CN100565229C - Weight gravity tester - Google Patents
Weight gravity tester Download PDFInfo
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- CN100565229C CN100565229C CNB2006100629678A CN200610062967A CN100565229C CN 100565229 C CN100565229 C CN 100565229C CN B2006100629678 A CNB2006100629678 A CN B2006100629678A CN 200610062967 A CN200610062967 A CN 200610062967A CN 100565229 C CN100565229 C CN 100565229C
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- axostylus axostyle
- counterweight
- button
- weight
- weight gravity
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Abstract
A kind of Weight gravity tester is characterized in that: comprise an axostylus axostyle, the end of axostylus axostyle is provided with one group at least can axially movable counterweight in limited range, and axostylus axostyle is furnished with a may command its axially movable driving mechanism and back-moving spring; Also be provided with on the axostylus axostyle and be used for its mount pad fixing on the plate of moving playing surface.Utilize the control of driving mechanism, the counterweight of setting weight is applied on the tested keyswitch, the pressing force of button is tested counterweight.If when relying on downward certain distance, the keyswitch conducting, it is sensitive to illustrate that then tested button was considered as, and is substandard product.If rely on counterweight weight can not impel the keyswitch conducting, illustrate that then tested button is a substandard product.It can replace original staff test, has overcome the defective that staff test keyswitch conducting degree varies and the dynamics of pressing down differ.It can measure the sensitivity and the overweight degree of pushing excessively of keyswitch exactly.Have advantages such as test speed is fast, the accurate standard of test.
Description
Technical field
What the present invention relates to is the electronic product testing apparatus, and especially a kind of being applicable to is connected the Weight gravity tester that keyswitch is tested automatically with electronic instrument.
Background technology
In science and technology more and more flourishing today, electronic equipment is widely used, being widely used too of the keyswitch on the electronic equipment going along with.That these keyswitches have is metal, that plastic cement is arranged, electronic circuit is also arranged.For example: computor-keyboard, the control panel on the household electrical appliance, mobile phone key plate, man-computer interface contact panel or the like.Before this electronic product is dispatched from the factory, all need the keyswitch that is disposed is tested.Test mode in the past all be artificial one by one go by, go to check the whether conducting of these keyswitches.Use staff go by, following unfavorable place is arranged:
(1) testing efficiency is slow;
(2) strength is lack of standardization;
(3) a correct index can't be arranged.
Though after in the recent period existing people improves speed, stable contact numerical value, can't obtain the test mass that strength is improved button that presses down of standard always.
Summary of the invention
The objective of the invention is at having defective in the above-mentioned keyswitch test, provide a kind of being applicable to be connected the Weight gravity tester that keyswitch is tested automatically with electronic instrument, the improvement that it can more progress greatly metering system, promote industry efficient and accuracy.
Weight gravity tester of the present invention is characterized in that: comprise an axostylus axostyle, the end of axostylus axostyle is provided with one group at least can axially movable counterweight in limited range, and axostylus axostyle is furnished with a may command its axially movable driving mechanism and back-moving spring; Also be provided with on the driving mechanism and be used for its mount pad fixing on the plate of moving playing surface.
Described driving mechanism is an electromagnetic drive mechanism.
Described driving mechanism is an air cylinder driven mechanism.
The design concept of Weight gravity tester of the present invention is: utilize the control of driving mechanism to counterweight, the counterweight of setting weight is applied on the tested keyswitch, realize the switching function of button.If rely on counterweight weight can not impel the keyswitch conducting to work, illustrate that then tested button is a substandard product.The standardization and the standardization of keyswitch test have been realized.
Weight gravity tester design science of the present invention, simple and reasonable for structure.It can replace original staff test, has overcome the defective that staff test keyswitch conducting degree varies and the dynamics of pressing down differ.It can measure the sensitivity and the overweight degree of pushing excessively of keyswitch exactly.Have advantages such as test speed is fast, the test effect is accurate.Normalized testing standard not only can better ensure its quality, makes the product after dispatching from the factory can be better.And created condition for the keyswitch test automation, be beneficial to large-scale modern production.
The concrete structure of Weight gravity tester of the present invention is provided in detail by the following drawings and embodiment.
Description of drawings
Fig. 1 is the structural representation of electromagnetic drive type list group Weight gravity tester;
Fig. 2 is the structural representation of the two group of electromagnetic drive type Weight gravity tester;
Fig. 3 is the structural representation of cylinder driving-type list group Weight gravity tester;
Fig. 4 is the structural representation of the two group of cylinder driving-type Weight gravity tester.
Embodiment
Embodiment 1: can be clear that from Fig. 1 this is a kind of electromagnetic drive type list group Weight gravity tester, so-called " single group Weight gravity tester " is exactly on the examination Weight gravity tester counterweight to be set.This single group Weight gravity tester is made up of axostylus axostyle 1, counterweight 10, electromagnetic drive mechanism 4, axostylus axostyle back-moving spring 2 and mount pad 6.Described axostylus axostyle 1 middle part is provided with the first spacing button 8, and the end is provided with the second spacing button 9; Described counterweight 10 is the taper cylinder, and its center offers an axis hole 11 that imports for axostylus axostyle 1, is provided with one section in the axis hole 11 between the up and down spacing zone of the second spacing button 9 on the axostylus axostyle 1 12; Described electromagnetic drive mechanism 4 is made up of shell 13, the solenoid 5 and the lead-out wires of coil 3 that are arranged in the shell 13.Described axostylus axostyle 1 napex is plugged in the solenoid 5 of electromagnetic drive mechanism 4, and axostylus axostyle 1 top is provided with the back-moving spring 2 that is connected with shell 13, and counterweight 10 is installed in axostylus axostyle 1 bottom, and the counterweight 10 that is installed in axostylus axostyle 1 bottom is axially activity in 12 between spacing zone.The pedestal of described mount pad 6 is provided with external thread and is furnished with nut 7.Mount pad 6 is arranged on electromagnetic drive mechanism 4 bottoms,
The course of work of Weight gravity tester is as follows:
Weight gravity tester is connected on the dependence test instrument.The electromagnetic drive mechanism 4 of Weight gravity tester is set in the through hole 31 that the plate 30 of moving playing surface of testing tool is provided with, and by fixing nut 7 and cooperating of mount pad 6.At the counterweight 10 of this keyswitch test weight that requires of axostylus axostyle 1 fit on, tested button 32 is placed on the table top of " single group Weight gravity tester " below then, can carry out sensitivity respectively and cross the weight test button 32.
One, tested sensitivity:
Weight gravity tester is aimed at button 32, and mobile table top movable plate 30 is downward, and making counterweight 10 compress button 32 and pressing down the weight that 1～1.5mm (looking test specification and set a distance) presses down is the weight of counterweight 10.At this moment button circuit 33 can not conducting, is sensitive as conducting, is considered as bad.Main effect is the weight with counterweight 10, and button 32 is pressed down certain distance, tests the sensitive reaction of crossing of button 32.
Two, tested weight:
Through after the above step, closing coil extension line 3 starts electromagnetic drive mechanism 4, the solenoid 5 energising backs of electromagnetic drive mechanism 4 produce magnetic field, and the pulling force that impels axostylus axostyle 1 to overcome back-moving spring 2 under solenoid 5 the action of a magnetic fields moves down 12 distances between spacing zone.Counterweight 10 is under the state that breaks away from axostylus axostyle 1 second spacing button 9 supports at this moment, and the weight of counterweight 10 is applied on the button 32 fully.Rely on the weight of counterweight 10 button 32 can be pressed down conducting button circuit 33, realize the function of keyswitch.After finishing, cut off the electric current of lead-out wires of coil 3, under electromagnetic drive mechanism 4 power failure states, no longer produce magnetic field, axostylus axostyle 1 impels axostylus axostyle 1 to drive counterweight 10 by back-moving spring 2 and resets under the situation that loses the action of a magnetic field power.The first spacing button 8 that is arranged on axostylus axostyle 1 cooperates with mount pad 6 bottom surfaces, and the reset height of control axostylus axostyle 1 is waited for next time test.By above-mentioned test, can be able to confirm conducting button circuit 33 under to button 32 effects in counterweight 10 weight of setting, and adds counterweight 10 weight that are pressed on the button 32 if rely on, and can not impel button 32 and 33 conductings of button circuit, illustrate that then the required pressing force of this button is excessive, be substandard product.
Embodiment 2: can be clear that from Fig. 2 this is the two group of an a kind of electromagnetic drive type Weight gravity tester.So-called " two groups of Weight gravity testers " is exactly that two counterweights are set on Weight gravity tester.The basic structure of this " two groups of Weight gravity testers " is identical with embodiment 1, and difference only is: axostylus axostyle 1 middle part has additional counterweight 15 on.That is: set up the 3rd spacing button 14 at axostylus axostyle 1 middle part, the axostylus axostyle 1 at the 3rd spacing button 14 positions increases goes up counterweight 15, described upward counterweight 15 is a column, its center has the axis hole 16 that shuttles back and forth for axostylus axostyle 1, be provided with in the axis hole 16 one section with spacing zone that the 3rd spacing button 14 on the axostylus axostyle 1 cooperates between 17, last counterweight 15 can be up and down along axostylus axostyle 1 in 17 scopes between spacing zone.
The course of work of the two group of electromagnetic drive type Weight gravity tester is as follows:
Weight gravity tester is connected on the dependence test instrument.Axostylus axostyle 1 is set in the through hole 31 that the plate 30 of moving playing surface of testing tool is provided with, and by fixing nut 7 and cooperating of screw socket mount pad 6.This keyswitch of fit on is tested the counterweight 10 and the last counterweight 15 of the weight that requires on axostylus axostyle 1 then.Tested button 32 is placed on the table top of two group Weight gravity testers below, can carry out sensitivity respectively and cross the weight test button 32.
One, tested sensitivity:
Weight gravity tester is aimed at button 32, and mobile table top movable plate 30 is downward, makes counterweight 10 compress button 32, and press down 1.0mm～1.5mm (counterweight weight and press down stroke look require specification institution).Because of the shortage in weight of counterweight 10 to depress button 32 fully, at this moment button circuit 33 can not conducting, is sensitive as conducting, is considered as bad.Main effect is the weight with counterweight 10, and button 32 is pressed down certain distance, tests the sensitive reaction of crossing of button 32.
Two, tested weight:
Through after the above step, closing coil extension line 3 starts electromagnetic drive mechanism 4, and the solenoid 5 energising backs of electromagnetic drive mechanism 4 produce magnetic field, and the pulling force that impels axostylus axostyle 1 to overcome back-moving spring 2 under solenoid 5 the action of a magnetic fields moves down.Last counterweight 15 when losing the 3rd spacing button 14 and support, rely on own weight along axostylus axostyle 1 move down between spacing zone 17 apart from after, be superimposed upon on the counterweight 10.Because this moment, counterweight 10 also lost the support of axostylus axostyle 1 second spacing button 9, therefore can move down and be applied on the button 32 with last counterweight 15.At this moment being added in weight on the button 32 is the weight that goes up counterweight 15+ counterweight 10, relies on the weight sum of last counterweight 15 and counterweight 10 button 32 can be pressed down and makes 33 conductings of button circuit, realizes the function of keyswitch.After finishing, cut off the electric current of lead-out wires of coil 3, under electromagnetic drive mechanism 4 power failure states, no longer produce magnetic field, axostylus axostyle 1 impels last counterweight 15 of axostylus axostyle 1 drive and counterweight 10 to reset by back-moving spring 2 under the situation that loses the action of a magnetic field power.Be arranged on first spacing button 8 of axostylus axostyle 1 bar portion and cooperating of mount pad 6 bottom surfaces, the reset height of may command axostylus axostyle 1 is waited for next time test.By above-mentioned test, can confirm to impel the button 32 and the pressure of button circuit 33 conductings whether to meet the weight sum of counterweight 15+ counterweight 10, if rely on this weight sum to add the weight that is pressed on the button 32, can not impel button 32 and 33 conductings of button circuit, illustrate that then the required pressing force of button 32 is excessive, be substandard product.
Embodiment 3: can be clear that from Fig. 3 this is a kind of cylinder driving-type list group Weight gravity tester.Its basic structure is identical with embodiment 1, and difference only is: driving mechanism is an air cylinder driven mechanism 18.Described air cylinder driven mechanism 18 is made up of cylinder body 19 and the piston rod 20 that sets within it, and described cylinder body 19 two ends are provided with air intake opening 21 and following air intake opening 22.Piston rod 23 stretches out to become from cylinder body 19 1 ends and is used for the axostylus axostyle that counterweight is installed, and air cylinder driven mechanism 18 impels piston rod 23 to move down.Can be nested with back-moving spring 2 on the cylinder body 19 inboard piston rods 23.
By the tolerance input control to air intake opening 21,22 about cylinder 19 two ends of air cylinder driven mechanism 18, the pistons 20 that drive in the cylinder 19 move up and down, and then drive piston rod 23 moves axially.
Using method, the course of work and the function of cylinder driving-type list group Weight gravity tester are identical with embodiment 1.
Embodiment 4: can be clear that from Fig. 4 this is the two group of an a kind of cylinder driving-type Weight gravity tester.Its basic structure is identical with embodiment 2, and difference only is: driving mechanism is an air cylinder driven mechanism 18.The structure of air cylinder driven mechanism 18 is with identical with embodiment 3 with the assembly relation of piston rod 23.
Using method, the course of work and the function of the two group of cylinder driving-type Weight gravity tester are identical with embodiment 2.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; its framework form can be flexible and changeable; if just make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the present invention is determined by claims of being submitted to.
