CN203103247U - Crank type anti-tripping handle - Google Patents
Crank type anti-tripping handle Download PDFInfo
- Publication number
- CN203103247U CN203103247U CN 201320108870 CN201320108870U CN203103247U CN 203103247 U CN203103247 U CN 203103247U CN 201320108870 CN201320108870 CN 201320108870 CN 201320108870 U CN201320108870 U CN 201320108870U CN 203103247 U CN203103247 U CN 203103247U
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- CN
- China
- Prior art keywords
- groove ring
- saddle
- crank
- slide
- tripping
- 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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- 230000002265 prevention Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000000670 limiting effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 206010024453 Ligament sprain Diseases 0.000 description 1
- 208000010040 Sprains and Strains Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
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Abstract
The utility model discloses a crank type anti-tripping handle which comprises a crank, wherein a sleeve sleeved together with the input end of a driven shaft of a driven device in a clamping manner is arranged at the output end of the crank, a groove ring is coaxially arranged on the circumference of the sleeve, a slideway and a slide part sliding into the groove ring along the slideway are fixedly arranged on a shell of the driven device; the crank type anti-tripping handle further comprises a spring for elastically pressing the slide part in the groove ring; when the slide part is elastically pressed in the groove ring, a limit relationship is formed between the slide part and the groove ring in the axial direction of the groove ring, so that the purpose of preventing the handle from tripping is achieved; a bearing is coaxially sleeved in the groove ring; the slide part comprises a slide bar capable of sliding along the slideway, and a slide plate fixedly arranged at the end part of the slide bar, wherein the side part of the slide part is arranged into a circular arc shape matched with the circumference of the bearing in a clamping manner; and a push pull block for pushing the slide part to slide is fixedly arranged on the slide part. The crank type anti-tripping handle with the structure has the advantages of reasonable structure, tripping prevention, high safety and convenience in operation.
Description
Technical field
The utility model relates to the anti-tripping handle of a kind of crank type.
Background technology
In the electric power switchgear, what generally have all that big moment could drive compresses contact mechanism and resetting device, can guarantee the reliable energising and rapid outage of switchgear like this.Because it is all bigger to compress the action moment of contact mechanism and resetting device in the switchgear, so in these switchgears, all is provided with break-make switched the servomechanism of assisting, like this, the electric power personnel when carrying out make-break operation just easily how.At present, the most frequently used servomechanism is exactly by the moment conversion equipment of handle by the driven shaft rotating drive, at last by moment conversion equipment drive pressure close contact mechanism and resetting device in these switchgears.Carry out the actuating force input by handle, not only can increase input torque, and can carry out the moment input circularly, bring great convenience for the electric power operation personnel.At present, the handle on traditional servomechanism generally comprises crank, the sleeve of crank output for being sleeved on the screens of driven shaft input.In use, earlier sleeve set is arrived the driven shaft input, rotate crank then, can drive driven shaft by the moment of crank and rotate, operate very simple.But in use, crank is to rotate always, that is to say that rotation direction is to change always, rotates just not steadily like this, makes sleeve slippage from the driven shaft easily, just " take off " phenomenon.Because it is bigger to rotate the moment of crank, take off after crank very dangerous to electric power personnel itself, the situation that hit head very easily occurs or sprain one's wrist also can cause the arc discharge overlong time, the wheelbarrow switch dynamic/static contact of burning is unfavorable for the reliability service of switchgear.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of rational in infrastructure at above-mentioned deficiency, can prevent the anti-avulsion handle, and is safe, and the anti-tripping handle of easy to operate crank type.
For solving the problems of the technologies described above, the anti-tripping handle of this crank type comprises crank, the sleeve that the crank output is sleeved on for the driven shaft input screens with driven equipment, its design feature is: the coaxial groove ring that is provided with on the sleeve periphery, be installed with slideway on the shell of driven equipment and can slip into saddle in the groove ring, also comprise the spring that saddle elasticity can be compressed into the groove ring along slideway.
The anti-tripping handle of this crank type is to realize preventing the anti-avulsion handle by slideable elasticity position limiting structure, and is safe, and easy to operate.
Slideable elasticity position limiting structure comprises that mainly ring is located at the groove ring on the sleeve periphery and clamps the saddle that cooperates with the groove ring.The groove ring is an annulus, with the coaxial setting of sleeve periphery.Saddle is fixedly mounted on the driven equipment shell by slideway, and can be free to slide along slideway.Saddle also can be subjected to the elastic compression power of spring except the sliding support effect that is subjected to slideway, the direction of elastic compression power is towards the driven shaft input.When the input of the sleeve set of the anti-tripping handle of this crank type at driven shaft, saddle just can elasticity be pressed in the groove ring under the elastic force effect of spring.At this moment, saddle has just upwards constituted spacing relation with the groove ring at the groove annulate shaft, has just constituted spacing relation in the axial direction with sleeve, and sleeve just can not be in the axial direction from the slippage of driven shaft input like this, also just played the effect of anti-anti-avulsion handle, safety in utilization is higher.Because the groove ring is circular, so saddle can upwards not form position-limiting action in sleeve week, just can not form any resistance to the anti-tripping handle of this crank type, the smoothness when having guaranteed to rotate.
As improvement, coaxial package has bearing in the groove ring.
In the groove ring behind the bearing set, can be to bearing with the saddle elastic compression, saddle can circumferentially be slidingly matched by bearing and sleeve like this, still can upwards not form and hinder in week to sleeve, and can increase the size that saddle is pressed into the groove ring, guaranteed the axial limiting effect, more reliable during the rocking-turn handle.
As further improvement, described saddle comprises slide bar that slides along slideway and the slide plate that is installed in the slide bar end, and edge portion is arranged to clamp the circular arc that cooperates with the bearing periphery.
Saddle is arranged to slide bar and slide plate, can increases the sliding stroke and the sliding stability of slide plate, help the reliably spacing of saddle and sleeve by slide bar and cooperating of slideway.Edge portion is arranged to the circular arc that cooperates with the bearing periphery, can improves both frictional force with the area that cooperates of bearing, so just can bring into play the smooth and easy rotary action of bearing better, effectively avoid slide plate and bearing friction and noise by increasing slide plate.
As further improving again, be installed with on the saddle and promote the push-and-pull piece that saddle slides.
By promoting the push-and-pull piece, can drive saddle and slide along slideway, also just saddle can be hauled out the groove ring, more convenient to operate.
In sum, adopt the anti-tripping handle of crank type of this structure, rational in infrastructure, can prevent the anti-avulsion handle, safe, and easy to operate.
Description of drawings
In conjunction with the accompanying drawings the utility model is described in further detail:
Structural representation when Fig. 1 is pressed into the groove ring for slide plate of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Structural representation when Fig. 3 is not pressed into the groove ring for slide plate of the present utility model.
Among the figure: 1 is crank, and 2 is driven shaft, and 3 is sleeve, and 4 is the groove ring, and 5 is slideway, and 6 is saddle, and 7 is spring, and 8 is bearing, and 9 is slide bar, and 10 is slide plate, and 11 are the push-and-pull piece.
Embodiment
As shown in Figure 1, the anti-tripping handle of this crank type comprises crank 1, and crank 1 output is a sleeve 3, and sleeve 3 can be sleeved on the driven shaft 2 input screens of driven equipment.Sleeve 3 peripheries are provided with groove ring 4, and groove ring 4 is annulus, with the coaxial setting of sleeve 3 peripheries.Be installed with slideway 5 on the shell of driven equipment, slideway 5 is provided with saddle 6, and saddle 6 can radially slip in the groove ring 4 along slideway 5.Saddle 6 also can be subjected to the elastic compression power of spring 7 except the sliding support effect that is subjected to slideway 5, the direction of elastic compression power along sleeve radially towards driven shaft 2 inputs.When reality was made, spring 7 both can be sleeved on the saddle 6, also can be fixed on the driven equipment shell with an end, and the other end is connected the mode resiliency urged saddle 6 on the saddle 6.In the present embodiment, be installed with the push-and-pull piece 11 that promotes saddle 6 slips on the saddle 6.By promoting push-and-pull piece 11, can drive saddle 6 and slide along slideway 5, also just saddle 6 can be hauled out groove ring 4, more convenient to operate.
When the sleeve 3 of the anti-tripping handle of this crank type was sleeved on the input of driven shaft 2, saddle 6 just can elasticity be pressed in the groove ring 4 under the elastic force effect of spring 7.At this moment, saddle 6 has just constituted spacing relation with groove ring 4 at groove ring 4 on axially, has just constituted spacing relation in the axial direction with sleeve 3, and sleeve 3 just can not be in the axial direction from driven shaft 2 input slippages like this, also just played the effect of anti-anti-avulsion handle, safety in utilization is higher.Because groove ring 4 is circular, so saddle 6 can upwards not form position-limiting action in 3 weeks of sleeve, just can not form any resistance to the anti-tripping handle of this crank type, the smoothness when having guaranteed to rotate.
In the anti-tripping handle of this crank type, coaxial package has bearing 8 in the groove ring 4.Like this can be to bearing 8 with saddle 6 elastic compressions, this moment, saddle 6 meetings circumferentially be slidingly matched by bearing 8 and sleeve 3, still can upwards not form sleeve 3 in week and hinder, and can increase the size that saddle 6 is pressed into groove ring 4, guaranteed the axial limiting effect, more reliable during the rocking-turn handle.
In the present embodiment, saddle 6 comprises slide bar 9 that slides along slideway 5 and the slide plate 10 that is installed in slide bar 9 ends, and slide plate 10 limit portions are arranged to clamp the circular arc that cooperates with bearing 8 peripheries.Saddle 6 is arranged to slide bar 9 and slide plate 10, can increases the sliding stroke and the sliding stability of slide plate 10, help the reliably spacing of saddle 6 and sleeve 3 by slide bar 9 and cooperating of slideway 5.Slide plate 10 limit portions are arranged to the circular arc that cooperates with bearing 8 peripheries, can improve both frictional force with the area that cooperates of bearing 8 by increasing slide plate 10, so just can bring into play the smooth and easy rotary action of bearing 8 better, effectively avoid slide plate 10 and bearing 8 friction and noises.
When installing and using, slideway 5 and saddle 6 both can be installed in the device housings inboard, also can be installed in the device housings inboard; Spring 7 both can be pressed into saddle 6 in the groove ring 4 to compress mode, also can saddle 6 be drawn in the groove ring 4 with tension mode, and mode of operation is similar, no longer carefully states at this.
Claims (4)
1. anti-tripping handle of crank type, comprise crank (1), the sleeve (3) that crank (1) output is sleeved on for driven shaft (2) the input screens with driven equipment, it is characterized in that: the coaxial groove ring (4) that is provided with on sleeve (3) periphery, be installed with slideway (5) on the shell of driven equipment and can slip into the interior saddle (6) of groove ring (4), also comprise and saddle (6) elasticity can be compressed into the spring (7) of groove ring (4) along slideway (5).
2. the anti-tripping handle of crank type as claimed in claim 1 is characterized in that: the interior coaxial package of groove ring (4) has bearing (8).
3. the anti-tripping handle of crank type as claimed in claim 2, it is characterized in that: described saddle (6) comprises slide bar (9) that slides along slideway (5) and the slide plate (10) that is installed in slide bar (9) end, and slide plate (10) limit portion is arranged to clamp the circular arc that cooperates with bearing (8) periphery.
4. as the anti-tripping handle of the described crank type of the arbitrary claim of claim 1-3, it is characterized in that: be installed with on the saddle (6) and promote the push-and-pull piece (11) that saddle (6) slides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320108870 CN203103247U (en) | 2013-03-11 | 2013-03-11 | Crank type anti-tripping handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320108870 CN203103247U (en) | 2013-03-11 | 2013-03-11 | Crank type anti-tripping handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203103247U true CN203103247U (en) | 2013-07-31 |
Family
ID=48854632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320108870 Expired - Fee Related CN203103247U (en) | 2013-03-11 | 2013-03-11 | Crank type anti-tripping handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203103247U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161378A (en) * | 2015-09-03 | 2015-12-16 | 国网山东省电力公司潍坊供电公司 | Self-suction anti-release handle |
| CN107217553A (en) * | 2017-06-01 | 2017-09-29 | 芜湖中铁科吉富轨道有限公司 | One kind suspention tongue flat-nose pliers |
| CN109217154A (en) * | 2018-10-12 | 2019-01-15 | 国家电网有限公司 | A kind of high-voltage handcart switch transports and inspection trolley |
| CN109451987A (en) * | 2018-12-24 | 2019-03-12 | 马黛 | A kind of apple-picking is with holding scalable apple picking device |
-
2013
- 2013-03-11 CN CN 201320108870 patent/CN203103247U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161378A (en) * | 2015-09-03 | 2015-12-16 | 国网山东省电力公司潍坊供电公司 | Self-suction anti-release handle |
| CN107217553A (en) * | 2017-06-01 | 2017-09-29 | 芜湖中铁科吉富轨道有限公司 | One kind suspention tongue flat-nose pliers |
| CN109217154A (en) * | 2018-10-12 | 2019-01-15 | 国家电网有限公司 | A kind of high-voltage handcart switch transports and inspection trolley |
| CN109451987A (en) * | 2018-12-24 | 2019-03-12 | 马黛 | A kind of apple-picking is with holding scalable apple picking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Weifang City, Shandong Province Dongfeng 261021 West Street Weicheng District No. 425 electric power building Patentee after: Shandong Electric Power Corporation Weifang Power Supply Co., Ltd. Patentee after: State Grid Corporation of China Address before: 261021 No. 425 power building, Dongfeng West Street, Weicheng District, Shandong, Yantai Patentee before: Shandong Electric Power Corporation Weifang Power Supply Co., Ltd. Patentee before: State Grid Corporation of China |
|
| 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: 20130731 Termination date: 20160311 |