CN217028467U - Lock body with flexibly opened top and bottom hook - Google Patents

Abstract

The utility model discloses a lock body with a flexible load-bearing opening of a ground hook, which comprises a lock shell, a lock tongue assembly and at least one ground hook. The lock bolt component can be arranged in the lock shell in a left-right sliding manner; the top and bottom hook is arranged in the lock shell in a vertically sliding manner and is positioned on the front side or the rear side of the lock tongue component, one of the top and bottom hook and the lock tongue component is provided with a toggle column, the other of the top and bottom hook and the lock tongue component is provided with a drive groove, and one end of the toggle column is embedded in the drive groove and is matched with the drive groove, so that the lock tongue component can drive the top and bottom hook to move; the right end of the spring bolt assembly can be moved to the outside of the lock shell, the driving groove comprises a first guide groove and a second guide groove, the first guide groove is located on the right side of the second guide groove, the left end of the first guide groove is communicated with the right end of the second guide groove, and an included angle alpha between the second guide groove and the left-right direction is smaller than an included angle beta between the first guide groove and the left-right direction. The lock body with the flexible opening of the top and bottom hook by load can relatively easily and flexibly drive the auxiliary lock to open by utilizing the top and bottom hook.

Description

Lock body with flexibly opened top and bottom hook

Technical Field

The utility model relates to the technical field of lock bodies, in particular to a lock body with a flexible opening load of a hook on the ground.

Background

Some existing lock bodies such as a great overlord lock are generally provided with a top and bottom hook, the top and bottom hook is in transmission connection with an auxiliary lock on a door, the top and bottom hook is in transmission connection with a square bolt of the lock body, in the unlocking process, the square bolt retracts to drive the top and bottom hook to move, and then the top and bottom hook drives the auxiliary lock to be unlocked. Generally, during the unlocking process, as the handle or key is turned, it becomes increasingly inconvenient for the user to apply force to turn the handle or key. In the existing lock body, the secondary lock needs to be driven by the top and bottom hook to be unlocked, and the top and bottom hook is in a load bearing state when moving, so that in the unlocking process, a user needs to spend more effort to rotate the handle or the key so as to enable the dead bolt to move and drive the top and bottom hook to move, and as the handle or the key rotates to an angle at which the effort is inconvenient to apply, the user continues to rotate the handle or the key so as to be difficult, the unlocking is laborious and not flexible and convenient, and people with weak effort such as old people or children are difficult to unlock.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the lock body with the flexible opening of the top and bottom hook by loading, and the secondary lock can be driven to open by the top and bottom hook relatively easily and flexibly.

According to the embodiment of the utility model, the lock body with the flexible weight-bearing opening of the top and bottom hook comprises a lock shell, a lock tongue assembly and at least one top and bottom hook. The lock bolt assembly can be arranged in the lock shell in a left-right sliding manner; the top and bottom hook is arranged in the lock shell in a vertically sliding manner and is positioned on the front side or the rear side of the lock tongue component, one of the top and bottom hook and the lock tongue component is provided with a toggle column, the other of the top and bottom hook and the lock tongue component is provided with a drive groove, and one end of the toggle column is embedded in the drive groove and is matched with the drive groove, so that the lock tongue component can drive the top and bottom hook to move; the right end of the bolt assembly can move to the outside of the lock shell, the driving groove comprises a first guide groove and a second guide groove, the first guide groove is located on the right side of the second guide groove, the left end of the first guide groove is communicated with the right end of the second guide groove, and an included angle alpha between the second guide groove and the left and right directions is smaller than an included angle beta between the first guide groove and the left and right directions.

The lock body with the flexibly opened top and bottom hooks in the embodiment of the utility model at least has the following beneficial effects: through the cooperation of stirring post and drive groove, when the spring bolt subassembly removed, stir the post and will remove along the drive groove, from this the spring bolt subassembly can drive the world hook and remove, wherein, the contained angle alpha between second guide slot and the left and right sides orientation is less than the contained angle beta between first guide slot and the left and right sides orientation, from this, stir post and second guide slot cooperation drive the required dynamics of world hook removal and be less than stir post and the required dynamics of first guide slot cooperation drive day hook removal, the in-process of unblanking, when handle or key rotate to the inconvenient angle of exerting strength, stir nail and the cooperation of second guide slot this moment, then, the user can spend relatively less strength to continue to rotate handle or key, thereby can open the lock body and utilize the world hook to drive the secondary lock and open, and the process of unblanking is relatively light, flexibility, convenience.

According to some embodiments of the present invention, the first guide groove and the second guide groove form a transition groove where they communicate with each other, and the transition groove is disposed in a left-right direction.

According to some embodiments of the utility model, the driving groove is arranged on the ground hook, one end of the toggle column is connected to the bolt assembly, a third guide groove is arranged on the lock shell along the left-right direction, and the other end of the toggle column sequentially penetrates through the driving groove and the third guide groove.

According to some embodiments of the utility model, a guide structure is arranged between the ground hook and the lock shell.

According to some embodiments of the present invention, the guide structure includes a first guide groove, a second guide groove, a first guide member, and a second guide member, the first guide groove and the second guide groove being disposed in an up-down direction; one of the first guide groove and the first guide piece is arranged on the lock shell, the other one of the first guide groove and the first guide piece is arranged on the ground hook, and the first guide piece is inserted into the first guide groove; one of the second guide groove and the second guide piece is arranged on the lock shell, the other one of the second guide groove and the second guide piece is arranged on the ground hook, and the second guide piece is inserted into the second guide groove.

According to some embodiments of the utility model, the second guide groove is arranged on the top and bottom hook, one end of the second guide piece penetrates through the second guide groove and is connected with the lock shell, the other end of the second guide piece is provided with a first step for limiting the top and bottom hook to shake forwards and backwards, and the diameter of the first step is larger than the width of the second guide groove.

According to some embodiments of the utility model, the first guide slot is disposed on the lock housing, the first guide member is disposed on the ground hook, and the second guide member and the first guide member are respectively disposed on upper and lower sides of the driving slot.

According to some embodiments of the utility model, the toggle column is connected to the bolt assembly, the driving groove is formed in the top and bottom hook, a second step for limiting the top and bottom hook to swing back and forth is arranged on the periphery of the toggle column, and the diameter of the second step is larger than the width of the driving groove.

According to some embodiments of the utility model, a transmission mechanism for driving the bolt assembly to slide is arranged in the lock shell, the transmission mechanism is in transmission connection with a lock cylinder, and/or the transmission mechanism is in transmission connection with a handle.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a flexible lock body with a hook weight-down lock according to an embodiment of the present invention;

FIG. 2 is an exploded view of a flexible locking body for a hook-and-loop weight-loaded unlocking according to an embodiment of the present invention;

FIG. 3 is a schematic view of a flexible lock body with a hook mounted on the ground (the lock case is hidden and not shown) according to an embodiment of the present invention;

FIG. 4 is a schematic view of a hook according to an embodiment of the present invention;

fig. 5 is a schematic view of a second guide according to an embodiment of the present invention.

Reference numerals are as follows:

the lock case 100, the first case 100a, the second case 100b, the lining plate 100c, the third guide groove 110, the first guide groove 120, the latch bolt assembly 200, the toggle post 300, the second step 310, the top and bottom hook 400, the driving groove 410, the first guide groove 411, the second guide groove 412, the transition groove 413, the second guide groove 420, the first guide piece 510, the second guide piece 520, the first step 521, and the transmission mechanism 600.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless otherwise specifically limited, terms such as set, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions.

Referring to fig. 1 to 4, an embodiment of the utility model provides a lock body with a flexible load-opening hook, which includes a lock housing 100, a latch bolt assembly 200 and at least one hook 400. The bolt assembly 200 is arranged inside the lock case 100 in a left-right sliding manner; the top and bottom hook 400 is slidably arranged in the lock case 100 up and down and is positioned at the front side or the rear side of the bolt assembly 200, one of the top and bottom hook 400 and the bolt assembly 200 is provided with a toggle column 300, the other is provided with a driving groove 410, one end of the toggle column 300 is embedded in the driving groove 410 and is matched with the driving groove 410, so that the bolt assembly 200 can drive the top and bottom hook 400 to move; the right end of the bolt assembly 200 can move to the outside of the lock case 100, the driving groove 410 includes a first guide groove 411 and a second guide groove 412, the first guide groove 411 is located on the right side of the second guide groove 412, the left end of the first guide groove 411 is communicated with the right end of the second guide groove 412, and an included angle α between the second guide groove 412 and the left-right direction is smaller than an included angle β between the first guide groove 411 and the left-right direction. Through the matching of the toggle column 300 and the driving groove 410, the lock tongue assembly 200 can drive the top and bottom hook 400 to move when moving, wherein the included angle α between the second guide groove 412 and the left-right direction is smaller than the included angle β between the first guide groove 411 and the left-right direction, therefore, the force required by the toggle column 300 and the second guide groove 412 to drive the top and bottom hook 400 to move is smaller than the force required by the toggle column 300 and the first guide groove 411 to drive the top and bottom hook 400 to move when rotating to an angle at which force is inconvenient to apply, and the toggle pin is matched with the second guide groove 412 at this time, so that a user can spend relatively small force to continuously rotate the handle or the key, thereby being capable of unlocking the lock body and driving the secondary lock to be unlocked by using the top and bottom hook 400, and the unlocking process is relatively easy, flexible and convenient, and friendly to people with weak force such as old people or children.

Specifically, in some embodiments, referring to fig. 1 to 4, the toggle post 300 may be disposed on the latch bolt assembly 200, and the driving groove 410 is disposed on the ground hook 400; of course, in other embodiments, the toggle post 300 may be disposed on the hook 400, and the driving slot 410 is disposed on the latch bolt assembly 200.

It is conceivable that, referring to fig. 1 to 4, a transition groove 413 is formed at a communication position between the first guide groove 411 and the second guide groove 412, and the transition groove 413 is arranged along the left-right direction, wherein during unlocking, when the toggle post 300 passes through the transition groove 413, the hook 400 is hardly driven to move, and at this time, the load of the rotating handle or key is minimum, so that, compared with the increase of the rotating speed of the handle or key when the toggle post 300 passes through the transition groove 413 when the toggle post 300 is in the first guide groove 411, the rotating speed of the handle or key will be rapidly increased when the toggle post 300 passes through the transition groove 413, and therefore, when the handle or key is rotated to an angle at which force is not convenient to apply, the rotating speed is greatly increased, and it is easier and more flexible to continue to rotate the handle or key. In addition, the transition groove 413 is also arranged to facilitate the movement of the toggle post 300 from the first guide groove 411 to the second guide groove 412.

It is conceivable that, referring to fig. 1 to 4, the driving groove 410 is disposed on the top-bottom hook 400, one end of the toggle post 300 is connected to the latch bolt assembly 200, the third guide groove 110 is disposed on the lock housing 100 along the left-right direction, and the other end of the toggle post 300 sequentially penetrates through the driving groove 410 and the third guide groove 110, wherein the third guide groove 110 can guide the movement of the toggle post 300.

It is conceivable that, with reference to fig. 1 to 4, a guide structure is provided between the hook 400 and the lock housing 100.

Specifically, referring to fig. 1 to 4, the guide structure includes a first guide groove 120, a second guide groove 420, a first guide 510, and a second guide 520, the first guide groove 120 and the second guide groove 420 being disposed in an up-down direction; one of the first guide groove 120 and the first guide 510 is disposed on the lock case 100, and the other is disposed on the ground hook 400, and the first guide 510 is inserted into the first guide groove 120; one of the second guide groove 420 and the second guide 520 is disposed in the lock case 100, the other is disposed in the ground hook 400, and the second guide 520 is inserted into the second guide groove 420. Of course, the above-mentioned guiding structure may be provided in a manner such that, for example, a sliding groove is provided in the lock case 100, the top and bottom hook 400 is slidably provided in the sliding groove, and the left and right side surfaces of the top and bottom hook 400 abut against the inner wall of the sliding groove. Through the above-mentioned guide structure, it can be ensured that the ground hook 400 does not swing left and right in the process of moving in the up-down direction.

It is conceivable that, referring to fig. 1 to 5, the second guide groove 420 is disposed on the top and bottom hook 400, one end of the second guide 520 penetrates through the second guide groove 420 and is connected to the lock case 100, the other end of the second guide 520 is provided with a first step 521 for limiting the top and bottom hook 400 to swing back and forth, the diameter of the first step 521 is larger than the width of the second guide groove 420, and thus, the degree of the top and bottom hook 400 swinging back and forth during the up and down movement process can be reduced by the arrangement of the first step 521.

Specifically, referring to fig. 1 to 4, the first guide groove 120 is disposed in the lock housing 100, the first guide 510 is disposed in the top and bottom hook 400, and the first guide 510 and the second guide 520 are respectively disposed at the upper and lower sides of the driving groove 410 to guide the upper and lower ends of the top and bottom hook 400.

It can be imagined that, referring to fig. 1 to 4, the toggle column 300 is connected to the latch bolt assembly 200, the driving groove 410 is provided in the top and bottom hook 400, the second step 310 for limiting the front and back shaking of the top and bottom hook 400 is provided at the periphery of the toggle column 300, the diameter of the second step 310 is larger than the width of the driving groove 410, through the arrangement of the second step 310 and the first step 521, the front and back shaking degree of the top and bottom hook 400 in the up and down moving process can be further reduced, and the top and bottom hook 400 can move more stably and flexibly.

In the detailed implementation, referring to fig. 1 to 4, a transmission mechanism 600 for driving the sliding of the latch bolt assembly 200 is disposed in the lock housing 100, and the transmission mechanism 600 may be in transmission connection with a lock cylinder for inserting a key, or the transmission mechanism 600 may also be in transmission connection with a handle, or the transmission mechanism 600 may be in transmission connection with a handle and a lock cylinder. It should be noted that the transmission mechanism 600 for driving the sliding movement of the latch bolt assembly 200 is a conventional technical means for those skilled in the art, and therefore, the transmission mechanism 600 will not be described in detail herein.

Referring to fig. 2, in order to facilitate assembly, the lock case 100 includes a first case 100a, a second case 100b and a lining board 100c, the first case 100a covers the front end of the second case 100b, the lining board 100c is connected to the right ends of the first case 100a and the second case 100b, the first case 100a, the second case 100b and the lining board 100c enclose a mounting cavity, the latch bolt assembly 200 and the top-bottom hook 400 are disposed in the mounting cavity, and a plurality of through holes are formed in a side wall of the mounting cavity so that the latch bolt assembly 200 and the top-bottom hook 400 can extend out of the lock case 100.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The present embodiment has been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims (9)

1. A lock body with flexible opening of a top-bottom hook in a load bearing mode is characterized by comprising:

a lock case (100);

the bolt assembly (200) is arranged inside the lock shell (100) in a left-right sliding manner;

the lifting hook is characterized by comprising at least one lifting hook (400) which is arranged inside the lock shell (100) in a vertically sliding mode and is positioned on the front side or the rear side of the bolt assembly (200), one of the lifting hook (400) and the bolt assembly (200) is provided with a shifting column (300), the other one of the lifting hook and the bolt assembly (200) is provided with a driving groove (410), one end of the shifting column (300) is inserted into the driving groove (410), and the shifting column (300) is matched with the driving groove (410) so that the bolt assembly (200) can drive the lifting hook (400) to move;

the right end of the bolt assembly (200) can move to the outside of the lock shell (100), the driving groove (410) comprises a first guide groove (411) and a second guide groove (412), the first guide groove (411) is located on the right side of the second guide groove (412), the first guide groove (411) is communicated with the second guide groove (412), and an included angle alpha between the second guide groove (412) and the left-right direction is smaller than an included angle beta between the first guide groove (411) and the left-right direction.

2. A flexible weight-load-release lock body for a hook according to claim 1, wherein the first guide slot (411) and the second guide slot (412) form a transition slot (413) at the connection point, and the transition slot (413) is arranged along the left-right direction.

3. A lock body with a flexible hook load-opening function according to claim 1, wherein the driving slot (410) is disposed on the hook (400), one end of the toggle column (300) is connected to the latch bolt assembly (200), a third guiding slot (110) is disposed on the lock case (100) along the left-right direction, and the other end of the toggle column (300) sequentially penetrates through the driving slot (410) and the third guiding slot (110).

4. A flexible hook and ground lock body according to claim 1, wherein a guiding structure is arranged between the hook (400) and the lock case (100).

5. The lock body of claim 4, wherein said lock body is a hook-type lock body with flexible weight-bearing opening, and comprises:

the guide structure comprises a first guide groove (120), a second guide groove (420), a first guide piece (510) and a second guide piece (520), and the first guide groove (120) and the second guide groove (420) are arranged along the vertical direction;

one of the first guide groove (120) and the first guide piece (510) is arranged on the lock shell (100), the other is arranged on the ground hook (400), and the first guide piece (510) is inserted into the first guide groove (120);

one of the second guide groove (420) and the second guide member (520) is disposed on the lock case (100), the other is disposed on the ground hook (400), and the second guide member (520) is inserted into the second guide groove (420).

6. A lock body with a flexible weight-bearing opening function for a ground hook according to claim 5, wherein the second guide slot (420) is disposed on the ground hook (400), one end of the second guide member (520) is inserted into the second guide slot (420) and connected to the lock housing (100), the other end of the second guide member (520) is provided with a first step (521) for limiting the ground hook (400) from swinging forward and backward, and the diameter of the first step (521) is greater than the width of the second guide slot (420).

7. A flexible lock body with a hook load-opening function according to claim 6, wherein the first guide slot (120) is disposed on the lock case (100), the first guide member (510) is disposed on the hook load-opening function (400), and the second guide member (520) and the first guide member (510) are respectively disposed on the upper and lower sides of the driving slot (410).

8. A flexible lock body of a hook-and-loop weight-opening of claim 7, characterized in that said toggle post (300) is connected to said latch bolt assembly (200), said driving slot (410) is provided on said hook-and-loop (400), a second step (310) for limiting the forward and backward movement of said hook-and-loop (400) is provided on the periphery of said toggle post (300), and the diameter of said second step (310) is larger than the width of said driving slot (410).

9. A lock body with flexible hook load-opening function according to claim 1, wherein a transmission mechanism (600) for driving the bolt assembly (200) to slide is arranged in the lock case (100), the transmission mechanism (600) is in transmission connection with a lock cylinder, and/or the transmission mechanism (600) is in transmission connection with a handle.

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