TWM289796U - Improved door lock structure - Google Patents

Description

M289796 IV. Creation Description (1) --- One "One [New Technology Field] ^There is a kind of door lock, especially a kind of design is simpler and can be controlled by a single control knob Position lock/structure improvement for locking position. [Prior Art] In order to ensure family property and personal safety, the general portal is basically equipped with a door lock to achieve the function of anti-theft. As shown in the first figure, it is a conventional door lock structure, which is mainly composed of A lock case (1) is internally provided with a latch (2) and a lock tongue (3), and the latch (2) can be displaced by a key, jp and is pierced by a side of the lock case (1). Locked out, or contracted inside the lock case (1) ... to form an unlocked state, the lock tongue (3) is spring-loaded in the normal state, and is extended by the lock case (1): the perforation provided on the side, and closed on the door panel The buckle is fastened to the door frame to form a lock, and the lock case (1) is provided with a lock tongue block (4) and a lock tongue positioning knob (5) facing the inner surface of the door, and the lock tongue block (4) Through the lock case (1) and the lock tongue (3), when the door is to be opened, the lock tongue block (4) is pulled and the lock tongue (3) is retracted into the lock case (1) to form an open state. The other locking tongue positioning knob (5) can be used for the user to position the locking tongue (3) in the locking state in a rotating manner, and the door cannot be opened by the key outside the door, or by the lock. The tongue block (4) drives the lock tongue (3) to retract, and then rotates the lock tongue positioning knob (5), so that the lock tongue (3) is fixed in the open state of the contraction, thereby achieving the door panel can be brought up without The purpose of the lock is to facilitate the user to leave the house for a short time (such as dumping garbage, taking newspapers, etc.). However, it is checked that the conventional door lock structure still has the following shortcomings in the practical application and needs to be improved:

Page 5 M289796

1 · A lock tongue block (4) and a lock tongue positioning knob (5) are arranged on the surface of the lock case (1) facing the house, and the lock tongue (3) is actuated by the lock tongue block (4). And the position of the locking tongue (3) is defined by the locking tongue positioning knob (5), so that the design is too complicated, and the cost is increased and the appearance is affected. 2 · When you want to position the lock tongue (3) in the open state of the retraction, you need to operate the lock tongue block (4) with one hand to drive the lock tongue (3) to retract, and simultaneously rotate the lock tongue with another hand. New (5), interlocking the inner block of the lock case (1) to position the lock tongue (3), thus causing inconvenience to the user. >[New content] — In view of this, the creator has thoughts and creative ideas, and in the spirit of iron: the spirit of reluctance and the purpose of excellence, actively research and improvement, and through various discussions and trial samples The experiment, and many amendments to improve 'is launched this creation. The present invention provides an improvement of the door lock structure, which is mainly composed of a lock, and a latch and a lock tongue are arranged inside, and the latch can be locked by a perforation provided on one side of the lock case, or can be contracted into the lock case. The unlocking state is formed in the lock tongue. The lock tongue is connected with an actuating rod on the rear side of the lock tongue body, and the rear end surface of the lock tongue body is recessed with a clamping groove _, the front part of the actuating rod is sleeved by a sliding seat and combined with a C-shaped buckle ring. The first spring is sleeved at the rear end, and a smaller diameter section is disposed at the end, and the connecting seat of the connecting device is coupled with the second spring and a bolt to lock the first spring to the space between the connecting seat and the sliding seat, and then lock The surface of the shell facing the house is provided with a control knob, and the bottom surface of the control button extends to a circular circular position on both sides, and the horizontal sliding hole preset by the quick lock housing and the connecting seat are combined with a turntable. slip

6 I M289796

A circular limiting portion is arranged at each end of the moving hole, and a square convex block is arranged on the rotating wheel, and the torsion spring elastically clamped on the connecting seat forms a positioning function, and the positioning of the button is controlled.拴When the two sides of the plane are in the sliding hole of the lock case/the moon moves the π mover tongue displacement' and the positioning pin is located at the position of the circular limit at the two ends of the slide hole, turn the control knob to make the positioning two circles The arc end is embedded in the circular limit portion to reach the position of the lock tongue. The main purpose of the present invention is that it only needs to provide a control knob on the surface of the lock casing facing the house, that is, the control knob can drive the lock tongue to move and position the lock tongue, thereby simplifying the design and reducing the manufacturing cost. • And enhance the appearance of the appearance. The purpose of this creation is that it wants to position the lock tongue in the opening of the indentation, and the state of the open state can be achieved by one-handed operation of the control knob to drive the locking tongue to form a retracted state, and then directly rotating the control knob to form a positioning, thereby using Increased ease of operation. Another purpose of the present invention is that it can change the direction of the lock tongue according to the opening direction of the door, and the change action is simple and fast, and does not require any tools, so that it has better practicability. [Embodiment] The following is a detailed description of the preferred embodiment of the present invention. The three-dimensional exploded view of the second drawing, the third half-combined drawing of the third drawing, and the fourth drawing The three-dimensional combination diagram of the angle is mainly composed of a lock case (2 〇) and a lock tongue (3 〇) inside the lock case (1 〇), and the lock case (10) is provided with a lateral slide at an appropriate position. Shift hole (丨丨), the slip hole (丨i)

Page 7 M289796 IV. Creation Instructions (4) There is a large circular limit (1 1 1 ) at each end. The latch (2 〇) can be displaced by the key and protrudes out of the lock case (1 〇 ) - the perforation provided on the side is locked, or is retracted in the lock case (10) to form an unlocked state, and the rear end of the lock tongue (3 〇) is coupled with a connecting device (40) to be connected to the lock case (1 〇) The surface control knob (5 〇), the locking tongue (30) comprises a bolt body (31), an actuating rod (32), a sliding seat (33), a C-shaped buckle (34), a first spring (35), a second spring (36) and a bolt (37), wherein the bolt body (31) is integrally connected with the actuating rod (32), and a card is recessed at the rear end surface of the bolt body (31). In the solid groove (311), a ring groove (3 2 1 ) is arranged in the front part of the moving raft (32), a smaller diameter section (3 2 2 ) is arranged at the end, and the sliding seat (3 f 3 ) is a door type, and the two sides of the plate Each of the holes is provided with a perforation (33 1 ), the bottom plate is provided with an elongated hole (332), and the connecting device (40) comprises a connecting seat (41), a torque, a spring (42), a turntable (43) and a gasket. (44) and two bolts (45), (46) . The connecting seat (4 1) is generally u-shaped, and the bottom plate is provided with a two-step convex column (4 Π ) and a perforation (4 1 2 ), and the two side plates are respectively provided with large and small fixing holes (4 1 3 ), (414 The middle part of the torsion spring (42) is provided with a ring (421), and each end is provided with an elastic leg (422). The turntable (43) is provided with a square convex block (431), and the square convex block (4 3 1 ) A circular insertion hole (4 3 2 ) which is flattened on both sides is arranged to control the circular positioning pin (5 1 ) which is cut into a plane on both sides of the rotary sister (50). When assembling, the ring (421) of the torsion spring (42) is placed on the outer edge of the small-diameter step of the two-step stud (4 11 ) of the joint (1), and is screwed with the bolt (4 5 ). Solid, and the sliding seat (3 3 ) is placed inside the lock case (10), and the screw is passed through the elongated hole (3 3 2 ) of the bottom plate of the sliding seat (3 3 ), and locked to the lock case (10) The inner surface forms a movable sliding state, and the actuating lever (3 2 ) of the locking tongue (30) is inserted through the locking shell (10), and sequentially passes through the perforations of the plates on both sides of the sliding seat (33) (331) ) and the first bomb

Page 8 M289796 IV. Creation Instructions (5) Spring (35), C-type buckle (34) is fastened to the ring groove (321) of the actuating rod (32), and the smaller diameter section of the actuating rod (32) (3) 2 2) Pass through the large and small fixing holes (4 1 3 ) and ( 4 1 4 ) of the joint seat (41), so that the step of the smaller diameter section (3 2 2 ) is stuck to the joint 'seat (41) The inner surface of one side plate is further fitted with a second spring (36) on the smaller diameter section (322), and the end surface of the smaller diameter section (32 2 ) is bolted with a bolt (37) to lock the joint ( 41) is coupled with the actuating rod (32), and by the elastic force of the first spring (35), the locking groove (311) of the rear end surface of the bolt body (31) is engaged with the front side plate of the sliding seat (33), and then Positioning pin (5 1 ) of the control knob (50) through the lateral sliding hole (1 1) of the lock case (10) and the perforation (4 1 2) of the joint seat (41) The insertion hole (4 3 2 ) of the turntable (4 3 ) is screwed and locked with the gasket (4 4 ) and the bolt (4 6 ), so that the two elastic feet of the torsion spring (4 2 ) (4 2 2 ), elastically clamped on the opposite sides of the square lug (4 3 1) of the turntable (4 3 ), the control knob (5 0 ) Forming the positioning function, that is, completing the combination of the locking tongue (3 〇), the connecting device (40), and the control knob (5 〇). Furthermore, as shown in the schematic diagram of the lock tongue of the fifth figure, the lock tongue (3) is pushed by the first spring (35) of the actuating lever (32) to protrude from the lock case (1). 0) Outside lock, when the lock (2 〇) is not locked normally and you want to open the door from the house, directly operate the control knob (5 〇) to traverse, so that the control knob (5 〇) I positioning pin (51) The planes on both sides slide in the sliding hole (1丨) of the lock case (1〇), and the action lever (32) and the tongue body (31) form a retracted state, so that the door opening operation can be smoothly performed. . As shown in the sixth figure, the original locking bolt is positioned in the plane of the locking state. The main body of the bolt body (3 1 ) is pushed by the first spring (35) of the actuating lever (3 2 ). Protruding out of the outer side of the lock case (1〇), at this time the control knob (5〇)

M289796_ IV. Creation Description (6/ ' " ------ Positioning inspection (5 1 ) Aligning the circular limit (1丨1) at one end of the sliding hole (丨丨), and when it wants to When the tongue (30) is positioned in the locked state, directly rotate the control knob (50), and the two elastic legs (422) of the torsion spring (42) are separated from the square protrusions of the original clamping k (4 3 ) ( 4 3 1 ) The opposite sides are clamped to the other two sides of the square bump = 31), and the control knob (5〇) is positioned to make the two arc ends of the clamp bolt (5 1) In the circular limiting portion 〇丨丨), the locking tongue (30) can be locked into a state in which the door cannot be opened by the key outside the door, as in the seventh diagram, the schematic diagram of the locking tongue positioned in the open state is not When it wants to position the lock tongue (30) in the open state, the control knob (5 〇) is horizontally moved to move the bolt body (31) into the lock case (1〇), so that the control knob (5 〇) The clamp bolt (5 1) slides on the plane of the two sides to the lock case (10) slide hole (11), and the circular limit (丨丨丨), then directly rotate the control knob (5 〇) 'borrowing The two elastic legs (422) of the force spring (42) are separated from the opposite sides of the square convex block (431) of the originally held turntable (43), and are clamped to the square convex blocks (the other two sides of the 43 2, the control knobs) (5〇) forming a positioning function, so that the two arc ends of the positioning inspection (5 1) are embedded in the circular limiting portion (丨丨丨), then the locking tongue (30) can be positioned in the open state. To achieve the security setting that is prevented from being locked in the door after going out.) ^ As shown in the eighth diagram, the action diagram of the direction of the change of the lock tongue is shown in the figure, and Tian Qi wants to open the door, open the right, open the inner or the outside. When changing the lock tongue (3 〇) square=, pull the bolt body (31) outward for a section to compress the first spring (35) and the second and second springs (36), and the card of the rear end face of the bolt body (31) When the fixing groove (311) is separated from the front side plate of the sliding seat (3 3 ), the locking tongue body (31) can be actuated together

Page 10 M289796 IV. Creation Instructions (7) The rod (3 2 ) rotates to change direction, and after turning, releases the bolt body (3 1 ) by the first spring (3 5 ) and the second spring (3 6 ) The elastic force causes the lock body (3 i and the actuating lever (3 2 ) to return to the original position, that is, the change of the actor is easily completed. From the structure of the above specific embodiment, it can be known that the creation has the effect of Ding Shu·1 · It only needs to provide a control knob (50) on the surface of the lock case (10) facing the house. That is, the control knob (50) can also be used to drive the lock tongue ($〇) to actuate and position the lock tongue (30). The function of the position is designed to be more compact, which can reduce the manufacturing cost and enhance the appearance of the door lock. 2 · When the tongue (30) is to be positioned in the open state, the control knob can be operated with one hand. (50) traverse and drive the lock tongue (3〇) to form a retracted state, and then directly rotate the control knob (50) to form a positioning, so that the lock tongue (3〇) can be easily positioned in the open state, so as to avoid being locked after exiting the door. Outside the door, the ease of use is improved. 3. It can be pulled out of the way for any tool, As described above, there is an improved creation _ sex, and the provisions of the creation of the law, the member grants the legal only to limit the opening direction of the door, directly shift the tongue body (3 1) forward direction, operation It is simple and fast, and it does not need to be used for better practicality. 'Spirit creation has indeed reached a breakthrough structure, and it has the ability to achieve industrial utilization and progress at the same time, and it can be seen in any publication. Novelty, when it comes to the purpose of proposing a new type of patent application according to law, please ask the bureau to examine the patent right, and to pray. The commentary is only the preferred embodiment of this creation, and the scope of the creation is not implemented; Creation patent

