CN203798981U - Anti-bias key tester - Google Patents
Anti-bias key tester Download PDFInfo
- Publication number
- CN203798981U CN203798981U CN201420046892.4U CN201420046892U CN203798981U CN 203798981 U CN203798981 U CN 203798981U CN 201420046892 U CN201420046892 U CN 201420046892U CN 203798981 U CN203798981 U CN 203798981U
- Authority
- CN
- China
- Prior art keywords
- synchronizing wheel
- synchronous wheel
- plate
- keystokes
- excentric 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 - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses an anti-bias key tester. The anti-bias key tester includes a platform, a testing head installation plate, guiding columns and a driving mechanism; the driving mechanism comprises a bottom plate, a motor, a first synchronous wheel driven by the motor, a second synchronous wheel driven by the first synchronous wheel, a third synchronous wheel and a fourth synchronous wheel which are located at two sides of the second synchronous wheel, a fifth synchronous wheel and a sixth synchronous wheel which are driven by the third synchronous wheel and the fourth synchronous wheel; the fifth synchronous wheel and the sixth synchronous wheel respectively drive an eccentric shaft to rotate; free ends of the eccentric shafts are respectively connected with one eccentric shaft connection seat; the bottoms of the eccentric shaft connection seats are fixedly connected with a movable plate; and connection structures for fixing the guiding columns are formed in the movable plate. According to the anti-bias key tester, creative improvement is made on the driving mechanism; the fifth synchronous wheel and the sixth synchronous wheel drive the two symmetrically-arranged eccentric shafts to move up and down; and therefore, tilt and bias of the movable plate which are invisible to naked eyes and are caused by long-term working can be effectively prevented, and noises and equipment faults can be avoided.
Description
Technical field
The utility model relates to a kind of test instrument for keystokes, is specifically related to a kind of anti-bias test instrument for keystokes.
Background technology
The button of the product such as notebook computer, game paddle in use very easily weares and teares and breaks down, so, product can be pressed button is repeated multiple times by test instrument for keystokes before putting on market, simulated actual behaviour in service, and then detected the serviceable life of button.In test process, test instrument for keystokes is bearing high-intensity load always, after the work of test instrument for keystokes experience a period of time of the prior art, there will be to tilt and bias more, causes noise, affects test accuracy, and serious words also there will be equipment failure.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide a kind of test instrument for keystokes, can effectively prevent that long-term work from causing equipment itself that bias and inclination occur, and in the serviceable life of extension device, also improved test accuracy simultaneously.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
A kind of anti-bias test instrument for keystokes, comprise: for carrying and fix the platform of product to be measured, be positioned at the gauge head installing plate of platform top, for the guide pillar of fixing gauge head installing plate, the driving mechanism that drives guide pillar to move up and down, described driving mechanism comprises: base plate, motor, be subject to motor-driven the first synchronizing wheel, the second synchronizing wheel being driven by the first synchronizing wheel, be positioned at the 3rd synchronizing wheel and the 4th synchronizing wheel of the second synchronizing wheel both sides, the 5th synchronizing wheel and the 6th synchronizing wheel that are driven by the 3rd synchronizing wheel and the 4th synchronizing wheel, described the 5th synchronizing wheel and the 6th synchronizing wheel are each drives an excentric shaft to rotate, the free end of described excentric shaft connects respectively an excentric shaft Connection Block, the bottom of described excentric shaft Connection Block is fixedly connected with a portable plate, described two excentric shaft Connection Blocks and portable plate are all symmetrical arranged about transversal centerline and the longitudinal midline of base plate, when described excentric shaft rotation, drive portable plate to move up and down, on described portable plate, be formed with the syndeton of fixing guide pillar.
Aforementioned base plate is provided with multiple supporting bases, described supporting base is provided with support plate, described motor, the first synchronizing wheel, the second synchronizing wheel, the 3rd synchronizing wheel, the 4th synchronizing wheel, the 5th synchronizing wheel, the 6th synchronizing wheel are all arranged on support plate, wherein, described the first synchronizing wheel and the second synchronizing wheel are positioned on the longitudinal midline of base plate, and described the 3rd synchronizing wheel and the 4th synchronizing wheel, the 5th synchronizing wheel and the 6th synchronizing wheel are symmetrical arranged about the longitudinal midline of base plate respectively.
