CN213039065U

CN213039065U - Lock box capable of preventing lock core from breaking

Info

Publication number: CN213039065U
Application number: CN202020383920.7U
Authority: CN
Inventors: 叶松君
Original assignee: Tianjin Xingyue Ourui Door Co ltd
Current assignee: Tianjin Xingyue Ourui Door Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2021-04-23
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses a prevent lock box that lock core breaks, including lock box shell, locking lever and lock core, the front of lock box shell is provided with the lock core, and the inner wall top of lock core has seted up the caulking groove, the spout has all been seted up to the inner wall both sides of caulking groove, and the inner wall of spout inserts and is equipped with the axostylus axostyle, the outer wall of axostylus axostyle has cup jointed the pull rod, the one end fixed mounting that the pull rod is close to the caulking groove inner wall has the spring, the extension of lock core is extended to the one end fixed mounting of lock box shell inner wall and is had first gear, and the top meshing of first gear has the second gear, the top meshing of second gear has the third gear, the top fixed mounting of lock box. The utility model discloses a be provided with first gear and third gear, make inside simple structure, avoid the locking lever to take place the condition of kelly, it is comparatively convenient to use, and pull rod and axostylus axostyle can drive cracked key and break away from easy operation, convenient to use from the inside of lock core.

Description

Lock box capable of preventing lock core from breaking

Technical Field

The utility model relates to a lock box field specifically is a prevent lock box that lock core breaks.

Background

The lock box is a part which contains the movement and is fixed with the lock surface, the lock box can safely store objects, and the use is convenient, so the lock box is popular with people.

However, the structure inside the existing lock box is complex, so that the situation that the locking rod inside the lock box is clamped is often caused, the lock box is not easy to open, the use is inconvenient, and when the lock cylinder is used, the key is inserted into the lock box, the situation that the key is easy to break is caused, so that the key is difficult to break away, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent lock box that lock core breaks to solve the inside locking lever that proposes in the above-mentioned background art and appear the condition of kelly, difficult lock box is opened, and the key inserts inside easy cracked problem that takes place.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent lock box that lock core breaks, includes lock box shell, locking lever and lock core, the front of lock box shell is provided with the lock core, and the inner wall top of lock core has seted up the caulking groove, the spout has all been seted up to the inner wall both sides of caulking groove, and the inner wall of spout inserts and is equipped with the axostylus axostyle, the outer wall of axostylus axostyle has cup jointed the pull rod, the one end fixed mounting that the pull rod is close to the caulking groove inner wall has the spring, the extension of lock core is declared to the one end fixed mounting of lock box shell inner wall has first gear, and the top meshing of first gear has the second gear, the top meshing of second gear has the third gear, the top fixed mounting of lock box shell has the top cap, and the inner wall both sides of top cap all insert and be equipped with the locking lever.

Preferably, the position department that the inner wall of top cap connects the gear is provided with the recess, and connects the inside that the gear is located the recess, the top cap carries on spacingly to connecting the gear.

Preferably, the outer wall of the lock rod is provided with external threads, the inner wall of the sleeve is provided with internal threads, and the lock rod is in threaded connection with the sleeve.

Preferably, the first gear and the third gear form a transmission structure through the second gear, two ends of the third gear are meshed with the two groups of connecting gears, and the third gear and the connecting gears form the transmission structure.

Preferably, the shaft lever is located at the middle position of the pull rod, the diameter of the inner wall of the sliding groove is larger than that of the outer wall of the shaft lever, and the sliding groove and the shaft lever form a sliding structure.

Preferably, one end of the spring is fixedly welded with the inner wall of the caulking groove, the other end of the spring is fixedly welded with the pull rod, and the spring and the pull rod form an elastic structure.

Compared with the prior art, the beneficial effects of the utility model are that: this prevent lock box that lock core breaks is provided with first gear and third gear, makes inside simple structure change, avoids the condition that the locking lever took place the kelly, and it is comparatively convenient to use, and pull rod and axostylus axostyle can drive cracked key and break away from easy operation, convenient to use from the inside of lock core.

1. The device is provided with first gear and third gear, it rotates to drive the lock core through the key, the lock core drives first gear revolve afterwards, first gear drives the second gear and rotates, the second gear drives the third gear and rotates, and then make the third gear drive two sets of connecting gears and rotate, two sets of connecting gears drive the sleeve and rotate, it removes to drive the locking lever through helicitic texture, it can stretch out and draw back to make the locking lever, and then accomplish the box that closes of locking the box and open, moreover, the steam generator is simple in structure, avoid the locking lever to take place the condition of kelly, the operation is simple, high durability and convenient use.

2. The device is provided with pull rod and axostylus axostyle, shifts up the pull rod, makes the pull rod pass through the other end that the axostylus axostyle drove the pull rod and descends, makes the pull rod take place to extrude the block with cracked key afterwards, stimulates the pull rod afterwards, makes the pull rod drive the axostylus axostyle and removes, and the axostylus axostyle slides in the inside of spout afterwards, and then can drive cracked key and pull out, convenient to use loosens the pull rod afterwards, and the spring drives the pull.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

fig. 3 is a schematic side view of the cross-sectional structure of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a lock case housing; 2. a top cover; 3. a lock lever; 4. a lock cylinder; 5. a first gear; 6. a second gear; 7. a third gear; 8. a sleeve; 9. a connecting gear; 10. caulking grooves; 11. a pull rod; 12. a chute; 13. a shaft lever; 14. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

the utility model provides a prevent lock box that lock core breaks, including lock box shell 1, locking lever 3 and lock core 4, the front of lock box shell 1 is provided with lock core 4, and caulking groove 10 has been seted up on the inner wall top of lock core 4, spout 12 has all been seted up to the inner wall both sides of caulking groove 10, and the inner wall of spout 12 is inserted and is equipped with axostylus axostyle 13, axostylus axostyle 13 is located the intermediate position department of pull rod 11, and the inner wall diameter of spout 12 is greater than the outer wall diameter of axostylus axostyle 13, spout 12 constitutes sliding construction with axostylus axostyle 13, block cracked key with pull rod 11, pulling pull rod 11, make pull rod 11 drive axostylus axostyle 13

The outer wall of axostylus axostyle 13 has cup jointed pull rod 11, the one end fixed mounting that pull rod 11 is close to caulking groove 10 inner wall has spring 14, the one end of spring 14 and the inner wall fixed weld of caulking groove 10, the other end and the pull rod 11 fixed weld of spring 14, spring 14 and pull rod 11 constitute elastic construction, loosen pull rod 11, spring 14 drives pull rod 11 and recovers, avoid when inserting the key, pull rod 11 produces the condition that blocks to the key, and is easy to operate, convenient to use.

Extension of lock core 4 has first gear 5 to the one end fixed mounting of lock box shell 1 inner wall, and the meshing of the top of first gear 5 has second gear 6, the meshing of the top of second gear 6 has third gear 7, the top fixed mounting of lock box shell 1 has top cap 2, and the inner wall both sides of top cap 2 all insert and be equipped with locking lever 3, sleeve 8 has been cup jointed to the outer wall of locking lever 3, the outer wall of locking lever 3 is provided with the external screw thread, sleeve 8's inner wall is provided with the internal thread, locking lever 3 and sleeve 8 threaded connection, connecting gear 9 drives sleeve 8 and rotates, it removes to drive locking lever 3 through helicitic texture, make locking lever 3 can stretch out and draw back, and then accomplish the box that closes of lock box and open, moreover, the steam generator is simple in structure, avoid locking lever 3 to take place the condition of card pole.

The outer wall fixed mounting of sleeve 8 has connecting gear 9, and the position department of the inner wall connection gear 9 of top cap 2 is provided with the recess, and connecting gear 9 is located the inside of recess, and top cap 2 carries on spacingly to connecting gear 9, can make the turned position of connecting gear 9 obtain fixing, avoids connecting gear 9 to take place to remove and then drives the condition that sleeve 8 and locking lever 3 removed, makes the locking of locking lever 3 more convenient.

First gear 5 constitutes transmission structure through second gear 6 and third gear 7, the both ends and two sets of connecting gear 9 intermeshing of third gear 7, third gear 7 constitutes transmission structure with connecting gear 9, it rotates to drive lock core 4 through the key, lock core 4 drives first gear 5 afterwards and rotates, first gear 5 drives second gear 6 and rotates, second gear 6 drives third gear 7 and rotates, and then make third gear 7 drive two sets of connecting gear 9 and rotate, two sets of connecting gear 9 drive sleeve 8 and rotate, and then can make locking lever 3 open or close, moreover, the steam generator is simple in structure, avoid locking lever 3 to take place the condition of card pole, and is simple in operation, high durability and convenient use.

The working principle is as follows: during the use, drive lock core 4 through the key and rotate, lock core 4 drives first gear 5 and rotates afterwards, first gear 5 drives second gear 6 and rotates, second gear 6 drives third gear 7 and rotates, and then make third gear 7 drive two sets of connecting gear 9 and rotate, two sets of connecting gear 9 drive sleeve 8 and rotate, it removes to drive locking lever 3 through helicitic texture, it can stretch out and draw back to make locking lever 3, and then accomplish the box that closes of locking the box and open, moreover, the steam generator is simple in structure, avoid locking lever 3 to take place the condition of card pole, and the steam generator is simple in operation, high durability and convenient use.

When the key inserts the inside emergence fracture of lock core 4, stir pull rod 11 upwards, make pull rod 11 drive the other end decline of pull rod 11 through axostylus axostyle 13, make pull rod 11 and cracked key take place the extrusion block afterwards, stimulate pull rod 11 afterwards, make pull rod 11 dispatch function axostylus axostyle 13 remove, axostylus axostyle 13 slides in the inside of spout 12 afterwards, and then can drive cracked key and pull out, high durability and convenient use, loosen pull rod 11 afterwards, spring 14 drives pull rod 11 and recovers, the operation is thus simple, high durability and convenient use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a prevent lock box that lock core breaks, includes lock box shell (1), locking lever (3) and lock core (4), its characterized in that: the front of the lock box shell (1) is provided with a lock cylinder (4), the top end of the inner wall of the lock cylinder (4) is provided with a caulking groove (10), two sides of the inner wall of the caulking groove (10) are provided with sliding grooves (12), the inner wall of the sliding grooves (12) is inserted with a shaft lever (13), the outer wall of the shaft lever (13) is sleeved with a pull rod (11), one end of the pull rod (11) close to the inner wall of the caulking groove (10) is fixedly provided with a spring (14), one end of the lock cylinder (4) extending to the inner wall of the lock box shell (1) is fixedly provided with a first gear (5), the top end of the first gear (5) is meshed with a second gear (6), the top end of the second gear (6) is meshed with a third gear (7), the top end of the lock box shell (1) is fixedly provided with a top cover (2), locking rods (3) are inserted at two sides of the inner wall of the top cover (2), the outer wall of, and the outer wall of the sleeve (8) is fixedly provided with a connecting gear (9).

2. A cylinder break resistant lock case according to claim 1 wherein: the position department of the inner wall of top cap (2) connection gear (9) is provided with the recess, and connects inside that gear (9) are located the recess, top cap (2) carry on spacingly to connecting gear (9).

3. A cylinder break resistant lock case according to claim 1 wherein: the outer wall of the lock rod (3) is provided with external threads, the inner wall of the sleeve (8) is provided with internal threads, and the lock rod (3) is in threaded connection with the sleeve (8).

4. A cylinder break resistant lock case according to claim 1 wherein: first gear (5) constitute transmission structure through second gear (6) and third gear (7), the both ends and two sets of connecting gear (9) intermeshing of third gear (7), transmission structure is constituteed with connecting gear (9) to third gear (7).

5. A cylinder break resistant lock case according to claim 1 wherein: the shaft lever (13) is located at the middle position of the pull rod (11), the diameter of the inner wall of the sliding groove (12) is larger than that of the outer wall of the shaft lever (13), and the sliding groove (12) and the shaft lever (13) form a sliding structure.

6. A cylinder break resistant lock case according to claim 1 wherein: one end of the spring (14) is fixedly welded with the inner wall of the caulking groove (10), the other end of the spring (14) is fixedly welded with the pull rod (11), and the spring (14) and the pull rod (11) form an elastic structure.