CN204064642U - One is knocked test striking head and is knocked proving installation - Google Patents
One is knocked test striking head and is knocked proving installation Download PDFInfo
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- CN204064642U CN204064642U CN201420487801.0U CN201420487801U CN204064642U CN 204064642 U CN204064642 U CN 204064642U CN 201420487801 U CN201420487801 U CN 201420487801U CN 204064642 U CN204064642 U CN 204064642U
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Abstract
The utility model discloses one knock test striking head and knock proving installation, comprise: knock counterweight and driven unit, driven unit and knock between counterweight be flexibly connected or flexibly connect, energy transferring is not had between them, when driven unit is motionless, knock counterweight transfixion, when driven unit starts, knock counterweight to be released, free-falling under its own weight, and knock tested product, in this process, driven unit and knock between counterweight and do not have energy transferring, the kinetic energy of driven unit is not delivered to and knocks on counterweight, the kinetic energy that tested object bears is by the quality of knocking counterweight, and tested body surface and the distance of knocking between counterweight lower end determine, the all very good controlling and adjustment of these two parameters, therefore obtain constant percussion power and become easily simple, and it is reliable.After knocking end, driven unit drive is knocked counterweight and is returned initial position, prepares to knock next time, so circulates, complete whole test job.
Description
Technical field
The utility model relates to product testing equipment field, particularly button series products knock testing apparatus.
Background technology
Some product is as computor-keyboard, the button of mobile phone key or other electrical equipment, need to carry out knocking test, to test the validity of button, the technical parameters such as serviceable life, in prior art, driving mechanism is used to drive a striking head repeatedly to knock the button of product, because striking head and driving mechanism are rigid being fixedly connected with, therefore knock dynamics (knocking kinetic energy) size to be determined by driving mechanism, no matter employing servomotor, pneumatic means, hydraulic means or calutron, adjust it and knock dynamics all more complicated, need complicated calculating and structural adjustment, because the characteristic of driving mechanism itself limits, it can due to superstructure loosening, aging, current/voltage fluctuates, pneumatic-hydraulic fluctuates and changes, stability and the controllability of therefore knocking dynamics are poor.
Utility model content
For solving the problem, it is constant that the purpose of this utility model is to provide a kind of percussion power, and simple and reliable knocks testing apparatus.
For achieving the above object, the technical solution of the utility model is:
One knocks test striking head, comprising:
Knock counterweight and driven unit, the described counterweight that knocks is flexibly connected with described driven unit or flexibly connects, described driven unit knocks counterweight to-and-fro movement described in driving, described in knock counterweight and knock test with the kinetic energy that knocks knocking the weight of counterweight own and produce to by the object knocking test.
The beneficial effect of the technical program is, driven unit and knock between counterweight be flexibly connected or flexibly connect, energy transferring is not had between them, when driven unit is motionless, knock counterweight transfixion, when driven unit starts, knock counterweight to be released, free-falling under its own weight, and knock tested product, in this process, driven unit and knock between counterweight and do not have energy transferring, the kinetic energy of driven unit is not delivered to and knocks on counterweight, the kinetic energy that tested object bears is by the quality of knocking counterweight, and tested body surface and the distance of knocking between counterweight lower end determine, the all very good controlling and adjustment of these two parameters, therefore obtain constant percussion power and become easily simple, and it is reliable.After knocking end, driven unit drive is knocked counterweight and is returned initial position, prepares to knock next time, so circulates, complete whole test job.
Further, described in knock counterweight and comprise at least one unit counterweight assembly, described unit counterweight assembly is detachable.
This programme by the quantity of unit of adjustment's counterweight assembly, can adjust whole weight of knocking counterweight, thus adjusts percussion power easily easily, improves degree easy to use and the versatility of equipment.
Further, one end that namely free end knocking counterweight described in knocks by knocking the object of test is provided with buffer unit.
Buffer unit can use the material preparations such as rubber, flexible high molecular material, leather, and the tested body surface of main protection is not knocked to be scratched and damage.
Further, described driven unit is also provided with link, described link is provided with a guiding cavity, the described counterweight that knocks is provided with a connecting link, described connecting link is sheathed in described guiding cavity and also can be free to slide, described guiding cavity is provided with described connecting link the limiting component mated, and connecting link can not be departed from from described link.
Further, described driven unit is also provided with link, described link is provided with a guiding cavity, a described part of knocking counterweight is sheathed in described guiding cavity and also can be free to slide, the upper end of described guiding cavity is provided with one and flexibly connects rope, the described other end flexibly connecting rope is connected with described upper end of knocking counterweight, makes to knock counterweight and not only can be free to slide in described guiding cavity but also can not depart from from described link.
In above-mentioned two schemes, guiding cavity has the effect of leading and preventing to knock counterweight inclination or rock, and makes operation more accurately steadily.Using connecting link to be connected connected mode with flexibly connecting to restrict, when can knock downwards, make driven unit and knock counterweight to be temporarily in released state in fact, and after knocking end, both will knock again counterweight and taking back initial position.
Further, described driver part comprises:
Power unit, provides described in driving and knocks the reciprocating power of counterweight;
Link, one end is fixedly connected with power unit, and the other end is flexibly connected with the described counterweight that knocks or flexibly connects.
Further, described power unit comprises:
Electromagnetic coil assembly, be provided with coil, be sheathed in described coil and according to coil power on/off reciprocating core assembly;
Described core assembly one end connects described link, and the other end connects reset assembly.
Reset assembly can be made up of flexible member, and when needs knock downwards, solenoid is energized, core assembly, under the effect of electromagnetic force, moves downward, and counterweight is knocked in release, make its free-falling knock testee, now, reset assembly is by compress energy storage, after knocking end, solenoid dead electricity, electromagnetic force disappears, the fault offset of reset assembly, core assembly is taken back initial position, thus makes to knock counterweight and get back to initial position.
Further, described power unit comprises:
Electromagnetic coil assembly, be provided with coil, be sheathed in described coil and according to coil power on/off reciprocating core assembly;
Lever, one end that described lever is positioned at balance pivot connects described core assembly, and the other end being positioned at balance pivot is flexibly connected described link.
The utility model additionally provides one and knocks proving installation, comprises described knocking test striking head.
Accompanying drawing explanation
Fig. 1 is the initial position schematic diagram of a kind of embodiment of the present utility model.
Fig. 2 be a kind of embodiment of the present utility model knock view.
Fig. 3 is the schematic diagram of a kind of embodiment of the present utility model.
Fig. 4 is the schematic diagram of a kind of embodiment of the present utility model.
Fig. 5 is the schematic diagram of a kind of embodiment of the present utility model.
Fig. 6 is the schematic diagram of a kind of embodiment of knocking counterweight.
Numeral and the corresponding component title represented by letter in figure:
1. knock the counterweight 11. buffer unit 12. connecting link 21. link 211. tested object 212. of cavity 22. coil 23. core assembly 24. reset assembly 25. power unit shell 3. that leads and flexibly connect rope 21a. web joint 21b. lever
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, in certain embodiments, one knocks test striking head, comprising:
Knock counterweight 1 and driven unit, the described counterweight 1 that knocks is flexibly connected with described driven unit, knock counterweight 1 described in described driven unit drives to pump, described in knock counterweight 1 and knock test with the kinetic energy that knocks knocking the weight of counterweight 1 own and produce to by the object 3 knocking test.
In certain embodiments, driven unit is specifically constructed as follows:
Power unit, provides described in driving and knocks the reciprocating power of counterweight;
Link 21, one end is fixedly connected with power unit, and the other end is flexibly connected with the described counterweight 1 that knocks.
Wherein, described power unit comprises:
Electromagnetic coil assembly, be provided with coil 22, be sheathed in described coil 22 and according to coil 22 power on/off reciprocating core assembly 23;
Described core assembly 23 one end connects described link 21, and the other end connects reset assembly 24.
