CN206172854U - Cam antiskid device that falls - Google Patents
Cam antiskid device that falls Download PDFInfo
- Publication number
- CN206172854U CN206172854U CN201621119602.XU CN201621119602U CN206172854U CN 206172854 U CN206172854 U CN 206172854U CN 201621119602 U CN201621119602 U CN 201621119602U CN 206172854 U CN206172854 U CN 206172854U
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- CN
- China
- Prior art keywords
- cam
- rotating shaft
- spring
- connecting rod
- pivot
- 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 cam antiskid device that falls, include stabilizer blade, pivot, cam mechanism and pass on, the stabilizer blade on be equipped with pivot and fixed station, and pivot and stabilizer blade rotate and be connected, the pivot on be equipped with the wiring gyro wheel, and wiring gyro wheel and the design of as an organic wholeization of pivot, its characterized in that: be equipped with cam mechanism in the pivot, cam mechanism include first cam, second cam and third cam, be connected with spring and presser bar mechanism on the three cam. The utility model has the advantages that: the cam mechanism who establishes does not influence when the pivot is fetched water, can carry on spacingly when the pivot is turnd back, and cam accessible depression bar is adjusted, prevents to hang the cask landing, prevents to skid, fetches water and more can put forth effort, reduces the risk of fetching water, design benefit, low cost.
Description
Technical field
This utility model is related to well water lift anti-slip device, more particularly to a kind of cam anti-slip device.
Background technology
Many places still maintain the custom of well drinking water, and general well is fetched water using the method that well-bucket is fetched water, this
The device that kind well-bucket is fetched water can help fetching water for people's more Quick labor-saving, but due to wooden handle during often occurring fetching water
It is pushing it is long cause rubber sleeve or other situations to cause to hang bucket and come off using becoming smooth, the personnel of fetching water may be damaged,
When having beaten water and not using, the support without manpower, bucket can fall under gravity, when bucket is placed on well side ground,
Well water can be polluted for a long time, and rotating shaft can cause the space between rotating shaft and bracing frame to become big using permanent due to abrasion,
Easily change up and down, be unfavorable for fetching water.
Utility model content
The technical problems to be solved in the utility model is：In order to solve problem present in above-mentioned background technology, there is provided one
Plant cam anti-slip device.
This utility model provides following technical scheme：A kind of cam anti-slip device, including leg, rotating shaft, cam mechanism
With change hands, it is characterised in that：Described leg is provided with rotating shaft and fixed station, and rotating shaft is provided with wiring roller and cam mechanism,
Described cam mechanism includes the first cam, the second cam and the 3rd cam；Described fixed station is with regard to wiring roller center pair
Claim to arrange, and fix on two fixed stations and leg equipped with cam boss and spring strut, first, second described cam leads to
Cross cam boss to be flexibly connected with fixed station, the 3rd cam is flexibly connected by cam boss with leg, and first, second,
Three cams are connected with spring by spring connecting rod, and described spring is fixedly connected with spring strut, and described first,
2nd, one end that the 3rd cam is projected contacts with rotating shaft side；Described rotating shaft wherein end is connected with to be changed hands, described
One end that first, second cam is projected is connected by cam connecting rod, and is connected near the cam connecting rod end changed hands
The pressure lever mechanism of three cams of control.
Preferably, described pressure lever mechanism includes depression bar and drive link, and described depression bar is connected by movable part with cam
Bar is connected, and described drive link one end is connected by movable part with the 3rd cam activation, the drive link other end and depression bar pin connection,
Described depression bar is located on the support on fixed station, and depression bar is flexibly connected with support.
Preferably, the 3rd described cam distance of center circle is bigger than the first cam and the second cam, and the first cam and second convex
Wheel and spring connecting rod connecting place are located at the top of one end cam boss connecting hole that two cams are relatively large in diameter, the 3rd cam with
Spring connecting rod connecting place is located at the end that the 3rd cam of deflection is projected in the middle of the 3rd cam.