M289796 IV. Creation Instructions (8) The equivalent changes and modifications made by the scope shall remain within the scope of this creation patent. M289796 The schematic diagram briefly illustrates the first diagram of the stereoscopic appearance of the model. The second diagram is the exploded view of the creation. The second diagram is the three-dimensional combination of the creation. The fourth diagram is the three-dimensional combination of the other angle of the creation. Figure 5 is a schematic diagram of the operation of the lock tongue of the present invention. The sixth figure is the plane diagram of the lock tongue positioned in the locked state. The seventh figure is the plane diagram of the original lock tongue positioned in the open state. : • This is the action diagram of changing the direction of the lock tongue 〇 [Main component symbol description] [General] 1 Lock case 2 Latch 3 Lock tongue 4 Lock tongue block 5 Lock tongue positioning knob [This creation] 10 Lock case 11 Sliding iL 111 Limiting part 20 Latching 30 Locking tongue 31 Locking tongue body 丨3 2 Actuating rod 321 Ring groove 322 Small diameter section 33 Slider 331 Perforation 332 Long 孑L 34 C-type clasp 35 First spring 36 Second spring 37 bolt

Page 13 M289796 Simple description of the drawings 40 Connecting device 411 Tab 413 Large fixing hole 42 Torsion spring 42 2 Elastic foot 431 Bump 44 Gasket 46 Screw positioning bolt 41 Joint seat 412 Perforation 414 Small fixing hole 421 Ring 43 Turntable 4 3 2 Insert hole 4 5 Bolt 50 Control knob 51

Claims (1)

M289796 V. Patent Application No. 1 · A door lock structure improvement mainly consists of a lock case inner set/lock and a lock tongue, which can be extended by a perforation provided on one side of the lock case, or The inside of the lock case forms an unlocked state, and the lock tongue is spring-loaded* in the normal state, and protrudes from the perforation provided on the side of the lock case, and when the door is closed, the buckle is formed on the door frame to form a lock, and the feature is: The rear end of the locking tongue is coupled with a connecting device, and the locking shell is provided with a control knob on the surface of the housing. The bottom surface of the control knob extends to a circular positioning bolt which is cut on both sides and passes through the preset sliding direction of the locking shell. The transfer hole is combined with the above-mentioned connection table. The two ends of the slide hole are respectively provided with a circular limit portion, and the positioning pin of the control b-knob can be slid in the sliding hole of the lock case by the planes on both sides. The displacement of the bolt is driven, and the positioning bolt is located at the circular limit portion at both ends of the sliding hole, and the rotation control knob is used to insert the two arc ends of the positioning bolt into the circular limiting portion to reach the positioning tongue. 2. The door lock structure improvement according to claim 1, wherein the connecting device comprises a connecting seat, a torsion spring, a turntable, a gasket and a rain plug. The connecting seat is U-shaped and the bottom plate thereof There is a two-step convex column and perforation. The two side plates are respectively provided with large and small fixing holes. The middle part of the torsion spring is provided with a ring, and each end is provided with an elastic leg. The turntable is provided with a square convex block, and the square convex piece is inscribed. A circular plug hole for flattening on both sides is provided for the positioning pin of the control knob to be inserted and coupled, and the two elastic legs of the torsion spring elastically clamp the square convex block of the turntable to form the control knob. 3. The door lock structure according to claim 1 is improved, wherein the lock tongue is connected with an actuating rod from a rear side of the bolt body, and a rear groove is recessed in the rear end surface of the bolt body, and the actuating rod is worn. Set a slide and combine a c-shaped buckle, after Page 15 M289796 V. The patented range is sleeved with a first spring, and the end is provided with a smaller diameter section. The connecting seat of a connecting device is coupled with the second spring and a bolt to lock the first spring. Between the connecting seat and the sliding seat, the locking groove of the locking tongue body is normally engaged with the sliding seat to form a positioning. Page 16