Described link 21 is provided with a guiding cavity 211, the described counterweight 1 that knocks is provided with a connecting link 12, described connecting link 12 is sheathed in described guiding cavity 211 and also can be free to slide, described guiding cavity 211 is provided with described connecting link 12 limiting component mated, and connecting link 12 can not be departed from from described link.
In above-mentioned two schemes, guiding cavity has the effect of leading and preventing to knock counterweight inclination or rock, and makes operation more accurately steadily.Using connecting link to be connected connected mode with flexibly connecting to restrict, when can knock downwards, make driven unit and knock counterweight to be temporarily in released state in fact, and after knocking end, both will knock again counterweight and taking back initial position.
Reset assembly can be made up of flexible member (as being spring in Fig. 1), when needs knock downwards, solenoid is energized, core assembly is under the effect of electromagnetic force, move downward, counterweight is knocked in release, makes its free-falling knock testee, now, reset assembly by compress energy storage, as shown in Figure 2, after knocking end, solenoid dead electricity, electromagnetic force disappears, and the fault offset of reset assembly, takes back initial position by core assembly, thus make to knock counterweight and get back to initial position, as shown in Figure 1.
In other embodiment, as shown in Figure 3, all the other are identical with previous embodiment, same described link 21 is provided with a guiding cavity 211, a described part of knocking counterweight 1 is sheathed in described guiding cavity 211 and also can be free to slide, the upper end of described guiding cavity 211 is provided with one and flexibly connects rope 212, the described other end flexibly connecting rope 212 is connected with described upper end of knocking counterweight 1, makes to knock counterweight 1 and not only can be free to slide in described guiding cavity 211 but also can not depart from from described link 21.
In above-described embodiment, when driven unit starts, when iron core drives coupling assembling to move downward, (speed of knocking counterweight free-falling is more than or equal to) when its speed is enough, connecting link or flexibly connect rope to knock counterweight tractive force disappear, knock counterweight freely to accelerate, and knock testee, now link continues to move downward a segment distance and then reaches the extreme position moved downward, due to the existence of the cavity that leads, link does not all directly touch and knocks counterweight from start to finish, (friction force of sidewall is ignored to so there is no to provide mechanical energy to it, this friction force is very little, and substantially constant, very little on the impact of measuring accuracy), and connecting link is free to slide in guiding cavity, and flexibly connect rope free bend in guiding cavity, the transmission of energy is not had yet, therefore, the percussion power that testee bears only derives from and knocks counterweight itself.When the speed that coupling assembling moves down is less than the speed of knocking counterweight free-falling, knock counterweight and link constant speed moves down, and knock testee with this kinetic energy, equally, other parts can not provide extra kinetic energy to it, also can not affect and knock precision.
The beneficial effect of the technical program is, driven unit and knock between counterweight be flexibly connected or flexibly connect, energy transferring is not had between them, when driven unit is motionless, knock counterweight transfixion, when driven unit starts, knock counterweight to be released, free-falling under its own weight, and knock tested product, in this process, driven unit and knock between counterweight and do not have energy transferring, the kinetic energy of driven unit is not delivered to and knocks on counterweight, the kinetic energy that tested object bears is by the quality of knocking counterweight, and tested body surface and the distance of knocking between counterweight lower end determine, the all very good controlling and adjustment of these two parameters, therefore obtain constant percussion power and become easily simple, and it is reliable.After knocking end, driven unit drive is knocked counterweight and is returned initial position, prepares to knock next time, so circulates, complete whole test job.
In order to carry out different test jobs more easily, described in knock counterweight and comprise at least one unit counterweight assembly, described unit counterweight assembly is detachable.As shown in Figure 6, that three unit counterweight assemblies head and the tail removably connect and form, the mode removably connected is a lot, as being threaded, buckle connect, or make knocking counterweight the hollow cylinder that is provided with counterweight chamber, the unit counterweight assembly placing varying number at counterweight chamber adjusts percussion power.
