CN101463686B - Locking device used for escape manhole in tunnel - Google Patents
Locking device used for escape manhole in tunnel Download PDFInfo
- Publication number
- CN101463686B CN101463686B CN 200810205297 CN200810205297A CN101463686B CN 101463686 B CN101463686 B CN 101463686B CN 200810205297 CN200810205297 CN 200810205297 CN 200810205297 A CN200810205297 A CN 200810205297A CN 101463686 B CN101463686 B CN 101463686B
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- axle sleeve
- handle
- locking device
- engagement
- 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.)
- Active
Links
Images
Abstract
The invention relates to a locking device, in particular to the locking device used for an escape well lid in a tunnel, comprising a drive handle, a bolt and a gearing; wherein, the drive handle drives the bolt to move forwards and backwards by the gearing; the gearing is a rack and pinion gearing, comprises gears, racks, a rotating shaft and a drive rod; wherein, the drive handle drives the gears to rotate by the rotating shaft; the gears are meshed with the racks; the racks are connected with the drive rod by pins and parallelly move; the bolt is fixedly connected with the end part of the drive rod. The device has the advantages of simple structure, single-location operation, two-point lockup, improves steadiness of the well lid, is flexible and convenient in use with small force and has the capability of self-locking and tripping preventing; the device can be used not only for lockup of the well lid for escape in the tunnel, but also for overhauling the lockup of the well lid for passage.
Description
Technical field
The present invention relates to the locking device class, be specifically related to a kind of locking device that is used for escape manhole in tunnel.
Background technology
The locking device design of existing well lid mostly is maintenance and antitheft use, and structure mostly is bolt and pick-proof fastener, generally needs to use special tool(s) to open, and the unlatching of especially large-scale well lid takes longer, and step is more loaded down with trivial details.And often only consider unidirectional unlatching, be not suitable in two-way escape operating mode, using.
Summary of the invention
The objective of the invention is according to above-mentioned the deficiencies in the prior art part, be provided for the locking device of escape manhole in tunnel, this locking device has adopted two driving handles, can be respectively at the two ends of driving shaft driven wheel tooth bar transmission device, make this locking device all can open from upper and lower (track layer and passway for escaping), itself all has anti-jump measure well lid and lockset, prevents that well lid is subjected to wheel load that the generation of spring or unexpected unlatching situation takes place.
The object of the invention realizes being finished by following technical scheme:
A kind of locking device that is used for escape manhole in tunnel, comprise driving handle, dead bolt and transmission device, driving handle moves by actuator drives dead bolt advance and retreat, it is characterized in that described transmission device is a rack and pinion drive, this transmission device comprises gear, tooth bar, rotating shaft and drive rod, and wherein driving handle rotates by the rotating shaft driven gear, the wheel and rack engagement, tooth bar adopts pin to be connected with drive rod, transmits translation, and dead bolt is fixedly connected on the drive rod end.
Described driving handle comprises upper handle and lower handle, and described upper handle and lower handle are fixedly connected on the two ends of rotating shaft respectively.
Being provided with axle sleeve between described rotating shaft and the gear, is matched in clearance between described axle sleeve and the rotating shaft, cooperates fixing between axle sleeve and the gear center hole by key.
Be positioned at an end and the close driving handle place of described rotating shaft, fixedly install down engagement lobe, this time engagement lobe is fixedlyed connected with described rotating shaft, can be fixed in the axle sleeve outside with the last engagement lobe of following engagement lobe engagement fit, and with axle sleeve between cooperate fixedly connectedly by key, described upper and lower engagement lobe overlaps with the position of center line of rotating shaft.
Advantage of the present invention is that simple in structure, operate at single place, two point locks, and has increased the steadiness of well lid, uses flexible, convenient, firmly little, have self-locking, anti-jump ability, not only can be used for well lid locking in escaping exit place in the tunnel, also can be used for overhauling the well lid locking at current mouthful of place simultaneously.
Description of drawings
Accompanying drawing 1 is an embodiment of the invention structural representation;
Accompanying drawing 2 is the vertical view of accompanying drawing 1;
Accompanying drawing 3 is an embodiment of the invention A-A sectional view (off working state);
Accompanying drawing 4 is an embodiment of the invention A-A sectional view (duty);
Accompanying drawing 5 is an embodiment of the invention B-B sectional view.
The specific embodiment
Feature of the present invention and other correlated characteristics are described in further detail by embodiment below in conjunction with accompanying drawing, so that technician's of the same trade understanding:
Shown in Fig. 1-5, always representing respectively in the accompanying drawing: upper handle 1, tooth bar 2, key 3, last engagement lobe 4, lower handle 5, following engagement lobe 6, gear 7, rotating shaft 8, axle sleeve 9, drive rod 10, dead bolt 11, well lid 12, key 13, handle grooves 14, underframe 15 with reference to label 1-15.
A kind of locking device that is used for escape manhole in tunnel that present embodiment relates to, comprise upper handle 1, lower handle 5, dead bolt 11 and rack and pinion drive, upper handle 1, lower handle 5 can drive dead bolt 1 by rack and pinion drive respectively and move to underframe 15 both sides advance and retreat, rack and pinion drive comprises gear 7, tooth bar 2, rotating shaft 8 and drive rod 10, the two ends that upper handle 1 and lower handle 5 are fixedly connected on rotating shaft 8 respectively are connected and fixed cooperation by key, wherein upper handle 1 or lower handle 5 are rotated by rotating shaft 8 driven gears 7, gear 7 and tooth bar 2 engagement fit, tooth bar 2 adopts pin to be connected with drive rod 10, and dead bolt 11 is fixedly connected on drive rod 10 ends.
Being provided with axle sleeve 9 between rotating shaft 8 and the gear 7, is matched in clearance between axle sleeve 9 and the rotating shaft 8, cooperates fixing between axle sleeve 9 and gear 7 centre bores by key 3.
Be positioned at an end and close lower handle 5 places of rotating shaft 8, fixedly install down engagement lobe 6, following engagement lobe 6 adopts key to fixedly connected with rotating shaft 8, following engagement lobe 6 and last engagement lobe 4 can engagement fit, and the two is a central axis with rotating shaft 8, cooperates fixedly connected by key 13 between the centre bore of last engagement lobe 4 and the axle sleeve 8.
The basic connected mode of lockset transmission is that rotating shaft adopts key to be connected with lower handle, and following engagement lobe is connected with key with rotating shaft again, axle sleeve and gear, and axle sleeve adopts key to be connected with last engagement lobe.
Present embodiment is operated as follows when concrete the use:
Locking device is opened:
When needs when open well lid 12 tops, upper handle 1 is mentioned to top (can't again on carry till), make engagement lobe 4 and 6 engagements of following engagement lobe, rotate counterclockwise upper handle 1 and can drive axle sleeve 9 this moment, and, passing through the transmission of gear 7 and tooth bar 2 again with gear 7 rotations that axle sleeve 9 adopts key 3 to connect, mobile drive rod 10 drives dead bolt 11, dead bolt 11 shifts out below underframe 15 is taken a seat face, thereby opens locking.
When needs when open well lid 12 belows, with top on the lower handle 5, make engagement lobe 4 and 6 engagements of following engagement lobe, rotate counterclockwise lower handle 5 and can drive axle sleeve 9 this moment, and, passing through the transmission of gear 7 and tooth bar 2 again with gear 7 rotations that axle sleeve 9 adopts key 3 to connect, mobile drive rod 10 drives dead bolt 11, dead bolt 11 shifts out below underframe 15 is taken a seat face, thereby opens locking.
Locking device locking:
When needs are locked well lid 12 from well lid 12 tops, upper handle 1 is mentioned to top (can't again on carry till), make engagement lobe 4 and 6 engagements of following engagement lobe, clockwise rotate upper handle 1 and can drive axle sleeve 9 this moment, and the gear 7 that adopts key 3 to connect with axle sleeve 9 rotates, again by the transmission of gear 7 with tooth bar 2, mobile drive rod 10 drives dead bolt 11, dead bolt 11 moves into below underframe 15 is taken a seat face, thereby locking well lid 12, at this moment upper handle 1 is unclamped, make in its handle grooves 14 that falls into well lid 12 tops.
When needs are locked well lid 12 from well lid 12 belows, with top on the lower handle 5, make engagement lobe 4 and 6 engagements of following engagement lobe, clockwise rotate lower handle 5 and can drive axle sleeve 9 this moment, and the gear 7 that adopts key 3 to connect with axle sleeve 9 rotates, again by the transmission of gear 7 with tooth bar 2, mobile drive rod 10 drives dead bolt 11, and dead bolt 11 moves into below underframe 15 is taken a seat face, thus locking well lid 12, at this moment lower handle 5 is unclamped, it is fallen naturally.
Frictional damping between axle sleeve 9 and the rotating shaft 8 can prevent the accident spring of upper handle 1.
Claims (3)
1. locking device that is used for escape manhole in tunnel, comprise driving handle, dead bolt and transmission device, driving handle moves by actuator drives dead bolt advance and retreat, it is characterized in that described transmission device is a rack and pinion drive, this transmission device comprises gear, tooth bar, rotating shaft and drive rod, wherein driving handle rotates by the rotating shaft driven gear, the wheel and rack engagement, tooth bar adopts pin to be connected with drive rod, transmit translation, dead bolt is fixedly connected on the drive rod end, and described driving handle comprises upper handle and lower handle, and described upper handle and lower handle are fixedly connected on the two ends of rotating shaft respectively.
2. a kind of locking device that is used for escape manhole in tunnel according to claim 1, it is characterized in that being provided with axle sleeve between described rotating shaft and the gear, adopt matched in clearance between described axle sleeve and the rotating shaft, cooperate fixing between axle sleeve and the gear center hole by key.
3. a kind of locking device that is used for escape manhole in tunnel according to claim 2, it is characterized in that being positioned at an end and the close driving handle place of described rotating shaft, fixedly install down engagement lobe, this time engagement lobe is fixedlyed connected with described rotating shaft, can be fixed in the axle sleeve outside with the last engagement lobe of following engagement lobe engagement fit, and with axle sleeve between cooperate fixedly connectedly by key, described upper and lower engagement lobe overlaps with the position of center line of rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810205297 CN101463686B (en) | 2008-12-31 | 2008-12-31 | Locking device used for escape manhole in tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810205297 CN101463686B (en) | 2008-12-31 | 2008-12-31 | Locking device used for escape manhole in tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101463686A CN101463686A (en) | 2009-06-24 |
| CN101463686B true CN101463686B (en) | 2010-06-23 |
Family
ID=40804455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810205297 Active CN101463686B (en) | 2008-12-31 | 2008-12-31 | Locking device used for escape manhole in tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101463686B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067586B (en) * | 2019-03-27 | 2021-09-21 | 山东科技大学 | Locking device for explosion-proof cover of mining vertical air shaft |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2175787Y (en) * | 1993-12-05 | 1994-08-31 | 济宁供水集团总公司工程安装公司 | Anti-theft cover for manhole |
| CN2506697Y (en) * | 2001-06-12 | 2002-08-21 | 李建新 | Double-safety manhole cover and opener thereof |
| CN2679248Y (en) * | 2003-08-07 | 2005-02-16 | 徐胜唐 | Antitheft mamhole cover |
| CN200999347Y (en) * | 2005-08-19 | 2008-01-02 | 李月祥 | Mechanical bidirectional locking anti-theft well cover |
-
2008
- 2008-12-31 CN CN 200810205297 patent/CN101463686B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2175787Y (en) * | 1993-12-05 | 1994-08-31 | 济宁供水集团总公司工程安装公司 | Anti-theft cover for manhole |
| CN2506697Y (en) * | 2001-06-12 | 2002-08-21 | 李建新 | Double-safety manhole cover and opener thereof |
| CN2679248Y (en) * | 2003-08-07 | 2005-02-16 | 徐胜唐 | Antitheft mamhole cover |
| CN200999347Y (en) * | 2005-08-19 | 2008-01-02 | 李月祥 | Mechanical bidirectional locking anti-theft well cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101463686A (en) | 2009-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1873176A (en) | Power closure latch assembly | |
| CN104153658B (en) | Locking mechanism with automatic return function | |
| CN102128249B (en) | Transmission device | |
| CN103375051A (en) | Two-way releasable mortise structure | |
| JP7025096B2 (en) | Locking device | |
| CN101463686B (en) | Locking device used for escape manhole in tunnel | |
| US6007114A (en) | Latch-operable multibolt lock | |
| CN207620548U (en) | A kind of lock body | |
| CN201973213U (en) | Transmission device | |
| CN201151354Y (en) | Assembly of seats and chassis of automobile | |
| CN115649121A (en) | A quick switching mechanism for new energy automobile trades electric installation | |
| CN109138646A (en) | A kind of mortise lock body with escaping function | |
| CN211081313U (en) | Lock with a locking mechanism | |
| CN205012807U (en) | Car tail -gate lock opening mechanism | |
| CN210396419U (en) | Intelligent lock | |
| CN101315006B (en) | Mortise lock with dead bolt releaser | |
| CN201258635Y (en) | Emergency clutch mechanism in rear lock of fingerprint lock | |
| CN209874738U (en) | Mortise lock body with escape function | |
| CN211201400U (en) | Lock capable of being unlocked quickly | |
| CN210178111U (en) | Transmission mechanism of lock tongue | |
| CN203698237U (en) | Landing leg locking device and concrete pump truck | |
| JP4822515B2 (en) | Motor-driven electric lock deadbolt control mechanism | |
| KR200444405Y1 (en) | Digital door lock | |
| CN201763083U (en) | Door lock in automobile | |
| CN201635491U (en) | Embeddable handle for safe box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |