CN221627914U - Mechanical anti-theft lock - Google Patents

Abstract

The utility model discloses a mechanical anti-theft lock, which comprises a lock base, wherein a lock cylinder is arranged in one end of the lock base, a key jack is arranged in one end of the lock cylinder, a lock rod is inserted in the other end of the lock cylinder, a handle is arranged at one end of the lock rod, an anti-theft limiting seat is arranged at the other end of the lock rod, a locking protrusion is arranged at the inner side of the lock base, a limiting protrusion is arranged at the inner side of the limiting protrusion, and is in clamping fit with the anti-theft locking groove.

Description

Mechanical anti-theft lock

Technical Field

The utility model relates to the technical field of anti-theft locks, in particular to a mechanical anti-theft lock.

Background

Mechanical anti-theft lock: refers to controlling the opening and closing of the lockset through a mechanical transmission device. The mechanical lock has the functions of drilling prevention, sawing prevention, prying prevention, pulling prevention, impact prevention and technical unlocking prevention. The vending machine needs to be used for an anti-theft lock in the use process, so that the use safety of equipment is guaranteed.

The prior publication number CN115012742a discloses a lock and vending machine, wherein the lock comprises: a drive assembly; the transmission piece is connected with the driving assembly and comprises a slideway; the driving component is used for driving the connecting rod mechanism to run to a first state and a second state through the transmission piece; the first lock tongue is connected with the connecting rod mechanism; the second lock tongue is connected with the connecting mechanism, when the connecting rod mechanism is in a first state, the first lock tongue and the second lock tongue are in a locking state, and when the connecting rod mechanism is in a second state, the first lock tongue and the second lock tongue are in an unlocking state; the lockset provided by the lockset further drives two lock bolts to move through one driving assembly, so that multi-point locking is realized, and the anti-theft effect of the lockset is improved. However, in the prior art, the driving mechanism is used for driving, and when power failure occurs, the driving mechanism cannot be used for driving, so that the anti-theft lock cannot be used.

Disclosure of utility model

The utility model aims to provide a mechanical anti-theft lock to solve the problems of poor anti-theft effect, complex structure and inconvenient processing of the anti-theft lock of a vending machine in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mechanical anti-theft lock, includes the tool to lock base, tool to lock base one end inside is equipped with the lock core, and lock core one end inside is equipped with the key jack, the inside locking lever that inserts of lock core other end, locking lever one end is equipped with the handle, the locking lever other end is equipped with the spacing seat of theftproof, the spacing seat of theftproof is equipped with the locking arch, a tool to lock base inboard is equipped with spacing arch, and the inside theftproof locked groove that is equipped with of spacing arch, the cooperation is established with the theftproof locked groove card to the locking arch, be equipped with between handle one end and the tool to lock base and put tensile locking mechanical system.

Furthermore, the lock cylinder adopts a copper mechanical lock cylinder.

Further, the limiting protrusion adopts an alloy structure, and the limiting protrusion and the inner wall of the lock base are integrally arranged.

Further, the sum of the radius of the anti-theft limiting seat and the length of the locking protrusion is smaller than half of the width of the lock base.

Furthermore, the anti-theft limiting seat is arranged into a round seat, and the locking protrusion is vertically welded with the anti-theft limiting seat.

Further, a spring in a stretching state is sleeved on the outer side of the lock rod between the lock cylinder and the anti-theft limiting seat.

Further, put tensile locking mechanical system includes the locking lever at handle one end through the articulated shaft hinge, tool to lock base one side is equipped with the locking seat, the locking groove has been seted up to the locking seat upside, locking lever one end is inserted through locking protruding and locking groove and is established the cooperation.

Further, one end of the anti-theft lock groove is provided with an inverted trapezoid groove, and the size of the outer side of the inverted trapezoid groove is larger than that of the inner side of the inverted trapezoid groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the anti-theft lock, the anti-theft limit seat and the locking protrusion are arranged at the other end of the lock rod, the limit protrusion and the anti-theft lock groove are arranged on the inner side of the lock base, and the locking protrusion is clamped and matched with the anti-theft lock groove during anti-theft, so that limit treatment can be carried out on one end of the lock rod, the lock rod cannot be rotated to unlock the lock even if the lock cylinder is damaged, the anti-theft effect is good, before unlocking, a handle is required to be pressed inwards, the limit protrusion is separated from the anti-theft lock groove, and the lock can be unlocked by rotating the lock rod; the mechanical structure can still be used after power failure.

2. According to the anti-theft lock, the spring in a stretching state is sleeved outside the lock rod between the lock cylinder and the anti-theft limit seat, so that the anti-theft limit seat can be elastically contracted in the lock base all the time in a natural state, after the handle is pressed inwards for unlocking once, the anti-theft limit seat can rebound and reset under the action of the spring, and the locking protrusion is clamped in the anti-theft lock groove.

3. According to the utility model, the stretching locking mechanism is arranged between one end of the handle and the lock base, so that the handle and the lock base can be longitudinally and vertically locked, the phenomenon that the locking protrusion is separated from the anti-theft lock groove to be accidentally opened due to the fact that the handle is pressed vertically by misoperation is prevented, the safety of locking by clamping the locking protrusion and the anti-theft lock groove is improved, and the locking rod is convenient and quick to detach.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a front elevational view of the overall structure of the present utility model;

FIG. 2 is a left side elevational view of the overall structure of the present utility model;

FIG. 3 is a rear elevational view of the lock base structure of the present utility model;

FIG. 4 is a schematic view of a spacing bump structure of the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 2A in accordance with the present utility model;

fig. 6 is a schematic view of the lock lever opening structure of the present utility model.

In the figure: 1. a lockset base; 2. a lock core; 3. a key insertion hole; 4. a handle; 5. a lock lever; 6. a limit protrusion; 7. an anti-theft lock groove; 8. an anti-theft limit seat; 9. a locking protrusion; 10. an inverted trapezoidal groove; 11. a spring; 12. a locking seat; 13. a locking protrusion; 14. a locking groove; 15. a locking lever; 16. and a hinge shaft.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, in an embodiment of the utility model, a mechanical anti-theft lock comprises a lock base 1, wherein a lock cylinder 2 is arranged inside one end of the lock base 1, a copper mechanical lock cylinder is adopted as the lock cylinder 2, a key jack 3 is arranged inside one end of the lock cylinder 2, a lock rod 5 is inserted inside the other end of the lock cylinder 2, a handle 4 is arranged at one end of the lock rod 5, an anti-theft limiting seat 8 is arranged at the other end of the lock rod 5, a locking protrusion 9 is arranged at one inner side of the lock base 1, an anti-theft locking groove 7 is arranged inside the limiting protrusion 6, the locking protrusion 9 is clamped and matched with the anti-theft locking groove 7, one end of the lock rod 5 can be subjected to limiting treatment, even if the lock cylinder 2 is damaged, the lock rod 5 cannot be rotated to open the lock, the anti-theft effect is good, before opening, the handle 4 is required to be pressed inwards, the limiting protrusion 6 is separated from the anti-theft locking groove 7, the lock can be opened by rotating the lock rod 5, the structure is simple, the processing is convenient, a stretching locking mechanism is arranged between one end of the handle 4 and the lock base 1, the handle 4 and the lock base 1 is subjected to vertical locking treatment, the situation is prevented, the situation that the locking protrusion 9 is separated from the locking groove 7 by the locking groove 7 is accidentally pressed, and the anti-theft locking protrusion 7 is clamped, and the anti-theft effect is improved.

The limiting bulge 6 adopts an alloy structure, and the limiting bulge 6 and the inner wall of the lock base 1 are integrally arranged, so that the limiting bulge 6 has high structural strength and high limiting stability; the radius of the anti-theft limit seat 8, the length of the locking protrusion 9 and the width of the lock base 1 are smaller than half of the width of the lock base 1, so that the lock rod 5 can be rotated to unlock the lock when the locking protrusion 9 of the limit protrusion 6 falls off the anti-theft lock groove 7; the anti-theft limiting seat 8 is arranged into a round seat, and the locking protrusion 9 is vertically welded with the anti-theft limiting seat 8, so that the locking protrusion 9 has high structural strength and high limiting stability.

The outside of the lock rod 5 between the lock cylinder 2 and the anti-theft limit seat 8 is sleeved with a spring 11 in a stretching state, and two ends of the spring 11 are fixedly connected with one side of the lock cylinder 2 and one side of the anti-theft limit seat 8 respectively, so that the anti-theft limit seat 8 can be elastically contracted inside the lock base 1 all the time in a natural state, after the handle 4 is pressed inwards for unlocking for a single time, the anti-theft limit seat 8 can rebound and reset under the action of the spring, and the locking protrusion 9 is clamped in the anti-theft lock groove 7 to limit the lock rod 5; an inverted trapezoid-shaped groove 10 is arranged at one end of the anti-theft lock groove 7, the size of the outer side of the inverted trapezoid-shaped groove 10 is larger than that of the inner side of the inverted trapezoid-shaped groove 10, and a locking protrusion 9 which is convenient to reset and rebound through a spring 11 is clamped in the anti-theft lock groove 7.

Put tensile locking mechanical system and include the locking lever 15 articulated at handle 4 one end through articulated shaft 16, tool to lock base 1 one side is equipped with locking seat 12, locking groove 14 has been seted up to locking seat 12 upside, locking lever 15 one end is through locking protruding 13 and locking groove 14 insertion cooperation, make when the locking lug 13 card of locking lever 15 one end establish in the locking groove 14 in the locking seat 12 outside, can carry out vertical locking processing between handle 4 and tool to lock base 1, prevent that the maloperation from pressing handle 4 perpendicularly from causing locking protruding 9 to break away from the unexpected phenomenon emergence of opening of theftproof locked groove 7, improve locking protruding 9 and theftproof locked groove 7 card and establish the security of cooperation locking, locking lever 15 dismantles convenient and fast moreover.

The working principle and the using flow of the utility model are as follows: this tool to lock passes through the spacing seat 8 of theftproof and the locking protrusion 9 that the locking lever 5 other end was equipped with, a tool to lock base 1 inboard is equipped with spacing arch 6 and theftproof locked groove 7, establish the cooperation with locking protrusion 9 and theftproof locked groove 7 card during the natural state theftproof, thereby can carry out spacing processing to locking lever 5 one end, make even destroyed lock core 2 also unable rotatory locking lever 5 open the tool to lock, make the theftproof effect better, before opening, need inwards press handle 4, and make spacing arch 6 break away from theftproof locked groove 7, just can open the tool to lock through rotatory locking lever 5, moreover simple structure, the processing is convenient.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. A mechanical anti-theft lock, comprising a lock base (1), characterized in that: lock base (1) one end is inside to be equipped with lock core (2), lock core (2) one end is inside to be inserted and is equipped with locking lever (5), locking lever (5) one end is equipped with handle (4), the locking lever (5) other end is equipped with spacing seat of theftproof (8), spacing seat of theftproof (8) are equipped with locking arch (9), lock base (1) inboard is equipped with spacing arch (6), and the inside theftproof locked groove (7) that is equipped with of spacing arch (6), the cooperation is established with theftproof locked groove (7) card to locking arch (9), be equipped with between handle (4) one end and lock base (1) and put tensile locking mechanism.

2. A mechanical anti-theft lock according to claim 1, characterized in that: the limiting bulge (6) adopts an alloy structure, and the limiting bulge (6) and the inner wall of the lock base (1) are integrally arranged.

3. A mechanical anti-theft lock according to claim 1, characterized in that: the radius of the anti-theft limit seat (8) and the length of the locking protrusion (9) are smaller than half of the width of the lock base (1); a spring (11) in a stretching state is sleeved on the outer side of the lock rod (5) between the lock cylinder (2) and the anti-theft limiting seat (8).

4. A mechanical anti-theft lock according to claim 1, characterized in that: the anti-theft limiting seat (8) is arranged into a round seat, and the locking protrusion (9) is vertically welded with the anti-theft limiting seat (8).

5. A mechanical anti-theft lock according to claim 1, characterized in that: one end of the anti-theft lock groove (7) is provided with an inverted trapezoid groove (10), and the size of the outer side of the inverted trapezoid groove (10) is larger than that of the inner side of the inverted trapezoid groove (10).

6. A mechanical anti-theft lock according to claim 1, characterized in that: the stretching locking mechanism comprises a locking rod (15) hinged to one end of a handle (4) through a hinge shaft (16), a locking seat (12) is arranged on one side of the lock base (1), a locking groove (14) is formed in the upper side of the locking seat (12), and one end of the locking rod (15) is matched with the locking groove (14) in an inserting mode through a locking protruding block (13).