CN206801232U - A kind of lock turns tongue transmission mechanism - Google Patents

Abstract

The utility model belongs to the technical field of locks, and relates to a rotary tongue transmission mechanism of a lock, which comprises a lock body panel, a lock case, a cover plate matched with the lock case, a main driving plate located between the lock case and an upper cover, and a lock body mounted on the lock case. The rotary tongue assembly, the oblique bolt assembly and the lock driving mechanism, the lock driving mechanism, the main driving plate and the rotary tongue assembly are respectively connected in sequence, the main driving plate is driven by the lock driving mechanism arranged in the lock housing, and the movement of the main driving plate drives The swivel tongue assembly moves linearly and rotates at the same time; the utility model has the advantage that the lock can be opened or closed by only rotating one circle when unlocking, which saves time and is convenient for unlocking.

Description

Turning tongue transmission mechanism of a lock

technical field

The utility model belongs to the technical field of locks, in particular to a rotary tongue transmission mechanism of a lock.

Background technique

The existing anti-theft door locks are becoming more and more perfect, and the anti-theft performance is also gradually improving. At present, most of the anti-theft locks widely used in the market use straight bolts as the main lock. On the edge of the door and the door frame, the straight bolt is easy to slide out from the lock hole on the door frame, and its anti-prying performance is not strong. In order to solve this problem, people have developed a lock that can be rotated by the bolt. Make the lock tongue inserted into the corresponding hole on the door frame, and the head of the lock tongue is clamped in the hole by rotating the lock tongue. The lock tongue of this structure needs to perform linear motion and rotary motion when it moves, and the transmission structure is complicated. If the dead bolt stretches out of the lock body panel in a straight line and then rotates, the user needs to provide a large driving force, which is laborious and time-consuming to unlock, which brings inconvenience to the user.

Utility model content

The purpose of the utility model is to provide a rotary tongue transmission mechanism of a lock which is convenient, labor-saving and has higher safety.

The purpose of this utility model is achieved in that:

A rotary tongue transmission mechanism of a lock, comprising a lock body panel, a lock case, a cover plate matched with the lock case, a main drive plate located between the lock case and the upper cover, a rotary tongue assembly installed in the lock case, and an oblique bolt The assembly and the lock drive mechanism, the lock drive mechanism, the main drive plate and the swivel tongue assembly are respectively connected sequentially, the main drive plate is driven by the lock drive mechanism arranged in the lock housing, and the movement of the main drive plate drives the swivel tongue assembly at the same time For linear movement and rotation, the lock drive mechanism includes a lever drive piece, a rotary tongue drive gear, and an oblique tongue drive gear that are sleeved on the gear shaft from top to bottom. One end of the lever drive piece is connected to the main drive plate. Hinged, the other end is hinged with the rotary tongue driving gear, the rotation of the lever driving piece drives the main drive plate to move, the oblique bolt driving gear drives the oblique bolt assembly, and the rotary tongue driving gear and the oblique bolt driving gear are driven by the lock cylinder.

The above-mentioned rotary tongue assembly includes a rotary tongue rod, a rotary tongue support piece, a U-shaped rotary tongue connecting piece and a rotary tongue supporting plate, and positions and The number of through holes matched with the tongue lever, the tail end of the tongue lever is inserted into the U-shaped groove of the U-shaped tongue connecting piece through the through hole, and the tail end of the tongue lever is provided with a tongue gear , the U-shaped groove is provided with a swivel tongue rack that cooperates with the swivel tongue gear. The rotation of the swivel tongue rack drives the swivel tongue bar to rotate. The bottom surface is provided with a swivel tongue connecting piece post and a sliding chute for the swivel tongue rack post to be inserted and slidable. The other side of the swivel tongue connecting piece is connected with the swivel tongue supporting plate.

The main driving plate is provided with a chute, and the chute includes a straight groove part inclined in the middle and a transverse groove part opposite to each other at both ends of the straight groove part, and the connecting piece column of the swivel tongue extends into the said slant groove. In the slot, the movement of the main driving plate drives the sliding of the swivel tongue connecting piece column in the chute so as to drive the swivel tongue assembly to move.

The above-mentioned lock housing is respectively provided with a guide hole 1 and a guide hole 2 corresponding to the swivel tongue rack column and the swivel tongue connecting piece column. The first guide hole is an L-shaped hole, and the second guide hole is a straight hole.

The end face of the swivel tongue supporting plate is respectively provided with a swivel tongue guide column and a sliding bolt driving column, and the cover plate is respectively provided with a guide hole three and a guide hole four correspondingly matched with the deadbolt guiding column and the sliding bolt driving column, The sliding bolt driving column is connected with the sliding bolt driving plate, and the sliding bolt driving plate is respectively connected with an upper sliding bolt and a lower sliding bolt.

There are at least two groups of the above-mentioned swivel tongue assemblies, each set of swivel tongue assemblies is provided with more than two swivel tongue rods.

The above-mentioned lever driving piece is V-shaped, and the bottom end of the V-shaped lever driving piece is sleeved on the gear shaft through the shaft hole. One of the two upper ends of the V-shaped lever driving piece is hinged with the rotary tongue driving gear, and the other end is connected with the driving plate. Hinged, one end of the V-shaped lever driving piece connected to the corresponding driving plate is provided with a guide nail groove, and the driving plate rivet provided on the driving plate is inserted into the guide nail groove.

The above-mentioned bolt gear is provided with a bolt transmission column, and the bolt assembly includes a bolt, a bolt cover, and a bolt moving piece whose middle part is sleeved on the bolt casing, and the bolt moving piece One end of one end is connected with the bolt tongue, and the other end hooks the bolt bolt transmission column through the hook portion provided, and the rotation of the bolt bolt gear drives the rotation of the bolt bolt moving piece through the bolt bolt transmission column to drive the bolt bolt to move.

Compared with the prior art, the utility model has outstanding and beneficial technical effects as follows:

1. The lock driving mechanism of the present utility model drives the main drive plate and then drives the swivel tongue assembly, and drives the swivel tongue assembly to move linearly and rotate at the same time through the chute provided on the main drive plate. The lock can be opened or closed, and the unlocking is time-saving and convenient.

2. The lock driving structure of the present utility model includes a lever driving piece, a turning tongue driving gear and an oblique tongue driving gear. The lever driving piece is driven to rotate through the movement of the turning tongue driving gear, and the rotation of the lever driving piece drives the main driving plate to move. In this structure The lever driving piece is V-shaped, and the design of the V-shaped lever driving piece requires less unlocking force and saves labor when the lock is opened or closed.

3. The utility model has at least two groups of swivel tongue assemblies, each set of swivel tongue assemblies has more than two swivel tongue rods, which has better safety during use.

Description of drawings

Fig. 1 is the schematic diagram when the turning tongue of the utility model is closed.

Fig. 2 is a schematic diagram of the utility model when the swivel tongue is closed.

Fig. 3 is a schematic diagram of the utility model when the swivel tongue is opened.

Fig. 4 is a schematic diagram of the utility model when the swivel tongue is opened.

Fig. 5 is a schematic diagram of the development of the swivel tongue assembly of the present invention.

Fig. 6 is a partially expanded schematic diagram of the utility model.

Fig. 7 is a partial schematic diagram of the utility model.

Fig. 8 is a partial schematic diagram of the utility model.

Fig. 9 is an overall schematic diagram of the utility model.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings with specific embodiments, referring to Fig. 1-9:

A rotary tongue transmission mechanism of a lock, comprising a lock body panel 1, a lock case 2, a cover plate 3 matched with the lock case 2, a main drive plate 4 located between the lock case 2 and the upper cover, and a main drive plate 4 installed in the lock case 2 The rotary tongue assembly 6, the oblique bolt assembly 5 and the lock driving mechanism 7, the lock driving mechanism 7, the main driving plate 4 and the rotary tongue assembly 5 are respectively connected in sequence, and the main driving plate 4 is arranged through the lock housing 2 The lock driving mechanism 7 is driven, and the movement of the main driving plate 4 drives the rotary tongue assembly 5 to perform linear movement and rotation at the same time. The lock driving mechanism 7 includes a lever driving piece 71, which is sleeved on the gear shaft 70 from top to bottom, Turning tongue driving gear 72 and oblique tongue driving gear 73, one end of said lever driving piece 71 is hinged with main driving plate 4, and the other end is hinged with turning tongue driving gear 72, and the rotation of lever driving piece 71 drives main driving plate 4 to move, The bolt driving gear 73 drives the bolt assembly 5, and the bolt driving gear 73 and the bolt driving gear 73 are driven by the lock cylinder.

