CN202735086U - Knob clamp - Google Patents
Knob clamp Download PDFInfo
- Publication number
- CN202735086U CN202735086U CN 201220442504 CN201220442504U CN202735086U CN 202735086 U CN202735086 U CN 202735086U CN 201220442504 CN201220442504 CN 201220442504 CN 201220442504 U CN201220442504 U CN 201220442504U CN 202735086 U CN202735086 U CN 202735086U
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- China
- Prior art keywords
- knob
- clamping
- base
- bidirectional helical
- helical bar
- 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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Abstract
The utility model relates to a knob clamp. One end of the knob clamp clamps and fixes a to-be-measured knob in a separatable manner, and the other end is sleeved on a motor shaft of a knob testing device in a separatable manner, so that the to-be-measured knob can rotate coaxially with the rotation of the motor shaft. The knob clamp comprises a base, and a first clamping portion and a second clamping portion connected to the base; and a clamping size adjusting mechanism is fixed on the base, wherein the clamping size adjusting mechanism comprises a bidirectional threaded rod which can be movably fixed on the base, the first and second clamping portions are respectively screwed on portions of the bidirectional threaded rod which are equipped with screw threads in different directions, and the bidirectional threaded rod is rotated to enable the first and second clamping portions to simultaneously move to two opposite directions, thereby achieving the goal of adjusting the clamping size between the first and second clamping portions so that the knob clamp can be adapted to different kinds of to-be-measured knobs. The knob clamp which is simple in structure and convenient in operation can meet requirements for rotation service life tests of different knobs.
Description
Technical field
The utility model relates to test fixture, relates in particular to a kind of knob clamping fixture for test turn knob potentiometer rotational life.
Background technology
In the performance and reliability testing process of electronic product, comprising the test for turn knob potentiometer of various ways, such as the knob torsion-testing, knob durability test etc., mode and the size of the knob anchor clamps coupling arrangement of various testing apparatuss are not quite similar; And between the different products, the type of knob is also inconsistent, such as cylindrical knob and bar knob etc.; Even be all cylindrical knob, also can owing to the difference of product design, be of different sizes.Before knob is carried out various types of tests, need to make special anchor clamps according to profile, the size of knob, and same knob, the different test that carry out also needs to make the anchor clamps for different testing apparatuss.Too much anchor clamps quantity and type, not only manufacturing process wastes time and energy, and has increased the cost of test, and with the increasing of product pattern, a large amount of dissimilar knob anchor clamps for relevant anchor clamps administer and maintain also brought a lot of troubles.Therefore, a kind of universal knob clamping fixture that can try one's best compatible dissimilar knob and different testing tools of design just seems particularly important.
Summary of the invention
The purpose of this utility model is to provide a kind of knob clamping fixture for test knob rotational life.
The utility model solves the problems of the technologies described above the technical scheme that adopts: a kind of knob clamping fixture, the separable clamping of one end and fixing knob to be measured, the other end is sleeved on the motor shaft of knob proving installation separably, its with so that knob to be measured can be along with the rotation of motor shaft coaxial rotating, this knob clamping fixture comprises base and is connected to the first clamping part and the second clamping part on the base, be fixed with a clamping size adjustment mechanism on the described base, described clamping size adjustment mechanism comprises the movable bidirectional helical bar that is fixed on the base, and described the first and second clamping parts are screwed on respectively on the position with different directions screw thread of bidirectional helical bar.
In a preferred embodiment, described clamping size adjustment mechanism also comprises the guide pole that is fixed on the base, described guide pole is parallel with the bidirectional helical bar, the end of described the first and second clamping parts is formed with the pilot hole that cooperates with guide pole, and described the first and second clamping parts are enclosed within on the guide pole by described pilot hole.
In a preferred embodiment, be fixed with bindiny mechanism on the end away from the first and second clamping part heads of described base, described knob clamping fixture can link to each other with motor shaft on the knob proving installation by bindiny mechanism.
In a preferred embodiment, the middle part of described bidirectional helical bar is fixed with and is easy to the adjusting knob that hand is controlled the rotation of bidirectional helical bar.
In a preferred embodiment, described bindiny mechanism comprises a cylindrical connection pedestal roughly, the end of described connection pedestal is fixedly connected with a shaft coupling take the central axis of described connection pedestal as rotation centerline separably, and described shaft coupling can connect with described motor shaft is adaptive.
In a preferred embodiment, described the first and second clamping parts are the mirror image setting with described connection pedestal central axis, are formed with the grasping part that can supply knob to insert between the head of described the first and second clamping parts.
In a preferred embodiment, be formed with respectively the screw that the screw thread raceway with described bidirectional helical bar is complementary on described the first and second clamping parts.
The beneficial effect of the utility model knob clamping fixture is: be provided with a threaded rod with different directions screw thread on these anchor clamps, the first and second clamping parts are screwed on respectively on the position with different directions screw thread of this bidirectional helical bar, can make the simultaneously in the opposite direction translation of the first and second clamping parts by rotating this bidirectional helical bar, reach the purpose of regulating the grasping part size between the first and second clamping parts, adapt to dissimilar knobs to be measured with this.The utility model knob clamping fixture can satisfy the needs of multiple knob rotating life-span, has solved the problem of measurement range limitation in the existing detection technique, and simple in structure, easy to operate.
Description of drawings
Fig. 1 is the structural representation of knob clamping fixture among the embodiment.
Fig. 2 is the three-dimensional exploded view of knob clamping fixture among the embodiment.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing the utility model knob clamping fixture is described in further detail.
A kind of knob clamping fixture, the separable clamping of one end and fixing knob to be measured (figure does not look), the other end is sleeved on the motor shaft 70 of knob proving installation separably, and these anchor clamps are in order to clamping and make knob to be measured coaxial with frequently rotation along with the rotation of motor shaft 70.
See also Fig. 1, this knob clamping fixture comprises base 10 and is connected to the first clamping part 20 and the second clamping part 30, the first clamping parts 20 and the 30 mirror image settings of the second clamping part on the base 10, is formed with the grasping part that can insert for knob between its head.
Clamping size adjustment mechanism 40 comprises a two-way threaded rod 41, two sections screw threads that have respectively different directions about this bidirectional helical bar 41, the first clamping part 20 and the second clamping part 30 are screwed on respectively on the position with different directions screw thread, on the first clamping part 20 and the second clamping part 30, be formed with respectively the screw (figure does not look) that is complementary with bidirectional helical bar 41 screw threads, fix an adjusting knob 43 at the middle part of bidirectional helical bar 41, stir this adjusting knob 43 by hand, can control 41 rotations of bidirectional helical bar.
Clamping size adjustment mechanism 40 also comprises the guide pole 42 that be arranged in parallel with bidirectional helical bar 41, this guide pole 42 is no less than 1, and all be arranged in parallel with bidirectional helical bar 41, end at the first clamping part 20 and the second clamping part 30 is formed with respectively the pilot hole (figure does not look) that matches with guide pole 41, the first clamping part 20 and the second clamping part 30 are enclosed within on the guide pole 41 by pilot hole respectively, and can slide at guide pole 41.
On base 10 and away from an end of the first and second clamping parts 20,30 head, be fixed with bindiny mechanism 50, the utility model knob clamping fixture can be installed on the knob proving installation by this bindiny mechanism 50.
Understandable, for guaranteeing knob to be measured and motor shaft coaxial rotating, the first clamping part 20 be connected clamping part 30 and be the mirror image setting with the central axis 60 that connects pedestal 51.
During use, at first the utility model knob clamping fixture is installed on the knob proving installation, then stir this adjusting knob 43 and make 41 rotations of bidirectional helical bar, and make the first clamping part 20 and the second clamping part 30 that are screwed on the bidirectional helical bar 41 slide into knob to be measured adaptive towards different directions, then stopping to stir adjusting knob 43, that knob to be measured is held is fixing, at last, open when the knob proving installation rotates motor shaft and drive the knob rotation, to finish the rotating life-span of follow-up knob.
To sum up, the utility model knob clamping fixture, make the simultaneously in the opposite direction translation of the first and second clamping parts by rotating the bidirectional helical bar, reach the purpose of regulating the grasping part size between the first and second clamping parts, adapt to dissimilar knobs to be measured with this, therefore, can satisfy the needs of polytype knob rotating life-span, solved the problem of measurement range limitation in the existing detection technique, and simple in structure, easy to operate.
Although description of the present utility model is carried out in conjunction with above specific embodiment,, those skilled in the art that can carry out many replacements, modifications and variations, be apparent according to above-mentioned content.Therefore, all are such substitute, improve and change all is included in the spirit and scope of attached claim.
Claims (7)
1. knob clamping fixture, the separable clamping of one end and fixing knob to be measured, the other end is sleeved on the motor shaft of knob proving installation separably, its with so that knob to be measured can be along with the rotation of motor shaft coaxial rotating, this knob clamping fixture comprises base and is connected to the first clamping part and the second clamping part on the base, it is characterized in that, be fixed with a clamping size adjustment mechanism on the described base, described clamping size adjustment mechanism comprises the movable bidirectional helical bar that is fixed on the base, and described the first and second clamping parts are screwed on respectively on the position with different directions screw thread of bidirectional helical bar.
2. knob clamping fixture according to claim 1, it is characterized in that, described clamping size adjustment mechanism also comprises the guide pole that is fixed on the base, described guide pole is parallel with the bidirectional helical bar, the end of described the first and second clamping parts is formed with the pilot hole that cooperates with guide pole, and described the first and second clamping parts are enclosed within on the guide pole by described pilot hole.
3. knob clamping fixture according to claim 1, it is characterized in that, be fixed with bindiny mechanism on the end away from the first and second clamping part heads of described base, described knob clamping fixture can link to each other with motor shaft on the knob proving installation by bindiny mechanism.
4. knob clamping fixture according to claim 1 is characterized in that, the middle part of described bidirectional helical bar is fixed with and is easy to the adjusting knob that hand is controlled the rotation of bidirectional helical bar.
5. knob clamping fixture according to claim 4, it is characterized in that, described bindiny mechanism comprises a cylindrical connection pedestal roughly, the end of described connection pedestal is fixedly connected with a shaft coupling take the central axis of described connection pedestal as rotation centerline separably, and described shaft coupling can connect with described motor shaft is adaptive.
6. knob clamping fixture according to claim 5, it is characterized in that, described the first and second clamping parts are the mirror image setting with described connection pedestal central axis, are formed with the grasping part that can supply knob to insert between the head of described the first and second clamping parts.
7. knob clamping fixture according to claim 5 is characterized in that, is formed with respectively the screw that the screw thread raceway with described bidirectional helical bar is complementary on described the first and second clamping parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442504 CN202735086U (en) | 2012-09-03 | 2012-09-03 | Knob clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442504 CN202735086U (en) | 2012-09-03 | 2012-09-03 | Knob clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202735086U true CN202735086U (en) | 2013-02-13 |
Family
ID=47660773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220442504 Expired - Fee Related CN202735086U (en) | 2012-09-03 | 2012-09-03 | Knob clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202735086U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634550A (en) * | 2013-11-15 | 2015-05-20 | 珠海格力电器股份有限公司 | Device and method for enabling knob switch to automatically rotate |
| CN105973518A (en) * | 2016-05-18 | 2016-09-28 | 苏州卓诚钛设备有限公司 | Torque testing machine |
| CN106199280A (en) * | 2016-08-11 | 2016-12-07 | 德凯宜特（昆山）检测有限公司 | A kind of knob endurance testing device |
| CN106353077A (en) * | 2016-08-23 | 2017-01-25 | 成都慧信实验设备有限公司 | Durability test device of rotary data cable connector |
| CN106556797A (en) * | 2016-11-25 | 2017-04-05 | 安徽江淮汽车集团股份有限公司 | Cubicle switch reliability test frock |
| CN107401997A (en) * | 2017-05-13 | 2017-11-28 | 浙江诸暨万宝机械有限公司 | Single twin-tub shares caliper cylinder holes rectangular channel detecting tool |
| CN108317365A (en) * | 2018-01-03 | 2018-07-24 | 佛山杰致信息科技有限公司 | A kind of electronic equipment holder |
| CN109443733A (en) * | 2018-12-13 | 2019-03-08 | 科堡科技（江苏）有限公司 | A kind of knob endurance testing device |
| CN109655638A (en) * | 2018-11-28 | 2019-04-19 | 广东电网有限责任公司 | A kind of secondary terminals row test connection fixing device |
-
2012
- 2012-09-03 CN CN 201220442504 patent/CN202735086U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634550A (en) * | 2013-11-15 | 2015-05-20 | 珠海格力电器股份有限公司 | Device and method for enabling knob switch to automatically rotate |
| CN105973518A (en) * | 2016-05-18 | 2016-09-28 | 苏州卓诚钛设备有限公司 | Torque testing machine |
| CN105973518B (en) * | 2016-05-18 | 2018-09-25 | 苏州卓诚钛设备有限公司 | Torsion testing machine |
| CN106199280A (en) * | 2016-08-11 | 2016-12-07 | 德凯宜特（昆山）检测有限公司 | A kind of knob endurance testing device |
| CN106353077A (en) * | 2016-08-23 | 2017-01-25 | 成都慧信实验设备有限公司 | Durability test device of rotary data cable connector |
| CN106556797A (en) * | 2016-11-25 | 2017-04-05 | 安徽江淮汽车集团股份有限公司 | Cubicle switch reliability test frock |
| CN106556797B (en) * | 2016-11-25 | 2019-08-06 | 安徽江淮汽车集团股份有限公司 | Stacked switch reliability test tooling |
| CN107401997A (en) * | 2017-05-13 | 2017-11-28 | 浙江诸暨万宝机械有限公司 | Single twin-tub shares caliper cylinder holes rectangular channel detecting tool |
| CN108317365A (en) * | 2018-01-03 | 2018-07-24 | 佛山杰致信息科技有限公司 | A kind of electronic equipment holder |
| CN109655638A (en) * | 2018-11-28 | 2019-04-19 | 广东电网有限责任公司 | A kind of secondary terminals row test connection fixing device |
| CN109655638B (en) * | 2018-11-28 | 2024-03-29 | 广东电网有限责任公司 | Secondary terminal strip test wiring fixing device |
| CN109443733A (en) * | 2018-12-13 | 2019-03-08 | 科堡科技（江苏）有限公司 | A kind of knob endurance testing device |
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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 |
Granted publication date: 20130213 Termination date: 20140903 |
|
| EXPY | Termination of patent right or utility model |