CN204026056U - A kind of extending means - Google Patents
A kind of extending means Download PDFInfo
- Publication number
- CN204026056U CN204026056U CN201420352696.XU CN201420352696U CN204026056U CN 204026056 U CN204026056 U CN 204026056U CN 201420352696 U CN201420352696 U CN 201420352696U CN 204026056 U CN204026056 U CN 204026056U
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- China
- Prior art keywords
- fore shell
- damping
- assembly
- extending means
- regulating lever
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model proposes a kind of extending means, comprise digital product assembly, back cover, fore shell, for making sliding assembly that digital product assembly slides on fore shell and providing the Power Component of sliding power for sliding assembly.Advantage of the present utility model and good effect are as follows: the utility model adds in the ejecting mechanism of electronic equipment adjusts assembly in order to adjust the speed ejecting, overall plan can be used for carrying out product test adjusting in production process and user adjusts voluntarily according to self-demand, according to different requirements, regulate, easy to adjust.
Description
Technical field
The utility model relates to a kind of extending means, is applied to consumer electronics field.
Background technique
Along with developing rapidly and extensive use of television multimedia and intelligent television, " the demand customization " of colour TV, " colour TV entertainment orientation " become the unique effective way that solves colour TV intelligent development gradually.Intelligent television will be realized the various application services such as web search, Internet Protocol Television, video request program, digital music, Internet news, network video telephone, and these application services mostly be unable to do without video equipment--camera.In addition, computer, these intelligent network terminals of mobile phone also be unable to do without camera.Current terminal camera usage mode is mainly divided into two kinds: a kind of for external camera, be affiliated at television cabin outside, can manual tune angle; Be a built-in camera, visual angle is fixed, but has portable advantage compared with external camera.Now also there is the camera with expansion device, can wait in use and can expose body, when not needing to use, be hidden in body with protection privacy.But it is fixing that the ejection speed of current camera expansion device is, when it ejects fast at needs, can not reach the requirement of product specification.Or user in use occurs that ejection power is excessive, may cause can not adjusting in the situation of device failure, there is significant limitation.
Model utility content
For solving existing extending means, eject the problem that speed can not regulate, the utility model proposes a kind of extending means of adjustable ejection speed, and be achieved by the following technical solutions:
A kind of extending means, comprise digital product assembly, back cover, fore shell, for making sliding assembly that digital product assembly slides on fore shell and providing the Power Component of sliding power for sliding assembly, described sliding assembly comprises slide plate, and slide plate is fixedly connected with digital product assembly; On described fore shell, be provided with slideway, slide plate slides on slideway; Described Power Component comprises a spring, and the upper end of spring contacts with slide plate, and lower end is connected with fore shell; One side of described slide plate is provided with tooth bar, and tooth bar is connected with damping gear, and damping gear and fore shell are rotationally connected; Between described damping gear and fore shell, be provided with two opposed damping fins, wherein a slice is arranged at the downside of damping gear, and another sheet is arranged on fore shell; On described damping gear, be provided with by adjusting contact between damping fin and adjust the adjustment assembly that digital product assembly ejects speed.
Optionally, described slide plate slides into behind summit on slideway, and spring is in compressive state.
Optionally, described slideway is circular arc slideway.
In order to realize the adjusting of ejection speed, in first kind of way, to adjust assembly and comprise the regulating lever through damping gear axle center, the top of regulating lever is provided with adjusting nut, is provided with adjustment knob on adjusting nut, adjusts knob and is arranged at fore shell outside.
Further, the lower surface of described adjusting nut is provided with annular groove, and the upper surface of damping gear is provided with the annular protrusion matching with annular groove, is provided with some balls between annular groove and annular protrusion.
Further, the upper end of described regulating lever is higher than the upper-end surface of adjusting knob, and the upper end outer surface of regulating lever is provided with adjustment scale.
In the second way, regulating mechanism comprises an adjusting nut and a regulating lever through adjusting nut and damping gear, regulating lever middle part is fixedly connected with a carrier, and the edge of the upper and lower surface of carrier is respectively arranged with an amortisseur bar, amortisseur bar and damping fin rubbing contact; Described adjusting nut is threaded with regulating lever, and regulating lever and damping gear are rotationally connected.
Optionally, the material of described amortisseur bar and damping fin is nitrile butadiene rubber.
Compared with prior art, advantage of the present utility model and good effect are as follows:
The utility model adds in the ejecting mechanism of electronic equipment adjusts assembly in order to adjust the speed ejecting, overall plan is divided into and can be used for carrying out in production process the scheme of product test adjusting and the scheme that user adjusts voluntarily according to self-demand, according to different requirements, regulate, easy to adjust.
In speed adjustment scheme of the present utility model, can adopt different adjustment modes,
First kind of way is adjusted the contact between damping fin by the cooperation of regulating lever and adjusting nut, and then adjusts friction.Frictional force is large, and ejection speed is slow, and frictional force is little, and ejection speed is fast.
The second way increases carrier and regulating lever between two damping fins, has increased amortisseur bar on carrier, by adjusting the contact adjustment of amortisseur bar and damping tray, ejects speed.
This kind of regulative mode becomes two groups of contact friction faces by a contact friction face in mode one, after one group of contact friction face lost efficacy so therein, still has one group of contact friction face can play corrective action.
The first-selected nitrile butadiene rubber material of damping fin and amortisseur bar.In order to improve the smooth degree of ejection, between each sliding assembly, can add lubricant oil is lubricated, lubricant oil can splash unavoidably on amortisseur bar or damping fin in long-term using process, nitrile butadiene rubber oil resistance is better than the amortisseur bar of existing other materials, therefore using it as first-selection, and because this scheme most cases is used in electronic equipment, electronic equipment can generate heat in the course of the work in a large number, have a strong impact on life-span and the working efficiency of amortisseur bar, and the heat resistance of nitrile butadiene rubber is high, it is the most suitable to apply therewith in scheme.
Read by reference to the accompanying drawings after embodiment of the present utility model, other features of the present utility model and advantage will become clearer.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is embodiment's one extending means assembly structure schematic diagram;
Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1;
Fig. 3 is embodiment's two extending means assembly structure schematic diagram;
Fig. 4 is the B-B sectional structure schematic diagram of Fig. 2.
As above in each figure: 1 digital product assembly; 2 fore shells; 3 sliding assembly, 31 slide plates, 32 slideways; 4 Power Components, 41 springs; 5 tooth bars; 6 damping gears; 7 damping fins, 81 regulating levers, 82 adjusting nuts, 83 are adjusted knob, 84 annular grooves, 85 annular protrusions, 86 balls, 87 carriers, 88 amortisseur bars.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment one:
With reference to figure 1 and Fig. 2, the utility model extending means comprises a kind of extending means, comprise digital product assembly, back cover, fore shell, for making sliding assembly that digital product assembly slides on fore shell and providing the Power Component of sliding power for sliding assembly, described sliding assembly comprises slide plate, and slide plate is fixedly connected with digital product assembly; On described fore shell, be provided with slideway, slide plate slides on slideway; Described Power Component comprises a spring, and the upper end of spring contacts with slide plate, and lower end is connected with fore shell; One side of described slide plate is provided with tooth bar, and tooth bar is connected with damping gear, and damping gear and fore shell are rotationally connected.
The setting of damping gear can be so that the ejection process of digital product assembly be level and smooth, avoid in ejection process because of the inhomogeneous situation that occurs speed inequality of elastic force of spring, also avoided reducing working life because ejecting the impact that excessive velocities makes digital product assembly be subject to impact force.
Between damping gear and fore shell, be provided with two opposed damping fins, wherein a slice is arranged at the downside of damping gear, and another sheet is arranged on fore shell; On described damping gear, be provided with by adjusting contact between damping fin and adjust the adjustment assembly that digital product assembly ejects speed.
Adjust assembly and comprise the regulating lever through damping gear axle center, the top of regulating lever is provided with adjusting nut, is provided with adjustment knob on adjusting nut, adjusts knob and is arranged at fore shell outside.
By nut, adjust two contacts between damping fin, adjustment mode is simple.In the prior art, the mechanical structure of adjusting contact has multiple, but the damping fin of damping gear bottom is along with damping gear rotates, if adopt other modes, realize and can adjust pressure, can guarantee again to rotate, its mechanical structure will be very complicated, volume also can increase, and is not suitable for using in the application's technological scheme.
The lower surface of adjusting nut is provided with annular groove, and the upper surface of damping gear is provided with the annular protrusion matching with annular groove, is provided with some balls between annular groove and annular protrusion.
In the application's design, damping gear and tooth bar coordinate, in electronic device, in order to reduce the weight of integral device, gear and tooth bar generally can adopt gear and the tooth bar of plastics involute profile, if rocking in rotation process, departs from damping gear the area that its pivotal position can not guarantee the Surface of action of wheel and rack, no matter gear is to the skew of tooth bar direction or deviates from the skew of tooth bar direction, the area of the Surface of action of wheel and rack all can reduce, the rate of wear of rack and pinion will increase, thereby has reduced the working life of product.Annular groove and annular protrusion are set and can guarantee that damping gear can not depart from its pivotal position in rotation process, guarantee the area of contact of Surface of action, reduce wearing and tearing, improve life of product.
Between annular protrusion and annular groove, increasing ball can change sliding contact between the two with the rolling of ball into and contact, and further reduces the friction between annular protrusion and annular groove, improves life of product.And this behave can improve the smooth degree of rotation of damping gear, reduce the possibility of pause and transition in rhythm or melody in rotation process.What on slide plate, carry is digital product, and digital product mostly is electrical assembly, and its impact-resistant ability is lower, this behave and then can reduce whole design for the impact of digital product assembly, the working life of improving digital product assembly.
Owing to contacting for rolling between ball and annular protrusion and annular groove, once damping gear departs from its pivotal position, under the rolling action of ball, also can reply very soon, further reduced the possibility that the Surface of action area of wheel and rack reduces.
The upper end of regulating lever is higher than the upper-end surface of adjusting knob, and the upper end outer surface of regulating lever is provided with adjustment scale.The top of regulating lever be provided with adjust scale can be so that user adjusts very easily, and to the degree of adjusting have one cognitive intuitively, that avoids once adjusts the trouble that will repeatedly adjust not in place.
Slide plate slides into behind summit on slideway, and spring is in compressive state.
The extending means of this design is meeting Reusability in electronic product routine use process, and the compression elasticity of spring has a fatigue limit, and after Reusability, the elastic force of spring can reduce greatly.This design medi-spring after slide plate slides to slideway summit still in compressive state, like this can be so that spring have just been reserved a flexible surplus when design, when Reusability reaches certain fatigue limit, still can provide certain elastic force, improved the working life of Whole Equipment.
In this embodiment, slideway can be the slideway of arc, can be also straight slideway, like this when described digital product assembly is the different electronic product of camera, MIC microphone or loudspeaker etc., the design all can be suitable for, and has avoided increasing design cost because of design iterations.
In this embodiment, the first-selected nitrile butadiene rubber material of damping fin.In order to improve the smooth degree of ejection, between each sliding assembly, can add lubricant oil is lubricated, lubricant oil can be splashed on damping fin unavoidably in long-term using process, nitrile butadiene rubber oil resistance is better than the amortisseur bar of existing other materials, therefore using it as first-selection, and because this scheme most cases is used in electronic equipment, electronic equipment can generate heat in the course of the work in a large number, have a strong impact on life-span and the working efficiency of amortisseur bar, and the heat resistance of nitrile butadiene rubber is high, it is the most suitable to apply therewith in scheme.
Embodiment two:
As shown in Figure 3 and Figure 4, this embodiment and embodiment's one difference is, the regulating mechanism of the present embodiment comprises an adjusting nut and a regulating lever through adjusting nut and damping gear, regulating lever middle part is fixedly connected with a carrier, the edge of the upper and lower surface of carrier is respectively arranged with an amortisseur bar, amortisseur bar and damping fin rubbing contact; Described adjusting nut is threaded with regulating lever, and regulating lever and damping gear are rotationally connected.
In technological scheme due to the application, the preferred material of amortisseur bar and damping fin is nitrile butadiene rubber, in embodiment 1, has described and has selected reason, does not repeat them here.But nitrile butadiene rubber has its intrinsic defect, nitrile butadiene rubber is with respect to other damping fin material, its wear resistance is low, in Reusability, can produce wear and aging and then inefficacy, this embodiment is for this faultiness design, one group of rubbing surface in embodiment 1 is become to two groups of contact friction faces, after one group of contact friction face lost efficacy so therein, still have one group of contact friction face can play corrective action.Although the situation that the rubbing surface of another group also there will be certain frictional force to reduce due to long-term use after one group of contact friction face ageing failure, but, the structure designing due to the application is mainly used in electronic product, the digital product assembly of its slide plate carrying is electronic equipment, it is lightweight, ejection inertia is little, even if still can carry out the adjusting of ejection speed to it in the situation that frictional force reduces, improved the design's working life, and due to simple in structure, thereby reduced the cost of producing and keeping in repair.
The above, be only preferred embodiment of the present utility model, is not to restriction of the present utility model, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But, every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (8)
1. an extending means, comprise digital product assembly, back cover, fore shell, for making sliding assembly that digital product assembly slides on fore shell and providing the Power Component of sliding power for sliding assembly, described sliding assembly comprises slide plate, and slide plate is fixedly connected with digital product assembly; On described fore shell, be provided with slideway, slide plate slides on slideway; Described Power Component comprises a spring, and the upper end of spring contacts with slide plate, and lower end is connected with fore shell; One side of described slide plate is provided with tooth bar, and tooth bar is connected with damping gear, and damping gear and fore shell are rotationally connected; It is characterized in that: between described damping gear and fore shell, be provided with two opposed damping fins, wherein a slice is arranged at the downside of damping gear, and another sheet is arranged on fore shell; On described damping gear, be provided with by adjusting contact between damping fin and adjust the adjustment assembly that digital product assembly ejects speed.
2. extending means according to claim 1, is characterized in that: described adjustment assembly comprises the regulating lever through damping gear axle center, and the top of regulating lever is provided with adjusting nut, is provided with adjustment knob on adjusting nut, adjusts knob and is arranged at fore shell outside.
3. extending means according to claim 2, it is characterized in that: the lower surface of described adjusting nut is provided with annular groove, the upper surface of damping gear is provided with the annular protrusion matching with annular groove, is provided with some balls between annular groove and annular protrusion.
4. extending means according to claim 3, is characterized in that: the upper end of described regulating lever is higher than the upper-end surface of adjusting knob, and the upper end outer surface of regulating lever is provided with adjustment scale.
5. extending means according to claim 1, it is characterized in that: described regulating mechanism comprises an adjusting nut and a regulating lever through adjusting nut and damping gear, regulating lever middle part is fixedly connected with a carrier, the edge of the upper and lower surface of carrier is respectively arranged with an amortisseur bar, amortisseur bar and damping fin rubbing contact; Described adjusting nut is threaded with regulating lever, and regulating lever and damping gear are rotationally connected.
6. according to the arbitrary described extending means of claim 1-5, it is characterized in that: described slide plate slides into behind summit on slideway, and spring is in compressive state.
7. according to the arbitrary described extending means of claim 1-5, it is characterized in that: described slideway is circular arc slideway.
8. according to the arbitrary described extending means of claim 1-5, it is characterized in that: the material of described amortisseur bar and damping fin is nitrile butadiene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420352696.XU CN204026056U (en) | 2014-06-28 | 2014-06-28 | A kind of extending means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420352696.XU CN204026056U (en) | 2014-06-28 | 2014-06-28 | A kind of extending means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204026056U true CN204026056U (en) | 2014-12-17 |
Family
ID=52065920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420352696.XU Withdrawn - After Issue CN204026056U (en) | 2014-06-28 | 2014-06-28 | A kind of extending means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204026056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089156A (en) * | 2014-06-28 | 2014-10-08 | 青岛歌尔声学科技有限公司 | Telescopic mechanism |
-
2014
- 2014-06-28 CN CN201420352696.XU patent/CN204026056U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089156A (en) * | 2014-06-28 | 2014-10-08 | 青岛歌尔声学科技有限公司 | Telescopic mechanism |
| CN104089156B (en) * | 2014-06-28 | 2016-04-20 | 青岛歌尔声学科技有限公司 | A kind of extending means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141217 Effective date of abandoning: 20160420 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |