CN204030920U - Anti-error frequency converter - Google Patents
Anti-error frequency converter Download PDFInfo
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- CN204030920U CN204030920U CN201420330761.9U CN201420330761U CN204030920U CN 204030920 U CN204030920 U CN 204030920U CN 201420330761 U CN201420330761 U CN 201420330761U CN 204030920 U CN204030920 U CN 204030920U
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- knob
- groove
- slide bar
- connecting rod
- slippage
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Abstract
The utility model discloses a kind of anti-error frequency converter, control panel is provided with and is convexly equipped with the knob that mainframe box is column outward, knob is provided with the lid of turning round that covers knob, turn round between the interior diapire center of lid and center, knob outer face and be provided with connecting rod, connecting rod is connected with knob, knob outer face is provided with rotation slot, connecting rod and rotation slot clamping and can be in rotation slot upper and lower slippage, between connecting rod and rotation slot diapire, be provided with Compress Spring, turn round and cover outer face and be provided with slippage groove, in slippage groove, be provided with slide bar, slide bar and the axial clamping of slippage groove and can slippage in slippage groove, on knob, outer face is provided with slot, the setting of staggering of slot and slide bar, the inwall of the relative radial direction of slippage groove is provided with groove, between groove diapire and slide bar, be provided with back-moving spring.The relative knob of slide bar one end is provided with pulley.This anti-error frequency converter efficiently solve the knob of encountering because of carelessness on electric frequency device occur knob turn or because of the inoperative personnel such as child without reason turn knob affect the problem of machine operation.
Description
Technical field
The utility model relates to a kind of electroporation field, and more particularly, it relates to a kind of anti-error frequency converter.
Background technology
Frequency converter is application converter technique and microelectric technique, controls the electric control appliance of alternating current motor by changing machine operation supply frequency mode.Frequency converter is mainly comprised of rectification (AC-DC), filtering, inversion (direct current becomes interchange), brake unit, driver element, detecting unit microprocessing unit etc.Voltage and the frequency of cut-offfing to adjust out-put supply of the inner IGBT of portion of frequency converter; according to the actual needs of motor, provide its needed supply voltage, and then reach object energy-conservation, speed governing, in addition; frequency converter also has a lot of defencive functions, as overcurrent, overvoltage, overload protection etc.Along with improving constantly of industrial automatization, frequency converter has also obtained application very widely.Some frequency converters are provided with the knob with regulatory function; because knob is convexly equipped with outside frequency converter; so usually can occur because of being encountered because of carelessness in daily life that knob rotation causes the data on frequency converter to change the work that affects motor, or affect the work of motor because the inoperative personnel such as child remove turn knob gratuitously.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of anti-error frequency converter, this anti-error frequency converter efficiently solve the knob of encountering because of carelessness on electric frequency device occur knob turn or because of the inoperative personnel such as child without reason turn knob affect the problem of machine operation.
For achieving the above object, the utility model provides following technical scheme: a kind of anti-error frequency converter, comprise casing, described casing comprises mainframe box and the heat dissipation tank being fixed together by screw, described mainframe box is provided with control panel, described control panel is provided with and is convexly equipped with the knob that mainframe box is column outward, described knob is provided with the lid of turning round that covers knob, described turning round between the interior diapire center of lid and center, knob outer face is provided with connecting rod, described connecting rod with turn round lid be fixedly connected with, described connecting rod is connected with knob, described knob outer face is provided with rotation slot, described connecting rod and rotation slot clamping and can be in rotation slot upper and lower slippage, between described connecting rod and rotation slot diapire, be provided with Compress Spring, described turning round covered the slippage groove that outer face is provided with radial slippage, in described slippage groove, be provided with slide bar, described slide bar and the axial clamping of slippage groove and can slippage in slippage groove, on described knob, outer face is provided with the slot that can peg graft and coordinate with slide bar, the setting of staggering of described slot and slide bar, the inwall of the relative radial direction of described slippage groove is provided with groove, between described groove diapire and slide bar, be provided with back-moving spring, described turning round between the interior diapire of lid and knob outer face is provided with space, described turning round between lid and control panel is provided with gap.The relative knob of described slide bar one end is provided with the pulley inconsistent with knob outer face.
By adopting technique scheme, when needs turning knob, need first slide bar to be moved to the top of slot, and then will turn round lid and depress slide bar is inserted in slot, rotate when turning round lid and could drive knob by slide bar like this, even if arrange to have encountered because of carelessness like this, turn round lid, turn round lid and also only can dally, can not drive knob.When child goes to rotate knob, pulley on slide bar only can be on the outer face of knob covers center rotating and can not drive knob around turning round, like this with regard to efficiently solve the knob of encountering because of carelessness on electric frequency device occur knob turn or because of the inoperative personnel such as child without reason turn knob affect the problem of machine operation.
The utility model is further set to: described control panel is provided with the fixed lever perpendicular to control panel, described fixed lever free end is provided with perpendicular to fixed lever and has flexible connecting rod, described connecting rod and fixed lever are rotationally connected, the described center of covering outer end of turning round is provided with and compresses groove, described connecting rod and compress between bottom land wall and be provided with support rod, described support rod one end is fixedly connected with connecting rod is vertical, and the other end supports and is located on the diapire that compresses groove.
By adopting technique scheme, on control panel, be provided with after support rod, giving a kind of support rod of people is the illusion being integrated with turning round lid, can not press, even if child has stirred slide bar like this, slide bar also not can with slot clamping, turn round lid and only can dally, so just more effectively avoided knob by the possibility of child's turn, connecting rod has elasticity, as long as support rod is screwed out to mortgage groove, turn round like this lid and just can pull outward.
The utility model is further set to: relative back-moving spring one side of described slide bar is provided with fixture block, described slot inwall be provided with can with the draw-in groove of fixture block clamping.
By adopting technique scheme, relative back-moving spring one side of slide bar is provided with fixture block, slot inwall be provided with can with the draw-in groove of fixture block clamping, after slide bar is inserted in slot, fixture block will snap onto in draw-in groove, after hand bleeds off slide bar like this, slide bar can be inserted in slot always, as long as it is just passable that hand goes rotation to turn round lid, so just can rotate more easily and turn round lid, after adjusting knob, as long as stir slide bar, make fixture block depart from draw-in groove, slide bar will eject outside slot under the effect of Compress Spring like this, and after lid is turned round in rotation, knob just can not rotate.
The utility model is further set to: described in turn round to cover and be provided with anti-skidding lines, described anti-skidding lines comprises the ring-type tread plate that covers the axial vertical tread plate arranging of circumferential surface and axially spaced-apart setting around turning round, and described vertical tread plate and ring-type tread plate interval arrange.
By adopting technique scheme, vertical tread plate and ring-type tread plate interval arrange, when when tension-torsion is covered, ring-type tread plate just increases finger and turns round the frictional force between lid, making to turn round lid is more easily drawn out, when turning round in rotation when covering, vertical tread plate just can increase to be pointed and turns round the frictional force between lid, makes when lid is turned round in rotation, to be not easy to skid.
Accompanying drawing explanation
Fig. 1 is the stereogram of the anti-error frequency converter embodiment of the utility model;
Fig. 2 is the enlarged drawing of A in Fig. 1;
Fig. 3 is knob and the structure chart of turning round lid;
Fig. 4 is knob and the blast structure chart of turning round lid.
Reference numeral: 1, casing; 2, mainframe box; 3, heat dissipation tank; 4, control panel; 5, knob; 6, turn round lid; 7, connecting rod; 8, rotation slot; 9, Compress Spring; 10, slippage groove; 11, slide bar; 12, slot; 13, groove; 14, back-moving spring; 15, space; 16, pulley; 17, connecting rod; 18, compress groove; 19, support rod; 20, fixed lever; 21, fixture block; 22, draw-in groove.23, anti-skidding lines; 231, vertical tread plate; 232, ring-type tread plate.
Embodiment
Referring to figs. 1 through Fig. 4, the anti-error frequency converter embodiment of the utility model is described further.
A kind of anti-error frequency converter, comprise casing 1, described casing 1 comprises mainframe box 2 and the heat dissipation tank 3 being fixed together by screw, described mainframe box 2 is provided with control panel 4, described control panel 4 is provided with and is convexly equipped with the outer knob 5 that is column of mainframe box 2, described knob 5 is provided with the lid of turning round that covers knob 5, described turning round between the 6 interior diapire centers of covering and knob 5 centers, outer face is provided with connecting rod 7, described connecting rod 7 covers 6 and is fixedly connected with turning round, described connecting rod 7 is rotationally connected with knob 5, described knob 5 outer faces are provided with rotation slot 8, described connecting rod 7 and rotation slot 8 clampings and can be in the interior upper and lower slippage of rotation slot 8, between described connecting rod 7 and rotation slot 8 diapires, be provided with Compress Spring 9, described turning round covered the slippage groove 10 that 6 outer faces are provided with radial slippage, in described slippage groove 10, be provided with slide bar 11, described slide bar 11 and the axial clamping of slippage groove 10 and can be in the interior slippage of slippage groove 10, on described knob 5, outer face is provided with the slot 12 that can peg graft and coordinate with slide bar 11, the setting of staggering of described slot 12 and slide bar 11, the inwall of described slippage groove 10 relative radial direction is provided with groove 13, between described groove 13 diapires and slide bar 11, be provided with back-moving spring 14, described turn round to cover between 6 interior diapires and knob 5 outer faces be provided with space 15, described turn round cover 6 and control panel 4 between be provided with gap.Described slide bar 11 relative knob 5 one end are provided with the pulley 16 inconsistent with knob 5 outer faces.
By adopting technique scheme, when needs turning knob 5, need first slide bar 11 to be moved to the top of slot 12, and then will turn round and cover 6 and depress slide bar 11 is inserted in slot 12, rotate like this and turn round when covering 6 and could drive knob 5 to rotate by slide bar 11, even if arrange like this to have encountered because of carelessness to turn round, cover 6, turn round and cover 6 and also can dally, can not drive knob 5 rotations.When child removes to rotate knob 5,16 meetings of pulley on slide bar 11 are covered 6 center rotatings and can not driven knob 5 around turning round on the outer face of knob 5, like this with regard to efficiently solve the knob 5 of encountering because of carelessness on electric frequency device occur knob 5 turns or because of the inoperative personnel such as child without reason turn knob 5 affect the problem of machine operation.
Described control panel 4 is provided with the fixed lever 20 perpendicular to control panel 4, described fixed lever 20 free ends are provided with perpendicular to fixed lever 20 and have flexible connecting rod 17, described connecting rod 17 is rotationally connected with fixed lever 20, the described center of covering 6 outer ends of turning round is provided with and compresses groove 18, described connecting rod 17 and compress between groove 18 diapires and be provided with support rod 19, described support rod 19 one end are fixedly connected with connecting rod 7 is vertical, and the other end supports and is located on the diapire that compresses groove 18.
By adopting technique scheme, on control panel 4, be provided with after support rod 19, giving a kind of support rod 19 of people is to cover 6 illusions that are integrated with turning round, and can not press, even if child has stirred slide bar 11 like this, slide bar 11 also not can with slot 12 clampings, turn round and cover 6 and can dally, so just more effectively avoided knob 5 by child's turn may, connecting rod 17 has elasticity, as long as support rod 19 is screwed out to mortgage grooves, turn round like this and cover 6 and just can pull outward.
Relative back-moving spring 14 1 sides of described slide bar 11 are provided with fixture block 21, described slot 12 inwalls be provided with can with the draw-in groove 22 of fixture block 21 clampings.
By adopting technique scheme, relative back-moving spring 14 1 sides of slide bar 11 are provided with fixture block 21, slot 12 inwalls be provided with can with the draw-in groove 22 of fixture block 21 clampings, slide bar 11 be inserted into slot 12 interior after, fixture block 21 will snap onto in draw-in groove 22, hand bleeds off the rear slide bar 11 of slide bar 11 and can be inserted in slot 12 always like this, as long as hand go to rotate turn round cover 6 just passable, so just can rotate more easily to turn round and cover 6, after adjusting knob 5, as long as stir slide bar 11, make fixture block 21 depart from draw-in groove 22, slide bar 11 will eject outside slot 12 under the effect of Compress Spring 9 like this, rotation is turned round and is covered 6 rear knobs 5 and just can not rotate.
Described turning round covered 6 and is provided with anti-skidding lines 23, and described anti-skidding lines 23 comprises around turning round and cover the ring-type tread plate 232 that vertical tread plate 231 that 6 circumferential surfaces axially arrange and axially spaced-apart arrange, and described vertical tread plate 231 and ring-type tread plate 232 intervals arrange.
By adopting technique scheme, vertical tread plate 231 and ring-type tread plate 232 intervals arrange, when when tension-torsion covers 6, ring-type tread plate 232 just increases finger and turns round the frictional force of covering between 6, make to turn round and cover 6 and be more easily drawn out, when turning round in rotation when covering 6, vertical tread plate 231 just can increase to be pointed and turns round the frictional force of covering between 6, makes to turn round when covering 6 and be not easy to skid in rotation.
Concrete, when needs turning knob 5, need first slide bar 11 to be moved to the top of slot 12, and then will turn round and cover 6 and depress slide bar 11 is inserted in slot 12, rotate like this and turn round when covering 6 and could drive knob 5 to rotate by slide bar 11, even if arrange like this to have encountered because of carelessness to turn round, cover 6, turn round and cover 6 and also can dally, can not drive knob 5 rotations.When child removes to rotate knob 5, 16 meetings of pulley on slide bar 11 are covered 6 center rotatings and can not driven knob 5 around turning round on the outer face of knob 5, like this with regard to efficiently solve the knob 5 of encountering because of carelessness on electric frequency device occur knob 5 turns or because of the inoperative personnel such as child without reason turn knob 5 affect the problem of machine operation, when rotating end knob 5, as long as, stir slide bar 11 deviates from fixture block 21 from draw-in groove 22, slide bar 11 also just can be bound to outside slot 12 under the effect of Compress Spring 9 automatically like this, turn round like this cover 6 and knob 5 just can not link, even if rotated to turn round, cover 6 and also can not drive knob 5.
Claims (4)
1. an anti-error frequency converter, comprise casing, described casing comprises mainframe box and the heat dissipation tank being fixed together by screw, described mainframe box is provided with control panel, described control panel is provided with and is convexly equipped with the knob that mainframe box is column outward, it is characterized in that: described knob is provided with the lid of turning round that covers knob, described turning round between the interior diapire center of lid and center, knob outer face is provided with connecting rod, described connecting rod with turn round lid be fixedly connected with, described connecting rod is connected with knob, described knob outer face is provided with rotation slot, described connecting rod and rotation slot clamping and can be in rotation slot upper and lower slippage, between described connecting rod and rotation slot diapire, be provided with Compress Spring, described turning round covered the slippage groove that outer face is provided with radial slippage, in described slippage groove, be provided with slide bar, described slide bar and the axial clamping of slippage groove and can slippage in slippage groove, on described knob, outer face is provided with the slot that can peg graft and coordinate with slide bar, the setting of staggering of described slot and slide bar, the inwall of the relative radial direction of described slippage groove is provided with groove, between described groove diapire and slide bar, be provided with back-moving spring, described turning round between the interior diapire of lid and knob outer face is provided with space, described turning round between lid and control panel is provided with gap, the relative knob of described slide bar one end is provided with the pulley inconsistent with knob outer face.
2. anti-error frequency converter according to claim 1, it is characterized in that: described control panel is provided with the fixed lever perpendicular to control panel, described fixed lever free end is provided with perpendicular to fixed lever and has flexible connecting rod, described connecting rod and fixed lever are rotationally connected, the described center of covering outer end of turning round is provided with and compresses groove, described connecting rod and compress between bottom land wall and be provided with support rod, described support rod one end is fixedly connected with connecting rod is vertical, and the other end supports and is located on the diapire that compresses groove.
3. anti-error frequency converter according to claim 2, is characterized in that: relative back-moving spring one side of described slide bar is provided with fixture block, described slot inwall be provided with can with the draw-in groove of fixture block clamping.
4. anti-error frequency converter according to claim 3, it is characterized in that: described in turn round to cover and be provided with anti-skidding lines, described anti-skidding lines comprises the ring-type tread plate that covers the axial vertical tread plate arranging of circumferential surface and axially spaced-apart setting around turning round, and described vertical tread plate and ring-type tread plate interval arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420330761.9U CN204030920U (en) | 2014-06-19 | 2014-06-19 | Anti-error frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420330761.9U CN204030920U (en) | 2014-06-19 | 2014-06-19 | Anti-error frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204030920U true CN204030920U (en) | 2014-12-17 |
Family
ID=52070746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420330761.9U Active CN204030920U (en) | 2014-06-19 | 2014-06-19 | Anti-error frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204030920U (en) |
-
2014
- 2014-06-19 CN CN201420330761.9U patent/CN204030920U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |