CN111877882B - A lock used on smart manhole cover - Google Patents
A lock used on smart manhole cover Download PDFInfo
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- CN111877882B CN111877882B CN202010749682.1A CN202010749682A CN111877882B CN 111877882 B CN111877882 B CN 111877882B CN 202010749682 A CN202010749682 A CN 202010749682A CN 111877882 B CN111877882 B CN 111877882B
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- Prior art keywords
- sleeve
- lock body
- radial
- magnetic steel
- push rod
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/006—Locks or fastenings for special use for covers or panels
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
- E05B47/0603—Controlling mechanically-operated bolts by electro-magnetically-operated detents the detent moving rectilinearly
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/0065—Operating modes; Transformable to different operating modes
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
本发明公开了一种应用在智能井盖上的锁具，包括锁体，锁体上转动装设有转轴，转轴的一端向下穿出锁体外，转轴的另一端位于锁体内并形成有轴套，锁体上还转动装设有连接轴，连接轴的一端向上穿出锁体外，连接轴的另一端位于锁体内并沿轴向插装在轴套内，轴套上开设有径向通孔，所述径向通孔内穿设有插销，连接轴位于轴套内的端部上对应开设有供插销径向插入的插槽，所述的径向通孔内设置有促使插销径向向外伸出并与所述插槽分离的压缩弹簧，锁体内设置有用于推动插销克服压缩弹簧作用力径向向内移动并插入到所述插槽内的驱动机构，采用上述结构，该锁具结构简单，且既能通过电机电动开锁，又能通过钥匙机械开锁。
The present invention discloses a lock used on an intelligent manhole cover, comprising a lock body, a rotating shaft rotatably mounted on the lock body, one end of the rotating shaft downwardly passing through the lock body, the other end of the rotating shaft is located in the lock body and forms a shaft sleeve, a connecting shaft rotatably mounted on the lock body, one end of the connecting shaft upwardly passing through the lock body, the other end of the connecting shaft is located in the lock body and axially inserted in the shaft sleeve, a radial through hole is provided on the shaft sleeve, a latch is penetrated in the radial through hole, a slot for radially inserting the latch is correspondingly provided on the end portion of the connecting shaft located in the shaft sleeve, a compression spring is provided in the radial through hole to force the latch to radially extend outward and separate from the slot, a driving mechanism is provided in the lock body for pushing the latch to overcome the force of the compression spring to move radially inward and be inserted into the slot, with the above structure, the lock has a simple structure, and can be unlocked electrically by a motor or mechanically by a key.
Description
Technical Field
The invention relates to a lockset, in particular to a lockset applied to an intelligent well cover.
Background
In order to facilitate people to open the well lid in the well to realize escape, related literature (publication number: CN 109954238A) discloses an escape device for the well lid in the well and a use method thereof, but most locks which can be applied to the escape device for the well lid in the prior art are complex in structure and can only be unlocked electrically, so that the escape device has singleness.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the lockset applied to the intelligent well cover, which has a simple structure, and can be unlocked electrically by a motor and mechanically by a key.
In order to achieve the above purpose, the invention provides a lock applied to an intelligent well cover, comprising a lock body, wherein a rotating shaft is rotatably arranged on the lock body, one end of the rotating shaft penetrates out of the lock body downwards, the other end of the rotating shaft is positioned in the lock body and is provided with a shaft sleeve, a connecting shaft is rotatably arranged on the lock body, one end of the connecting shaft penetrates out of the lock body upwards, the other end of the connecting shaft is positioned in the lock body and is axially inserted in the shaft sleeve, a radial through hole is formed in the shaft sleeve, a bolt penetrates through the radial through hole, a slot for the bolt to be radially inserted is correspondingly formed in the end part of the connecting shaft positioned in the shaft sleeve, a compression spring for causing the bolt to radially extend outwards and be separated from the slot is correspondingly arranged in the radial through hole, a boss for preventing the bolt from radially outwards extending out of the radial through hole is correspondingly arranged in the bolt, a driving mechanism for pushing the bolt to radially inwards move against the acting force of the compression spring and be inserted into the slot is arranged in the lock body, the driving mechanism comprises a motor, a push rod and a mechanical key, an output shaft of the motor and a push rod are axially inserted in the shaft of the shaft, the motor and the push rod are correspondingly linked through a clutch structure, and the push rod is in linkage.
The beneficial effects of the invention are as follows: by adopting the structure, under normal conditions, when people want to open the well lid outside the well, the push rod can be driven to move through the motor or the mechanical key, so that the push rod acts on the plug pin, the plug pin is driven to overcome the acting force of the compression spring to move radially inwards and be inserted into the slot, the connecting shaft and the rotating shaft are connected together, the people can drive the rotating shaft to downwards penetrate through one end (the end is positioned above the well lid) outside the lock body by rotating the connecting shaft to downwards penetrate through one end (the end is positioned below the well lid) outside the lock body, and the rotating shaft downwards penetrates through one end of the lock body to be linked with the lock rod in the well lid escape device, so that the lock rod can be driven to stretch out and draw back, and locking or unlocking of the well lid is realized. When people do not unlock the lock, namely the push rod does not act on the bolt, the bolt is separated from the slot under the action of the compression spring, at the moment, the connecting shaft is separated from the rotating shaft, and when people want to escape in the well, the rotating shaft is driven to follow by pulling the escape handle, so that the lock rod is driven to stretch and retract, and the well lid can be opened to escape. In conclusion, the invention has simple structure and convenient operation, and can be unlocked electrically by the motor and mechanically by the key.
The invention can be further arranged that a rod sleeve is fixedly arranged in the lock body, the push rod is axially and slidably arranged in the rod sleeve, a first positioning pin and a second positioning pin are radially arranged on the push rod in a penetrating way, an output shaft of the motor is connected with the first positioning pin through a swing arm, the clutch structure comprises an inner sleeve, an outer sleeve, a fixed sleeve and a movable sleeve, the inner sleeve is rotatably arranged on the lock body, the movable sleeve is axially and limitedly arranged on the inner sleeve, an extending end connected with the second positioning pin is radially extended on the movable sleeve, an arc-shaped groove is formed on the outer circumferential surface of the movable sleeve, the arc-shaped groove and the extending end are respectively arranged on two axial sides of the movable sleeve, the fixed sleeve is fixedly sleeved on the inner sleeve, a shifting block axially inserted into the arc-shaped groove is arranged on the fixed sleeve, the outer sleeve is arranged outside the inner sleeve and is fixedly matched with the lock body, a radial through groove is formed on the outer sleeve, the outer circumference of the inner sleeve is provided with a groove communicated with the radial through groove, the radial outer end of the radial through groove is fixedly provided with a first magnetic steel, the radial inner end of the radial through groove is provided with a second magnetic steel in a sliding way along the radial direction, a repulsive magnetic force is formed between the first magnetic steel and the second magnetic steel and pushes the second magnetic steel to be inserted into the groove of the inner sleeve, the mechanical key comprises a key body and a connecting column, the connecting column is inserted into the inner sleeve, the connecting column is fixedly provided with a third magnetic steel, a repulsive magnetic force is formed between the third magnetic steel and the second magnetic steel and is larger than the repulsive magnetic force formed between the first magnetic steel and the second magnetic steel, the second magnetic steel is pushed away from the groove of the inner sleeve, one end of the key body is axially sleeved with one end of the connecting column and forms radial positioning through a limiting pin, the limiting pin is partially exposed, and the inner sleeve is correspondingly provided with a notch for radially inserting the exposed part of the limiting pin.
By adopting the structure, when the motor is unlocked, the output shaft of the motor rotates, the push rod is pushed to move through the swing arm and the first locating pin, so that the push rod acts on the plug pin, the plug pin is driven to move radially inwards against the acting force of the compression spring and is inserted into the slot, at the moment, the connecting shaft and the rotating shaft are connected together, people can correspondingly drive the rotating shaft to rotate through rotating the connecting shaft, unlocking of the well lid is realized, a mechanical key is not inserted into the inner sleeve at the moment, so that the effect of the third magnetic steel is not generated, the second magnetic steel is inserted into the groove of the inner sleeve under the effect of the first magnetic steel, the inner sleeve and the outer sleeve are connected together and are fixed, and only the movable sleeve rotates by a certain angle along with the push rod correspondingly. In addition, when the mechanical unlocking is needed, the mechanical key is inserted into the inner sleeve, so that under the action of the third magnetic steel, the second magnetic steel is pushed to the first magnetic steel, namely, the second magnetic steel is separated from the groove of the inner sleeve, at the moment, people rotate the mechanical key, the inner sleeve rotates, the fixed sleeve rotates, the movable sleeve can be pushed to rotate through the cooperation of the shifting block and the arc-shaped groove, the push rod is driven to move, namely, the push rod acts on the plug pin, the plug pin is driven to move inwards in the radial direction against the acting force of the compression spring and is inserted into the slot, at the moment, the connecting shaft is connected with the rotating shaft, and people can correspondingly drive the rotating shaft to rotate through rotating the connecting shaft, so that the unlocking of the well lid is realized. In conclusion, the invention can be unlocked by the motor and the key mechanically, and has simple structure and convenient operation.
The invention can be further arranged that one end of the push rod extends out of the rod sleeve and is fixedly connected with an end head capable of acting on the plug pin, the diameter of the end head is larger than that of the push rod, the push rod is sleeved with a reset spring, and two ends of the reset spring are respectively in butt joint with the end head and the rod sleeve. The push rod can recover under the action of the reset spring after losing the action of the driving mechanism.
The invention can be further arranged that the swing arm is in a fan shape, the central angle of the fan-shaped swing arm is hinged and fixed on the output shaft of the motor, the two ends of the fan-shaped swing arm are provided with extending parts which extend outwards in the radial direction, and the first locating pin is positioned in a concave cavity formed between the extending parts at the two ends and the cambered surface of the fan-shaped swing arm. The setting like this, when mechanical key unblanked, first locating pin only can be at the recess internal motion that forms between both ends extension and fan-shaped swing arm cambered surface along with the removal of push rod to make the motor need not rotate with following, and then prevent that the motor from leading to having not opened the lock because of the inside card of motor is dead when breaking down. When the motor is unlocked, the push rod can be pushed to move through the extending part at one end of the fan-shaped swing arm, after the motor works, when the motor returns reversely, the push rod can return under the action of the return spring under normal conditions, but if the return spring is blocked and other faults occur, the first locating pin can be reversely pushed back through the extending part at the other end of the fan-shaped swing arm, or even if the return spring does not exist, the push rod can be ensured to normally return after the work. In addition, the swing arm is arranged in a fan shape, and the first locating pin can move tangentially with the cambered surface of the fan-shaped swing arm, so that the first locating pin can move more smoothly.
The invention can be further provided with sealing rings between the inner sleeve and the lock body, between the rotating shaft and the lock body and between the connecting shaft and the lock body. Therefore, the sealing performance of the lockset can be effectively improved.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a partial cross-sectional view of the structure of the present invention;
FIG. 3 is a partial cross-sectional view of the structure of the present invention;
fig. 4 is an enlarged view of a portion a of fig. 3;
FIG. 5 is a partial block diagram of the present invention;
FIG. 6 is a partial block diagram of the present invention;
Fig. 7 is a structural view of a motor and a swing arm portion in the present invention.
Detailed Description
The lock for the intelligent well cover is shown in fig. 1-7, and comprises a lock body 1, a rotating shaft 2 is rotatably arranged on the lock body 1, one end of the rotating shaft 2 penetrates out of the lock body 1 downwards, the other end of the rotating shaft 2 is positioned in the lock body 1 and is provided with a shaft sleeve 21, a connecting shaft 3 is rotatably arranged on the lock body 1, one end of the connecting shaft 3 penetrates out of the lock body 1 upwards, the other end of the connecting shaft 3 is positioned in the lock body 1 and is axially inserted into the shaft sleeve 21, a radial through hole 22 is formed in the shaft sleeve 21, a plug pin 23 penetrates through the radial through hole 22, a slot 31 for the plug pin 23 to be radially inserted is correspondingly formed in the end of the connecting shaft 3 positioned in the shaft sleeve 21, a compression spring 24 for causing the plug pin 23 to radially outwards extend out and be separated from the slot 31 is correspondingly formed in the plug pin 23, a boss 231 for preventing the plug pin 23 from radially outwards extending out of the radial through hole 22 is correspondingly formed in the lock body 1, a motor 4 for pushing the plug pin 3 to radially inwards move against the acting force of the compression spring 24 and is inserted into the slot 21, the motor 4 is correspondingly arranged in the lock body 1, a driving mechanism 4 and a push rod 5 is in linkage mechanism 5 is in a linkage 5 and a push rod 5 is mechanically linked with the push rod 5.
The beneficial effects of the invention are as follows: by adopting the structure, under normal conditions, when people want to open the well lid outside the well, the motor 4 or the mechanical key 6 can drive the push rod 5 to move, so that the push rod 5 acts on the plug pin 23, the plug pin 23 is driven to move radially inwards against the acting force of the compression spring 24 and is inserted into the slot 31, at the moment, the connecting shaft 3 and the rotating shaft 2 are connected together, people can drive the rotating shaft 2 to downwards penetrate through one end (the end is positioned above the well lid) outside the lock body 1 by rotating the connecting shaft 3, and the one end (the end is positioned below the well lid) outside the lock body 1 is driven to rotate together, and the one end of the rotating shaft 2 downwards penetrating through the lock body 1 is linked with the lock rod in the well lid escape device, so that the lock rod can be driven to stretch out and draw back, and locking or unlocking of the well lid is realized. When people do not unlock the lock, namely the push rod 5 does not act on the plug pin 23, the plug pin 23 is separated from the slot 31 under the action of the compression spring 24, at the moment, the connecting shaft 3 is separated from the rotating shaft 2, and when people want to escape in a well, the people can drive the rotating shaft 2 to follow the well by pulling the escape handle, so that the lock rod is driven to stretch and retract, and the well lid can be opened to escape. In conclusion, the invention has simple structure and convenient operation, and can be unlocked electrically by the motor and mechanically by the key.
The invention can be further arranged that a rod sleeve 7 is fixedly arranged in the lock body 1, the push rod 5 is axially and slidably arranged in the rod sleeve 7, a first positioning pin 51 and a second positioning pin 52 are radially and fixedly arranged on the push rod 5 in a penetrating way, an output shaft of the motor 4 is connected with the first positioning pin 51 through a swing arm 41, the clutch structure comprises an inner sleeve 8, an outer sleeve 9, a fixed sleeve 10 and a movable sleeve 11, the inner sleeve 8 is rotatably arranged on the lock body 1, an axial limiting sleeve of the movable sleeve 11 is arranged on the inner sleeve 8, an extending end 111 connected with the second positioning pin 52 is radially extended on the movable sleeve 11, an arc-shaped groove 112 is formed on the outer circumferential surface of the movable sleeve 11, the arc-shaped groove 112 and the extending end 111 are respectively arranged on two axial sides of the movable sleeve 11, the fixed sleeve 10 is fixedly sleeved on the inner sleeve 8, a shifting block 101 which is axially inserted into the arc-shaped groove 112 is arranged on the fixed sleeve 10, the outer sleeve 9 is sleeved outside the inner sleeve 8 and forms fixed fit with the lock body 1, a radial through groove 91 is arranged on the outer circumference surface of the inner sleeve 8, a groove 81 communicated with the radial through groove 91 is arranged on the outer circumference surface of the inner sleeve 8, a first magnetic steel 92 is fixedly arranged at the radial outer end of the radial through groove 91, a second magnetic steel 93 is arranged at the radial inner end of the radial through groove 91 in a sliding way along the radial direction, repulsive magnetic force is formed between the first magnetic steel 92 and the second magnetic steel 93, the second magnetic steel 93 is pushed to be partially inserted into the groove 81 of the inner sleeve 8, the mechanical key 6 comprises a key body 61 and a connecting column 62, the connecting column 62 is inserted into the inner sleeve 8, a third magnetic steel 63 is fixedly arranged on the connecting column 62, repulsive magnetic force is formed between the third magnetic steel 63 and the second magnetic steel 93 and is larger than repulsive magnetic force formed between the first magnetic steel 92 and the second magnetic steel 93, the second magnetic steel 92 is pushed away from the groove 81 of the inner sleeve 8, one end of the key body 61 is axially sleeved with one end of the connecting column 62, radial positioning is formed through the limiting pin 64, the limiting pin 64 is partially exposed, and a notch 82 for radially inserting the exposed part of the limiting pin 64 is correspondingly formed in the inner sleeve 8.
With the structure, when the motor 4 is unlocked, the output shaft of the motor 4 rotates, the swing arm 41 and the first positioning pin 51 push the push rod 5 to move, so that the push rod 5 acts on the plug 23, the plug 23 is driven to move radially inwards against the acting force of the compression spring 24 and is inserted into the slot 31, the connecting shaft 3 and the rotating shaft 2 are connected together, people can correspondingly drive the rotating shaft 2 to rotate through rotating the connecting shaft 3, unlocking of a well cover is realized, the mechanical key 6 is not inserted into the inner sleeve 8 at the moment, the effect of the third magnetic steel 63 is avoided, the second magnetic steel 93 is inserted into the groove 81 of the inner sleeve 8 under the effect of the first magnetic steel 92, the inner sleeve 8 and the outer sleeve 9 are connected together, and only the movable sleeve 11 correspondingly rotates for a certain angle along with the push rod 5, so that when the motor 4 is unlocked, the inner sleeve 8 does not rotate along with the clutch structure, thereby not only facilitating the pushing of the push rod 5, but also effectively prolonging the service life of the sealing rings between the inner sleeve 8 and the lock body 1. In addition, when the mechanical unlocking is needed, the mechanical key 6 is inserted into the inner sleeve 8, so that under the action of the third magnetic steel 63, the second magnetic steel 93 is pushed to the first magnetic steel 92, namely, the second magnetic steel 93 is separated from the groove 81 of the inner sleeve 8, at the moment, people rotate the mechanical key 6, the inner sleeve 8 rotates, so that the fixed sleeve 10 rotates, the movable sleeve 11 can be pushed to rotate through the cooperation of the shifting block 101 and the arc-shaped groove 112, the push rod 5 is driven to move, namely, the push rod 5 acts on the plug pin 23, the plug pin 23 is driven to move radially inwards against the acting force of the compression spring 24 and is inserted into the slot 31, at the moment, the connecting shaft 3 is connected with the rotating shaft 2, and people correspondingly drive the rotating shaft 2 to rotate through rotating the connecting shaft 3, so that the unlocking of the well lid is realized. In conclusion, the invention can be unlocked by the motor and the key mechanically, and has simple structure and convenient operation.
The invention can be further arranged that one end of the push rod 5 extends out of the rod sleeve 7 and is fixedly connected with the end head 53 which can act on the bolt 23, the diameter of the end head 53 is larger than that of the push rod 5, the push rod 5 is sleeved with the return spring 54, and two ends of the return spring 54 are respectively abutted with the end head 53 and the rod sleeve 7. So arranged, the push rod 5 can return under the action of the return spring 54 after losing the action of the driving mechanism.
The invention can be further arranged that the swing arm 41 is in a fan shape, the central angle of the fan-shaped swing arm 41 is hinged and fixed on the output shaft of the motor 4, the two ends of the fan-shaped swing arm 41 are provided with extending parts 411 extending outwards in radial direction, and the first positioning pin 51 is positioned in a concave cavity 413 formed between the extending parts 411 at the two ends and the cambered surface 412 of the fan-shaped swing arm. Thus, when the mechanical key is unlocked, the first positioning pin 51 moves along with the movement of the push rod 5 only in the concave cavity 413 formed between the extending parts 411 at two ends and the arc surface 412 of the fan-shaped swing arm, so that the motor 4 does not need to rotate, and the situation that the motor 4 is blocked inside the motor 4 to cause unlocking cannot be prevented when the motor 4 fails. When the motor 4 is unlocked, the push rod 5 can be pushed to move through the extending part 411 at one end of the fan-shaped swing arm 41, after the motor 4 works, when the motor 4 is reversed and returns, the push rod 5 can return under the action of the return spring 54 under normal conditions, but if the return spring 54 is jammed or other faults occur, the first positioning pin 51 can be reversely pushed back through the extending part 411 at the other end of the fan-shaped swing arm 41, or even if the return spring 54 does not exist, the push rod 5 can be ensured to return normally after working. In addition, the swing arm 41 is configured to be fan-shaped, and the first positioning pin 51 can move tangentially to the arc surface 412 of the fan-shaped swing arm 41, so that the first positioning pin 51 moves more smoothly.
The invention can be further provided with sealing rings 12 between the inner sleeve 8 and the lock body 1, between the rotating shaft 2 and the lock body 1, and between the connecting shaft 3 and the lock body 1. Therefore, the sealing performance of the lockset can be effectively improved.
Claims (5)
1. The utility model provides an use tool to lock on intelligent well lid, includes the lock body, rotates on the lock body and installs the pivot, and the one end of pivot wears out outside the lock body, its characterized in that downwards: the other end of the rotating shaft is positioned in the lock body and is provided with a shaft sleeve, the lock body is further rotationally provided with a connecting shaft, one end of the connecting shaft upwards penetrates out of the lock body, the other end of the connecting shaft is positioned in the lock body and is axially inserted in the shaft sleeve, a radial through hole is formed in the shaft sleeve, a bolt penetrates through the radial through hole, a slot for the bolt to be radially inserted is correspondingly formed in the end part of the connecting shaft positioned in the shaft sleeve, a compression spring for enabling the bolt to radially extend outwards and separate from the slot is arranged in the radial through hole, a boss for preventing the bolt from radially and outwards separating from the radial through hole is correspondingly arranged on the bolt, a driving mechanism for pushing the bolt to radially and inwards move against the acting force of the compression spring and be inserted into the slot is arranged in the lock body, the driving mechanism comprises a motor, a push rod and a mechanical key, an output shaft of the motor is linked with the push rod, and the mechanical key is linked with the push rod through a clutch structure, and the push rod acts on the bolt.
2. The lock for intelligent well cover according to claim 1, wherein: the lock body is fixedly provided with a rod sleeve, the push rod is axially and slidably arranged in the rod sleeve, a first positioning pin and a second positioning pin are radially arranged on the push rod in a penetrating way, an output shaft of the motor is connected with the first positioning pin through a swing arm, the clutch structure comprises an inner sleeve, an outer sleeve, a fixed sleeve and a movable sleeve, the inner sleeve is rotatably arranged on the lock body, the movable sleeve is axially and limitedly arranged on the inner sleeve, an extending end connected with the second positioning pin is radially extended on the movable sleeve, an arc-shaped groove is formed in the outer circumferential surface of the movable sleeve, the arc-shaped groove and the extending end are respectively arranged on two axial sides of the movable sleeve, a shifting block axially inserted into the arc-shaped groove is fixedly sleeved on the fixed sleeve, the outer sleeve is arranged outside the inner sleeve and is fixedly matched with the lock body, a radial through groove is formed on the outer sleeve, the outer circumference of the inner sleeve is provided with a groove communicated with the radial through groove, the radial outer end of the radial through groove is fixedly provided with a first magnetic steel, the radial inner end of the radial through groove is provided with a second magnetic steel in a sliding way along the radial direction, a repulsive magnetic force is formed between the first magnetic steel and the second magnetic steel and pushes the second magnetic steel to be inserted into the groove of the inner sleeve, the mechanical key comprises a key body and a connecting column, the connecting column is inserted into the inner sleeve, the connecting column is fixedly provided with a third magnetic steel, a repulsive magnetic force is formed between the third magnetic steel and the second magnetic steel and is larger than the repulsive magnetic force formed between the first magnetic steel and the second magnetic steel, the second magnetic steel is pushed away from the groove of the inner sleeve, one end of the key body is axially sleeved with one end of the connecting column and forms radial positioning through a limiting pin, the limiting pin is partially exposed, and the inner sleeve is correspondingly provided with a notch for radially inserting the exposed part of the limiting pin.
3. A lock for use in an intelligent well cover according to claim 2, wherein: one end of the push rod extends out of the rod sleeve and is fixedly connected with an end head capable of acting on the plug pin, the diameter of the end head is larger than that of the push rod, the push rod is sleeved with a reset spring, and two ends of the reset spring are respectively in butt joint with the end head and the rod sleeve.
4. A lock for use in an intelligent well cover according to claim 2 or 3, wherein: the swing arm is fan-shaped, and the central angle department of fan-shaped swing arm articulates to be fixed on the output shaft of motor, and fan-shaped swing arm's both ends all are provided with the extension that radially outwards extends, first locating pin is located the cavity that forms between both ends extension and the fan-shaped swing arm cambered surface.
5. A lock for use in an intelligent well cover according to claim 2 or 3, wherein: sealing rings are arranged between the inner sleeve and the lock body, between the rotating shaft and the lock body and between the connecting shaft and the lock body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010749682.1A CN111877882B (en) | 2020-07-30 | 2020-07-30 | A lock used on smart manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010749682.1A CN111877882B (en) | 2020-07-30 | 2020-07-30 | A lock used on smart manhole cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111877882A CN111877882A (en) | 2020-11-03 |
| CN111877882B true CN111877882B (en) | 2024-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010749682.1A Active CN111877882B (en) | 2020-07-30 | 2020-07-30 | A lock used on smart manhole cover |
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| CN (1) | CN111877882B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113775262B (en) * | 2021-09-03 | 2022-07-08 | 南京华脉科技股份有限公司 | Intelligent well cover lock based on wireless communication |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212336964U (en) * | 2020-07-30 | 2021-01-12 | 浙江宏泰电子设备有限公司 | A lock applied to a smart manhole cover |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2217643Y (en) * | 1994-09-26 | 1996-01-17 | 张金兰 | Device for locking or turning-over manhole-cover |
| CN2445060Y (en) * | 2000-07-26 | 2001-08-29 | 常俊廉 | Spring automatic reset inserted lock for manhole cover and its key |
| CN103982085B (en) * | 2014-04-22 | 2016-04-13 | 鲁柏鑫 | Lock is regulated without cold bridge spanner degree of tightness |
| CN107448060B (en) * | 2017-07-07 | 2019-09-27 | 珠海优特物联科技有限公司 | Lock rotary axle component and lock body |
| CN110159098B (en) * | 2019-05-08 | 2023-08-04 | 宁波生久科技有限公司 | Intelligent well lid lock with state monitoring function and using method thereof |
-
2020
- 2020-07-30 CN CN202010749682.1A patent/CN111877882B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212336964U (en) * | 2020-07-30 | 2021-01-12 | 浙江宏泰电子设备有限公司 | A lock applied to a smart manhole cover |
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| Publication number | Publication date |
|---|---|
| CN111877882A (en) | 2020-11-03 |
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