This programme by the quantity of unit of adjustment's counterweight assembly, can adjust whole weight of knocking counterweight, thus adjusts percussion power easily easily, improves degree easy to use and the versatility of equipment.
In other embodiment, described in knock counterweight the free end one end of namely knocking by knocking the object of test be provided with buffer unit.
Buffer unit can use the material preparations such as rubber, flexible high molecular material, leather, and the tested body surface of main protection is not knocked to be scratched and damage.
In such scheme, guiding cavity has the effect of leading and preventing to knock counterweight inclination or rock, and makes operation more accurately steadily.Use connecting link and flexibly connect the connected mode of restricting and being connected, when can knock downwards, make driven unit and knock counterweight to be temporarily in released state in fact, and after knocking end, both will knock again counterweight and take back initial position.
In certain embodiments, described driver part comprises:
Power unit, provides described in driving and knocks the reciprocating power of counterweight; In practical application, a kind of optional scheme is that described power unit comprises:
Electromagnetic coil assembly, be provided with coil 22, be sheathed in described coil 22 and according to coil power on/off reciprocating core assembly 23;
Described core assembly 23 one end connects described link 21, and the other end connects reset assembly 24.As shown in Fig. 1 to Fig. 3.
Reset assembly 24 can be made up of flexible member, and when needs knock downwards, solenoid is energized, core assembly, under the effect of electromagnetic force, moves downward, and counterweight is knocked in release, make its free-falling or equal falling knock testee, now, reset assembly is by compress energy storage, after knocking end, solenoid dead electricity, electromagnetic force disappears, the fault offset of reset assembly, core assembly is taken back initial position, thus makes to knock counterweight and get back to initial position.
Link, one end is fixedly connected with power unit, and the other end is flexibly connected with the described counterweight that knocks or flexibly connects.
In other embodiment, as shown in Figure 4, link web joint 21 a replaces, its principle of work and above-described embodiment similar.
In other embodiment, as shown in Figure 5, described power unit comprises:
Electromagnetic coil assembly, be provided with coil, be sheathed in described coil and according to coil power on/off reciprocating core assembly;
Lever 21b, one end that described lever is positioned at balance pivot connects described core assembly, and the other end being positioned at balance pivot is flexibly connected described link.
Also has a lot of embodiment, as power unit can provide power with hydraulic means, pneumatic means, servomotor (mode such as drive screw, cam provides to-and-fro movement) etc.
The utility model additionally provides one and knocks proving installation, comprise job platform, at least one streamline (as conveyer belt apparatus or transfer roller device etc.), one or more combinations wherein such as automatic sensing system, automatic control system, certainly, the most important thing is, also comprise at least one and described in the utility modelly knock test striking head.The configuration of said system, combines according to actual needs, can be manually on duty, also can be full-automatic streamline, can be single head, also can be the multi-thread parallel mode of bull.
Above-described is only preferred implementation of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (9)
1. knock a test striking head, it is characterized in that, comprising:
Knock counterweight and driven unit, the described counterweight that knocks is flexibly connected with described driven unit or flexibly connects, described driven unit knocks counterweight to-and-fro movement described in driving, described in knock counterweight and knock test with the kinetic energy that knocks knocking the weight of counterweight own and produce to by the object knocking test.
2. according to claim 1ly knock test striking head, it is characterized in that, described in knock counterweight and comprise at least one unit counterweight assembly, described unit counterweight assembly is detachable.
3. according to claim 1ly knock test striking head, it is characterized in that, described in knock counterweight the free end one end of namely knocking by knocking the object of test be provided with buffer unit.
4. described knock test striking head according to Claim 1-3 is arbitrary, it is characterized in that, described driven unit is also provided with link, described link is provided with a guiding cavity, the described counterweight that knocks is provided with a connecting link, described connecting link is sheathed in described guiding cavity and also can be free to slide, and described guiding cavity is provided with described connecting link the limiting component mated, and connecting link can not be departed from from described link.
5. described knock test striking head according to Claim 1-3 is arbitrary, it is characterized in that, described driven unit is also provided with link, described link is provided with a guiding cavity, a described part of knocking counterweight is sheathed in described guiding cavity and also can be free to slide, the upper end of described guiding cavity is provided with one and flexibly connects rope, the described other end flexibly connecting rope is connected with described upper end of knocking counterweight, makes to knock counterweight and not only can be free to slide in described guiding cavity but also can not depart from from described link.
6. according to claim 1ly knock test striking head, it is characterized in that, described driver part comprises:
Power unit, provides described in driving and knocks the reciprocating power of counterweight;
Link, one end is fixedly connected with power unit, and the other end is flexibly connected with the described counterweight that knocks or flexibly connects.
7. according to claim 6ly knock test striking head, it is characterized in that, described power unit comprises:
Electromagnetic coil assembly, be provided with coil, be sheathed in described coil and according to coil power on/off reciprocating core assembly;
Described core assembly one end connects described link, and the other end connects reset assembly.
8. according to claim 6ly knock test striking head, it is characterized in that, described power unit comprises:
Electromagnetic coil assembly, be provided with coil, be sheathed in described coil and according to coil power on/off reciprocating core assembly;
Lever, one end that described lever is positioned at balance pivot connects described core assembly, and the other end being positioned at balance pivot is flexibly connected described link.
9. knock a proving installation, it is characterized in that, comprise and described knock test striking head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487801.0U CN204064642U (en) | 2014-08-27 | 2014-08-27 | One is knocked test striking head and is knocked proving installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487801.0U CN204064642U (en) | 2014-08-27 | 2014-08-27 | One is knocked test striking head and is knocked proving installation |
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| CN204064642U true CN204064642U (en) | 2014-12-31 |
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| CN201420487801.0U Active CN204064642U (en) | 2014-08-27 | 2014-08-27 | One is knocked test striking head and is knocked proving installation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445000A (en) * | 2014-08-27 | 2016-03-30 | 苏州杰锐思自动化设备有限公司 | Knocking head for knocking test and knocking test device |
| CN106483454A (en) * | 2015-09-02 | 2017-03-08 | 东莞东聚电子电讯制品有限公司 | Keyboard detection method and for the testing agency in the method |
| CN112254980A (en) * | 2020-10-09 | 2021-01-22 | 石秀兰 | Bicycle front fork strength detection device and detection method |
-
2014
- 2014-08-27 CN CN201420487801.0U patent/CN204064642U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445000A (en) * | 2014-08-27 | 2016-03-30 | 苏州杰锐思自动化设备有限公司 | Knocking head for knocking test and knocking test device |
| CN106483454A (en) * | 2015-09-02 | 2017-03-08 | 东莞东聚电子电讯制品有限公司 | Keyboard detection method and for the testing agency in the method |
| CN106483454B (en) * | 2015-09-02 | 2019-10-18 | 东莞东聚电子电讯制品有限公司 | Keyboard detection method and for the testing agency in this method |
| CN112254980A (en) * | 2020-10-09 | 2021-01-22 | 石秀兰 | Bicycle front fork strength detection device and detection method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 15 Mudu East Road, Mudu Town, Wuzhong District, Suzhou City, Jiangsu Province 215000 Patentee after: Suzhou jieruisi Intelligent Technology Co., Ltd Address before: Zhujiang Road Wuzhong District Mudu town of Suzhou city in Jiangsu province 215101 No. 368 (Mudu Technology Park A025 room) Patentee before: Suzhou Jieruisi Automation Equipment Co., Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 215000 No. 9, Zhufeng Road, Mudu Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Suzhou jieruisi Intelligent Technology Co.,Ltd. Address before: 215000 No.15, Mudu Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: Suzhou jieruisi Intelligent Technology Co.,Ltd. |