CN211473687U

CN211473687U - Door lock latch bolt driving mechanism

Info

Publication number: CN211473687U
Application number: CN201921751741.8U
Authority: CN
Inventors: 丁明杨
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-09-11
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a door lock oblique tongue actuating mechanism, including the lock box, through hole and sliding connection have been seted up in lock box left side have a lock tongue pole, the big disc of lateral wall fixedly connected with of lock tongue pole, lock box left side wall fixedly connected with damping spring, the middle section cover of lock tongue pole has compression spring, just compression spring overlaps and establishes on the lateral wall of lock tongue pole, compression spring right-hand member fixedly connected with snap ring, the well back end fixedly connected with cutting ferrule of lock tongue pole is located the lock tongue pole is terminal be provided with the baffle on the lock box. The utility model has the advantages that the three springs respectively play the roles of shock absorption, reset and energy storage, the noise can be effectively reduced, and the operation is convenient; the process of opening the door and locking the door can be completed only by rotating the key in one direction, and the rotating direction of the key is reduced compared with the traditional mode.

Description

Door lock latch bolt driving mechanism

Technical Field

The utility model relates to a lock oblique tongue actuating mechanism technical field especially relates to a lock oblique tongue actuating mechanism.

Background

The structural design of wide application in the existing market is, only rely on the elasticity of spring to control the flexible of latch bolt, the result that causes is exactly when the latch bolt stretches out under the effect of the reset force of spring, can be in an acceleration process all the time, just stop motion until the latch bolt strikes the stop gear of box at the bottom of the lock body, the quick impact in the twinkling of an eye between this kind of latch bolt and the box limit structure at the bottom can produce very big noise, give other people and bring the discomfort, open the door simultaneously and lock the door and need rotate two different positions, lead to the mode action loaded down with trivial details.

Therefore, a door lock latch bolt driving mechanism is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the latch bolt and the bottom box impact quickly in the twinkling of an eye to produce great noise, and opening the door simultaneously and locking the door needs to rotate two different position problems, and the latch bolt actuating mechanism of a door lock that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a door lock latch bolt driving mechanism comprises a lock box, wherein a through hole is arranged at the left side of the lock box and is connected with a lock bolt rod in a sliding way, the lock box is provided with baffle plates corresponding to the upper side and the lower side of the latch bolt, the left side of the latch bolt rod is rotatably connected with the latch bolt, the outer side wall of the lock tongue rod is fixedly connected with a large disc, the left side wall of the lock box is fixedly connected with a damping spring, the middle section of the lock tongue rod is sleeved with a compression spring, the compression spring is sleeved on the outer side wall of the bolt rod, the right end of the compression spring is fixedly connected with a snap ring, the middle and rear sections of the bolt rod are fixedly connected with a cutting sleeve, a baffle plate is arranged on the lock box at the tail end of the bolt rod, the cutting ferrule edge is provided with the dog, the dog middle part has been seted up through hole and has had the slide bar frame just sliding connection, slide bar frame right-hand member fixedly connected with buffer spring, the dog left side is provided with the lock core.

Preferably, the right end rod wall of the lock tongue rod is provided with/encircled with threads, the rear/section of the lock tongue rod is a straight convex edge, and the top of the baffle is in contact with the threads.

Preferably, compression spring right-hand member fixedly connected with snap ring, the compression spring left side is fixed on the big disc right side of lock tongue pole front end, snap ring bottom fixed mounting is on the lateral wall of lock box.

Preferably, the left end of the buffer spring is fixedly connected to the right side of the stop block, and the right end of the buffer spring is fixedly connected to the right side wall of the slide bar frame.

Preferably, the lock cylinder is rotatably connected to the side wall of the lock box, and the lock cylinder horizontally rotates around the center point thereof.

Preferably, the latch bar slides concentrically with the snap ring.

The utility model has the advantages that:

1. the device has the advantages that the effects of shock absorption, resetting and energy storage are achieved through the three springs, noise can be effectively reduced, and meanwhile, the operation is convenient.

2. The device of this application adopts lock latch bolt when rotatory, can make the key only need rotate a position can accomplish the process of locking the door that opens the door, has reduced the rotation position of a key than traditional mode.

3. The device has novel and simple structure.

Drawings

Fig. 1 is a schematic structural view of a latch bolt driving mechanism of a door lock according to the present invention;

FIG. 2 is a schematic view of the latch bar;

fig. 3 is a schematic structural view of the ferrule;

fig. 4 is a schematic structural view of the slide bar frame, the stopper and the buffer spring.

In the figure: 1 lock box, 2 lock tongue poles, 3 damping springs, 4 compression springs, 5 snap rings, 6 cutting sleeves, 7 baffles, 8 stop blocks, 9 sliding rod frames, 10 buffer springs, 11 lock cylinders and 12 latch bolts.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a door lock latch bolt driving mechanism, including lock box 1, lock box 1 left side has been seted up the through hole, and sliding connection has a lock bolt pole 2, wherein lock box 1 is equipped with the baffle that corresponds with latch bolt 12 upper and lower both sides, referring to fig. 1, the baffle through upper and lower both sides is spacing to latch bolt 12, latch bolt pole 2 left side rotates and is connected with latch bolt 12, it can not drive latch bolt 12 and rotate together to ensure when latch bolt pole 2 rotates, while latch bolt 12 can ensure linear motion, the lateral wall fixedly connected with big disc of lock bolt pole 2, the detailed drawing is shown in fig. 2, lock box 1 left side wall fixedly connected with damping spring 3, and damping spring 3 and lock bolt pole 2 coaxial placing, damping spring 3 right-hand member is the free end.

2 middle section covers of spring bolt pole have compression spring 4, and compression spring 4 and 2 coaxial places of spring bolt pole, 4 right-hand member fixedly connected with snap rings of

compression spring

5, 5 bottom fixed mounting of snap rings are on locking box 1, 4 right-hand member fixedly connected with snap rings of compression spring 5, fix in 2 front end big disc right sides in spring bolt pole on the left of compression spring 4, compression spring 4 can produce tensile force and torsional force when spring bolt pole 2 takes place to rotate, when the no external force of spring bolt pole 2 applys the added time, compression spring 4 can produce opposite direction's tensile force and torsional force and reset.

The middle and rear sections of the bolt rod 2 are fixedly connected with a clamping sleeve 6, detailed figures are shown in fig. 3, the bolt rod 2 can concentrically slide in a clamping ring 5, mutual interference between the clamping sleeve 6 and the clamping ring 5 can be guaranteed, and meanwhile horizontal movement of a stop block 8 cannot be influenced when the bolt rod 2 rotates.

Be provided with baffle 7 on the lock box 1 at lock tongue pole 2 end, 3/4 circle screw threads have been seted up to lock tongue pole 2 right-hand member pole wall, back 1/4 section is straight protruding edge, and baffle 7 top and screw thread contact, can guarantee lock tongue pole 2 when moving right because the separation of baffle 7, the spin effect can take place, rotatory 3/4 circle back lock tongue pole 2 can be in the indentation lock box 1, back 1/4 section level is retreated, because compression spring 4's effort when the baffle 7 does not contact with the screw thread that lock tongue pole 2 right-hand member pole wall was seted up, lock tongue pole 2 can reset original state.

6 edges of cutting ferrule are provided with dog 8, the through hole has been seted up at dog 8 middle part, and sliding connection has slide bar frame 9, slide bar frame 9 right-hand member fixedly connected with buffer spring 10, buffer spring 10 left end fixed connection is on dog 8 right side, buffer spring 10 right-hand member fixed connection is on the slide bar frame 9 right side wall, the detailed picture is seen in fig. 4, can move right when dog 8 receives lock core 11 extrusion and push buffer spring 10 simultaneously, when lock core 11 does not push dog 8, dog 8 receives buffer spring 10 effort and resets.

The left side of the stop block 8 is provided with a lock core 11, the lock core 11 is rotationally connected to the side wall of the lock box 1, the lock core 11 horizontally rotates around the central point, the stop block 8 can reciprocate when the lock core 11 rotates 1/3 circles, the lock bolt rod 2 also reciprocates and extrudes the buffer spring 10, and when the lock core 11 does not extrude the stop block 8, the stop block 8 is reset by the acting force of the buffer spring 10.

In the utility model, firstly, a key is inserted into the lock core 11 to rotate, the rotation of the lock core 11 drives the stopper 8 to retreat, the stopper 8 drives the card sleeve 6 to retreat when moving backwards, the card sleeve 6 can drive the bolt rod 2 to retreat, 3/4 circles of screw threads are arranged on the right end rod wall of the bolt rod 2, the back 1/4 section is a straight convex edge, and the top of the baffle 7 is contacted with the screw threads, so that the rotation effect can be generated due to the separation of the baffle 7 when the bolt rod 2 moves rightwards, the bolt rod 2 can retract into the lock box 1 after rotating 3/4 circles, the back 1/4 section horizontally retreats, when the baffle 7 is not contacted with the screw threads arranged on the right end rod wall of the bolt rod 2, the bolt rod 2 can reset to the original state, because the bolt rod 2 rotates to retreat, the oblique bolt 12 is connected with the bolt rod 2 in a rotating way, the oblique bolt 12, wherein the baffle corresponding to the upper and lower sides of the oblique bolt 12 is arranged on the lock box 1, referring to fig. 1, the latch bolt 12 is limited by the upper and lower baffle plates, so that the latch bolt 12 can only move back and forth, when the latch bolt 2 rotates to retreat, the latch bolt 12 cannot rotate because the latch bolt 12 is rotationally connected with the latch bolt 2, and the latch bolt 12 can only move back and forth under the driving of the latch bolt 2, and the task of opening the door can be completed through the movement process of the latch bolt 12.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A door lock latch bolt driving mechanism comprises a lock box (1) and is characterized in that a through hole is formed in the left side of the lock box (1) and is connected with a latch bolt rod (2) in a sliding mode, baffle plates corresponding to the upper side and the lower side of a latch bolt (12) are arranged on the lock box (1), a latch bolt (12) is rotatably connected to the left side of the latch bolt rod (2), a large disc is fixedly connected to the outer side wall of the latch bolt rod (2), a damping spring (3) is fixedly connected to the left side wall of the lock box (1), a compression spring (4) is sleeved at the middle section of the latch bolt rod (2), the compression spring (4) is sleeved on the outer side wall of the latch bolt rod (2), a snap ring (5) is fixedly connected to the right end of the compression spring (4), a clamping sleeve (6) is fixedly connected to the middle rear section of the latch bolt rod (2), and a baffle plate (7) is arranged at the tail, the edge of the cutting sleeve (6) is provided with a stop block (8), the middle part of the stop block (8) is provided with a through hole and is slidably connected with a slide bar frame (9), the right end of the slide bar frame (9) is fixedly connected with a buffer spring (10), and the left side of the stop block (8) is provided with a lock cylinder (11).

2. The door lock latch bolt driving mechanism according to claim 1, wherein the right end rod wall of the latch bolt rod (2) is provided with 3/4 circles of threads, the rear 1/4 section is a straight convex edge, and the top of the baffle (7) is in contact with the threads.

3. A door lock latch bolt driving mechanism according to claim 1, characterized in that the compression spring (4) is fixed on the left side to the right side of the large disc, and the snap ring (5) is fixedly mounted on the side wall of the lock case (1).

4. A door lock latch bolt driving mechanism according to claim 1, characterized in that the left end of the buffer spring (10) is fixedly connected to the right side of the stop block (8), and the right end of the buffer spring (10) is fixedly connected to the right side wall of the slide bar frame (9).

5. A door lock latch bolt drive mechanism according to claim 1, characterized in that the lock cylinder (11) is rotatably connected to the side wall of the lock case (1) and the lock cylinder (11) is rotated horizontally about its center point.

6. A door lock latch bolt drive mechanism according to claim 1, characterized in that the latch bolt rod (2) slides concentrically with the snap ring (5).