Preferably, the first described cam, the second cam and the 3rd cam are rubber cam, and described rotating shaft and wiring is rolled
Wheel surface is equipped with rubber sleeve, and rope is housed on wiring roller, and bucket is housed on described rope.
Preferably, each described cam boss center is respectively smaller than each cam length and turns to the distance of spindle central
Axle radius sum, more than shaft radius.
Preferably, it is described to change hands equipped with Anti-slip cover, Anti-slip cover is housed on described depression bar.
The beneficial effects of the utility model are：A kind of cam anti-slip device is provided, three cams, three cams are provided with
Spring is respectively connected with, three cams can not affect when rotation is fetched water in rotating shaft, can produce with cam when reversion is wanted in rotating shaft
Extruding, limits the reversion of rotating shaft, and cam and shaft contacts face are made by rubber, are rotated forward and are not interfered with, and increases during reversion
Big extrusion friction power, when so fetching water or not the used time prevent that rope from sliding and bucket falls, reduction is fetched water risk, and cam can lead to
Depression bar regulation is crossed, bucket is put down during convenient use, cam still can be tight with rotating shaft when spring can also ensure that rubber has abrasion
Contiguity is touched, and can play certain fixation by countershaft when rotating shaft is worn and torn, and prevents rotating shaft from changing up and down, is changed hands and is provided with anti-skidding
Set, prevents rubber sleeve, fetches water and more can put forth effort, and designs ingenious, with low cost, economical and practical.
Description of the drawings
Fig. 1 is this utility model structural representation；
Fig. 2 is this utility model backsight structural representation；
Fig. 3 is this utility model cam mechanism structural representation；
Fig. 4 is the pressure lever mechanism schematic diagram that this utility model controls cam；
Fig. 5 is the cam structure schematic diagram of this utility model first, second；
Fig. 6 is the cam structure schematic diagram of this utility model the 3rd；
1- legs, 11- cam boss, 2- rotating shafts, 3- wiring rollers, 4- is changed hands, 5- cam mechanisms, the cams of 51- first,
The cams of 52- second, the cams of 53- the 3rd, 54- spring connecting rods, 55- cam connecting rods, 56- depression bars, 57- drive links, 58- is anti-skidding
Set, 59- movable parts, 6- ropes, 7- buckets, 8- fixed stations, 81- supports, 9- spring struts, 91- springs.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe.
Refer to accompanying drawing, a kind of cam anti-slip device, including leg 1, rotating shaft 2, cam mechanism 5 and 4 are changed hands, its feature
It is：Described leg 1 is provided with rotating shaft 2 and fixed station 8, and rotating shaft 2 is provided with wiring roller 3 and cam mechanism 5, and described is convex
Wheel mechanism 5 includes the first cam 51, the second cam 52 and the 3rd cam 53；Described fixed station 8 is with regard to the center pair of wiring roller 3
Claim to arrange, and it is fixed equipped with cam boss 11 and spring strut 9 on two fixed stations 8 and leg 1, described first, second
Cam（51、52）It is flexibly connected with fixed station 8 by cam boss 11, the 3rd cam 53 is lived by cam boss 11 with leg 1
Dynamic connection, and first, second, third cam（51、52、53）Spring 91, described bullet are connected with by spring connecting rod 54
Spring 91 is fixedly connected with spring strut 9, first, second, third described cam（51、52、53）Prominent one end with rotating shaft 2
Side contacts；The described wherein end of rotating shaft 2 is connected with changes hands 4, first, second described cam（51、52）Prominent
One end is connected by cam connecting rod 55, and is connected with three cams of control near the end of cam connecting rod 55 for changing hands 4
（51、52、53）Pressure lever mechanism.
Refer to the attached drawing 3,4, further, described pressure lever mechanism includes depression bar 56 and drive link 57, described depression bar 56
It is connected with cam connecting rod 55 by movable part 59, the one end of the drive link 57 is movable with the 3rd cam 53 by movable part 91
Connection, the other end of drive link 57 and the pin connection of depression bar 56, described depression bar 56 is located on the support 81 on fixed station 8, and depression bar
56 are flexibly connected with support 81.Three cams can be regulated and controled by pressure lever mechanism, it is convenient and swift.
Refer to the attached drawing 5,6, further, the distance of center circle of the 3rd cam 53 is bigger than the first cam 51 and the second cam 52, and the
One cam 51 and the second cam 52 are located at two cams with the connecting place of spring connecting rod 54（51、52）It is relatively large in diameter the cam of one end
The top of the junction of pillar 11, it is convex that the 3rd cam 53 is located at deflection the 3rd in the middle of the 3rd cam 53 with the connecting place of spring connecting rod 54
The end that wheel 53 is projected.Three cams can so be given（51、52、53）Enough support forces, and this power do not interfere with turn
Axle 2 is rotated forward, and rotating shaft 2 can preferably allow cam to limit rotating shaft 2 when inverting.
Further, the first described cam 51, the second cam 52 and the 3rd cam 53 are rubber cam, described rotating shaft
2 and the surface of wiring roller 3 be equipped with rubber sleeve, on wiring roller 3 be equipped with rope 6, on described rope 6 be equipped with bucket 7.
Further, to be respectively smaller than each to the distance at the center of rotating shaft 2 convex for each described center vertical of cam boss 11
Wheel length and the radius sum of rotating shaft 2, more than the radius of rotating shaft 2.Three cams（51、52、53）Front end and the contacts side surfaces of rotating shaft 2.
Further, it is described to change hands equipped with Anti-slip cover 58 on 2, Anti-slip cover 58 is housed on described depression bar.
When fetching water, first, second cam (51,52) is connected by cam connecting rod 55, and the 3rd cam 53 is by 91, spring
Support and be connected with depression bar 56 by drive link 57, lower moulded rod 56, depression bar 56 drives drive link 57, convex by first, second, third
Wheel（51、52、53）It is pulled upwardly, rotating shaft 2 is unrestricted, rotates backward and changes hands 4, bucket 7 is put in well and is fetched water, bucket
7 fill after water, rotate forward and change hands 4, here, first, second, third cam（51、52、53）Prominent one end and the phase of rotating shaft 2
Contact, but three cams（51、52、53）The one end being relatively large in diameter does not contact with rotating shaft 2, and rotating shaft 2 is positive during lifting bucket 7 turns
It is dynamic, three cams（51、52、53）Only jag top end is contacted with rotating shaft 2, and cam（51、52、53）Using rubber system
Into spring 91 adopts light spring, to cam（51、52、53）The pressure of generation is less so that cam（51、52、53）With rotating shaft
Frictional force between 2 is less, so without impact, when reversion is thought in rotating shaft during lifting 2, three cams（51、52、53）Understand and turn
Axle 2 is mutually extruded, and cam（51、52、53）Made using rubber with the contact surface of rotating shaft 2, plus overhead cam（51、52、53）Reversion makes
The deformation of spring 91, is cam increase extrusion friction power, prevents rotating shaft 2 from inverting, to prevent bucket 7 from sliding, using bucket 7
After interior water, in cam（51、52、53）In the presence of, bucket 7 can be suspended on the lower section of rotating shaft 2 and be not fall off, and next time uses
When, descend moulded rod 56 to put down bucket 7 again and fetch water.
Cam when in addition spring 91 can ensure that rubber has abrasion（51、52、53）Still can be in close contact with rotating shaft 2, and
This utility model is provided with changes hands 4, changes hands 4 and is provided with Anti-slip cover, prevents from skidding, and this utility model adopts wooden or rubber system mostly
Into, it is with low cost, it is economical and practical.
The beneficial effects of the utility model are：A kind of cam anti-slip device is provided, three cams, three cams are provided with
Spring is respectively connected with, three cams can not affect when rotation is fetched water in rotating shaft, can produce with cam when reversion is wanted in rotating shaft
Extruding, limits the reversion of rotating shaft, and cam and shaft contacts face are made by rubber, are rotated forward and are not interfered with, and increases during reversion
Big extrusion friction power, when so fetching water or not the used time prevent that rope from sliding and bucket falls, reduction is fetched water risk, and cam can lead to
Depression bar regulation is crossed, bucket is put down during convenient use, cam still can be tight with rotating shaft when spring can also ensure that rubber has abrasion
Contiguity is touched, and can play certain fixation by countershaft when rotating shaft is worn and torn, and prevents rotating shaft from changing up and down, is changed hands and is provided with anti-skidding
Set, prevents rubber sleeve, fetches water and more can put forth effort, and designs ingenious, with low cost, economical and practical.
Obviously, these are only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model know-why, some improvements and modifications can also be made, these change
Enter and retouch also to should be regarded as protection domain of the present utility model.
Claims (6)
1. a kind of cam anti-slip device, including leg, rotating shaft, cam mechanism and change hands, it is characterised in that：On described leg
Be provided with rotating shaft and fixed station, rotating shaft is provided with wiring roller and cam mechanism, described cam mechanism include the first cam, second
Cam and the 3rd cam；Described fixed station is arranged with regard to wiring roller centrosymmetry, and solid on two fixed stations and leg
Surely equipped with cam boss and spring strut, first, second described cam is flexibly connected by cam boss with fixed station, and the 3rd
Cam is flexibly connected by cam boss with leg, and first, second, third cam is connected with bullet by spring connecting rod
Spring, the described spring other end is fixedly connected with spring strut, one end that described first, second, third cam is projected with
Rotating shaft side contacts；Described rotating shaft wherein end is connected with to be changed hands, and one end that first, second described cam is projected leads to
The connection of cam connecting rod is crossed, and the pressure lever mechanism of three cams of control is connected near the cam connecting rod end changed hands.
2. a kind of cam anti-slip device according to claim 1, it is characterised in that：Described pressure lever mechanism includes pressure
Bar and drive link, described depression bar is connected by movable part with cam connecting rod, described drive link one end by movable part with
The connection of 3rd cam activation, the drive link other end and depression bar pin connection, described depression bar is located on the support on fixed station, and is pressed
Bar is flexibly connected with support.
3. a kind of cam anti-slip device according to claim 1, it is characterised in that：The 3rd described cam distance of center circle ratio
First cam and the second cam are big, and the first cam and the second cam and spring connecting rod connecting place be located at two cam diameters compared with
The top of big one end cam boss connecting hole, the 3rd cam and spring connecting rod connecting place are located in the middle of the 3rd cam deflection the
The end that three cams are projected.
4. a kind of cam anti-slip device according to claim 1, it is characterised in that：Each described cam boss center
Distance to spindle central is respectively smaller than each cam length and shaft radius sum, more than shaft radius.
5. a kind of cam anti-slip device according to claim 1, it is characterised in that：It is described the first cam, second convex
Wheel and the 3rd cam are rubber cam, and described rotating shaft and wiring roller surface is equipped with rubber sleeve, equipped with lifting on wiring roller
Rope, is equipped with bucket on described rope.
6. a kind of cam anti-slip device according to claim 1, it is characterised in that：Described changes hands equipped with anti-skidding
Set, is equipped with Anti-slip cover on described depression bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621119602.XU CN206172854U (en) | 2016-10-14 | 2016-10-14 | Cam antiskid device that falls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621119602.XU CN206172854U (en) | 2016-10-14 | 2016-10-14 | Cam antiskid device that falls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206172854U true CN206172854U (en) | 2017-05-17 |
Family
ID=58678621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621119602.XU Expired - Fee Related CN206172854U (en) | 2016-10-14 | 2016-10-14 | Cam antiskid device that falls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206172854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110950260A (en) * | 2018-07-18 | 2020-04-03 | 陈元珠 | Water fetching device and water fetching method without leakage |
-
2016
- 2016-10-14 CN CN201621119602.XU patent/CN206172854U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110950260A (en) * | 2018-07-18 | 2020-04-03 | 陈元珠 | Water fetching device and water fetching method without leakage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20171014 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |