CN212897959U - Mechanical lock - Google Patents

Abstract

The utility model provides a mechanical lockset, which comprises a lock shell, a main spring bolt and a lock core, wherein the main spring bolt can be driven to retract into the lock shell along the horizontal direction by rotating the lock core; mechanical lock still includes vice spring bolt and linkage subassembly, vice spring bolt can follow the horizontal direction contract in the lock shell or stretch out outside the lock shell, vice spring bolt passes through the linkage subassembly with the main spring bolt is connected, vice spring bolt outside the extrusion down during the removal in the lock shell, the linkage subassembly can drive the main spring bolt stretches out outside the lock shell, this kind of tool to lock simple structure, reliable and stable, low in production cost, simultaneously through setting up the linkage subassembly, when closing the door, vice spring bolt under door frame extrusion to when removing in the lock shell, the linkage subassembly can drive the main spring bolt and stretch out outside the lock shell, and then makes the tool to lock have the automatic function of locking.

Description

Mechanical lock

Technical Field

The utility model relates to a lock manufacturing field especially relates to a mechanical lock.

Background

The lock is a closed device, which includes lock, key and its accessories, besides the lock can be opened by key, it can also be opened by light, electricity, magnetism, sound and fingerprint commands. With the development of society, locks come in a variety of forms, including door locks, padlocks, mechanical locks, electronic locks, and the like.

Most of mechanical locks in the prior art have complex structures and high manufacturing cost, and do not have the function of automatically locking the door when the door is closed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that the most major structure of mechanical lock among the prior art is complicated, and manufacturing cost is high, and does not possess automatic lock door function when closing the door, the utility model provides a mechanical lock solves above-mentioned problem.

The technical scheme adopted by the utility model for solving the technical problems is a mechanical lockset, which comprises a lock shell, a main spring bolt and a lock core, wherein the lock core is arranged in the lock shell, and the main spring bolt can be driven to retract into the lock shell along the horizontal direction by rotating the lock core; the mechanical lockset further comprises an auxiliary spring bolt and a linkage assembly, the auxiliary spring bolt can be retracted into the lock shell or extend out of the lock shell along the horizontal direction, the auxiliary spring bolt is connected with the main spring bolt through the linkage assembly, and when the auxiliary spring bolt moves towards the inside of the lock shell under the external extrusion effect, the linkage assembly can drive the main spring bolt to extend out of the lock shell.

Further: the lock core is provided with a first gear, and the first gear can be driven to rotate when the lock core rotates; the main spring bolt is connected with the lock shell through a first spring, an inward-concave upper notch is formed in the upper end of the main spring bolt, a connecting shaft is arranged above the upper notch, the connecting shaft is rotatably installed in the lock shell, a second gear is fixedly installed on the connecting shaft, the second gear is meshed with the first gear, a shifting lever is further fixedly installed on the connecting shaft, one end of the shifting lever is clamped in the upper notch, the shifting lever rotates clockwise to shift the main spring bolt to move into the lock shell, a reset torsion spring is arranged at the rotating connection position of the shifting lever and the lock shell, and the deformation force of the reset torsion spring can prevent the shifting lever from rotating; the lower extreme of main spring bolt is equipped with the lower notch of indent, be equipped with spacing spanner and torsional spring in the lock shell, spacing spanner's middle part is rotated and is set up in the lock shell, but spacing spanner's upper arm block is in the notch down with the restriction main spring bolt to pop out outside the lock shell, the torsional spring is installed spacing spanner with the rotation junction of lock shell, the deformation power of torsional spring can prevent spacing spanner rotates.

Further: the left part of the auxiliary spring bolt is arranged in the supporting sleeve and can slide along the supporting sleeve, a second spring is sleeved on the auxiliary spring bolt, the left end of the second spring is fixedly connected with the supporting sleeve, and the right end of the second spring is fixedly connected with the auxiliary spring bolt.

Further: the linkage assembly comprises a first guide pillar, a second guide pillar and a shifting block, the first guide pillar and the second guide pillar are installed in the lock shell along the horizontal direction and are perpendicular to the movement direction of the auxiliary lock tongue, the first guide pillar and the second guide pillar are sequentially arranged from top to bottom, a waist-shaped hole is formed in the shifting block, the waist-shaped hole is sleeved on the first guide pillar and the second guide pillar and can slide along the first guide pillar and the second guide pillar, a waist-shaped hole protruding portion protruding leftward is arranged at the upper portion of the waist-shaped hole, and the lower portion of the shifting block is connected with the lock shell through a third spring; the linkage assembly further comprises a pressing handle wrench, a clamping table protruding outwards is arranged at the left end of the auxiliary lock tongue, the middle of the pressing handle wrench is rotatably arranged in the lock shell, a lower arm of the pressing handle wrench is sleeved on the auxiliary lock tongue and located on the right side of the clamping table, and the pressing handle wrench is rotated clockwise to drive the auxiliary lock tongue to move into the lock shell; the left arm of the pressing handle wrench is connected with the shifting block, and the pressing handle wrench can rotate clockwise to push the shifting block to move upwards along the first guide pillar and the second guide pillar; the right end of the upper part of the shifting block is provided with a concave table, and the lower arm of the limiting wrench can be clamped on the right side of the concave table.

Further: the auxiliary spring bolt is an inclined spring bolt, a pushing inclined plane is arranged on the inclined spring bolt, and the pushing inclined plane can push the auxiliary spring bolt to move towards the inside of the lock shell under the external extrusion effect.

Further: the mechanical lockset also comprises a top and bottom pin, the top and bottom pin is arranged in a sliding manner along the vertical direction, a sliding groove is arranged on the top and bottom pin and is arranged in an inclined manner, a poking rod column is fixedly arranged on the main spring bolt and is inserted into the sliding groove, and when the main spring bolt moves towards the lock shell along the horizontal direction, the poking rod column can be driven to slide along the sliding groove and drive the top and bottom pin to move towards the direction close to the lock shell; when the main bolt moves out of the lock shell along the horizontal direction, the main bolt can drive the poking rod column to slide along the sliding groove and drive the top and bottom pin to move towards the direction far away from the lock shell.

The beneficial effects of the utility model are that, the utility model relates to a mechanical lock makes main spring bolt contract through rotating the lock core and accomplishes the action of unblanking in the lock shell, simple structure, reliable and stable, low in production cost, simultaneously through setting up the linkage subassembly, when closing the door, vice spring bolt down in door frame squeezing action when removing in the lock shell, the linkage subassembly can drive main spring bolt and stretch out to the lock shell outward, and then makes the tool to lock have the automatic function of locking.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of a mechanical lock of the present invention;

FIG. 2 is a schematic view of the shift lever driving the main bolt to move into the lock housing;

FIG. 3 is a schematic view of the handle wrench driving the secondary bolt to move into the lock housing;

FIG. 4 is a schematic view of the secondary bolt being moved into the housing under external squeezing action;

fig. 5 is a schematic structural view of the top and bottom pins.

In the figure, the lock comprises a main bolt 1, a main bolt 2, a lock cylinder 3, a first gear 4, a first spring 5, an upper notch 6, a second gear 7, a deflector rod 8, a lower notch 9, a limit wrench 10, a torsion spring 11, an auxiliary bolt 12, a support sleeve 13, a second spring 14, a first guide pillar 15, a second guide pillar 16, a deflector block 17, a kidney-shaped hole 18, a kidney-shaped hole bulge 19, a third spring 20, a pressing handle wrench 21, a clamping table 22, a concave table 23, a world pin 24, a sliding groove 25 and a deflector rod.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present invention includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.

As shown in fig. 1, the utility model provides a mechanical lock, which comprises a lock case, a main bolt 1 and a lock core 2, wherein the lock core 2 is installed in the lock case, and the main bolt 1 can be driven to retract into the lock case along the horizontal direction by rotating the lock core 2; mechanical lock still includes vice spring bolt 11 and linkage assembly, vice spring bolt 11 can follow the horizontal direction contract in the lock shell or stretch out outside the lock shell, vice spring bolt 11 pass through the linkage assembly with main spring bolt 1 is connected, vice spring bolt 11 outside extrusion down when removing in the lock shell, linkage assembly can drive main spring bolt 1 stretches out outside the lock shell.

Referring to fig. 2, 3 and 4, a first gear 3 is disposed on the lock cylinder 2, and when the lock cylinder 2 rotates, the first gear 3 can be driven to rotate; the main spring bolt 1 is connected with the lock shell through a first spring 4, an inward concave upper notch 5 is formed in the upper end of the main spring bolt, a connecting shaft is arranged above the upper notch 5, the connecting shaft is rotatably installed in the lock shell, a second gear 6 is fixedly installed on the connecting shaft, the second gear 6 is meshed with the first gear 3, a shift lever 7 is further fixedly installed on the connecting shaft, one end of the shift lever 7 is clamped in the upper notch 5, the shift lever 7 rotates clockwise to shift the main spring bolt to move into the lock shell, a reset torsion spring is arranged at the rotating connection position of the shift lever 7 and the lock shell, and the shift lever 7 can be prevented from rotating through the deformation force of the reset torsion spring; the lower extreme of main spring bolt 1 is equipped with the lower notch 8 of indent, be equipped with limit spanner 9 and torsional spring 10 in the lock shell, limit spanner 9's middle part is rotated and is set up in the lock shell, but limit spanner 9's upper arm block is in the lower notch 8 with the restriction main spring bolt 1 to pop out outside the lock shell, torsional spring 10 is installed limit spanner 9 with the rotation junction of lock shell, torsional spring 10's deformation power can prevent limit spanner 9 rotates.

A support sleeve 12 is fixedly arranged in the lock case, the left part of the auxiliary bolt 11 is arranged in the support sleeve 12 and can slide along the support sleeve 12, a second spring 13 is sleeved on the auxiliary bolt 11, the left end of the second spring 13 is fixedly connected with the support sleeve 12, and the right end of the second spring 13 is fixedly connected with the auxiliary bolt 11.

The linkage assembly comprises a first guide post 14, a second guide post 15 and a shifting block 16, the first guide post 14 and the second guide post 15 are installed in the lock shell along the horizontal direction and are perpendicular to the movement direction of the auxiliary bolt 11, the first guide post 14 and the second guide post 15 are sequentially arranged from top to bottom, a kidney-shaped hole 17 is formed in the shifting block 16, the kidney-shaped hole 17 is sleeved on the first guide post 14 and the second guide post 15 and can slide along the first guide post 14 and the second guide post 15, a kidney-shaped hole protruding portion 18 protruding leftwards is arranged at the upper portion of the kidney-shaped hole 17, and the lower portion of the shifting block 16 is connected with the lock shell through a third spring 19; the linkage assembly further comprises a handle pressing wrench 20, a clamping table 21 protruding outwards is arranged at the left end of the auxiliary lock tongue 11, the middle of the handle pressing wrench 20 is rotatably arranged in the lock case, a lower arm of the handle pressing wrench 20 is sleeved on the auxiliary lock tongue 11 and is positioned on the right side of the clamping table 21, and the handle pressing wrench 20 rotates clockwise to drive the auxiliary lock tongue 11 to move into the lock case; the left arm of the handle pressing wrench 20 is connected with the shifting block 16, and the handle pressing wrench 20 rotates clockwise to push the shifting block 16 to move upwards along the first guide post 14 and the second guide post 15; the right end of the upper part of the shifting block 16 is provided with a concave table 22, and the lower arm of the limit wrench 9 can be clamped on the right side of the concave table 22.

The auxiliary bolt 11 is an inclined bolt, a pushing inclined plane is arranged on the inclined bolt, and the pushing inclined plane can push the auxiliary bolt 11 to move towards the inside of the lock shell under the external extrusion effect.

As shown in fig. 5, the mechanical lock further includes a top-bottom pin 23, the top-bottom pin 23 is disposed in a sliding manner along a vertical direction, a sliding groove 24 is disposed on the top-bottom pin 23, the sliding groove 24 is disposed in an inclined manner, a lever post 25 is fixedly disposed on the main bolt 1, the lever post 25 is inserted into the sliding groove 24, and when the main bolt 1 moves in the lock case along a horizontal direction, the lever post 25 can be driven to slide along the sliding groove 24, and the top-bottom pin 23 can be driven to move toward a direction close to the lock case; when the main bolt 1 moves towards the outside of the lock shell along the horizontal direction, the poking rod column 25 can be driven to slide along the sliding groove 24, and the top and bottom pin 23 is driven to move towards the direction far away from the lock shell. Through setting up world round pin 23, further improved the security performance of tool to lock, when the main spring bolt is inside to be removed, can drive world round pin 23 towards the direction removal of being close to the lock shell, when the spring bolt is outside to be removed, can drive world round pin 23 towards the direction removal of keeping away from the lock shell.

When opening the door, the key inserts lock core 2, anticlockwise rotation lock core 2, drive 3 anticlockwise rotations of first gear, drive 6 clockwise rotations of second gear, driving lever 7 stirs main spring bolt 6 through last notch 5 and removes in the lock simultaneously, when main spring bolt 1 retracts, the upper arm card of spacing spanner 9 is gone into in the lower notch 8 of main spring bolt 1, under torsional spring 10's effect, main spring bolt 1 is fixed a position in the lock shell, drive through clockwise turning the door handle and press spanner 20 clockwise rotation drive shifting block 16 upwards translation, drive vice spring bolt 11 simultaneously and remove to the lock in the shell, the door can be opened to this moment.

When the door needs to be locked, the door handle is loosened, the shifting block 16 is reset under the action of the third spring 19, the auxiliary bolt 11 is ejected out of the lock shell under the action of the second spring 13, the main bolt 1 is continuously retracted in the lock shell, then the door is closed, the auxiliary bolt 11 moves into the lock shell under the extrusion action of the doorframe, hits the lower right end of the shifting block 16, so that the first guide post 14 moves towards the waist-shaped hole bulge 18, thereby enabling the shifting block 16 to rotate clockwise around the second guide post 15, enabling the concave platform 22 on the shifting block 16 to shift the lower arm of the limit wrench 9 to rotate anticlockwise around the shaft, so that the upper arm of the limit wrench 9 is separated from the lower notch 8 of the main bolt 1, the main bolt 1 is ejected out of the lock case under the action of the first spring 4, meanwhile, the auxiliary bolt 11 is also ejected out of the lock case under the action of the second spring 13, then the shifting block 16 is reset under the action of a third tension spring, and further the automatic locking action of closing the door is completed;

when the door is not required to be locked, the door handle is kept at a clockwise rotating position and closed, then the door handle is loosened, the shifting block (16) is reset under the action of the third spring (19), the auxiliary bolt (11) is ejected out of the lock shell under the action of the second spring (13), the main bolt (1) continues to retract in the lock shell, and the door cannot be locked.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (6)

1. The utility model provides a mechanical lock, includes lock shell, main spring bolt (1), lock core (2), its characterized in that: the lock cylinder (2) is arranged in the lock shell, and the main bolt (1) can be driven to retract into the lock shell along the horizontal direction by rotating the lock cylinder (2); mechanical lock still includes vice spring bolt (11) and linkage assembly, vice spring bolt (11) can follow the horizontal direction contract in the lock shell or stretch out outside the lock shell, vice spring bolt (11) pass through the linkage assembly with main spring bolt (1) is connected, vice spring bolt (11) outside extrusion down to when removing in the lock shell, the linkage assembly can drive main spring bolt (1) stretches out outside the lock shell.

2. A mechanical lock according to claim 1, wherein: a first gear (3) is arranged on the lock cylinder (2), and the lock cylinder (2) can drive the first gear (3) to rotate when rotating;

the lock comprises a main lock tongue (1), a lock shell, a first spring (4), a second gear (7), a driving lever (7), a second spring (7), a first gear (6), a second gear (3), a driving lever (7), a reset torsion spring, a deformation force of the reset torsion spring, a spring bolt and a spring bolt, wherein the main lock tongue (1) is connected with the lock shell through the first spring (4), the upper end of the main lock tongue is provided with an inward-concave upper notch (5), the upper part of the upper notch (5) is provided with a connecting shaft, the connecting shaft is rotatably installed in the lock shell, the second gear (6) is fixedly installed on the connecting shaft, the second gear is meshed with the first gear (3), the driving lever (7) is further fixedly installed on the connecting shaft, one end of the driving lever (7) is clamped in the;

the lower extreme of main spring bolt (1) is equipped with lower notch (8) of indent, be equipped with spacing spanner (9) and torsional spring (10) in the lock shell, the middle part of spacing spanner (9) is rotated and is set up in the lock shell, but the upper arm block of spacing spanner (9) is in lower notch (8) in order to restrict main spring bolt (1) to pop out outside the lock shell, install torsional spring (10) spacing spanner (9) with the rotation junction of lock shell, the deformation power of torsional spring (10) can prevent spacing spanner (9) rotate.

3. A mechanical lock according to claim 1, wherein: the lock is characterized in that a support sleeve (12) is fixedly arranged in the lock shell, the left part of the auxiliary bolt (11) is arranged in the support sleeve (12) and can slide along the support sleeve (12), a second spring (13) is sleeved on the auxiliary bolt (11), the left end of the second spring (13) is fixedly connected with the support sleeve (12), and the right end of the second spring (13) is fixedly connected with the auxiliary bolt (11).

4. A mechanical lock according to claim 2, wherein: the linkage assembly comprises a first guide post (14), a second guide post (15) and a shifting block (16), the first guide post (14) and the second guide post (15) are installed in the lock shell along the horizontal direction and are perpendicular to the movement direction of the auxiliary bolt (11), the first guide post (14) and the second guide post (15) are sequentially arranged from top to bottom, a waist-shaped hole (17) is formed in the shifting block (16), the waist-shaped hole (17) is sleeved on the first guide post (14) and the second guide post (15) and can slide along the first guide post (14) and the second guide post (15), a waist-shaped hole (18) protruding leftwards is formed in the upper portion of the waist-shaped hole (17), and the lower portion of the shifting block (16) is connected with the lock shell through a third spring (19);

the linkage assembly further comprises a handle pressing wrench (20), a clamping table (21) protruding outwards is arranged at the left end of the auxiliary lock tongue (11), the middle of the handle pressing wrench (20) is rotatably arranged in the lock shell, a lower arm of the handle pressing wrench (20) is sleeved on the auxiliary lock tongue (11) and is positioned on the right side of the clamping table (21), and the handle pressing wrench (20) can rotate clockwise to drive the auxiliary lock tongue (11) to move towards the lock shell; the left arm of the handle pressing wrench (20) is connected with the shifting block (16), and the handle pressing wrench (20) rotates clockwise to push the shifting block (16) to move upwards along the first guide post (14) and the second guide post (15); a concave table (22) is arranged at the right end of the upper portion of the shifting block (16), and a lower arm of the limiting wrench (9) can be clamped on the right side of the concave table (22).

5. A mechanical lock according to claim 1, wherein: the auxiliary bolt (11) is an inclined bolt, a pushing inclined plane is arranged on the inclined bolt, and the pushing inclined plane can push the auxiliary bolt (11) to move towards the inside of the lock shell under the external extrusion effect.

6. A mechanical lock according to claim 1, wherein: the mechanical lockset further comprises a top and bottom pin (23), the top and bottom pin (23) is arranged in a sliding mode along the vertical direction, a sliding groove (24) is formed in the top and bottom pin (23), the sliding groove (24) is arranged in an inclined mode, a poking rod column (25) is fixedly arranged on the main bolt (1), the poking rod column (25) is inserted into the sliding groove (24), and when the main bolt (1) moves towards the lock shell along the horizontal direction, the poking rod column (25) can be driven to slide along the sliding groove (24) and drive the top and bottom pin (23) to move towards the direction close to the lock shell; when the main bolt (1) moves towards the outside of the lock shell along the horizontal direction, the poking rod column (25) can be driven to slide along the sliding groove (24), and the top and bottom pin (23) is driven to move towards the direction far away from the lock shell.

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