CN206267664U - Unlocking mechanism inside and outside a kind of port lid - Google Patents

Unlocking mechanism inside and outside a kind of port lid Download PDF

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Publication number
CN206267664U
CN206267664U CN201621149980.2U CN201621149980U CN206267664U CN 206267664 U CN206267664 U CN 206267664U CN 201621149980 U CN201621149980 U CN 201621149980U CN 206267664 U CN206267664 U CN 206267664U
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CN
China
Prior art keywords
cam
port lid
lock
unlocking
rod
Prior art date
Application number
CN201621149980.2U
Other languages
Chinese (zh)
Inventor
周禹珺
龚俊杰
魏春良
秦康生
蒋二滨
孔繁群
宣胜
Original Assignee
周禹珺
龚俊杰
魏春良
秦康生
蒋二滨
孔繁群
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 周禹珺, 龚俊杰, 魏春良, 秦康生, 蒋二滨, 孔繁群 filed Critical 周禹珺
Priority to CN201621149980.2U priority Critical patent/CN206267664U/en
Application granted granted Critical
Publication of CN206267664U publication Critical patent/CN206267664U/en

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Abstract

The utility model is related to a kind of technical scheme of unlocking mechanism inside and outside port lid, use to be:Including being unlocked and port lid drawback lock mechanism outside port lid.The wherein outer unlocking mechanism of port lid includes external-open lock pin, outer unlocking cam, connecting rod, locking bar;Wherein outer unlocking cam is relatively fixed with external-open lock pin, and outer unlocking cam rotates external-open lock pin by key, drives outer unlocking cam link mechanism to rotate, and pulls locking bar to retract backward, completes port lid outside and unlocks.Port lid drawback lock mechanism includes, push rod, push rod spring, drawback lock cam and locking bar;Drawback lock cam is connected by screw with locking bar, and can be rotated around screw, and push rod top contacts with drawback lock cam bottom;Promote push rod upwards by from port lid inside, make cam rotation, drive locking bar receding, the inside for completing port lid is unlocked.The utility model simple structure, port lid internal-external can all be opened, and open more convenient.

Description

Unlocking mechanism inside and outside a kind of port lid
Technical field
The utility model is related to unlocking mechanism inside and outside a kind of port lid, belongs to municipal facilities field.
Background technology
Port lid is mainly used in covering road or family's middle-deep well, prevents people or object from falling.In urban construction, increasingly The systems such as electric power, communication, feedwater, draining, fuel are all concentrated on urban Underground pipeline by many cities, and the construction to city is played More and more important effect, improves The Surroundings in Cities, also enables some safety problems to fall to ensure.
However as increasing pipeline construction, the work such as the working drawing review of each pipeline are also made troubles.Therefore, If underground occurs accident will produce huge threat to the safety of maintenance personal, or even be difficult to ensure the life of maintenance personal Safety, and the underground space is narrow and small, and air flow property is poor, once pipeline fuel is leaked, it will the danger of blast is produced, There is huge threat to the safety of life and property of people.
Therefore in order to preferably repair various facilities, and the security of various pipelines is improved, one will be set every one section Individual inspection hole, rainwater hole or escape hole.Certain this some holes needs to prevent the entrance of non-maintenance personal with port lid, and prevents car And pedestrian the various problems such as drop, port lid is usually iron castings, and this allows for port lid and is more bothered in installation and use, For the work of maintainer is made troubles, when underground is caused danger, the people under port lid is likely to because the cumbersome product of port lid unlocking It is raw dangerous.
Utility model content
The purpose of this utility model is directed to above-mentioned the deficiencies in the prior art, there is provided one kind is conveniently from interior external-open Open, facilitate unlocking mechanism inside and outside the port lid of staff's entrance and escape.
The technical solution of the utility model is:Unlocking mechanism inside and outside a kind of port lid, including it is arranged at the port lid lock on port lid Core, the port lid includes upper lid, port lid circle, and lockhole is provided with port lid circle;
The port lid lock core includes outer unlocking cam, external-open lock pin, V-arrangement connecting rod, locking bar, lock core lower plate, lock core lower plate It is provided with pitman pin, cam bearing pin, cam limit axle;The outer unlocking cam is arranged on cam bearing pin, and can be around cam Bearing pin is rotated, and outer unlocking cam is provided with arc-shaped limit groove, and arc-shaped limit groove is placed on cam limit axle;The external-open lock pin Setting is fixed on outer unlocking cam, one end of V-arrangement connecting rod and outer unlocking cam chain connection, and the other end connects with locking bar hinge Connect, by pitman pin and lock core lower plate chain connection, V-arrangement connecting rod can be around pitman pin in lock core lower plate for the bottom of V-arrangement connecting rod On horizontally rotate;The locking bar outer end is cambered, is easy to locking bar, the slid inward when meeting obstructions, and is set in the lock core lower plate There are the first lock rod spring fixed seat with preceding latch arm hole, the second lock rod spring fixed seat with rear latch arm hole, locking bar is successively After preceding latch arm hole, the rear latch arm hole of the second lock rod spring fixed seat through the first lock rod spring fixed seat by V-arrangement connecting rod with Outer unlocking cam is connected;
The locking bar is provided with drawback lock cam path near the part of V-arrangement connecting rod, and drawback lock cam path is provided with drawback lock cam, Drawback lock cam is connected by screw in the drawback lock cam path of locking bar, and drawback lock cam can be around spiral shell in drawback lock cam path Nail is rotated;The lock core lower plate of drawback lock cam bottom is provided with push-rod hole, and push rod, push rod and drawback lock cam surface are installed with push-rod hole Contact;
Key rotation external-open lock pin, makes outer unlocking cam together rotate during external-open, drives V-arrangement link rotatable, drives lock Bar is retracted along the first lock rod spring fixed seat, the second lock rod spring fixed seat, so that locking bar is exited from the lockhole of port lid circle, Complete the outside unlocking of port lid;When inside opening, push rod is promoted to make drawback lock cam rotation, drawback lock cam band during rotation Dynamic locking bar is retracted, so that locking bar is exited from the lockhole of port lid circle, the inside for completing port lid is unlocked.
Port lid spring is provided with the port lid circle and upper cover hinge, when locking bar retraction is exited from lockhole, on port lid circle Port lid spring ejects upper lid.
One end of the push rod is provided with push rod support, and push rod spring is cased with push rod, and push rod spring is placed in lock core lower plate and pushes away Between lever bracket.
The upper lid, the shape of port lid circle are circle.
The utility model simple, easy, easy to use, new used technical side of this experiment of the manufacturing rational in infrastructure Case is:Including the outer unlocking mechanism of port lid and port lid drawback lock mechanism;In the outer unlocking mechanism of described port lid, external-open lock pin with it is outer Unlocking cam is relatively fixed, and the boss on connecting rod and cam contact, and locking bar ensures the connection between connecting rod and locking bar, by key Spoon rotation external-open lock pin, makes cam together rotate, and drivening rod is rotated, so that locking bar is retracted, exits lockhole.Described In drawback lock mechanism, push rod and drawback lock cam surface, drawback lock cam are connected by screw with locking bar, and promotion push rod makes convex Wheel is rotated, and drives locking bar to retract due to the special construction of cam, during rotation, exits lockhole.
The utility model is particularly well-suited to city integrated piping lane, and staff can very easily listen outer unlocking mechanism to beat Vented cap, to carry out the inspection and maintenance of various pipe-line systems, simultaneously because external-open lock pin can only be by staff's key Spoon could be opened, therefore, it is possible to effectively prevent port lid to be stolen;During staff overhauls, in the event of emergency, Staff in pipeline can push port lid open from interior survey rapidly, so as to ensure the safety of staff, also substantially increase comprehensive Close the security of piping lane.
Brief description of the drawings
Fig. 1 is port lid integrated model schematic diagram of the present utility model
Fig. 2 is port lid lock core structure schematic diagram of the present utility model.
In figure:Lid on 101,102 port lid lock cores, 103 port lid springs, 104 port lid circles, 105 lockholes, 106 locking bars, in 107 Unlocking cam, 108V shapes connecting rod, 109 outer unlocking cams, 110 external-open lock pins, 111 lock core lower plates, 112 push rods, 113 push rod bullets Spring, 114 pitman pins, 115 cam bearing pins, 116 cam limit axles, 117 arc-shaped limit grooves, 118 drawback lock cam paths, 119 spiral shells Nail, the first lock rod springs of 120-1 fixed seat, the second lock rod springs of 120-2 fixed seat, 121 screws.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings:
Unlocking mechanism inside and outside a kind of port lid, including the port lid lock core 102 on port lid is arranged at, the port lid includes upper lid 101st, port lid circle 104, sets lockhole 105 in port lid circle 104;
In the present embodiment, port lid lock core 102 includes outer unlocking cam 109, external-open lock pin 110, V-arrangement connecting rod 108, locking bar 106th, lock core lower plate 111, sets pitman pin 114, cam bearing pin 115, cam limit axle 116 in lock core lower plate 110;Will be outer Unlocking cam 109 is arranged on cam bearing pin 115, and can be rotated around cam bearing pin 115, sets arc on unlocking cam 109 outside Shape stopper slot 117, arc-shaped limit groove 117 is placed on cam limit axle 116.
External-open lock pin 110 is set and is fixed on outer unlocking cam 109, one end of V-arrangement connecting rod 108 and outer unlocking cam 109 chain connections, the other end and the chain connection of locking bar 106, the bottom of V-arrangement connecting rod 108 is by pitman pin 114 and lock core lower plate 111 chain connections, V-arrangement connecting rod 108 can horizontally rotate around pitman pin 114 in lock core lower plate 111;The lock core lower plate 111 It is provided with the first lock rod spring fixed seat 120-1 with preceding latch arm hole, the second lock rod spring fixed seat with rear latch arm hole 120-2, locking bar 106 sequentially passes through the preceding latch arm hole of the first lock rod spring fixed seat 120-1, the second lock rod spring fixed seat 120- It is connected with outer unlocking cam 109 by V-arrangement connecting rod 108 after 2 rear latch arm hole.
It is provided with drawback lock cam path 118, drawback lock cam path 118 near the part of V-arrangement connecting rod 108 in locking bar 106 and is set There is drawback lock cam 107, drawback lock cam 107 is connected in the drawback lock cam path 118 of locking bar by screw 121, drawback lock Cam 107 can be rotated in drawback lock cam path 118 around screw 121;Lock core lower plate 111 in the bottom of drawback lock cam 107 sets Push-rod hole is put, push rod 112 is installed with push-rod hole, push rod 112 is contacted with the face of drawback lock cam 107;
Key rotation external-open lock pin 110, makes outer unlocking cam 109 together rotate during external-open, drives 108 turns of V-arrangement connecting rod It is dynamic, drive locking bar 106 to be retracted along the first lock rod spring fixed seat 120-1, the second lock rod spring fixed seat 120-2, so as to lock Bar 106 is exited from the lockhole 105 of port lid circle 104, completes the outside unlocking of port lid;When inside opening, push rod 112 is promoted to make drawback lock Cam 107 is rotated, and drawback lock cam 107 drives locking bar 106 to retract during rotation, so that locking bar 106 is from port lid circle 104 Lockhole 105 in exit, complete port lid inside unlock.
In the present embodiment, the providing holes lid spring 103 at port lid circle 104 with the hinge of upper lid 101, when locking bar 106 bounce back from When lockhole 105 is exited, the port lid spring 103 on port lid circle 104 ejects upper lid 101.In one end of push rod 112, push rod support is set 119, push rod spring 113 is cased with push rod 112, push rod spring 113 is placed between lock core lower plate 111 and push rod support 119.Additionally, Upper lid 101, the shape of port lid circle 104 are circle.
Outer unlocking mechanism, external-open lock pin is relatively fixed with cam, and when key unlocking, external-open lock pin and cam can one Rise and rotate, the rotation of connecting rod can drive locking bar tandem to move.Drawback lock mechanism, push rod is pushed up, and can make cam driven Locking bar is retracted, and drawback lock cam is connected by screw with locking bar, and when push rod promotes cam, cam can be rotated around screw.
To sum up, when staff needs to carry out the maintenance of pipeline and safeguard into pipeline, outer unlocking is rotated by key Lock core 110, drives outer unlocking cam 109 to rotate, while connecting rod 108 is also rotated around the pedestal of lock core lower plate 111, by connecting rod With the connection between locking bar 106, drive locking bar to retract, exit lockhole 105, so as to complete the outside unlocking of port lid;Staff When carrying out operation inside into pipeline, if facing a danger situation, such as reveal, explode, by promoting the push rod inside port lid 112, drawback lock cam 107 is rotated around screw, promote locking bar to retract, lockhole is exited, then port lid spring 103 gives one, upper lid Elastic force, staff is only needed gently once pushing away and can open port lid, and staff just can Safe withdrawing pipeline.The utility model knot Structure is simple, can preferably facilitate staff, safeguard work personal security.

Claims (4)

1. unlocking mechanism inside and outside a kind of port lid, including it is arranged at the port lid lock core on port lid(102), the port lid include upper lid (101), port lid circle(104), port lid circle(104)Inside it is provided with lockhole(105);
The port lid lock core(102)Including outer unlocking cam(109), external-open lock pin(110), V-arrangement connecting rod(108), locking bar (106), lock core lower plate(111), lock core lower plate(110)It is provided with pitman pin(114), cam bearing pin(115), cam limit axle (116);The outer unlocking cam(109)It is arranged at cam bearing pin(115)On, and can be around cam bearing pin(115)Rotate, outer unlocking Cam(109)It is provided with arc-shaped limit groove(117), arc-shaped limit groove(117)It is placed on cam limit axle(116)On;The external-open Lock pin(110)Outer unlocking cam is fixed in setting(109)On, V-arrangement connecting rod(108)One end and outer unlocking cam(109)Hinge Chain connection, the other end and locking bar(106)Chain connection, V-arrangement connecting rod(108)Bottom pass through pitman pin(114)Under lock core Plate(111)Chain connection, V-arrangement connecting rod(108)Can be around pitman pin(114)In lock core lower plate(111)On horizontally rotate;The lock Core lower plate(111)It is provided with the first lock rod spring fixed seat with preceding latch arm hole(120-1), with rear latch arm hole second lock Bar spring fixed seat(120-2), locking bar(106)Sequentially pass through the first lock rod spring fixed seat(120-1)Preceding latch arm hole, second Lock rod spring fixed seat(120-2)Rear latch arm hole after pass through V-arrangement connecting rod(108)With outer unlocking cam(109)It is connected;
The locking bar(106)Near V-arrangement connecting rod(108)Part be provided with drawback lock cam path(118), drawback lock cam path (118)It is provided with drawback lock cam(107), drawback lock cam(107)By screw(119)It is connected to the drawback lock cam path of locking bar (118)It is interior, drawback lock cam(107)In drawback lock cam path(118)It is interior can be around screw(121)Rotate;Drawback lock cam(107) The lock core lower plate of bottom(111)Push-rod hole is provided with, push rod is installed with push-rod hole(112), push rod(112)With drawback lock cam (107)Face contacts;
Key rotation external-open lock pin during external-open(110), make outer unlocking cam(109)Together rotate, drive V-arrangement connecting rod(108) Rotate, drive locking bar(106)Along the first lock rod spring fixed seat(120-1), the second lock rod spring fixed seat(120-2)Contracting Return, so that locking bar(106)From port lid circle(104)Lockhole(105)Inside exit, complete the outside unlocking of port lid;When inside opening, promote Push rod(112)Make drawback lock cam(107)Rotate, drawback lock cam(107)Locking bar is driven during rotation(106)Contracting Return, so that locking bar(106)From port lid circle(104)Lockhole(105)Inside exit, the inside for completing port lid is unlocked.
2. unlocking mechanism inside and outside a kind of port lid according to claim 1, it is characterised in that:The port lid circle(104)With it is upper Lid(101)Port lid spring is provided with hinge(103), work as locking bar(106)Bounce back from lockhole(105)When exiting, port lid circle(104)On Port lid spring(103)By upper lid(101)Ejection.
3. unlocking mechanism inside and outside a kind of port lid according to claim 1, it is characterised in that:The push rod(112)One end It is provided with push rod support(119), push rod(112)On be cased with push rod spring(113), push rod spring(113)It is placed in lock core lower plate(111)With Push rod support(119)Between.
4. unlocking mechanism inside and outside a kind of port lid according to claim 1, it is characterised in that:The upper lid(101), port lid circle (104)Shape be circle.
CN201621149980.2U 2016-10-24 2016-10-24 Unlocking mechanism inside and outside a kind of port lid CN206267664U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621149980.2U CN206267664U (en) 2016-10-24 2016-10-24 Unlocking mechanism inside and outside a kind of port lid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621149980.2U CN206267664U (en) 2016-10-24 2016-10-24 Unlocking mechanism inside and outside a kind of port lid

Publications (1)

Publication Number Publication Date
CN206267664U true CN206267664U (en) 2017-06-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621149980.2U CN206267664U (en) 2016-10-24 2016-10-24 Unlocking mechanism inside and outside a kind of port lid

Country Status (1)

Country Link
CN (1) CN206267664U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107975304A (en) * 2017-11-20 2018-05-01 中国运载火箭技术研究院 A kind of lid locking device based on linkage mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107975304A (en) * 2017-11-20 2018-05-01 中国运载火箭技术研究院 A kind of lid locking device based on linkage mechanism
CN107975304B (en) * 2017-11-20 2019-11-12 中国运载火箭技术研究院 A kind of lid locking device based on linkage mechanism

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