Aforementioned platform is provided with the guide pin bushing coordinating with guide pillar.
Aforementioned platform below is also provided with the height adjustment mechanism for driving platform to move up and down.
Further, the utility model also comprises the universal wheel that is positioned at bottom.
Usefulness of the present utility model is: test instrument for keystokes of the present utility model, its driving mechanism has carried out creationary improvement, the 5th synchronizing wheel and the 6th synchronizing wheel drive symmetrically arranged two excentric shaft Connection Blocks to move up and down, effectively prevent that long-term work from causing portable plate to produce the sightless inclination of naked eyes and bias, avoids noise and equipment failure.
Brief description of the drawings
Fig. 1 is the structural representation of test instrument for keystokes of the present utility model;
Fig. 2 is the structural representation of the driving mechanism of test instrument for keystokes of the present utility model;
Fig. 3 is the vertical view of Fig. 2.
The implication of Reference numeral in figure: 1, platform, 2, gauge head, 3, gauge head installing plate, 4, guide pillar, 5, guide pin bushing, 6, base plate, 7, motor, 8, the first synchronizing wheel, 9, the second synchronizing wheel, 10, the 3rd synchronizing wheel, 11, the 4th synchronizing wheel, 12, the 5th synchronizing wheel, 13, the 6th synchronizing wheel, 14, excentric shaft, 15, excentric shaft Connection Block, 16, portable plate, 1601, syndeton, 17, universal wheel, 18, supporting base, 19, support plate, A, transversal centerline, B, longitudinal midline.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to concrete introduction.
Referring to Fig. 1, a kind of anti-bias test instrument for keystokes of the present utility model, comprise: platform 1, gauge head installing plate 3, guide pillar 4 and driving mechanism, wherein, platform 1 is for carrying and fixing product to be measured (such as notebook computer), driving mechanism drives guide pillar 4 to move up and down, and guide pillar 4 drives the gauge head installing plate 3 that gauge head 2 is installed to move.Preferably, on platform 1, be provided with the guide pin bushing 5 coordinating with guide pillar 4.In order to regulate the height of platform 1 with the product of corresponding all size, below platform 1, be also provided with the height adjustment mechanism for driving platform 1 to move up and down.Certainly, the height of gauge head installing plate 3 also can regulate, convenient flexible.
Referring to Fig. 2, driving mechanism is arranged in the housing of gauge head installing plate 3 tops, specifically comprise: base plate 6, motor 7, the first synchronizing wheel 8 that driven by motor 7, the second synchronizing wheel 9 being driven by the first synchronizing wheel 8, be positioned at the 3rd synchronizing wheel 10 and the 4th synchronizing wheel 11 of the second synchronizing wheel 9 both sides, the 5th synchronizing wheel 12 being driven by the 3rd synchronizing wheel 10 and the 4th synchronizing wheel 11 and the 6th synchronizing wheel 13, in the course of work, motor driving the first synchronizing wheel 8 moves, the first synchronizing wheel 8 drives the second synchronizing wheel 9 to rotate, the second synchronizing wheel 9 drives the 3rd synchronizing wheel 10 and the 4th synchronizing wheel 11 to rotate simultaneously, the 3rd synchronizing wheel 10 and the 4th synchronizing wheel 11 drive respectively the 5th synchronizing wheel 12 and the 6th synchronizing wheel 13 to rotate, the 5th synchronizing wheel 12 and an excentric shaft 14 of the 6th synchronizing wheel 13 each drives rotate, the free end of excentric shaft 14 connects respectively an excentric shaft Connection Block 15, the bottom of excentric shaft Connection Block 15 is fixedly connected with a portable plate 16, therefore, motor 7 drives excentric shaft 14 to rotate and then drives portable plate 16 to move up and down while running, and on portable plate 16, be formed with the syndeton 1601 of fixing guide pillar 4, guide pillar 4 coordinates with syndeton 1601 through base plate 6.As shown in Figure 3, two excentric shaft Connection Blocks 15 and portable plate 16 are all symmetrical arranged about transversal centerline A and the longitudinal midline B of base plate 6.Portable plate 16 is stressed symmetry in the process of moving up and down, and effectively prevents that long-term work from causing portable plate 16 to produce the sightless inclination of naked eyes and bias, avoids noise and equipment failure.
Further, as shown in Figures 2 and 3, base plate 6 is provided with multiple supporting bases 18, supporting base 18 is provided with support plate 19, motor 7, the first synchronizing wheel 8, the second synchronizing wheel 9, the 3rd synchronizing wheel 10, the 4th synchronizing wheel 11, the 5th synchronizing wheel 12, the 6th synchronizing wheel 13 are all arranged on support plate 19, wherein, the first synchronizing wheel 8 and the second synchronizing wheel 9 are positioned on the longitudinal midline B of base plate 6, and the 3rd synchronizing wheel 10 and the 4th synchronizing wheel 11, the 5th synchronizing wheel 12 and the 6th synchronizing wheel 13 are symmetrical arranged about the longitudinal midline B of base plate 6 respectively.
In order to improve the dirigibility of this equipment, in the bottom of equipment, universal wheel 17 is also housed.
More than show and described ultimate principle of the present utility model, principal character and advantage.The technician of the industry should understand, and above-described embodiment does not limit the utility model in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection domain of the present utility model.
Claims (5)
1. an anti-bias test instrument for keystokes, it is characterized in that, comprise: for carrying and fix the platform of product to be measured, be positioned at the gauge head installing plate of platform top, for the guide pillar of fixing gauge head installing plate, the driving mechanism that drives guide pillar to move up and down, described driving mechanism comprises: base plate, motor, be subject to motor-driven the first synchronizing wheel, the second synchronizing wheel being driven by the first synchronizing wheel, be positioned at the 3rd synchronizing wheel and the 4th synchronizing wheel of the second synchronizing wheel both sides, the 5th synchronizing wheel and the 6th synchronizing wheel that are driven by the 3rd synchronizing wheel and the 4th synchronizing wheel, described the 5th synchronizing wheel and the 6th synchronizing wheel are each drives an excentric shaft to rotate, the free end of described excentric shaft connects respectively an excentric shaft Connection Block, the bottom of described excentric shaft Connection Block is fixedly connected with a portable plate, described two excentric shaft Connection Blocks and portable plate are all symmetrical arranged about transversal centerline and the longitudinal midline of base plate, when described excentric shaft rotation, drive portable plate to move up and down, on described portable plate, be formed with the syndeton of fixing guide pillar.
2. described a kind of anti-bias test instrument for keystokes according to claim 1, it is characterized in that, described base plate is provided with multiple supporting bases, described supporting base is provided with support plate, described motor, the first synchronizing wheel, the second synchronizing wheel, the 3rd synchronizing wheel, the 4th synchronizing wheel, the 5th synchronizing wheel, the 6th synchronizing wheel are all arranged on support plate, wherein, described the first synchronizing wheel and the second synchronizing wheel are positioned on the longitudinal midline of base plate, and described the 3rd synchronizing wheel and the 4th synchronizing wheel, the 5th synchronizing wheel and the 6th synchronizing wheel are symmetrical arranged about the longitudinal midline of base plate respectively.
3. a kind of anti-bias test instrument for keystokes according to claim 1, is characterized in that, described platform is provided with the guide pin bushing coordinating with guide pillar.
4. a kind of anti-bias test instrument for keystokes according to claim 1, is characterized in that, described platform below is also provided with the height adjustment mechanism for driving platform to move up and down.
5. according to a kind of anti-bias test instrument for keystokes described in claim 1-4 any one, it is characterized in that, also comprise the universal wheel that is positioned at bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420046892.4U CN203798981U (en) | 2014-01-24 | 2014-01-24 | Anti-bias key tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420046892.4U CN203798981U (en) | 2014-01-24 | 2014-01-24 | Anti-bias key tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798981U true CN203798981U (en) | 2014-08-27 |
Family
ID=51381185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420046892.4U Expired - Fee Related CN203798981U (en) | 2014-01-24 | 2014-01-24 | Anti-bias key tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203798981U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852721A (en) * | 2014-01-24 | 2014-06-11 | 昆山洺九机电有限公司 | Inclination-preventing key tester |
-
2014
- 2014-01-24 CN CN201420046892.4U patent/CN203798981U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852721A (en) * | 2014-01-24 | 2014-06-11 | 昆山洺九机电有限公司 | Inclination-preventing key tester |
| CN103852721B (en) * | 2014-01-24 | 2016-05-11 | 昆山洺九机电有限公司 | A kind of anti-bias test instrument for keystokes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20180124 |