CN111502415B - Reversible lock body with square tongue protection - Google Patents
Reversible lock body with square tongue protection Download PDFInfo
- Publication number
- CN111502415B CN111502415B CN202010343854.5A CN202010343854A CN111502415B CN 111502415 B CN111502415 B CN 111502415B CN 202010343854 A CN202010343854 A CN 202010343854A CN 111502415 B CN111502415 B CN 111502415B
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- China
- Prior art keywords
- tongue
- safety
- plate
- shifting fork
- dead bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000002441 reversible effect Effects 0.000 title claims abstract description 26
- 238000003780 insertion Methods 0.000 claims description 10
- 238000005381 potential energy Methods 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
- E05B15/101—Spring-retracted bolts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
- E05B15/102—Bolts having movable elements
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
- E05B15/108—Bolts with multiple head
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/20—Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position
- E05B17/2003—Preventing opening by insertion of a tool, e.g. flexible, between door and jamb to withdraw the bolt
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a reversible lock body with a square tongue protection, which comprises a safety tongue, a safety plate, a safety tongue pulling plate, a square tongue safety plate, a safety tongue pulling plate column nail and a plurality of reset springs, wherein when a door is in an open state, the safety tongue stretches out under the action of the safety tongue pulling plate reset spring, the rear end of the square tongue safety plate is blocked on a path in the stretching direction of a square tongue assembly under the action of the square tongue safety plate reset spring, and the front end of the safety plate is separated from a path in the retracting direction of an oblique tongue assembly under the action of the safety plate reset spring; when the door is in a closed state, the safety tongue is pressed down by the door frame, the rear end of the square tongue safety plate is separated from the path of the square tongue assembly in the extending direction under the action of the square tongue safety plate reset spring, and the front end of the safety plate is blocked on the path of the inclined tongue assembly in the retracting direction under the action of the safety plate reset spring. The invention can effectively solve the problem that the lock body square tongue is easy to be damaged due to nonstandard use and operation, and has compact structure and high stability and safety of product quality.
Description
Technical Field
The invention belongs to the technical field of door locks, and particularly relates to a reversible lock body with a square bolt protection function.
Background
The electronic intelligent lock is a common lock in modern society and is widely used in hotels, apartments and other places. The square tongue in the electronic intelligent lock body is used for enhancing the safety of locking the door in a door closing state, but is often used in an irregular manner, the square tongue is beaten out when the door is not closed, so that the door cannot be normally closed, and the door and the lock can be damaged to a certain extent when the door is blown by wind or when a person does not pay attention to closing the door at all in the state, so that the maintenance cost is greatly increased.
Disclosure of Invention
The invention aims to solve the problem of providing a reversible lock body with a square tongue protection, which is characterized in that the internal structure is optimized and improved on the basis of damage caused by nonstandard operation of the square tongue of the original lock body, so that the square tongue structure of the lock body is better protected, and the stability and the safety of the product quality are improved.
In order to solve the technical problems, the invention provides a reversible lock body with a square tongue protection, which comprises a lock body shell, and a bevel tongue component, a square tongue component and a safety tongue component which are arranged in the lock body shell, wherein the safety tongue component is positioned between the bevel tongue component and the square tongue component;
the plate surface of the lock body shell is provided with a limit column and a first limit waist-shaped hole, the first limit waist-shaped hole is arranged along the extension direction of the lock tongue, the side surface of the lock body shell is provided with an inclined tongue guide hole, a square tongue guide hole and a safety tongue guide hole;
the safety tongue component comprises a safety tongue, a safety plate, a safety tongue pulling plate, a square tongue safety plate, a safety plate reset spring, a safety tongue pulling plate reset spring, a square tongue safety plate reset spring, a safety tongue pulling plate gasket and a safety tongue pulling plate column nail;
the front end of the safety tongue pulling plate is connected with the safety tongue, the safety plate, the safety tongue pulling plate gasket and the square tongue safety plate are sequentially and movably sleeved on the limiting column from bottom to top, and the upper end of the limiting column is provided with an axial limiting piece for limiting the safety plate, the safety tongue pulling plate gasket and the square tongue safety plate to move along the axial direction of the limiting column;
the plate surface of the safety tongue pulling plate is provided with a column nail connecting hole and a second limiting waist-shaped hole, the second limiting waist-shaped hole is arranged along the extending and contracting direction of the lock tongue, and the column nail of the safety tongue pulling plate is fixed on the column nail connecting hole, and the lower end of the column nail is in sliding connection with the first limiting waist-shaped hole; the lower end of the safety tongue pulling plate gasket is in sliding connection with the second limiting waist-shaped hole;
the safety plate reset spring, the safety tongue pulling plate reset spring and the square tongue safety plate reset spring are sleeved on the safety tongue pulling plate gasket in sequence from bottom to top; under the action of the safety plate reset spring, the edge outline of the safety plate is abutted against the safety tongue pulling plate column nail, and the front end of the safety plate has potential energy abutted against one side of the inclined tongue component; under the action of the restoring spring of the safety tongue pulling plate, the safety tongue pulling plate has potential energy for pushing the safety tongue to one side of the safety tongue guide hole; under the action of the square tongue safety plate reset spring, the edge outline of the square tongue safety plate is abutted against the safety tongue pulling plate column nail, and the rear end of the square tongue safety plate has potential energy abutted against one side of the square tongue assembly;
when the door is in an open state, the safety tongue stretches out of the safety tongue guide hole under the action of the safety tongue pulling plate reset spring, the safety tongue pulling plate column nail slides to the front end of the first limiting waist-shaped hole, the rear end of the square tongue safety plate is blocked on a path in the stretching direction of the square tongue assembly under the action of the square tongue safety plate reset spring, and the front end of the safety plate is separated from a path in the retracting direction of the inclined tongue assembly under the action of the safety plate reset spring;
when the door is in a closed state, the safety tongue is pressed down by the door frame to retract into the safety tongue guide hole, the safety tongue pulling plate column nails slide to the rear end of the first limiting waist-shaped hole, the rear end of the square tongue safety plate is separated from the path in the extending direction of the square tongue assembly under the action of the square tongue safety plate reset spring, and the front end of the safety plate is blocked on the path in the retracting direction of the inclined tongue assembly under the action of the safety plate reset spring.
As a preferable scheme of the invention, the front end of the safety tongue pulling plate is provided with a plug board which is bent and formed at a right angle, the middle of the safety tongue is provided with a slot which is matched with the plug board, the plug board and the slot are both provided with safety tongue pin holes which can be transversely penetrated by elastic cotter pins, and the safety tongue can swing at plus or minus 45 degrees by taking the elastic cotter pins as the center.
As a preferable scheme of the invention, a limiting plate is arranged on the plate surface of the lock body shell, a first spring hanging leg is arranged on the side edge of the safety plate, a second spring hanging leg is arranged on the side edge of the square tongue safety plate, one end of the safety plate reset spring is buckled with the first spring hanging leg, the other end of the safety plate reset spring is buckled with the limiting plate, one end of the safety plate reset spring is sleeved with the safety plate washer, the other end of the safety plate reset spring is sleeved with the safety plate column nail, one end of the square tongue safety plate reset spring is buckled with the second spring hanging leg, and the other end of the square tongue safety plate reset spring is buckled with the limiting plate.
As a preferable scheme of the invention, the upper end and the lower end of the safety tongue pulling plate washer are respectively provided with steps for fixing the assembly interval between the square tongue safety plate and the safety tongue pulling plate.
As the preferable scheme of the invention, the middle part of the safety tongue pulling plate gasket is provided with 3 annular clamping grooves for fixing the assembly intervals of the safety tongue reset spring, the safety tongue pulling plate reset spring and the square tongue safety plate reset spring.
As a preferable scheme of the invention, the axial limiting part is a screw, the limiting column is provided with a threaded hole coaxial with the axis of the limiting column, and the screw is connected with the threaded hole.
As a preferable scheme of the invention, the inclined tongue component comprises an inclined tongue, an anti-inserting tongue, an inclined tongue pull rod, an inclined tongue spring, an inclined tongue fixing screw, an elastic pin, an inclined tongue limiting piece and a clamp spring;
the front end of the inclined tongue is provided with a groove matched with the anti-insertion tongue, and the anti-insertion tongue and the groove are both provided with inclined tongue pin holes for the elastic pins to transversely penetrate through;
the rear end of the inclined tongue is provided with a pull rod jack for inserting the inclined tongue pull rod, and an inclined tongue threaded hole for connecting the inclined tongue fixing screw;
the front end of the inclined tongue pull rod is sequentially provided with a first annular groove and a second annular groove from inside to outside, the inclined tongue spring is sleeved on the inclined tongue pull rod, and the front end of the inclined tongue spring is provided with a conical shrinkage mouth which is in fit connection with the first annular groove; the section of the second annular groove is arc-shaped, when the inclined tongue pull rod is inserted into the pull rod jack to a certain depth, the inclined tongue threaded hole is communicated with the second annular groove, and the inclined tongue fixing screw is inserted into the second annular groove through the inclined tongue threaded hole;
the rear end of the inclined tongue pull rod is provided with a cylindrical boss, the inclined tongue limiting piece is provided with a boss round hole which is connected with the cylindrical boss in a matched mode, the cylindrical boss is provided with a third annular groove, and the clamp spring is clamped on the third annular groove and forms an axial limiting structure at the rear end of the inclined tongue limiting piece.
As the preferable scheme of the invention, the lock body with the square tongue protection reversing function also comprises a clutch shifting fork assembly, wherein the clutch shifting fork assembly comprises a clutch shifting fork, an upper shifting fork, a lower shifting fork, a clutch pin spring, a clutch pin baffle plate and a shifting fork screw;
the upper shifting fork and the lower shifting fork have the same structural characteristics and are symmetrically arranged on the upper end face and the lower end face of the clutch shifting fork;
the upper shifting fork and the lower shifting fork are respectively provided with a screw fixing hole at the same side edge, a shifting fork threaded hole matched with the screw fixing holes is arranged at the side edge of the clutch shifting fork, one shifting fork screw is arranged, when the lock body is assembled in the forward direction, the shifting fork screw penetrates through the screw fixing holes on the upper shifting fork to be connected with the shifting fork threaded holes, and when the lock body is assembled in the reverse direction, the shifting fork screw penetrates through the screw fixing holes on the lower shifting fork to be connected with the shifting fork threaded holes;
the clutch pin is characterized in that an opening groove is formed in the lower end face side part of the upper shifting fork and the upper end face side part of the lower shifting fork, a shifting fork pin hole is formed in the side part of the clutch shifting fork, the inner end of the shifting fork pin hole is communicated with the opening groove, the outer end of the shifting fork pin hole is matched and fixed with the clutch pin baffle plate, the clutch pin is cross-shaped and comprises a first axial end, a second axial end, a first radial end and a second radial end, the first axial end is sleeved with the clutch pin spring and inserted into the shifting fork pin hole, and the second axial end is in sliding connection with the clutch pin baffle plate;
when the clutch pin is inserted into the shifting fork pin hole to a certain depth, the first radial end is clamped into the open slot on the upper shifting fork, the second radial end is clamped into the open slot on the lower shifting fork, and the clutch shifting fork, the upper shifting fork and the lower shifting fork form a linkage structure; when the clutch pin is separated from the open slot under the action of the clutch pin spring, the clutch shifting fork and the upper shifting fork or the clutch shifting fork and the lower shifting fork form a linkage structure.
As a preferable scheme of the invention, the lower end face of the upper shifting fork and the upper end face of the lower shifting fork are respectively provided with a circular boss, and the upper end face and the lower end face of the clutch shifting fork are respectively provided with a circular concave cavity matched with the circular bosses.
As a preferable scheme of the invention, the outer end of the shifting fork pin hole is provided with a round countersunk hole which is matched and fixed with the clutch pin baffle plate.
Compared with the prior art, the reversible lock body with the square tongue protection has the following beneficial effects:
when the door is in an open state, the safety tongue stretches out of the safety tongue guide hole under the action of the safety tongue pulling plate reset spring, the safety tongue pulling plate column nails slide to the front end of the first limiting waist-shaped hole, the rear end of the square tongue safety plate is blocked on the path of the extending direction of the square tongue assembly under the action of the square tongue safety plate reset spring, and the front end of the safety plate is separated from the path of the retracting direction of the inclined tongue assembly under the action of the safety plate reset spring. At the moment, the square tongue is in a self-locking state and cannot be unscrewed, so that the square tongue is protected from unnecessary impact, and faults are reduced; instead, the inclined tongue is in a free state, so that the inclined tongue can retract to the bottom;
when the door is in a closed state, the safety tongue is pressed down by the door frame to retract into the safety tongue guide hole, the safety tongue pulling plate column nail slides to the rear end of the first limiting waist-shaped hole, the rear end of the square tongue safety plate is separated from the path in the extending direction of the square tongue assembly under the action of the square tongue safety plate reset spring, and the front end of the safety plate is blocked on the path in the retracting direction of the inclined tongue assembly under the action of the safety plate reset spring. At this time, the square tongue is in a free state, so that the square tongue can be screwed out of the square tongue guide hole; instead, the inclined tongue is in a self-locking state and cannot retract, so that the anti-insertion function is achieved;
therefore, the safety tongue component can effectively solve the problem that the square tongue of the lock body is easy to damage caused by nonstandard use and operation, and has the advantages of compact structure and high stability and safety of product quality.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is an assembly view of a reversible lock body with a tab protection according to the present invention;
FIG. 2 is an exploded view of the safety tongue assembly;
FIG. 3 is a schematic view of a reversible lock with a tongue protection according to the present invention in an open door condition;
FIG. 4 is a schematic view of a reversible lock with a tongue protection according to the present invention in a closed door position;
FIG. 5 is an exploded view of the tongue assembly;
FIG. 6 is an exploded view of the clutch fork assembly;
fig. 7 and 8 are sectional views of the clutch fork assembly, wherein fig. 7 shows the clutch pin and the open slot in a separated state, and fig. 8 shows the clutch pin and the open slot in an engaged state;
FIGS. 9-12 are schematic illustrations of a tongue assembly reversing process;
fig. 13 and 14 are schematic diagrams of the reversing process of the clutch fork assembly.
The marks in the figure:
100. the lock body comprises a lock body shell, 101, a limiting column, 102, a first limiting waist-shaped hole, 103, an inclined tongue guide hole, 104, a square tongue guide hole, 105, a safety tongue guide hole, 106 and a limiting plate;
200. the latch assembly, 201, the latch, 202, the anti-insert latch, 203, the latch pull rod, 204, the latch spring, 205, the latch set screw, 206, the elastic pin, 207, the latch limit piece, 208, the clamp spring, 209, the groove, 210, the latch pin hole, 211, the pull rod jack, 212, the latch threaded hole, 213, the first annular groove, 214, the second annular groove, 215, the tapered throat, 216, the cylindrical boss, 217, the boss round hole, 218, the third annular groove;
300. a square tongue component 301 and a square tongue;
400. a safety tongue component 401, a safety tongue 402, a safety plate, 403, a safety tongue pulling plate, 404, a square tongue safety plate, 405, a safety plate reset spring, 406, a safety tongue pulling plate reset spring, 407, a square tongue safety plate reset spring, 408, a safety tongue pulling plate gasket, 409, a safety tongue pulling plate column nail, 410, an axial limiting piece, 411, a column nail connecting hole, 412, a second limiting waist-shaped hole, 413, a plugboard, 414, a slot, 415, an elastic cotter pin, 416, a safety tongue pin hole, 417, a first spring hanging leg, 418, a second spring hanging leg, 419, a step, 420 and an annular clamping groove;
500. clutch fork assembly 501, clutch fork 502, upper fork 503, lower fork 504, clutch pin spring 506, clutch pin 507, clutch pin stop piece 508, fork screw 509, circular boss 510, circular cavity 511, screw fixing hole 512, fork threaded hole 513, open slot 514, fork pin hole 515, circular countersunk hole 516, first axial end 517, second axial end 518, first radial end 519, second radial end;
600. motor, 601, circular arc push pedal.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 14 in combination, the reversible lock body with a dead bolt protection according to the present invention includes a lock body housing 100, and a dead bolt assembly 200, a dead bolt assembly 300 and a safety bolt assembly 400 disposed in the lock body housing 100, wherein the safety bolt assembly 400 is disposed between the dead bolt assembly 200 and the dead bolt assembly 300.
The plate surface of the lock body shell 100 is provided with a limit column 101 and a first limit waist-shaped hole 102, the first limit waist-shaped hole 102 is arranged along the extension direction of the lock tongue, and the side surface of the lock body shell 100 is provided with an inclined tongue guide hole 103, a square tongue guide hole 104 and a safety tongue guide hole 105; the safety tongue assembly 400 comprises a safety tongue 401, a safety plate 402, a safety tongue pulling plate 403, a square tongue safety plate 404, a safety plate reset spring 405, a safety tongue pulling plate reset spring 406, a square tongue safety plate reset spring 407, a safety tongue pulling plate washer 408 and a safety tongue pulling plate post pin 409; the front end of the safety tongue pulling plate 403 is connected with the safety tongue 401, the safety tongue 402, the safety tongue pulling plate 403, the safety tongue pulling plate gasket 408 and the square tongue safety plate 404 are movably sleeved on the limit post 101 from bottom to top in sequence, and an axial limit piece 410 for limiting the safety tongue 402, the safety tongue pulling plate 403, the safety tongue pulling plate gasket 408 and the square tongue safety plate 404 to move along the axial direction of the limit post 101 is arranged at the upper end of the limit post 101; the plate surface of the safety tongue pulling plate 403 is provided with a column nail connecting hole 411 and a second limiting waist-shaped hole 412, the second limiting waist-shaped hole 412 is arranged along the extending direction of the lock tongue, the column nail 409 of the safety tongue pulling plate is fixed on the column nail connecting hole 411, and the lower end of the column nail is in sliding connection with the first limiting waist-shaped hole 102; the lower end of the safety tongue pulling plate washer 408 is slidably connected with the second limiting kidney-shaped hole 412; the safety plate reset spring 405, the safety tongue pulling plate reset spring 406 and the square tongue safety plate reset spring 407 are sleeved on the safety tongue pulling plate gasket 408 from bottom to top in sequence; the edge contour of the safety plate 402 is abutted against the safety tongue pulling plate column pin 409 under the action of the safety plate resetting spring 405, and the front end of the safety plate 402 has potential energy leaning towards one side of the inclined tongue component 200; under the action of the safety tongue pulling plate return spring 406, the safety tongue pulling plate 403 has potential energy for pushing the safety tongue 401 to one side of the safety tongue guide hole 105; the edge profile of the tongue safety plate 404 abuts against the tongue plate stud 409 under the action of the tongue safety plate return spring 407, and the rear end of the tongue safety plate 404 has potential energy against the side of the tongue assembly 300.
When the door is in an open state, the safety tongue 401 extends out of the safety tongue guide hole 105 under the action of the safety tongue pulling plate reset spring 406, the safety tongue pulling plate column pin 409 slides to the front end of the first limiting kidney-shaped hole 102, the rear end of the square tongue safety plate 404 is blocked on the path of the extending direction of the square tongue assembly 300 under the action of the square tongue safety plate reset spring 407, and the front end of the safety plate 402 is separated from the path of the retracting direction of the inclined tongue assembly 200 under the action of the safety plate reset spring 405. At this time, the square tongue 301 is in a state that the self-locking cannot be unscrewed, so as to protect the square tongue 301 from unnecessary collision and reduce faults; instead, the tongue is in a free state, enabling the tongue to retract to the bottom.
When the door is in a closed state, the safety tongue 401 is pressed down by the door frame to retract into the safety tongue guide hole 105, the safety tongue pulling plate column pin 409 slides to the rear end of the first limiting kidney-shaped hole 102, the rear end of the square tongue safety plate 404 is separated from the path in the extending direction of the square tongue assembly 300 under the action of the square tongue safety plate reset spring 407, and the front end of the safety plate 402 is blocked on the path in the retracting direction of the inclined tongue assembly 200 under the action of the safety plate reset spring 405. At this time, the tongue 301 is in a free state, and the tongue 301 can be screwed out of the tongue guide hole 104; instead, the inclined tongue is in a self-locking state and cannot retract, so that the anti-inserting function is achieved.
Therefore, the reversible lock body with the square tongue protection can effectively solve the problem that the square tongue of the lock body is easy to damage caused by nonstandard use and operation, and is compact in structure and high in stability and safety of product quality.
For example, the front end of the safety tongue pulling plate 403 is provided with a plug plate 413 formed by bending at right angles, a slot 414 matched with the plug plate 413 is provided in the middle of the safety tongue 401, the plug plate 413 and the slot 414 are respectively provided with a safety tongue pin hole 416 through which the elastic cotter pin 415 can transversely pass, and the safety tongue 401 can swing around the elastic cotter pin 415 by plus or minus 45 degrees. Therefore, when the door lock is closed and impacts the safety tongue 401, the safety tongue 401 can swing at a certain angle, impact of the safety tongue is buffered, and the service life of the safety tongue is longer.
For example, in order to better arrange the acting force direction of each return spring and prevent the return spring from separating, the board surface of the lock body shell 100 is provided with a limiting plate 106, the side edge of the safety plate 402 is provided with a first spring hanging leg 417, the side edge of the square tongue safety plate 404 is provided with a second spring hanging leg 418, one end of the safety plate return spring 405 is buckled with the first spring hanging leg 417, the other end of the safety plate return spring 405 is buckled with the limiting plate 106, one end of the safety plate return spring 406 is sleeved with the safety plate washer 408, the other end of the safety plate return spring 406 is sleeved with the safety plate column pin 409, one end of the square tongue safety plate return spring 407 is buckled with the second spring hanging leg 418, and the other end of the square tongue safety plate return spring 407 is buckled with the limiting plate 106.
Illustratively, the upper and lower ends of the tongue plate washer 408 are respectively provided with a step 419, and the steps 419 are used for fixing the assembly distance between the tongue plate 404 and the tongue plate 403 so as to avoid the action interference between the tongue plate 404 and the tongue plate 403.
Illustratively, 3 annular clamping grooves 420 are provided in the middle of the safety tongue pulling plate washer 408, and the annular clamping grooves 420 are used for fixing assembly intervals of the safety tongue pulling plate reset spring 405, the safety tongue pulling plate reset spring 406 and the square tongue safety plate reset spring 407, so as to avoid action interference among the safety tongue reset spring 405, the safety tongue pulling plate reset spring 406 and the square tongue safety plate reset spring 407.
Illustratively, the axial limiter 410 is a screw, and the limiting post 101 is provided with a threaded hole coaxial with the axis thereof, and the screw is connected with the threaded hole. Of course, in other embodiments, the axial limiter 410 may be a latch, a clip, or the like.
Illustratively, the latch assembly 200 includes a latch 201, an anti-latch 202, a latch pull 203, a latch spring 204, a latch set screw 205, a resilient pin 206, a latch limit 207, and a snap spring 208; the front end of the inclined tongue 201 is provided with a groove 209 matched with the anti-insertion tongue 202, and the anti-insertion tongue 202 and the groove 209 are provided with inclined tongue pin holes 210 for the elastic pins 206 to transversely penetrate through; the rear end of the inclined tongue 201 is provided with a pull rod inserting hole 211 for inserting the inclined tongue pull rod 203, and an inclined tongue threaded hole 212 for connecting the inclined tongue fixing screw 205; the front end of the inclined tongue pull rod 203 is sequentially provided with a first annular groove 213 and a second annular groove 214 from inside to outside, the inclined tongue spring 204 is sleeved on the inclined tongue pull rod 203, and the front end of the inclined tongue spring 204 is provided with a conical shrinkage opening 215 which is in fit connection with the first annular groove 213; the second annular groove 214 has an arc-shaped cross section, and when the latch pull rod 203 is inserted into the pull rod insertion hole 211 to a certain depth, the latch threaded hole 212 is communicated with the second annular groove 214, and the latch fixing screw 205 is inserted into the second annular groove 214 through the latch threaded hole 212; the rear end of the latch pull rod 203 is provided with a cylindrical boss 216, the latch limiting piece 207 is provided with a boss round hole 217 which is matched and connected with the cylindrical boss 216, the cylindrical boss 216 is provided with a third annular groove 218, and the clamp spring 208 is clamped on the third annular groove 218 and forms an axial limiting structure at the rear end of the latch limiting piece 207. It should be noted that, due to the matching connection design of the first annular groove 213 and the tapered slot 215, the latch spring 204 is not easy to fall off; the design of the matching connection of the cylindrical boss 216 and the boss round hole 217 can reduce the swing angle of the inclined tongue limit piece 207, so that the clamp spring 208 at the rear end of the inclined tongue limit piece 207 is protected, and the problem that the clamp spring 208 is deformed and falls off due to the fact that the inclined tongue limit piece 207 swings too much is solved.
Based on the description of the embodiments above, the reversible lock body with the tongue protection further comprises a clutch fork assembly 500, wherein the clutch fork assembly 500 comprises a clutch fork 501, an upper fork 502, a lower fork 503, a clutch pin spring 504, a clutch pin 506, a clutch pin baffle 507 and a fork screw 508.
The upper fork 502 and the lower fork 503 have the same structural characteristics and are symmetrically arranged on the upper end surface and the lower end surface of the clutch fork 501, wherein the lower end surface of the upper fork 502 and the upper end surface of the lower fork 503 are both provided with a circular boss 509, and the upper end surface and the lower end surface of the clutch fork 501 are both provided with a circular concave cavity 510 matched with the circular boss 509, so that the rotation axes of the clutch fork 501, the upper fork 502 and the lower fork 503 can be ensured to be positioned on the same central axis; a screw fixing hole 511 is formed in the same side edge portion of the upper shifting fork 502 and the lower shifting fork 503, a shifting fork threaded hole 512 matched with the screw fixing hole 511 is formed in the side edge portion of the clutch shifting fork 501, one shifting fork screw 508 is arranged, when the lock body is assembled in the forward direction, the shifting fork screw 508 penetrates through the screw fixing hole 511 in the upper shifting fork 502 to be connected with the shifting fork threaded hole 512, and when the lock body is assembled in the reverse direction, the shifting fork screw 508 penetrates through the screw fixing hole 511 in the lower shifting fork 503 to be connected with the shifting fork threaded hole 512; an opening slot 513 is formed in the lower end face edge of the upper shifting fork 502 and the upper end face edge of the lower shifting fork 503, a shifting fork pin hole 514 is formed in the edge of the clutch shifting fork 501, the inner end of the shifting fork pin hole 514 is communicated with the opening slot 513, the outer end of the shifting fork pin hole 514 is matched and fixed with the clutch pin baffle 507, and for facilitating installation and fixation of the clutch pin baffle 507, a circular countersunk hole 515 matched and fixed with the clutch pin baffle 507 is formed in the outer end of the shifting fork pin hole 514; the clutch pin 506 is cross-shaped and comprises a first axial end 516, a second axial end 517, a first radial end 518 and a second radial end 519, wherein the first axial end 516 is sleeved with the clutch pin spring 504 and inserted into the shift fork pin hole 514, and the second axial end 517 is slidably connected with the clutch pin baffle 507; when the clutch pin 506 is inserted into the shift fork pin hole 514 to a certain depth, the first radial end 518 is clamped into the opening groove 513 on the upper shift fork 502, the second radial end 519 is clamped into the opening groove 513 on the lower shift fork 503, and the clutch shift fork 501, the upper shift fork 502 and the lower shift fork 503 form a linkage structure; when the clutch pin 506 is separated from the opening groove 513 by the clutch pin spring 504, the clutch fork 501 and the upper fork 502 or the clutch fork 501 and the lower fork 503 form a linkage structure.
Taking an electronic door lock as an example, when the motor 600 rotates forward, the circular arc pushing plate 601 is driven to push the clutch pin 506 to be clamped into the side of the open slot 513, and when the first radial end 518 and the second radial end 519 are clamped into the open slot 513, the clutch shifting fork 501, the upper shifting fork 502 and the lower shifting fork 503 form a linkage structure, and the linkage structure can rotate under the action of a door outer handle or a door inner handle to open the door lock; when the motor 600 rotates reversely, the arc push plate 601 is driven to reset, the clutch pin 506 is separated from the opening groove 513 under the action of the clutch pin spring 504, and the clutch fork 501 and the upper fork 502 (when the lock body is assembled positively) or the clutch fork 501 and the lower fork 503 (when the lock body is assembled reversely) form a linkage structure, and the linkage structure can rotate under the action of the door handle, and the door lock can be opened, but cannot rotate under the action of the door handle.
When the lock body is operated in a reversing way, the inclined tongue fixing screw 205 is screwed out after the outer lining plate is detached; after the anti-inserting tongue 202 is erected, the inclined tongue 201 is completely pulled out and rotated 180 degrees; reloading the tongue 201 into the lock (note: the anti-lock tongue 202 is also in an upright position during insertion); after the inclined tongue 201 is put in place, the inclined tongue fixing screw 205 is put into the inclined tongue screw hole and screwed, and the outer lining plate is put back; at the same time, the shifting fork screw 508 is screwed out from one side shifting fork (such as the upper shifting fork 502), and the shifting fork screw 508 is screwed down from the other side shifting fork (such as the lower shifting fork 503), so that the whole lock body reversing process is completed. Therefore, the reversing operation of the lock body does not need to disassemble the cover of the lock body, the operation is simple and convenient, the professional technical requirements of installers can be reduced, and the assembly efficiency of the door lock is improved.
