CN204901034U - Two magnetism pivot locking structures, key and adopt valve of this kind of locking structure - Google Patents
Two magnetism pivot locking structures, key and adopt valve of this kind of locking structure Download PDFInfo
- Publication number
- CN204901034U CN204901034U CN201520335720.3U CN201520335720U CN204901034U CN 204901034 U CN204901034 U CN 204901034U CN 201520335720 U CN201520335720 U CN 201520335720U CN 204901034 U CN204901034 U CN 204901034U
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- CN
- China
- Prior art keywords
- lock pin
- lock
- hole
- mounting hole
- lockwheel
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- 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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- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The utility model relates to a two magnetism pivot locking structures and supporting key with contain the valve of locking structure and supporting key, the locking structure includes lock body and lock wheel, be equipped with lock wheel hole on the lock body, the lock wheel lies in the lock wheel is downthehole, be equipped with 2 lockpin mounting holes of radial extension, each on the lock body all be equipped with end cap, spring and lockpin in the lockpin mounting hole, the lockpin is the permanent magnetism lockpin, on the wheel face of lock wheel according to with the distribution mode evenly distributed that a plurality of lockpin mounting holes correspond there are a plurality of lockpin slot / jacks, be equipped with on the key with the permanent magnet of lockpin inter attraction, be equipped with the constitution on the valve body of valve the valve rod connecting portion of lock body, the valve rod hole constitutes lock wheel hole, the central authorities of lock wheel are equipped with the mounting hole and pass through the mounting hole is fixed to be cup jointed on the valve rod. The utility model discloses the locking that can be used to pivot and valve to simple structure, convenient to use.
Description
Technical field
The utility model relates to the supporting key of a kind of pair of magnetic rotating shaft lock structure, a kind of and this lock structure and a kind of valve adopting this lock structure.
Background technique
Lack the locking closure for valve and similar device under prior art, be therefore difficult to take precautions against unauthorized person and arbitrarily open or close, and adopt the lockset for other apparatus design often to need to increase certain affiliated facility, make troubles to installation and use.
Summary of the invention
In order to overcome the above-mentioned defect of prior art, the utility model provides a kind of two magnetic rotating shaft lock structure and matched key thereof, additionally provides a kind of valve adopting this lock structure, its objective is the locking realizing rotating shaft and valve, and structure is simple, easy to use.
The technological scheme that the utility model adopts: a kind of two magnetic rotating shaft lock structure, comprise lock body and lockwheel, described lock body is provided with lockwheel hole, described lockwheel hole is circular hole, described lockwheel is positioned at described lockwheel hole, coordinate with described lockwheel interporal lacuna (i.e. between the hole wall in lockwheel and lockwheel hole, leaving the gap allowing lockwheel to rotate), described lock body is provided with the radial lock pin mounting hole (alleged radial direction refers to the rectilinear direction crossing position with the central axis upright in described lockwheel hole and crossing) extended, the quantity of described lock pin mounting hole is multiple, respective lock pin assembly is equipped with in each described lock pin mounting hole, described lock pin assembly comprises plug, spring and lock pin, described plug is positioned at the outside of described lock pin and is fixedly mounted on described lock pin mounting hole, described spring is between described plug and lock pin, in compressive state, its two ends contact (comparatively speaking respectively at the inner end of described plug and the outer end of described lock pin, what the central axis apart from lockwheel hole was far away is outward, from being inner or interior close to the central axis in lockwheel hole), described lock pin is permanent magnetism lock pin, two ends are magnetic pole (two ends refer to the two ends on inside and outside direction), the polarity of the outer end of described multiple lock pin is all not identical, the wheel face (side) of described lockwheel is evenly distributed with some latch channels/jacks according to the distribution mode corresponding with described multiple lock pin mounting hole, namely the distribution mode of described some latch channels/jacks is allow each described lock pin insert simultaneously and only allow the distribution mode that each described lock pin inserts simultaneously, when a lock pin corresponds to some latch channels/jacks, other lock pins also correspond to some latch channels/jacks simultaneously, the shape of described latch channels/jack and size adopt the shape and size that allow described lock pin to insert.
The key that a kind of and above-mentioned pair of magnetic rotating shaft lock structure is supporting, comprise key body, described key body is provided with the multiple permanent magnets corresponding with described lock pin mounting hole, the front end of each described permanent magnet is a magnetic pole of permanent magnet and is positioned at the front end of described key body, and its polarity is contrary with the polarity of the lock pin outer end in lock pin mounting hole corresponding thereto.
A kind of valve, is provided with above-mentioned pair of magnetic rotating shaft lock structure.
Working principle of the present utility model and beneficial effect are: lockwheel be fixedly mounted in the rotating shaft of valve or other devices, such as, on the valve rod of valve, lock pin under the action of the spring, all the time contact on runner, when runner turns on latch channels/jack position relative with lock pin, lock pin inserts latch channels/jack under the action of the spring, by suitably arranging the size of latch channels/between jack and lock pin, make lock pin after such insertion, part lock pin is positioned at latch channels/jack, part lock pin is positioned at lock pin mounting hole, thus runner is pinned, stop it to rotate, and then realize the locking of countershaft or valve, after key being inserted key socket, permanent magnet on the key attracts each other with corresponding permanent magnetism lock pin, suitable setting suction between the two and the physical dimension such as size and lock pin mounting hole of spring thrust, while lock pin reliably can be pushed latch channels/jack without spring thrust during key by guarantee, ensureing to insert after key lock pin can retraction lock pin mounting hole completely, lockwheel is allowed to rotate thus, remove the locking of countershaft or valve.This lock structure structure is simple, easy to use, locking reliable performance, and due to the polarity of each lock pin outer end all not identical, therefore only have and adopt the key with suitable polarity distribution mode can make all lock pin retraction lock pin mounting holes simultaneously, ensure that the specificity of key thus.。The Security of lock can be improved by the quantity of increase lock pin and change distribution mode, but in reality, as long as the lock pin in usual employing two opposed polarity directions just can meet the safety requirement to valve locking.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of lock structure;
Fig. 2 is the form structure schematic diagram of a kind of lock structure implemented on valve;
Fig. 3 is the structural representation of key.
Embodiment
See Fig. 1-3, the utility model provides a kind of two magnetic rotating shaft lock structure, comprise lock body 1 and lockwheel 2, described lock body is provided with lockwheel hole, described lockwheel hole is circular hole, described lockwheel is positioned at described lockwheel hole, coordinate with described lockwheel interporal lacuna, described lock body is provided with the radial lock pin mounting hole extended, the quantity of described lock pin mounting hole is multiple, respective lock pin assembly is equipped with in each described lock pin mounting hole, described lock pin assembly comprises plug 33, spring 32 and lock pin 31, described plug is fixedly mounted on the outer end of described lock pin mounting hole, described spring is between described plug and lock pin, in compressive state, its two ends contact respectively at the inner end of described plug and the outer end of described lock pin, described lock pin is permanent magnetism lock pin, two ends are magnetic pole, the polarity of the outer end of described multiple lock pin is all not identical, the wheel face (side) of described lockwheel is evenly distributed with some latch channels/jacks 21 by the distribution mode corresponding with described multiple lock pin mounting hole, thus when lockwheel rotates to certain position, all lock pins all insert in latch channels/jack, lockwheel is locked, lockwheel is fixedly mounted in rotating shaft, locking lockwheel has also just locked rotating shaft.By magnetic key, lock pin is outwards inhaled, make, in its complete retraction lock pin mounting hole, just can remove locking states, allow lockwheel to rotate, after extracting key, as long as lockwheel turns to the position that can be blocked, will be blocked immediately.The quantity of latch channels/jack is suitably set according to suitable distribution mode, the maximum angle that after just can controlling to extract key, lockwheel can be rotated, controls the quantity of locking gear.
Preferably, the outer end polarity of adjacent described lock pin is contrary.To prevent the permanent magnet with magnetic field is enough large to be all attracted in lock pin mounting hole by all lock pins from outside, avoid the phenomenon occurring also can unlocking without key.
Preferably, the quantity of described lock pin mounting hole is two, and is positioned at on the same plane of described lockwheel hole central axis upright, to avoid too complicated structure, meets the locking safety requirement of the devices such as normal conditions lower valve simultaneously.
Preferably, described lock pin mounting hole is the shoulder hole be made up of exit orifice section 14 and endoporus section 13, the aperture of described exit orifice section is greater than the aperture of described endoporus section, described plug is fixedly mounted in described exit orifice section, and the end face between inner/outer hole section can be relied on to carry out the location (spacing) of plug, the fixed installation mode of described plug and described exit orifice section can adopt the fixed installation mode of any suitable, is preferably threaded or interference fit, and employing is threaded can for convenience detach and maintenance.
Preferably, described lock body is provided with lock hole part, and described lock hole part is provided with the radial protrusion 12 being positioned at described lock body side, and each described lock pin mounting hole is arranged on described lock hole part, lock hole part can be made thus to have enough wall thickness, to meet the size requirement of lock pin mounting hole etc.
Preferably, the exterior edge face of described lock hole part is provided with the key socket 16 in concave inward structure, and key socket, on the bottom surface of described key socket, is inserted in key front end by the outer end opening of each described lock pin mounting hole, key can stably remain on socket, with convenient working.
Preferably, the bottom surface central authorities of described key socket are also provided with positioning hole 15, are positioned by corresponding locating column on the key to facilitate, and further ensure key and be inserted into after on socket and can not drop.
Preferably, described lockwheel is ratchet, to obtain better locking effect, correspondingly, space on described ratchet between adjacent teeth forms described latch channels, and the angular distance q of the adjacent lock pin mounting hole in described lockwheel equals the integral multiple (containing 1 times) of the angular distance of the adjacent teeth on described ratchet.
The utility model additionally provides the supporting key of a kind of and above-mentioned any one pair of magnetic rotating shaft lock structure, comprise key body 6, described key body is provided with the multiple permanent magnets 61 corresponding with described lock pin mounting hole, the front end of each described permanent magnet is a magnetic pole of permanent magnet and is positioned at the front end of described key body, and its polarity is contrary with the polarity of the lock pin outer end in corresponding lock pin mounting hole.
Preferably, the front portion of described key can in block, and rear portion is provided with key bar (hand handle), and described permanent magnet is inlaid in the front portion of described key.
Preferably, the front end surface of each described permanent magnet exposes or the front end of described key body is provided with the non magnetic top layer closing each described permanent magnet front end surface.
Preferably, the front portion of described key body is also provided with a locating column extended forward 62, positions to coordinate with the positioning hole on the bottom surface being arranged on key socket.
The utility model additionally provides a kind of valve, it is provided with above-mentioned any one pair of magnetic rotating shaft lock structure, and be furnished with the supporting key of above-mentioned any one and used pair of magnetic rotating shaft lock structure, the valve body of described valve is provided with the valve rod joint forming described lock body, such as, in embodiment illustrated in fig. 2, valve body comprises the valve gap being positioned at body top, described valve gap is provided with valve rod hole, thus, this valve gap can be used as the lock body of lock structure, and the nut type of outer-hexagonal is arranged on the top 11 of valve gap, to use spanner to carry out turn.Described valve rod joint is column, and be provided with for through the valve rod hole of described valve rod, described valve rod hole forms described lockwheel hole, and the central authorities of described lockwheel are provided with mounting hole 22 and by the fixedly sleeved described valve rod of described mounting hole.Thus, the locking of valve can be realized by lock structure, can be unlocked by key, during operation, key is inserted the key socket on valve body, just can realize unlocking, carry out unlatching or the closedown of valve in the unlocked state, after being extracted by key, valve is blocked, to prevent by illegal operation.
Claims (10)
1. a two magnetic rotating shaft lock structure, it is characterized in that comprising lock body and lockwheel, described lock body is provided with lockwheel hole, described lockwheel hole is circular hole, described lockwheel is positioned at described lockwheel hole, coordinate with described lockwheel interporal lacuna, described lock body is provided with the radial lock pin mounting hole extended, the quantity of described lock pin mounting hole is multiple, respective lock pin assembly is equipped with in each described lock pin mounting hole, described lock pin assembly comprises plug, spring and lock pin, described plug is positioned at the outside of described lock pin and is fixedly mounted on described lock pin mounting hole, described spring is between described plug and lock pin, in compressive state, its two ends contact respectively at the inner end of described plug and the outer end of described lock pin, described lock pin is permanent magnetism lock pin, two ends are magnetic pole, the polarity of the outer end of described multiple lock pin is all not identical, the wheel face of described lockwheel is evenly distributed with some latch channels/jacks by the distribution mode corresponding with described multiple lock pin mounting hole.
2. two magnetic rotating shaft lock structure as claimed in claim 1, is characterized in that the outer end polarity of adjacent described lock pin is contrary.
3. two magnetic rotating shaft lock structure as claimed in claim 2, is characterized in that the quantity of described lock pin mounting hole is two, and is positioned at on the same plane of described lockwheel hole central axis upright.
4. two magnetic rotating shaft lock structure as claimed in claim 3, it is characterized in that described lock pin mounting hole is the shoulder hole be made up of exit orifice section and endoporus section, the aperture of described exit orifice section is greater than the aperture of described endoporus section, described plug is fixedly mounted in described exit orifice section, and the fixed installation mode of described plug and described exit orifice section is for being threaded or interference fit.
5. two magnetic rotating shaft lock structure as claimed in claim 4, it is characterized in that described lock body is provided with lock hole part, described lock hole part is provided with the radial protrusion being positioned at described lock body side, and each described lock pin mounting hole is arranged on described lock hole part.
6. two magnetic rotating shaft lock structure as claimed in claim 5, it is characterized in that the exterior edge face of described lock hole part is provided with the key socket in concave inward structure, the outer end opening of each described lock pin mounting hole is on the bottom surface of described key socket.
7. the two magnetic rotating shaft lock structures as described in claim 1,2,3,4,5 or 6, it is characterized in that described lockwheel is ratchet, space on described ratchet between adjacent teeth forms described latch channels, and the angular distance of the adjacent lock pin mounting hole in described lockwheel equals the integral multiple of the angular distance of the adjacent teeth on described ratchet.
8. a key supporting with any one pair of magnetic rotating shaft lock structure in claim 1-7, comprise key body, described key body is provided with the multiple permanent magnets corresponding with described lock pin mounting hole, the front end of each described permanent magnet is a magnetic pole of permanent magnet and is positioned at the front end of described key body, and its polarity is contrary with the polarity of the lock pin outer end in lock pin mounting hole corresponding thereto.
9. key as claimed in claim 8, is characterized in that the front end surface of each described permanent magnet exposes or the front end of described key body is provided with the non magnetic top layer closing each described permanent magnet front end surface.
10. a valve, it is characterized in that being provided with any one pair of magnetic rotating shaft lock structure in claim 1-7 and be furnished with the key that in claim 8-9, any one pair of magnetic rotating shaft lock structure is supporting, the valve body of described valve is provided with the valve rod joint forming described lock body, described valve rod joint is column, be provided with for the valve rod hole through described valve rod, described valve rod hole forms described lockwheel hole, and the central authorities of described lockwheel are provided with mounting hole and by the fixedly sleeved described valve rod of described mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520335720.3U CN204901034U (en) | 2015-05-22 | 2015-05-22 | Two magnetism pivot locking structures, key and adopt valve of this kind of locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520335720.3U CN204901034U (en) | 2015-05-22 | 2015-05-22 | Two magnetism pivot locking structures, key and adopt valve of this kind of locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204901034U true CN204901034U (en) | 2015-12-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520335720.3U Expired - Fee Related CN204901034U (en) | 2015-05-22 | 2015-05-22 | Two magnetism pivot locking structures, key and adopt valve of this kind of locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204901034U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595385A (en) * | 2019-01-24 | 2019-04-09 | 王军 | A kind of valve handle preventing maloperation |
-
2015
- 2015-05-22 CN CN201520335720.3U patent/CN204901034U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595385A (en) * | 2019-01-24 | 2019-04-09 | 王军 | A kind of valve handle preventing maloperation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20151223 Termination date: 20210522 |