CN216811292U - Lock with double-hook bolt - Google Patents

Abstract

The utility model discloses a lock with a double-hook bolt, which comprises a lock carrier, a lock front plate and a bolt lock, wherein the inner side of the lock front plate is provided with a lock hole, a lock cavity, a lock catch, a secondary lock catch and a secondary lock catch groove, wherein the lock hole penetrates through the lock front plate from top to bottom; an inner cavity is formed in the inner side of a tongue lock with a regular traditional shape, and a plurality of groups of secondary lock catches extending outwards are rotatably connected to one side end face of the tongue lock to form a double-hook lock catch, so that the locking control of the opening and closing direction of a door can be realized, the locking control of the opposite direction of a main lock and an auxiliary lock can also be realized, the locking direction is further improved, and the safety of the door is ensured; moreover, in the use process, the first secondary lock and the second secondary lock catch with different lengths are matched to realize the locking of the inner side of the main lock and the inner side of the auxiliary lock, the locking strength is enhanced, the top plate positioned on the lower side of the lock catch is adopted, the lock catch is convenient to recover, and the operation is more convenient.

Description

Lock with double-hook bolt

Technical Field

The utility model relates to the field of correction equipment, in particular to a lock with a double-hook bolt.

Background

The large door lock, also called a door lock for home entry, is a lock (excluding an indoor door lock) equipped on a main door of a whole building leading to the outside, and is usually extremely firm due to the particularity of the position of the large door lock, and the commonly used large door lock comprises an anti-theft door lock, a glass door lock and the like. The lock body of big lock generally has three kinds of bolts such as main bolt, oblique bolt, insurance bolt, can open oblique bolt through rotating the door handle, can open main bolt and oblique bolt through the key, and in daily use, mainly use main bolt and oblique bolt to lock and carry out the theftproof.

The existing lock body adopts a main lock body as a mode for realizing locking, utilizes a tongue lock arranged on the inner side of the main lock body, and realizes that the tongue lock can stretch and retract into the inner side of a lock hole of an auxiliary lock by controlling a poking column of the tongue lock. However, the tongue locks in the prior art all adopt a regular-shaped cylinder or a regular-shaped square, can only lock in a single direction, and have the disadvantages of unsatisfactory locking effect, insufficient use convenience and insufficient safety.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a lock with a double-hook bolt, which solves the problems that the bolt lock in the prior art adopts a cylinder with a regular shape or a square with a regular shape, can only lock a single direction, has an unsatisfactory locking effect, is not convenient to use and has insufficient safety.

The technical scheme adopted by the utility model is as follows: the utility model provides a lock that possesses double hook spring bolt, includes the lock carrier, locks the front bezel, and the tongue lock, the lockhole that runs through about lock front bezel inboard is equipped with, the lockhole just is located lock front bezel downside terminal surface is equipped with lock carrier, lock carrier inboard is equipped with the opening lock inner chamber outwards, lock inner chamber inboard sliding connection has the tongue lock to sliding connection in the lockhole is inboard, the opening hasp inner chamber that runs through about the tongue lock inboard is equipped with, hasp inner chamber inboard upper wall opening side rotates and is connected with the hasp, the hasp is kept away from a side end face at hasp inner chamber center is equipped with the outside second grade hasp that extends of multiunit, and is two sets of adjacent form a second grade hasp groove between the second grade hasp.

Further, the secondary lock catch comprises a second secondary lock catch positioned on the upper side of the secondary lock catch groove; the secondary lock catch also comprises a first secondary lock catch positioned on the lower side of the secondary lock catch groove.

Furthermore, the lock cavity inner side rear wall and be located the lockhole downside be equipped with to for the lock cavity is two sets of roof that bilateral symmetry extends forward.

Further, tongue lock downside is equipped with downwardly extending's connecting plate, the connecting plate downside is equipped with tongue lock control, tongue lock control includes first control, integration board, second control, first control right side is equipped with first reset spring, first reset spring left side just is located be equipped with first spacing post on the first control, second control right side is equipped with second reset spring, second reset spring left side just is located be equipped with the spacing post of second on the second control, first control with be equipped with between the second control integration board, and tongue lock control right side just is located rotate on the lock cavity inboard rear wall and be connected with the tongue lock and stir the post, the tongue lock is stirred and is equipped with the protruding plectrum that multiunit length is different on the post.