The foregoing disclosure is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (10)
1. The reversible lock body with the square tongue protection is characterized by comprising a lock body shell, and an inclined tongue component, a square tongue component and a safety tongue component which are arranged in the lock body shell, wherein the safety tongue component is positioned between the inclined tongue component and the square tongue component;
the plate surface of the lock body shell is provided with a limit column and a first limit waist-shaped hole, the first limit waist-shaped hole is arranged along the extension direction of the lock tongue, the side surface of the lock body shell is provided with an inclined tongue guide hole, a square tongue guide hole and a safety tongue guide hole;
the safety tongue component comprises a safety tongue, a safety plate, a safety tongue pulling plate, a square tongue safety plate, a safety plate reset spring, a safety tongue pulling plate reset spring, a square tongue safety plate reset spring, a safety tongue pulling plate gasket and a safety tongue pulling plate column nail;
the front end of the safety tongue pulling plate is connected with the safety tongue, the safety plate, the safety tongue pulling plate gasket and the square tongue safety plate are sequentially and movably sleeved on the limiting column from bottom to top, and the upper end of the limiting column is provided with an axial limiting piece for limiting the safety plate, the safety tongue pulling plate gasket and the square tongue safety plate to move along the axial direction of the limiting column;
the plate surface of the safety tongue pulling plate is provided with a column nail connecting hole and a second limiting waist-shaped hole, the second limiting waist-shaped hole is arranged along the extending and contracting direction of the lock tongue, and the column nail of the safety tongue pulling plate is fixed on the column nail connecting hole, and the lower end of the column nail is in sliding connection with the first limiting waist-shaped hole; the lower end of the safety tongue pulling plate gasket is in sliding connection with the second limiting waist-shaped hole;
the safety plate reset spring, the safety tongue pulling plate reset spring and the square tongue safety plate reset spring are sleeved on the safety tongue pulling plate gasket in sequence from bottom to top; under the action of the safety plate reset spring, the edge outline of the safety plate is abutted against the safety tongue pulling plate column nail, and the front end of the safety plate has potential energy abutted against one side of the inclined tongue component; under the action of the restoring spring of the safety tongue pulling plate, the safety tongue pulling plate has potential energy for pushing the safety tongue to one side of the safety tongue guide hole; under the action of the square tongue safety plate reset spring, the edge outline of the square tongue safety plate is abutted against the safety tongue pulling plate column nail, and the rear end of the square tongue safety plate has potential energy abutted against one side of the square tongue assembly;
when the door is in an open state, the safety tongue stretches out of the safety tongue guide hole under the action of the safety tongue pulling plate reset spring, the safety tongue pulling plate column nail slides to the front end of the first limiting waist-shaped hole, the rear end of the square tongue safety plate is blocked on a path in the stretching direction of the square tongue assembly under the action of the square tongue safety plate reset spring, and the front end of the safety plate is separated from a path in the retracting direction of the inclined tongue assembly under the action of the safety plate reset spring;
when the door is in a closed state, the safety tongue is pressed down by the door frame to retract into the safety tongue guide hole, the safety tongue pulling plate column nails slide to the rear end of the first limiting waist-shaped hole, the rear end of the square tongue safety plate is separated from the path in the extending direction of the square tongue assembly under the action of the square tongue safety plate reset spring, and the front end of the safety plate is blocked on the path in the retracting direction of the inclined tongue assembly under the action of the safety plate reset spring.
2. The reversible lock with dead bolt protection as claimed in claim 1, wherein the front end of the dead bolt pulling plate is provided with a plug board formed by right-angle bending, a slot matched with the plug board is arranged in the middle of the dead bolt, the plug board and the slot are provided with dead bolt pin holes for the elastic cotter pin to transversely pass through, and the dead bolt can swing by plus or minus 45 degrees with the elastic cotter pin as a center.
3. The reversible lock with dead bolt protection of claim 1, wherein a limiting plate is arranged on the plate surface of the lock body shell, a first spring hanging leg is arranged on the side edge of the safety plate, a second spring hanging leg is arranged on the side edge of the dead bolt safety plate, one end of the safety plate reset spring is buckled with the first spring hanging leg, the other end of the safety plate reset spring is buckled with the limiting plate, one end of the safety plate reset spring is sleeved with the safety plate washer, the other end of the safety plate reset spring is sleeved with the safety plate column nail, one end of the dead bolt reset spring is buckled with the second spring hanging leg, and the other end of the dead bolt reset spring is buckled with the limiting plate.
4. The reversible lock with dead bolt protection as claimed in claim 1, wherein the upper and lower ends of the dead bolt pulling plate washer are respectively provided with steps for fixing the assembly interval between the dead bolt pulling plate and the dead bolt pulling plate.
5. The reversible lock with dead bolt protection of claim 1, wherein the middle portion of the dead bolt pulling plate washer is provided with 3 annular clamping grooves for fixing the assembly spacing of the dead bolt restoring spring, dead bolt pulling plate restoring spring and dead bolt restoring spring.
6. The reversible lock with dead bolt protection as claimed in claim 1, wherein said axial stop member is a screw, said stop post is provided with a threaded hole coaxial with the axis thereof, and said screw is connected to said threaded hole.
7. The reversible lock with dead bolt protection of claim 1, wherein the dead bolt assembly comprises a dead bolt, an anti-insertion dead bolt, a dead bolt pull rod, a dead bolt spring, a dead bolt screw, an elastic pin, a dead bolt limit piece and a snap spring;
the front end of the inclined tongue is provided with a groove matched with the anti-insertion tongue, and the anti-insertion tongue and the groove are both provided with inclined tongue pin holes for the elastic pins to transversely penetrate through;
the rear end of the inclined tongue is provided with a pull rod jack for inserting the inclined tongue pull rod, and an inclined tongue threaded hole for connecting the inclined tongue fixing screw;
the front end of the inclined tongue pull rod is sequentially provided with a first annular groove and a second annular groove from inside to outside, the inclined tongue spring is sleeved on the inclined tongue pull rod, and the front end of the inclined tongue spring is provided with a conical shrinkage mouth which is in fit connection with the first annular groove; the section of the second annular groove is arc-shaped, when the inclined tongue pull rod is inserted into the pull rod jack to a certain depth, the inclined tongue threaded hole is communicated with the second annular groove, and the inclined tongue fixing screw is inserted into the second annular groove through the inclined tongue threaded hole;
the rear end of the inclined tongue pull rod is provided with a cylindrical boss, the inclined tongue limiting piece is provided with a boss round hole which is connected with the cylindrical boss in a matched mode, the cylindrical boss is provided with a third annular groove, and the clamp spring is clamped on the third annular groove and forms an axial limiting structure at the rear end of the inclined tongue limiting piece.
8. The reversible lock with dead bolt protection of any one of claims 1 to 7, further comprising a clutch fork assembly comprising a clutch fork, an upper fork, a lower fork, a clutch pin spring, a clutch pin tab, and a fork screw;
the upper shifting fork and the lower shifting fork have the same structural characteristics and are symmetrically arranged on the upper end face and the lower end face of the clutch shifting fork;
the upper shifting fork and the lower shifting fork are respectively provided with a screw fixing hole at the same side edge, a shifting fork threaded hole matched with the screw fixing holes is arranged at the side edge of the clutch shifting fork, one shifting fork screw is arranged, when the lock body is assembled in the forward direction, the shifting fork screw penetrates through the screw fixing holes on the upper shifting fork to be connected with the shifting fork threaded holes, and when the lock body is assembled in the reverse direction, the shifting fork screw penetrates through the screw fixing holes on the lower shifting fork to be connected with the shifting fork threaded holes;
the clutch pin is characterized in that an opening groove is formed in the lower end face side part of the upper shifting fork and the upper end face side part of the lower shifting fork, a shifting fork pin hole is formed in the side part of the clutch shifting fork, the inner end of the shifting fork pin hole is communicated with the opening groove, the outer end of the shifting fork pin hole is matched and fixed with the clutch pin baffle plate, the clutch pin is cross-shaped and comprises a first axial end, a second axial end, a first radial end and a second radial end, the first axial end is sleeved with the clutch pin spring and inserted into the shifting fork pin hole, and the second axial end is in sliding connection with the clutch pin baffle plate;
when the clutch pin is inserted into the shifting fork pin hole to a certain depth, the first radial end is clamped into the open slot on the upper shifting fork, the second radial end is clamped into the open slot on the lower shifting fork, and the clutch shifting fork, the upper shifting fork and the lower shifting fork form a linkage structure; when the clutch pin is separated from the open slot under the action of the clutch pin spring, the clutch shifting fork and the upper shifting fork or the clutch shifting fork and the lower shifting fork form a linkage structure.
9. The reversible lock with dead bolt protection as claimed in claim 8, wherein the lower end surface of the upper fork and the upper end surface of the lower fork are provided with a circular boss, and the upper end surface and the lower end surface of the clutch fork are provided with circular concave cavities matched with the circular boss.
10. The reversible lock with dead bolt protection as recited in claim 8, wherein the outer end of the fork pin bore is provided with a circular countersunk hole that mates with and secures the clutch pin tab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010343854.5A CN111502415B (en) | 2020-04-27 | 2020-04-27 | Reversible lock body with square tongue protection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010343854.5A CN111502415B (en) | 2020-04-27 | 2020-04-27 | Reversible lock body with square tongue protection |
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| CN111502415A CN111502415A (en) | 2020-08-07 |
| CN111502415B true CN111502415B (en) | 2024-04-05 |
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| CN202010343854.5A Active CN111502415B (en) | 2020-04-27 | 2020-04-27 | Reversible lock body with square tongue protection |
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| CN113685082A (en) * | 2021-08-25 | 2021-11-23 | 中山市逸家安防科技有限公司 | Spring bolt with detect door on-off state and switching-over structure |
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