CN203412403U - Multi-shaft manhole cover lock unlocking device - Google Patents
Multi-shaft manhole cover lock unlocking device Download PDFInfo
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- CN203412403U CN203412403U CN201320408025.6U CN201320408025U CN203412403U CN 203412403 U CN203412403 U CN 203412403U CN 201320408025 U CN201320408025 U CN 201320408025U CN 203412403 U CN203412403 U CN 203412403U
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- shaft
- main shaft
- manhole cover
- bearing
- cover lock
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Abstract
The utility model discloses a multi-shaft manhole cover lock unlocking device. The multi-shaft manhole cover lock unlocking device comprises a handle, a main shaft, a shaft sleeve, a drive wheel, a support shaft, a bearing, an intermediate wheel, a driven wheel, a rotating disk, a spacing shaft sleeve, a flange bearing, a limit shaft sleeve, connecting rods and a telescopic shaft, wherein the main shaft is respectively connected with the handle and the shaft sleeve; the drive wheel is sleeved on the main shaft; the intermediate wheel forms external gear drive and internal gear drive; the driven wheel and the drive wheel are coaxial; the rotating disk and the outer circle of the flange bearing are in interference fit; the spacing shaft sleeve and the outer circle of the flange bearing are in interference fit; the other end of the main shaft is inserted into the limit shaft sleeve; the limit shaft sleeve is fixed on a shell of a lock body; a plurality of short pins are uniformly fixed on the certain circumference of the rotating disk; the short pins are connected with one ends of the connecting rods; the other ends of the connecting rods are fixedly connected with one end of the telescopic shaft. According to the multi-shaft manhole cover lock unlocking device, the problem of excessive labor consumption when the field manhole cover lock is unlocked is solved; a labor-saving device is particularly provided for the lock body with sealing requirements because of excessive labor consumption caused by frictional resistance of a sealing ring.
Description
Technical field
The utility model relates to a kind of multiaxis pattern manhole cover lock opening device, and relating in particular to can laborsaving unlatching multiaxis and have a device of the pattern manhole cover lock of seal request.
Background technology
Along with the development of modern city, increasing electric power has adopted underground utilities mode with the cable of communicating by letter.Convenient for maintenance and management, arranged numerous well lids.But well lid is robbed or burgled, illegally open phenomenon, happen occasionally, once lose or illegally open, or " well is eaten people " phenomenon occurs or have people's illegal invasion that equipment, cable are produced and destroyed.
Robbed or burgled in order to prevent well lid, on well lid, be provided with pattern manhole cover lock.Lock body the inside is often provided with the electrical installations of well lid status monitoring, and electrical installations is difficult to accomplish the degree of protection of IP68, so just requires lock body to possess the degree of protection of IP68.Lock pin mostly is double-shaft way, and the lock that has requirement to gain in strength is arranged to multiaxis (being generally three axles or four axles).Telescopic shaft is walked inside and outside lock body, in order to seal, is provided with multistage rubber seal.In order to improve antitheft coefficient, intensity and the sealing of lock, multiaxis and the sealing of many O type circle are set, cause the frictional resistance of telescopic shaft motion also large, the resistance that well lid is opened is just large.Be applied in scene, be also subject to the impact of low temperature, frictional resistance can be larger.
Utility model content
The utility model is exactly to open the large problem of resistance in order to solve the multiaxis pattern manhole cover lock of seal request, provide a kind of multiaxis pattern manhole cover lock opening device, by stage-geared, according to certain transmission reduction of speed recently, play the little moment of input, the effect of output high-torque.Concrete formula:
Gear ratio=driven pulley the number of teeth/driving wheel the number of teeth=output torque/input torque
According to this principle, by stage-geared, moment is increased to afterbody gear, afterbody gear drives telescopic shaft by connecting rod.By increasing gear ratio, export high-torque, overcome the frictional force of sealing ring, for unlatching, personnel are laborsaving, convenient operation.