Further, the spacing groove that runs through around the lock cavity inner side back wall is equipped with, the spacing inslot side is equipped with keeps away from the bellied circular arc ear of post is stirred to the tongue lock, spacing inslot side sliding connection have and fixed connection in first spacing post, the spacing post of second on the tongue lock control.

Furthermore, a limiting track groove which penetrates through the lock cavity is formed in the rear wall of the inner side of the lock cavity, and a track limiting column located on the tongue lock control piece is connected to the inner side of the limiting track groove in a sliding mode.

Furthermore, a lock rear cover is detachably mounted on one side of the opening of the lock inner cavity.

Compared with the prior art, the utility model has the following beneficial effects: an inner cavity is formed in the inner side of a tongue lock with a regular traditional shape, and a plurality of groups of secondary lock catches extending outwards are rotatably connected to one side end face of the tongue lock to form a double-hook lock catch, so that the locking control of the opening and closing direction of a door can be realized, the locking control of the opposite direction of a main lock and an auxiliary lock can also be realized, the locking direction is further improved, and the safety of the door is ensured; moreover, in the use process, the first secondary lock and the second secondary lock catch with different lengths are matched to realize the locking of the inner side of the main lock and the inner side of the auxiliary lock, the locking strength is enhanced, the top plate positioned on the lower side of the lock catch is adopted, the lock catch is convenient to recover, and the operation is more convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall construction of the present invention;

FIG. 3 is a rear perspective view of the overall structure of the present invention;

fig. 4 is a view showing the structure of the rear cover of the integral lock of the present invention.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

In the figure, lock carrier-11; secondary lock catch-101; lock cavity-12; a rear lock cover-102; a top plate-13; a lock front plate-15; a keyhole-105; a lock catch inner cavity-16; a lock catch-17; a first secondary locking fastener-107; a secondary locking groove-108; a second secondary locking fastener-109; a tongue lock-18; a connecting plate-22; a first restraint post-24; a second limit post-25; a limiting track groove-26; a limiting groove-27; a rotating shaft-28; a tongue lock toggle column-29; a first return spring-31; a second return spring-32; a track limiting column-33; tongue lock control-34; a first control-35; a second control-36; integration plate-37.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-4, the lock with a double-hook bolt of the present invention includes a lock carrier 11, a lock front plate 15, a bolt lock 18, wherein a lock hole 105 penetrating through the lock hole from top to bottom is formed in the inner side of the lock front plate 15, the lock carrier 11 is arranged on the lock hole 105 and on the lower side end surface of the lock front plate 15, a lock cavity 12 with an outward opening is formed in the inner side of the lock carrier 11, the bolt lock 18 is slidably connected to the inner side of the lock cavity 12 and slidably connected to the inner side of the lock hole 105, an open lock cavity 16 penetrating through the lock hole from left to right is formed in the inner side of the bolt lock 18, a lock catch 17 is rotatably connected to the inner side upper wall opening side of the lock catch cavity 16, a plurality of sets of secondary lock catches 101 extending outward are arranged on the side end surface of the lock catch 17 away from the center of the lock catch cavity 16, a secondary lock catch groove 108 is formed between two adjacent secondary lock catches 101, and in the use, the lock carrier 11 and the lock front plate 15 constitute a basic carrier of a lock body, in the process, by controlling the tongue lock 18 which is arranged on the inner side of the lock carrier 11 in a sliding connection manner and controlling the length of the tongue lock 18 extending out of the inner side of the lock hole 105, the matching insertion into the inner side of the auxiliary lock is realized, and the aim of locking the door is achieved.

Specifically, the secondary lock catch 101 includes a second secondary lock catch 109 located on the upper side of the secondary lock catch groove 108;

the secondary lock catch 101 further comprises a first secondary lock catch 107 located on the lower side of the secondary lock catch groove 108, the first secondary lock catch 107 arranged on the secondary lock catch extends out of an opening of the lock catch inner cavity 16, the secondary lock catch groove 108 is located on the inner side of the lock catch inner cavity 16, the extending length of the first secondary lock catch 107 located on the lower side is larger than the extending length of a second secondary lock catch 109 located on the upper side, when the opening of the tongue lock 18 slides on the inner side of the lock hole 105 and extends out of the inner side of the lock rear cover 102, the first secondary lock catch 107 located on the inner side of the lock catch inner cavity 16 at the extending position starts to abut against the lower side end face of the lock front plate 15, and then resistance occurs, so that the lock catch 17 rotates along the rotating shaft 28 arranged, the second secondary lock catch 109 rotates out of the inner side of the lock catch inner cavity 16 to enter the inner side of the mutually matched secondary lock, and the purpose of secondary locking is achieved.

Specifically, the rear wall of the inner side of the lock cavity 12 is located on the lower side of the lock hole 105, and two sets of top plates 13 extending forwards are bilaterally symmetrical about the lock cavity 12 as a center, and when the lock is locked, the two sets of top plates 13 are used for applying an upward force to one end, away from the center of the tongue lock 18, of the first secondary lock catch 107, so that the purpose of recovering the second secondary lock catch 109 to the inner side of the lock cavity 16 is achieved.

In this embodiment, it is noted that the lower side of the tongue lock 18 is provided with a connecting plate 22 extending downward, the lower side of the connecting plate 22 is provided with a tongue lock control member 34, the tongue lock control member 34 includes a first control member 35, an integration plate 37 and a second control member 36, the right side of the first control member 35 is provided with a first return spring 31, the left side of the first return spring 31 is located on the first control member 35 and provided with a first limit post 24, the right side of the second control member 36 is provided with a second return spring 32, the left side of the second return spring 32 is located on the second control member 36 and provided with a second limit post 25, the integration plate 37 is arranged between the first control member 35 and the second control member 36, the right side of the tongue lock control member 34 is located on the rear wall of the inner side of the lock cavity 12 and is rotatably connected with a tongue lock toggle post 29, the tongue lock toggle post 29 is provided with a plurality of protruding toggle pieces having different lengths, the connecting plate 22 is continuously arranged on the lower side of the arranged tongue lock 18 to increase the length of the tongue lock 18, so as to achieve the purpose of dividing the tongue lock control member 34 arranged on the lower side into three parts, thereby increasing the control flexibility and sensitivity, meanwhile, the tongue lock toggle column 29 is rotated to enable a plurality of groups of convex toggle pieces with different lengths to firstly push against the right side of the first control member 35 and to move leftwards, so that the first return spring 31 in the first control member is extruded, and the rotating toggle pieces can also push out the connecting plate 22 to enable the connecting plate 22 to generate upward displacement, thereby achieving the purpose of controlling the inner side of the tongue lock 18 extending part with the secondary lock catch 101 which is mutually connected on the upper side, achieving the purpose of controlling the entry of the lock tongue, and utilizing the arranged spring, when the first control member 35 moves upwards for a certain displacement, losing the control of the toggle pieces, and achieving the return effect of the first return spring 31, the spring is restored to the original shape, so that the next action of the plectrum is facilitated; when the first control element 35 moves upwards, the second control element 36 on the lower side moves upwards at the same time, is positioned at the position of the original first control element 35, and continues to be controlled by the tongue lock toggle column 29 to move upwards, so that the tongue lock 18 is moved out for the second time, and the purpose of rotating out the built-in secondary lock catch 101 is achieved.

Referring to fig. 1 and 3, more clearly showing, the spacing groove 27 that runs through around the lock inner chamber 12 inboard back wall is equipped with, spacing groove 27 inboard is equipped with keeps away from the bellied circular arc ear of post 29 is stirred to the tongue lock, spacing groove 27 inboard sliding connection have and fixed connection in first spacing post 24 on the tongue lock control piece 34, the spacing post 25 of second utilize the spacing post 25 of second, first spacing post 24 that set up at its spacing groove 27 inboard sliding connection, when it when the tongue lock control piece 34 receives the control rebound of tongue lock stirring post 29, utilize the bellied ear that sets up to block first spacing post 24 and the spacing post 25 of second, when preventing to set up the effect that tongue lock control piece 34 made its tongue lock stirring post 29, the phenomenon that takes place to reset.

