CN104453368B - Former reverse side key unlatching is counter to insure bolt door lock - Google Patents

Abstract

An anti-safety bolt door lock with an original key on the reverse side, comprising a lock core body (1), an angle safety bolt rotating body (6), a middle selection pin (8), a safety bolt switch hook (12), and a shift fork (26) , pull hook thruster (28), spring landslide edge (33); Described lock core body (1) is provided with outside lock core (2) and inside lock core (14), and outside lock core (2) inserts front key (3) ) Rotate and open the deadbolt switch (13) to push away the latch positioning tongue (21) and the latch card (20), so that the latch card (20) is out of the control to open the latch and latch hook a (17) and latch hook b (25 ) is unlocked in place, and the key on the opposite side (3) is inserted into the lock hole of the outer lock cylinder (2) and rotated at an angle of 90°, that is, the switch hook (12) of the safety latch is released to hook the hook thruster (28) and the lower hook (24) moves downward Open and push the safety latch spring force shift fork shaft (27) to open or retract the safety latch (23). The development of this technology can solve the worries of consequences for the safety of human portals, and is the scientific research achievement that human beings dream of.

Description

The original reverse key unlocks the anti-safety latch door lock

(1) Technical field

The invention relates to an improved invention of a mechanical anti-theft door lock for commercial buildings.

(2) Background technology

With the improvement of human living standards, the pursuit of grandeur and luxury is the common goal of people. However, there are various high, medium and low-grade anti-theft door lock cylinders with boldness and luxury in the world market. The door lock bolt lacks the function of locking the anti-theft door safety back by a key. There are the following hidden dangers in the technical structure of the existing lock cylinder control rotation system with a single function; a. This technology has a long history of development and use, and has a single function. No matter what safety control function is added, it still relies on the two-sided alike key to control the code to open and lock the latch. This technology has been mastered by professional lock matching technicians and social illegal personnel. It is not uncommon for this series of anti-theft door locks to be opened. b. Ignorant children lock the safety bolt of the anti-theft door lock when they are playing at home, but the child does not know how to open the safety bolt of the anti-theft door, so that the child often relies on the most dangerous position when he is in panic, for example, the child stands on the door Finally, hitting the door may hurt the child; or using a pistol drill to drill the door lock, the child's first hearing the strange sound will cause the child's psychological fear to lose his mind in a panic and find the danger of finding an exit. The development of this technology obviously lacks security knowledge, which makes the owners who are far away from home worry a lot. Worrying about the safety of property at home has become the common wish of all mankind. This technical development has solved the problem of using the original key to lock the safety bolt of the anti-theft door, and also use the original key to turn the anti-theft door lock above the circle and lock the bolt in place before the owner can safely stay away from the house. The development of this technology has the potential of the following safety and insurance functions; 1. Anti-theft door lock insurance The anti-theft door locks the safety latch when the child is playing. But still use the original key to open the anti-theft door anti-lock safety latch, avoiding accidents. 2. The control function structure of this technology is unique, the control system is advanced, and it has a strong response to the superb professional unlocking technicians in the society. Using any unlocking tool can only open the anti-theft door latch, or open the anti-theft door anti-lock safety latch. Can choose to open an anti-theft door latch control function. The development of this technology can solve the worries for the safety of human portals. It is a scientific research achievement that human beings dream of, and it really belongs to a great revolution in the lock industry of all human beings.

(3) Contents of the invention

In view of the defects in the prior art, the present invention aims to provide a traditional anti-theft door lock that can be opened by both the front and back keys. This technology is designed to add opening and anti-latch safety latch functions on the front and back of the original key, effectively achieving safety and security. Higher to prevent lawbreakers from using all destructive means to open the anti-theft door lock, improve the safety factor of the house, and let the user feel at ease when going out.

The present invention is accomplished through the following scheme. An anti-safety latch door lock with a key on the reverse side, including a lock core body, an angle-rotating safety latch body, an intermediate selection pin, a safety latch switch hook, a shift fork, a hook thruster, and a spring The edge of the landslide is characterized in that: the lock core body is formed by drawing and casting of copper materials, the lock core body is provided with an outer lock core and an inner lock core, and the outer body of the middle section of the lock core body is provided with a sleeve insertion angle to rotate the safety latch body, The outer side of the middle section of the lock core body and the angle rotation safety latch body and the pin hole of the inner section of the outer lock cylinder are loaded with limit pins, middle selection pins, pressure pins, and spring seals for positioning, and rotate the safety latch on the outer side of the lock core body and at an angle The body is put into the seal of the positioning pin, and the positioning pin is an activity control angle rotation safety latch body, which is set in a long hole with a radius to play the role of rotation angle and positioning; the outer lock cylinder is inserted into the front key and rotated to open the deadbolt switch and push the latch card, Make the latch card disengage from the control latch telescopic tongue and open the latch and latch hook a and latch hook b along the notch; insert the key on the opposite side into the outer lock cylinder lock hole and rotate the safety latch switch hook to open the hook and hook the lower end of the pull hook thruster The draw hook is opened downward and the shift fork is opened to open the safety latch; the draw hook thrusters are respectively installed on both sides of the safety latch elastic fork shaft, and the draw hook thrusters are matched with the safety latch through the rotation of the safety latch switch hook; the draw hook The edge of the coil spring landslide on the back side of the thruster is matched with the opening and rebounding of the coil spring foot; the rotation of the angle rotation safety latch body is matched with the opening of the middle selection pin through the front limit pin pit of the reverse key; the angle rotation safety The radius long hole on the latch body is matched with the positioning pin to control the rotation angle; the front end of the switch hook of the safety latch is designed with a semicircular hook hooked on the lower end of the draw hook thruster to be easily opened by rolling; the upper end of the draw hook thruster is sickle-shaped and dialed The fork opens the safety latch to match.

The invention discloses an anti-theft latch door lock with an original key on the reverse side, which solves the problem that the existing commercial house mechanical anti-theft door lock only has a traditional single-function latch control mechanism, and lacks the function of using the original key to reverse the anti-theft latch safety lock. , a technical defect that greatly reduces the safety and anti-theft coefficient. This technology uses the anti-theft door safety lock function of the original key to lock the anti-theft door, and uses the front original key to turn the lock more than a few times. The development of this technology can solve the consequences for the safety of human portals. A great revolution in the lock industry of all mankind.

(4) Description of drawings

The present invention has following accompanying drawing.

Fig. 1 is the side sectional view of the anti-safety latch door lock of the original reverse side key unlatching of the present invention (Fig. 1 is twice as large as Fig. 2 and Fig. 3).

Fig. 2 is the front cross-sectional view of the anti-safety latch door lock of the present invention with the original key on the reverse side.

Fig. 3 is the front view of the back side of the lock body cover plate of the anti-safety latch door lock with the key on the original reverse side of the present invention.

(5) Specific implementation methods

The accompanying drawings disclose the technical structure of the present invention, and further describe its embodiments in detail in conjunction with the accompanying drawings: including a lock core body (1), an angle-rotating safety latch body (6), an intermediate selection pin (8), a safety latch switch hook ( 12), shift fork (26), drag hook thruster (28), spring landslide edge (33); described lock core body (1) adopts copper parts material die-casting processing molding, and lock core body (1) is provided with outer lock core (2) and the inner lock core (14), the outer body of the middle section of the lock core body (1) is provided with a sleeve that is larger than the outer body of the lock core and inserted into the angle-rotating safety latch body (6), the inner and outer sides of the lock core body (1) A number of pinholes consistent with the pinholes of the outer lock cylinder (2) and the inner lock cylinder (14) are drilled in the mold, and the middle section of the lock cylinder body (1) is out of the way and the upper inner section of the outer lock cylinder (2) is drilled separately. Pinholes are set, and the pinholes are specially loaded into the limit pinholes (7) and the middle selection pinholes (8) and the pressure pinholes (9), and the positioning pinholes are added on the side of the pinholes; the lock core body (1) Put the outer lock cylinder (2) into the hole of the outer lock cylinder, put the safety latch body (6) on the outer lock cylinder (2) and insert it into the inner sleeve of the outer lock cylinder body (1), and then put it on the outer lock cylinder (1). The inner end of the lock cylinder (2) is inserted into the push piece, and the outer side of the lock cylinder body (1) and each pin hole of the outer lock cylinder (2) are loaded with the lower pin (4) and the upper pin (5), and the lock core body (1) Put the limit pin (7), the middle selection pin (8), the pressing pin (9) and the spring seal into the middle-outward and angle-rotating safety latch body (6) and the inner pin hole of the outer lock cylinder (2), And in the lock core body (1) the outer side and the angle rotation safety latch body (6) are packed into the positioning pin (11) sealing, and the positioning pin (11) is that the radius slot is set on the movable control angle rotation safety latch body (6) (10) plays the role of rotation angle and positioning; the inner lock core (14) is loaded into the inner lock core hole of the lock core body (1), and the inner end of the inner lock core (14) is inserted into the push piece, and the inner lock core ( 14) When it is not inserted in place, put the deadbolt switch (13) into the inner end of the outer lock cylinder (2) and the inner end of the inner lock cylinder (14), and then install it on the inner side of the lock cylinder body (1) and the inner lock cylinder (14). ) into each pin hole, put the lower pin, the upper pin, and the spring seal, and buckle the circlip for positioning. When the bolt switch (13) is rotated, the key (3) selects the push piece of the inner lock cylinder (14) or the outer lock cylinder (2). The piece controls the rotation of the circle; the middle selection pin (8) is put into the center section of the lock cylinder body (1) and the upper pin hole of the angle rotation safety latch body (6), and the middle selection pin (8) is installed with the lower grain Limiting pins (7), middle selection pins (8) are installed with pressing pins (9) and spring seals for positioning; the drag thruster (28) adopts steel plate punching and shearing forming, and the drag hook thruster (28) is set to The left side and the right side are respectively installed on both sides of the elastic shifting fork shaft (27) of the safety latch, and the long hole (31) is arranged on the middle rod of the drag hook thruster (28), and the long hole (31) is installed on the lock body cover plate (29) On the two sides in the middle of the safety latch elastic shift fork shaft seat (32) and the lock cylinder body mounting hole (30) on the back On the locating pin shaft (34), it acts as a pull hook thruster (28). It is arc-circular, and the object is to be close to the circular body edge of the lock core body (1) without affecting the upward and downward opening and pulling trend. The inside of the hammer is designed with a drag hook (24), and the top of the backside hammer root is designed with a coil spring landslide edge (33). Spring landslide edge (33) shape is designed to go up shallow along with arc slope and be the deepest downwards, and coil spring landslide edge (33) moves to trap a bent shape foot on coil spring (35), coil spring (35) in addition A foot is sunken and installed on the lock body cover plate (29) and the one-piece punching and shearing is pressed into the clamp clip, and the ring spring (35) center ring hole is installed on the lock body cover plate (29) pin seat, and the purpose is to play a drag hook. Thruster (28) range of motion up and down opens and moves and compresses one foot of coil spring (35), and one foot of compressed coil spring (35) opens and rebounds when the safety latch switch hook (12) returns to its original position Push the drag hook thruster (28) back to its original position under the strong pressure of the landslide. After the drag hook thruster (28) is installed on the lock body cover (29), turn the lock body cover (29) over the lock body (16) and fix it with screws, then insert the lock core body (1) into the lock body (16) mounting hole (30), and use long screws to locate it on the lock body (16); the outer lock core (2) Insert the front key (3) into the lock hole and push the insert to lock the long hole in the center of the lock bolt switch (13). Turn the front key (3) to open the dead bolt switch (13) and push the latch positioning tongue (21) and latch card (20), make the latch card (20) break away from the control latch telescopic tongue (22) and open the first gear latch along the notch, and simultaneously open the latch hook a that is movably hinged on the latch telescopic tongue (22) plate (17) and bolt hook b (25), the front key (3) continues to rotate and lock bolt and bolt hook a (17) and bolt hook b (25) can be locked in place simultaneously; 3) Insert the outer lock cylinder (2) into the lock hole and rotate it at an angle of 90°, then pull out the safety latch switch hook (12) and hook the hook thruster (28) at the lower end of the hook (24). The conjoined shift fork (26) on the fork shaft (27) is opened or returned to the safety latch (23); the front end of the safety latch switch hook (12) is designed as a semicircular hook, and its purpose is to hook the pull hook thruster ( 28) The pull hook (24) at the lower end is rolled and opened easily, and the safety latch switch hook (12) is connected with an angle-rotating safety latch body (6). The pinholes play the role of rotation angle and positioning and opening; the upper end of the drag hook thruster (28) is sickle-shaped, and the upper end of the drag hook thruster (28) is sickle-shaped to press the safety latch elastic fork shaft (27). The shift fork (26) turns to the other direction, and at the same time, the booster turns the safety latch (23) to close the latch. When the latch program is opened, the latches are rotated in the opposite direction to the latch procedure to open each latch, and then continue to rotate to open and push Putter ( 19) The automatic latch shift fork (18) at the upper end is pulled into the automatic latch to open the anti-theft door for free access; The latch handle (15) belongs to the personnel in the room to open the anti-theft door or lock the safety; the front part of the reverse key (3) is provided with a pit, and the front part of the reverse key (3) is a matching limit The pin (7) and the limit pin (7) and the middle selection pin (8) are raised through the pit on the front section of the reverse key (3), so that the upper end of the middle selection pin (8) and the angle rotate the edge of the outer ring of the safety latch body (6) Keep the parallel rotation angle to rotate the safety latch body (6) connected safety latch switch hook (12) to unbolt the safety latch (23).

Claims (1)

1. a kind of original reverse side key unlatching is counter to insure bolt door lock, including lock core body (1), angle rotation insurance breechblock (6), intermediate choosing Pellet (8), safety latch switch hook (12), shift fork (26), drag hook thruster (28), spring landslide edge (33) are selected, feature exists In；The lock core body (1) uses copper piece material cast machine-shaping, lock core body (1) to set outside lock core (2) and inside lock core (14), lock core body (1) stage casing ectosome setting sleeve is inserted into angle rotation insurance breechblock (6), lock core body (1) stage casing outside and angle Position-limited marble (7) and intermediate selection pellet (8) and pressure are packed into rotation insurance breechblock (6) and outside lock core (2) inner segment marble hole Position pellet (9) and spring seals positioning, and outside and angle rotation insurance breechblock (6) partially is packed into positioning in lock core body (1) Pellet (11) seals, and positioning pellet (11) is risen in setting radius slot hole (10) on activity control angle rotation insurance breechblock (6) To rotation angle and positioning action；Outside lock core (2) the insertion front key (3) rotarily opens lock tongue switch (13) and pushes open Bolt card (20), make bolt card (20) be detached from control lock bolt telescopic tongue (22) upper edge recess output lock bolt and bolt hook a (17) and Bolt hook b (25)；Reverse side key (3) insertion outside lock core (2) lockhole rotation safety latch switch hook (12), which is outputed, hooks Amplitude opening passage shift fork (26) outputs safety latch (23) to drag hook thruster (28) lower end drag hook (24) down；The drag hook pushes away Power device (28) is separately mounted to safety latch elastic force shift fork axle (27) both sides, and drag hook thruster (28) passes through safety latch switch hook (12) Rotation is matched with safety latch (23)；It is opened with ring spring (35) foot on drag hook thruster (28) back side ring spring landslide edge (33) Rebound return matching；Before the angle rotation insures breechblock (6) rotation and intermediate selection pellet (8) by reverse side key (3) Section position-limited marble (7) pit opens matching；Angle rotation insurance breechblock (6) the upper half diameter slot hole (10) and positioning pellet (11) control rotation angle matching；Described safety latch switch hook (12) the Front-end Design semicircle hook hooks drag hook thruster (28) lower end drag hook (24) roller is easily opened；Sickle-shaped opened with shift fork (26) in described drag hook thruster (28) upper end is protected Danger door bolt (23) matching.