforation respectively to be embedded in outside the pivot, be equipped with circular hole respectively to be sheathed on outside the pivot in rotation backstop pad and the rotation bolster.
5. the pivot device of tool backstop function as claimed in claim 4 is characterized in that: wherein further include an additional pad, it is outer and be located between elastic component and urgent that this additional pad is sheathed on rotating shaft.
6. the pivot device of a tool backstop function is characterized in that, comprising:
One fixing bolster;
One rotating shaft, with this fixedly bolster interfix;
One fixed stop pad, it non-rotatably is sheathed in the rotating shaft, and the fixed stop pad is formed with a spacing rib;
One rotation backstop pad, it is sheathed on outside the rotating shaft and adjacent to the fixed stop pad with articulating, first side shaft of rotation backstop pad is formed with a spacing block set to extension, the spacing block set of rotation backstop pad is optionally to support mutually with the spacing rib of fixed stop pad, and second side shaft of rotation backstop pad is formed with at least one fixture block to extension;
One rotation bolster, be sheathed on to its pivot joint outside the rotating shaft and adjacent to rotating the backstop pad, first side shaft of rotation bolster concaves and is formed with at least one buckling groove, the fixture block of the buckling groove of rotation bolster and rotation backstop pad is tabling separably, and second side shaft of rotation bolster concaves and is formed with at least one positioning groove;
One location pad, it non-rotatably is sheathed on outside the rotating shaft and adjacent to the rotation bolster, first side shaft of locating washer is formed with at least one positioning convex portion to extension, and the positioning convex portion of locating washer is corresponding with the positioning groove of rotation bolster;
One elastic component, it is sheathed in the rotating shaft and adjacent to locating washer; And
One urgent, it is sheathed and be fixed in the rotating shaft end;
Wherein, the spacing block set axial length that is stuck in spacing rib snaps in the axial length of buckling groove greater than fixture block; And
Wherein, the fixture block axial length that snaps in buckling groove snaps in the axial length of positioning groove greater than positioning convex portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201653423U CN201439802U (en) | 2009-07-08 | 2009-07-08 | Pivot device with stop function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201653423U CN201439802U (en) | 2009-07-08 | 2009-07-08 | Pivot device with stop function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201439802U true CN201439802U (en) | 2010-04-21 |
Family
ID=42544472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201653423U Expired - Lifetime CN201439802U (en) | 2009-07-08 | 2009-07-08 | Pivot device with stop function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201439802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337874A (en) * | 2016-10-14 | 2017-01-18 | 深圳市证通金信科技有限公司 | Rotating shaft device and electronic device |
-
2009
- 2009-07-08 CN CN2009201653423U patent/CN201439802U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337874A (en) * | 2016-10-14 | 2017-01-18 | 深圳市证通金信科技有限公司 | Rotating shaft device and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100421 |