Referring to fig. 3, more specifically, in order to ensure that the tongue-lock control member 34 pushes the upper connecting plate 22 to avoid the phenomenon of deviation, the rear wall of the inner side of the lock cavity 12 is provided with a front-rear penetrating limiting track groove 26, the inner side of the limiting track groove 26 is slidably connected with a track limiting post 33 located on the tongue-lock control member 34, and in the process of the operation of the tongue-lock control member 34, the track of the track limiting post 33 is controlled by the arranged limiting track groove 26, so as to prevent the phenomenon of deviation.

Referring to fig. 4, a lock rear cover 102 is detachably mounted on one side of the opening of the lock inner cavity 12, and the lock rear cover 102 is mounted on the opening of the lock inner cavity 12, so that the lock inner cavity 12 forms a complete inner cavity to protect the structure mounted on the inner side.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. The utility model provides a lock that possesses double hook spring bolt, includes the lock carrier, locks the front bezel, and the tongue lock, the lock front bezel inboard is equipped with the lockhole that runs through from top to bottom, the lockhole just is located lock front bezel downside terminal surface is equipped with lock carrier, lock carrier inboard is equipped with the opening lock inner chamber outwards, lock inner chamber inboard sliding connection has the tongue lock to sliding connection in the lockhole is inboard, its characterized in that, the opening hasp inner chamber that runs through about the tongue lock inboard is equipped with, hasp inner chamber inboard upper wall opening side rotates and is connected with the hasp, the hasp is kept away from a side end face at hasp inner chamber center is equipped with the outside second grade hasp that extends of multiunit, and is two sets of adjacent form a second grade hasp groove between the second grade hasp.

2. The lock with a double hook bolt of claim 1, wherein the secondary shackle comprises a second secondary shackle located on an upper side of the secondary shackle slot; the secondary lock catch also comprises a first secondary lock catch positioned on the lower side of the secondary lock catch groove.

3. The lock with the double hook bolt of claim 1 or 2, wherein the lock cavity is provided with a rear wall at the inner side of the lock cavity and at the lower side of the lock hole, and two sets of top plates are arranged and extend forwards in a left-right symmetrical manner around the lock cavity.

4. A lock with a double hook bolt according to claim 1 or 2, a connecting plate extending downwards is arranged at the lower side of the tongue lock, a tongue lock control piece is arranged at the lower side of the connecting plate, the tongue lock control piece comprises a first control piece, an integration plate and a second control piece, a first return spring is arranged on the right side of the first control piece, a first limit post is arranged on the first control part and on the left side of the first return spring, a second return spring is arranged on the right side of the second control part, a second limiting column is arranged on the second control piece and on the left side of the second return spring, the integration plate is arranged between the first control piece and the second control piece, and the right side of the tongue lock control part is positioned on the rear wall of the inner side of the lock cavity and is rotatably connected with a tongue lock toggle column, and a plurality of groups of convex toggle pieces with different lengths are arranged on the tongue lock toggle column.

5. The lock with the double-hook bolt of claim 4, wherein the inner rear wall of the lock cavity is provided with a front limiting groove and a rear limiting groove, the front limiting groove and the rear limiting groove penetrate through the rear wall, the inner side of the limiting groove is provided with an arc lug part far away from the bolt lock toggle column, and the inner side of the limiting groove is slidably connected with and fixedly connected with the first limiting column and the second limiting column on the bolt lock control member.

6. The lock of claim 5, wherein the rear wall of the inner cavity of the lock cavity is provided with a front-back through limiting track groove, and a track limiting column on the control element of the tongue lock is slidably connected to the inner side of the limiting track groove.

7. The lock with the double hook bolt of claim 6, wherein a lock back cover is detachably mounted on one side of the opening of the lock cavity.

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