CN217300155U

CN217300155U - Mechanical lockset for well lid

Info

Publication number: CN217300155U
Application number: CN202123395229.4U
Authority: CN
Inventors: 张枫
Original assignee: Shenyang Jingyi Hydraulic Technology Co ltd
Current assignee: Shenyang Jingyi Hydraulic Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-26
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to a mechanical lock field discloses a mechanical tool to lock for on well lid, including the stationary seat circle, stationary seat circle inboard bottom is connected with the mechanical lock body through the fixed plate, there is the removable cover through hinged joint on the stationary seat circle, removable cover left side top is provided with the hasp, removable cover left side middle part is provided with the helping hand structure, the fixed plate upper end is provided with the lock cover, lock cover top middle part is provided with inside locking bar, inside locking bar runs through the bottom and is connected with first jam plate, the right side of first jam plate is provided with first pivot, first jam plate right side middle part is provided with the second jam plate, second jam plate right side middle part is provided with the second pivot. The utility model discloses in, removable cover opens, then loosens inside locking release lever, and inside locking release lever resumes initial position, and the mechanical lock resumes to close the lock state, has realized that this mechanical lock can make the well lid open inside and outside can.

Description

Mechanical lockset for well lid

Technical Field

The utility model relates to a mechanical lock field especially relates to a mechanical lockset for on well lid.

Background

The mechanical lock is a security facility, which is invented by human for protecting own property and can be unlocked only by using key. Mechanical lock is used for preventing that article from being opened, removing and have the effect of protection, management even decoration concurrently, and utility tunnel well lid of fleing is mostly all installed the protection lock now, for the leakproofness and the theftproof nature of guaranteeing the well lid, and the structure of pickproof lock is the weight of in the top.

The existing mechanical lock often has a defect in the using process, and the mechanical lock used on the well lid does not realize the sealing and inside and outside opening effects of the well lid.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a mechanical lockset used on a well lid.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a mechanical lock for on well lid, includes the stationary race, stationary race inboard bottom is connected with the mechanical lock body through the fixed plate, the stationary race has the removable cover through hinged joint, removable cover left side top is provided with the hasp, removable cover left side middle part is provided with the helping hand structure, the fixed plate upper end is provided with the lock cover, lock cover top middle part is provided with inside unlocking lever, inside unlocking lever runs through the bottom and is connected with first jam plate, the right side of first jam plate is provided with first pivot, first jam plate right side middle part is provided with the second jam plate, second jam plate right side middle part is provided with the second pivot.

As a further description of the above technical solution:

the hinge is arranged at the lower end of the left side of the movable cover plate.

As a further description of the above technical solution:

an outer lock hole is formed in the middle of the front side of the lock cover.

As a further description of the above technical solution:

and an external unlocking shifting sheet is arranged at the lower end of the internal unlocking rod.

As a further description of the above technical solution:

and a first torsion spring is arranged outside the second rotating shaft.

As a further description of the above technical solution:

and a second torsion spring is arranged outside the first rotating shaft.

As a further description of the above technical solution:

the mechanical lock body is connected with a movable cover plate through a power assisting structure.

The utility model discloses following beneficial effect has:

in the utility model, firstly, the external unlocking poking piece is driven to rotate anticlockwise by inserting the unlocking key into the external unlocking hole from the outside of the movable cover plate, the external unlocking poking piece contacts the lower end of the internal unlocking rod to drive the first lock plate to rotate clockwise until the front end of the second lock plate completely leaves the groove of the first lock plate, the second lock plate rotates anticlockwise by taking the second rotating shaft as the axis under the torsion of the first torsion spring, the lock catch is separated from the restriction of the second lock plate, the lock catch is separated from the mechanical lock, the movable cover plate is opened, the key is pulled out, the mechanical lock is recovered to the locking state, the internal unlocking rod is stirred to drive the first lock plate to rotate clockwise until the front end of the second lock plate completely leaves the groove of the first lock plate, the second lock plate rotates anticlockwise by taking the second rotating shaft as the axis under the torsion of the first torsion spring, the lock catch is separated from the restriction of the second lock plate, and the mechanical lock is separated, the movable cover plate is opened, then the internal unlocking rod is loosened, the internal unlocking rod is restored to the initial position, the mechanical lock is restored to the locking state, and the mechanical lock can enable the well lid to be opened inside and outside.

Drawings

Fig. 1 is an internal structure view of a mechanical lock body of a mechanical lock for a well lid according to the present invention;

fig. 2 is a schematic view of the installation of the mechanical lock main body of the mechanical lock for the well lid of the present invention;

fig. 3 is an external structure view of a mechanical lock body of a mechanical lock for a well lid according to the present invention;

fig. 4 is a top view of the internal structure of the mechanical lock body of the mechanical lock for the well lid according to the present invention;

fig. 5 is the utility model provides a mechanical lock main part inner structure side view that is used for mechanical tool to lock on well lid.

Illustration of the drawings:

1. a mechanical lock body; 2. a power-assisted structure; 3. fixing the seat ring; 4. a hinge structure; 5. a removable cover plate; 6. locking; 7. opening a lock hole outside; 8. a lock housing; 9. an internal unlocking lever; 10. a fixing plate; 11. a first lock plate; 12. a first rotating shaft; 13. a second rotating shaft; 14. a second lock plate; 15. a first torsion spring; 16. a second torsion spring; 17. an external unlocking plectrum.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: a mechanical lock for a well lid comprises a fixed seat ring 3, the bottom of the inner side of the fixed seat ring 3 is connected with a mechanical lock body 1 through a fixed plate 10, the fixed seat ring 3 is connected with a movable cover plate 5 through a hinge structure 4, the top of the left side of the movable cover plate 5 is provided with a lock catch 6, the middle part of the left side of the movable cover plate 5 is provided with a power assisting structure 2, the upper end of the fixed plate 10 is provided with a lock cover 8, the middle part of the top end of the lock cover 8 is provided with an internal unlocking rod 9, the internal unlocking rod 9 penetrates through the bottom and is connected with a first lock plate 11, the right side of the first lock plate 11 is provided with a first rotating shaft 12, the middle part of the right side of the first lock plate 11 is provided with a second lock plate 14, the middle part of the right side of the second lock plate 14 is provided with a second rotating shaft 13, an unlocking key is inserted into an external unlocking hole 7 from the outside of the movable cover plate 5, the unlocking key is rotated anticlockwise to drive an external unlocking plectrum 17 to rotate anticlockwise, the external unlocking plectrum 17 contacts the lower end of the internal unlocking rod 9, the first lock plate 11 is driven to rotate clockwise until the front end of the second lock plate 14 completely leaves the groove of the first lock plate 11, the second lock plate 14 rotates anticlockwise by taking the second rotating shaft 13 as an axis under the torque force of a first torsion spring 15, the lock catch 6 is separated from the limit of the second lock plate 14, the lock catch 6 is separated from the mechanical lock, the movable cover plate 5 is opened, the key is pulled out, the mechanical lock is recovered to a closed state, the internal unlocking rod 9 is pulled, the first lock plate 11 is driven to rotate clockwise until the front end of the second lock plate 14 completely leaves the groove of the first lock plate 11, the second lock plate 14 rotates anticlockwise by taking the second rotating shaft 13 as an axis under the torque force of the first torsion spring 15, the lock catch 6 is separated from the limit of the second lock plate 14, the lock catch 6 is separated from the mechanical lock, and the movable cover plate 5 is opened, then, the internal unlocking rod 9 is loosened, the internal unlocking rod 9 is restored to the initial position, and the mechanical lock is restored to the locking state, so that the mechanical lock can enable the inside and the outside of the well cover to be opened.

Hinge structure 4 sets up the left side lower extreme at

removable cover

5, 8 front sides middle parts of lock cover are provided with outside unlocking

hole

7, 9 lower extremes of inside unlocking lever are provided with outside plectrum 17 of unblanking, outside plectrum 17 of unblanking can drive second jam plate 14 and rotate, second pivot 13 outside is provided with first torsion spring 15, first pivot 12 outside is provided with second torsion spring 16, the torsion spring can be for first jam plate 11 and second jam plate 14 provide torsion, mechanical lock body 1 is connected with removable cover 5 through helping hand structure 2.

The working principle is as follows: when the movable cover plate 5 is closed, the lock catch 6 is inserted into the lock cover 8 to touch the second lock plate 14, the second lock plate 14 rotates clockwise with the second rotating shaft 13 as an axis and touches the first lock plate 11, the first lock plate 11 rotates clockwise with the first rotating shaft 12 as an axis, when the second lock plate 14 rotates into the groove of the first lock plate 11, the movable cover plate 5 is just completely closed, and simultaneously the first lock plate 11 rotates anticlockwise under the reverse acting force of the second torsion spring 16 until the groove of the first lock plate 11 is completely attached to the front end of the second lock plate 14, the lock plate is clamped in the groove, at this moment, the mechanical lock is in a closed state, the well cover cannot be opened, the external unlocking key is inserted into the external unlocking hole 7 from the outside of the movable cover plate 5 to rotate anticlockwise, the external unlocking dial 17 is driven to rotate, the external unlocking dial 17 contacts the lower end of the internal unlocking rod 9 to drive the first lock plate 11 to rotate anticlockwise, until the front end of the second lock plate 14 completely leaves the groove of the first lock plate 11, the second lock plate 14 rotates counterclockwise around the second rotating shaft 13 as an axis under the torque force of the first torsion spring 15, the lock catch 6 is separated from the restriction of the second lock plate 14, the lock catch 6 is separated from the mechanical lock, the movable cover plate 5 is opened, the key is pulled out, the mechanical lock returns to the lock closing state, the internal unlocking rod 9 is pulled to drive the first lock plate 11 to rotate clockwise until the front end of the second lock plate 14 completely leaves the groove of the first lock plate 11, the second lock plate 14 rotates counterclockwise around the second rotating shaft 13 under the torque force of the first torsion spring 15, the lock catch 6 is separated from the restriction of the second lock plate 14, the lock catch 6 is separated from the mechanical lock, the movable cover plate 5 is opened, then the internal unlocking rod 9 is released, the internal unlocking rod 9 returns to the initial position, and the mechanical lock returns to the lock closing state.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a mechanical lock for on well lid, includes fixed seat circle (3), its characterized in that: the utility model discloses a mechanical lock, including fixed seat circle (3), movable cover, fixed seat circle (5), movable cover (5) and power-assisted structure (2), fixed seat circle (3) inboard bottom is connected with mechanical lock body (1) through fixed plate (10), fixed seat circle (3) is connected with removable cover (5) through hinge structure (4), removable cover (5) left side top is provided with hasp (6), removable cover (5) left side middle part is provided with helping hand structure (2), fixed plate (10) upper end is provided with lock cover (8), lock cover (8) top middle part is provided with inside locking bar (9), inside locking bar (9) run through the bottom and are connected with first jam plate (11), the right side of first jam plate (11) is provided with first pivot (12), first jam plate (11) right side middle part is provided with second jam plate (14), second jam plate (14) right side middle part is provided with second pivot (13).

2. The mechanical lock for the manhole cover according to claim 1, wherein: the hinge structure (4) is arranged at the lower end of the left side of the movable cover plate (5).

3. The mechanical lock for the manhole cover according to claim 1, characterized in that: an external unlocking hole (7) is formed in the middle of the front side of the lock cover (8).

4. The mechanical lock for the manhole cover according to claim 1, wherein: the lower end of the internal unlocking rod (9) is provided with an external unlocking shifting sheet (17).

5. The mechanical lock for the manhole cover according to claim 1, wherein: and a first torsion spring (15) is arranged outside the second rotating shaft (13).

6. The mechanical lock for the manhole cover according to claim 1, wherein: and a second torsion spring (16) is arranged outside the first rotating shaft (12).

7. The mechanical lock for the manhole cover according to claim 1, wherein: the mechanical lock body (1) is connected with a movable cover plate (5) through a power assisting structure (2).