The above-mentioned rotary tongue assembly 5 includes a rotary tongue rod 60, a rotary tongue support piece 61, a U-shaped rotary tongue connecting piece 62 and a rotary tongue support plate 63, and one of the rotary tongue support piece 61 and the U-shaped rotary tongue connecting piece 62 On the sides, there are through holes 64 whose positions and numbers match the swivel lever 60, and the tail end of the swivel lever 60 is inserted into the U-shaped groove 65 of the U-shaped swivel connecting piece 62 through the through hole 64. , the tail end of the swivel lever 60 is provided with a swivel gear 66, and the U-shaped groove 65 is provided with a swivel rack 67 cooperating with the swivel gear 66, and the movement of the swivel rack 67 drives the swivel lever 60 to rotate , the tongue rack 67 is provided with the tongue rack column 68, and the outer bottom surface of the U-shaped tongue connecting piece 62 is provided with the tongue connecting piece column 69 and the tongue rack column 68 is plugged and slidable. The chute 600 , the swivel tongue rack post 68 passes through the chute 600 and extends out of the U-shaped swivel tongue connecting piece 62 , and the other side of the U-shaped swivel knuckle connecting piece 62 is connected to the swivel tongue support plate 63 . The swivel tongue assembly 5 in the utility model is provided with at least two groups, and each set of swivel tongue assemblies 5 is provided with more than two swivel tongue rods 60 .

The above-mentioned main driving plate 4 is provided with a chute 40 that cooperates with the swivel tongue connecting piece column 69 to slide, and the chute 40 includes a straight groove part arranged obliquely in the middle and a transverse groove part 41 arranged opposite to each other at both ends of the straight groove part. The swivel tongue connecting piece post 69 extends into the chute 40 , and the movement of the main driving plate 4 drives the swivel tongue connecting piece post 69 on the chute 40 to slide so as to drive the swivel tongue assembly 5 to move.

The above-mentioned lock housing 2 is respectively provided with guide hole one 8 and guide hole two 9 correspondingly matched with the swivel tongue rack 67 column and the swivel tongue connecting sheet column 69, the guide hole one 8 is an L-shaped groove, and the guide hole two 9 For straight groove.

The end face of the swivel tongue supporting plate 63 is respectively provided with a swivel tongue guide column 601 and a sliding bolt driving column 602, and the cover plate 3 is respectively provided with three guide holes corresponding to the locking tongue guiding column and the sliding bolt driving column 602. 10 and guide hole 4 11, the sliding bolt driving column 602 is connected with the sliding bolt driving plate 12, and the sliding bolt driving plate 12 is respectively connected with the upper sliding bolt 13 and the lower sliding bolt 14.

The above-mentioned lever driving piece 71 is V-shaped, and the bottom end of the V-shaped lever driving piece 71 is sleeved on the gear shaft 70 through the shaft hole, and one of the two upper ends of the V-shaped lever driving piece 71 is hinged with the rotary tongue driving gear 72, The other end is hinged with the drive plate, and one end of the correspondingly connected V-shaped lever drive plate 71 of the drive plate is provided with a nail guide groove 76, and the drive plate rivet 77 provided on the drive plate is plugged in the nail guide groove 76.

The above-mentioned bolt gear is provided with a bolt transmission column 78, and the bolt assembly 6 includes a bolt 15, a bolt sleeve 16 and a bolt shift piece 17 whose middle part is sleeved on the sleeve 16, One end of the bolt tongue driving piece 17 is connected with the bolt bolt, and the other end hooks the bolt bolt transmission column 78 through the hook portion 18 provided, and the rotation of the bolt bolt driving piece 78 drives the bolt tongue driving piece through the bolt transmission column 78. The rotation of 17 thus drives the oblique tongue action.

The foregoing embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of protection of the present utility model. Therefore: all equivalent changes made according to the structure, shape, and principle of the present utility model should be covered by this utility model. within the scope of protection of utility models.

Claims (8)

1. A rotary tongue transmission mechanism of a lock, comprising a lock body panel, a lock case, a cover plate matched with the lock case, a main drive plate located between the lock case and the upper cover, and a rotary tongue assembly installed in the lock case, The bolt assembly and the lock drive mechanism, the lock drive mechanism, the main drive plate and the swivel tongue assembly are respectively connected sequentially, and it is characterized in that: the main drive plate is driven by the lock drive mechanism arranged in the lock housing, and the main drive plate The movement drives the swivel tongue assembly to move linearly and rotate at the same time. The lock drive mechanism includes a lever drive piece, a swivel tongue drive gear, and an oblique tongue drive gear that are sleeved on the gear shaft from top to bottom. The lever drive piece One end of the lever is hinged with the main drive plate, and the other end is hinged with the rotary tongue drive gear. The rotation of the lever drive piece drives the main drive plate to move, the latch bolt drive gear drives the latch bolt assembly, and the rotary tongue drive gear and the latch bolt drive gear are driven by the lock cylinder. . 2. A lock swivel transmission mechanism according to claim 1, characterized in that: the swivel assembly includes a swivel rod, a swivel support piece, a U-shaped swivel connecting piece and a swivel support plate, the On one side of the supporting plate of the turning tongue and one side of the U-shaped turning tongue connecting piece, there are through holes whose positions and numbers match the turning tongue rod, and the tail end of the turning tongue rod is inserted into the U-shaped turning tongue through the through hole. In the U-shaped groove of the swivel tongue connecting piece, the tail end of the swivel tongue rod is provided with a swivel tongue gear, and the U-shaped groove is provided with a swivel tongue rack that cooperates with the swivel tongue gear, and the movement of the swivel tongue rack drives the swivel tongue bar Rotate, the swivel rack is provided with a swivel rack column, the outer bottom surface of the U-shaped swivel connecting piece is provided with a swivel connecting sheet column and a slidable chute for the swivel rack post to be plugged in. The swivel tongue rack column extends out of the U-shaped swivel tongue connecting piece through the chute, and the other side of the U-shaped swivel tongue connecting piece is connected with the swivel tongue supporting plate. 3. The rotary tongue transmission mechanism of a lock according to claim 2, characterized in that: the main drive plate is provided with a chute, and the chute includes a straight groove part and a straight groove part arranged obliquely in the middle. The horizontal grooves at the two ends are opposite to each other, and the swivel tongue connecting piece column extends into the chute, and the movement of the main driving plate drives the sliding of the swivel tongue connecting piece column in the chute to drive the swivel tongue assembly to move. 4. The rotary cam transmission mechanism of a lock according to claim 2, characterized in that: the lock housing is respectively provided with a guide hole and a guide hole corresponding to the rotary cam rack column and the rotary cam connecting piece column. Hole two, the first guide hole is an L-shaped hole, and the second guide hole is a straight hole. 5. The rotary tongue transmission mechanism of a lock according to claim 2, characterized in that: the rotary tongue guide column and the sliding bolt driving column are respectively provided on the end surface of the rotary tongue supporting plate, and the cover plate is respectively There are three guide holes and four guide holes correspondingly matched with the bolt guide column and the slide bolt drive column. The slide bolt drive column is connected with the slide bolt drive plate, and the slide bolt drive plate is respectively connected with the upper slide bolt and the lower slide bolt. . 6 . The rotary cam transmission mechanism of a lock according to claim 2 , wherein the rotary cam assembly is provided with at least two groups, and each group of rotary cam components is provided with more than two rotary cam rods. 7 . 7. A lock tongue transmission mechanism according to claim 1, characterized in that: the lever driving piece is V-shaped, and the bottom end of the V-shaped lever driving piece is sleeved on the gear shaft through the shaft hole, and the V-shaped lever driving piece is sleeved on the gear shaft. One of the two upper ends of the V-shaped lever driving piece is hinged with the rotary tongue driving gear, and the other end is hinged with the driving plate. One end of the V-shaped lever driving piece connected to the corresponding driving plate is provided with a guide nail groove. The plate rivets are inserted into the guide nail grooves. 8. The rotary bolt transmission mechanism of a lock according to claim 1, characterized in that: the bolt bolt transmission column is provided on the bolt bolt, and the bolt bolt assembly includes a bolt bolt, a bolt bolt cover and a bolt cover. The middle part is sleeved on the latch tongue shifter sleeve, one end of the latch tongue shifter is connected with the latch tongue, and the hook at the other end is hooked to the latch tongue transmission column, the rotation of the latch tongue gear passes through The latch bolt driving column drives the rotation of the latch bolt moving piece to drive the latch bolt to move.