Claims (7)
1, a kind of Weight gravity tester comprises: the lower end of axostylus axostyle is provided with one group at least can axially movable counterweight in limited range, and axostylus axostyle is furnished with a may command its axially movable driving mechanism and back-moving spring; Also be provided with on the keyswitch Weight gravity tester and be used for its mount pad fixing on the plate of moving playing surface, it is characterized in that:
Described axostylus axostyle (1) middle part is provided with the first spacing button (8), and the bottom is provided with the second spacing button (9); Described counterweight (10) is the taper cylinder, its center offers an axis hole (11) for axostylus axostyle (1) importing, be provided with in the axis hole (11) one section with the spacing zone that cooperates of the second spacing button (9) above the axostylus axostyle (1) between (12), counterweight (10) can be up and down in (12) scope between spacing zone.
2, Weight gravity tester according to claim 1 is characterized in that: be provided with the 3rd spacing button (14) at axostylus axostyle (1) middle part, placed counterweight (15) on the axostylus axostyle (1) at the 3rd spacing button (14) position; Described upward counterweight (15) is a column, its center has the axis hole (16) that shuttles back and forth for axostylus axostyle (1), be provided with in the axis hole (16) one section with spacing zone that axostylus axostyle (1) the last the 3rd spacing button (14) cooperates between (17), last counterweight (15) can be up and down along axostylus axostyle (1) in (17) scope between spacing zone.
3, Weight gravity tester according to claim 1 and 2 is characterized in that: described driving mechanism is electromagnetic drive mechanism (4).
4, Weight gravity tester according to claim 3, it is characterized in that: electromagnetic drive mechanism (4) is made up of shell (13), the solenoid (5) and the lead-out wires of coil (3) that are arranged in the shell (13), axostylus axostyle (1) is plugged in the solenoid (5) of electromagnetic drive mechanism (4), and axostylus axostyle (1) top is provided with the back-moving spring (2) that is connected with shell (13).
5, Weight gravity tester according to claim 1 and 2 is characterized in that: described driving mechanism is air cylinder driven mechanism (18).
6, Weight gravity tester according to claim 5, it is characterized in that: air cylinder driven mechanism (18) is provided with the cylinder body (19) of air intake opening (21) and following air intake opening (22) by two ends and the piston (20) that sets within it is formed, be nested with back-moving spring (2) on the inboard piston rod of cylinder body (19) (23), piston rod (23) one ends stretch out to become from cylinder body (19) and are used for the axostylus axostyle that counterweight is installed.
7, Weight gravity tester according to claim 1 is characterized in that: the pedestal of described mount pad (6) is provided with external thread and and is furnished with nut (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100629678A CN100565229C (en) | 2006-09-29 | 2006-09-29 | Weight gravity tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100629678A CN100565229C (en) | 2006-09-29 | 2006-09-29 | Weight gravity tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1932538A CN1932538A (en) | 2007-03-21 |
| CN100565229C true CN100565229C (en) | 2009-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100629678A Expired - Fee Related CN100565229C (en) | 2006-09-29 | 2006-09-29 | Weight gravity tester |
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| Country | Link |
|---|---|
| CN (1) | CN100565229C (en) |
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| CN113447806A (en) * | 2021-06-30 | 2021-09-28 | 欧拓飞科技(珠海)有限公司 | Keyboard test module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2388601Y (en) * | 1999-08-30 | 2000-07-19 | 达方电子股份有限公司 | Gas buffered key life tester |
| CN1133114C (en) * | 1998-12-18 | 2003-12-31 | 英群企业股份有限公司 | Keyboard tester |
| CN1211725C (en) * | 1999-02-15 | 2005-07-20 | 英群企业股份有限公司 | Automatic tester for different keyboards |
| CN200979578Y (en) * | 2006-10-23 | 2007-11-21 | 赖贵城 | A weight gravity finger |
-
2006
- 2006-09-29 CN CNB2006100629678A patent/CN100565229C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1133114C (en) * | 1998-12-18 | 2003-12-31 | 英群企业股份有限公司 | Keyboard tester |
| CN1211725C (en) * | 1999-02-15 | 2005-07-20 | 英群企业股份有限公司 | Automatic tester for different keyboards |
| CN2388601Y (en) * | 1999-08-30 | 2000-07-19 | 达方电子股份有限公司 | Gas buffered key life tester |
| CN200979578Y (en) * | 2006-10-23 | 2007-11-21 | 赖贵城 | A weight gravity finger |
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| Publication number | Publication date |
|---|---|
| CN1932538A (en) | 2007-03-21 |
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Granted publication date: 20091202 Termination date: 20110929 |