For achieving the above object, the utility model adopts following technical scheme.
A pattern manhole cover lock opening device, comprises handle, main shaft, axle sleeve, driving wheel, back shaft, bearing, breast wheel, driven pulley, rotating disk, pressing plate, short pin, cottor pin, interval axle sleeve, flanged bearing, limit shaft sleeve, connecting rod, has strong market potential, telescopic shaft; Lock body shell is fixed on well lid, and axle sleeve is welded on lock body shell, and described main shaft one end is connected with handle, and the other end of main shaft is through axle sleeve, and driving wheel is enclosed within on main shaft; Breast wheel one side and driving wheel form external gear driving, opposite side and driven pulley and form internal gear transmission, the outer ring interference fit of breast wheel and bearing, and bearing is fixed on back shaft by pressing plate, and back shaft is fixed on lock body shell; Driven pulley is coaxial with driving wheel, is also assemblied on main shaft, and driven pulley is fixed on rotating disk, the outer ring interference fit of rotating disk and flanged bearing, interval axle sleeve also with the outer ring interference fit of flanged bearing, flanged bearing is fixed on main shaft; The other end of described main shaft inserts in limit shaft sleeve, and limit shaft sleeve is fixed on lock body shell; On certain circumference on rotating disk, be evenly fixed with several short pins, short pin is fixedly connected with one end of connecting rod by cottor pin respectively; The other end of connecting rod is fixedly connected with one end of telescopic shaft with cottor pin by having strong market potential, and the two ends perforate of connecting rod can be around having strong market potential, short pin rotates; The other end of telescopic shaft exposes lock body shell.
As further improvement of the utility model, described main shaft and axle sleeve seal by O type circle.
Described driving wheel is cylindrical external gear, and breast wheel is cylindrical external gear, and driven pulley is cylinder inner gear ', and the gear ratio of driving wheel and breast wheel, breast wheel and driven pulley is respectively 1,3, and the gear ratio of whole gear train is 3.
Described driving wheel is coaxial with driven pulley, and driven pulley, by driven by rotary disc connecting rod, pulls telescopic shaft motion.
Described telescopic shaft can have many (supporting short pin, connecting rod number match with it).
Described driving wheel and driven pulley are assemblied on main shaft, and driving wheel is connected by flat key with main shaft, and rotating speed is consistent; Driving wheel outside is also blocked with split washer.
Described driven pulley is fixed on main shaft by radial ball bearing, has both guaranteed coaxial with driving wheel, again not along with the synchronized rotation of main shaft.
Described breast wheel meshes with driving wheel, driven pulley respectively, by bearing, is fixed on back shaft, reduces as much as possible pivoting friction resistance.
Described driven pulley is connected with rotating disk by screw, by connecting rod, drives telescopic shaft to move.
Described rotating disk and flanged bearing outer ring interference fit, for preventing getting loose in rotation process, opposite side clamps and fixes with spacing shaft cover.
Described flanged bearing is fixed on main shaft by bearing cover, spring washer and nut.
Described connecting rod two ends are connected with cottor pin by short pin respectively, can guarantee intermittent motion, can guarantee to deviate from again.
Described telescopic shaft exposes lock body shell through seal shaft device, and described seal shaft device is an axle sleeve axial and that radially all seal.
The utility model provides a kind of device of pattern manhole cover lock labor-saving opening, and by gear graduation, carry-over moment, uses the principle of gear ratio and the proportional variation of moment, plays the effect of labor-saving opening.Working method is: turning handle, and drive main shaft to rotate, main shaft drives driving wheel by flat key, and driving wheel rotates, drive breast wheel rotates, and breast wheel drives internal gear driven pulley, and the gearratio of gear train is greater than 1, rotating disk and then rotates, and the short pin by above pulls connecting rod, and connecting rod pulls telescopic shaft.The flexible effect of having played locking and having opened well lid of telescopic shaft like this.If gear train gearratio is 2, moment will be saved to 2 times, and by that analogy, if gear train gearratio is n, moment will be saved to n times.
The beneficial effects of the utility model are that utilization gear reduction labour-saving principle, is applied to, in the unlatching of well lid, overcome the frictional resistance of sealing ring, can accomplish the sealing effectiveness of lock body, is easy to again the effect of opening.
Accompanying drawing explanation
In Fig. 1, (a) being the utility model gear train top view, is (b) the utility model gear train elevation;
Fig. 2 is partial sectional view of the present utility model;
Fig. 3 is whole sectional view of the present utility model;
In figure: 1. handle, 2. main shaft, 3. axle sleeve, 4.O type circle, 5. flat key, 6. driving wheel, 7. back shaft, 8. the first screw, 9. bearing, 10. breast wheel, 11. driven pulleys, 12. second screws, 13. rotating disks, 14. pressing plates, 15. short pins, 16. first cottor pins, 17.L type interval axle sleeve, 18. split washers, 19. flanged bearings, 20. bearing covers, 21. limit shaft sleeves, 22. nuts, 23. spring washers, 24. connecting rods, 25. lock body shells, 26. well lids, 27. second cottor pins, 28. have strong market potential, 29. seal shaft devices, 30. telescopic shafts.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further.
Assembling mode: lock body shell 25 is fixed on well lid 26, axle sleeve 3 is welded on lock body shell 25, and main shaft 2 passes from axle sleeve 3, inner with 4 sealings of O type circle.
Working method: turning handle 1, drive main shaft 2, main shaft 2 drives the synchronized rotation of driving wheel 6, driving wheel 6 can drive the breast wheel 10 with its engagement, breast wheel 10 drives again driven pulley 11, and driven pulley 11 drives rotating disk 13, and rotating disk 13 is by short pin 15 drivening rods 24, connecting rod 24 other ends 28 pull telescopic shaft 30 by having strong market potential, and flexible realization of telescopic shaft 30 locked and the effect of unblanking.
As long as because can meet the move distance of telescopic shaft 30, effective rotational angle of rotating disk 13 does not need very large, so driven pulley 11 can be processed into a part of external gear, but modulus will equate with other gear.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of the present utility model is described; but the not restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (9)
1. a multiaxis pattern manhole cover lock opening device, it is characterized in that, comprise handle, main shaft, axle sleeve, driving wheel, back shaft, bearing, breast wheel, driven pulley, rotating disk, pressing plate, short pin, cottor pin, interval axle sleeve, flanged bearing, limit shaft sleeve, connecting rod, have strong market potential, telescopic shaft; Lock body shell is fixed on well lid, and axle sleeve is welded on lock body shell, and described main shaft one end is connected with handle, and the other end of main shaft is through axle sleeve, and driving wheel is enclosed within on main shaft; Breast wheel one side and driving wheel form external gear driving, opposite side and driven pulley and form internal gear transmission, the outer ring interference fit of breast wheel and bearing, and bearing is fixed on back shaft by pressing plate, and back shaft is fixed on lock body shell; Driven pulley is coaxial with driving wheel, is also assemblied on main shaft, and driven pulley is fixed on rotating disk, the outer ring interference fit of rotating disk and flanged bearing, interval axle sleeve also with the outer ring interference fit of flanged bearing, flanged bearing is fixed on main shaft; The other end of described main shaft inserts in limit shaft sleeve, and limit shaft sleeve is fixed on lock body shell; On certain circumference on rotating disk, be evenly fixed with several short pins, short pin is fixedly connected with one end of connecting rod by cottor pin respectively; The other end of connecting rod is fixedly connected with one end of telescopic shaft with cottor pin by having strong market potential, and the two ends perforate of connecting rod can be around having strong market potential, short pin rotates; The other end of telescopic shaft exposes lock body shell.
2. multiaxis pattern manhole cover lock opening device as claimed in claim 1, is characterized in that, described main shaft and axle sleeve seal by O type circle.
3. multiaxis pattern manhole cover lock opening device as claimed in claim 1, is characterized in that, described driving wheel is cylindrical external gear, and breast wheel is cylindrical external gear, and driven pulley is cylinder inner gear ', and the gear ratio of driving wheel and breast wheel, breast wheel and driven pulley is respectively 1,3.
4. multiaxis pattern manhole cover lock opening device as claimed in claim 1, is characterized in that, described telescopic shaft has some.
5. multiaxis pattern manhole cover lock opening device as claimed in claim 1, is characterized in that, described driving wheel is connected by flat key with main shaft, and driving wheel outside is also blocked with split washer.
6. multiaxis pattern manhole cover lock opening device as claimed in claim 1, is characterized in that, described driven pulley is fixed on main shaft by radial ball bearing.
7. multiaxis pattern manhole cover lock opening device as claimed in claim 1, is characterized in that, described rotating disk and flanged bearing outer ring interference fit, and step up and fix with interval axle sleeve.
8. multiaxis pattern manhole cover lock opening device as claimed in claim 1, is characterized in that, described flanged bearing is fixed on main shaft by bearing cover, spring washer and nut.
9. multiaxis pattern manhole cover lock opening device as claimed in claim 1, is characterized in that, described telescopic shaft exposes lock body shell through seal shaft device, and described seal shaft device is an axle sleeve axial and that radially all seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320408025.6U CN203412403U (en) | 2013-07-10 | 2013-07-10 | Multi-shaft manhole cover lock unlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320408025.6U CN203412403U (en) | 2013-07-10 | 2013-07-10 | Multi-shaft manhole cover lock unlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203412403U true CN203412403U (en) | 2014-01-29 |
Family
ID=49975298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320408025.6U Expired - Lifetime CN203412403U (en) | 2013-07-10 | 2013-07-10 | Multi-shaft manhole cover lock unlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203412403U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334648A (en) * | 2013-07-10 | 2013-10-02 | 山东康威通信技术股份有限公司 | Multi-shaft well cover lock opening device |
| CN104215450A (en) * | 2014-08-13 | 2014-12-17 | 天津鼎成高新技术产业有限公司 | Test device of linkage of main drive shaft and auxiliary drive shaft |
| CN105275276A (en) * | 2015-11-23 | 2016-01-27 | 周听昌 | Opening device for inner side of hole lid of escape hole |
-
2013
- 2013-07-10 CN CN201320408025.6U patent/CN203412403U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334648A (en) * | 2013-07-10 | 2013-10-02 | 山东康威通信技术股份有限公司 | Multi-shaft well cover lock opening device |
| CN103334648B (en) * | 2013-07-10 | 2016-01-27 | 山东康威通信技术股份有限公司 | A kind of multiaxis pattern manhole cover lock opening device |
| CN104215450A (en) * | 2014-08-13 | 2014-12-17 | 天津鼎成高新技术产业有限公司 | Test device of linkage of main drive shaft and auxiliary drive shaft |
| CN104215450B (en) * | 2014-08-13 | 2016-09-21 | 天津鼎成高新技术产业有限公司 | The assay device that final drive shaft links with auxiliary power transmission shaft |
| CN105275276A (en) * | 2015-11-23 | 2016-01-27 | 周听昌 | Opening device for inner side of hole lid of escape hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 250101 A203, block F, entrepreneurship square, Qilu Software Park, No.1 Shunhua Road, high tech Development Zone, Jinan City, Shandong Province Patentee after: Conway Communication Technology Co.,Ltd. Address before: 250101 Qilu Software Park, No. 1 Shunhua Road, Jinan High-tech Development Zone, Shandong Province, A 203 Patentee before: SHANDONG KANGWEI COMMUNICATION TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |