Lock cylinder accessory structure

Abstract

The utility model discloses a lock cylinder accessory structure, relates to the technical field of locks, and solves the problems that some existing lock cylinder accessories are lack of lock cylinder protection devices, when the locks are applied outdoors, some external dust, impurities and muddy water easily enter the lock cylinders, the lock cylinders are blocked and corroded, and normal use is affected. A protecting cover is arranged on one side of the lock cylinder, and key holes which are communicated with each other are formed in the lock cylinder and the protecting cover; a mounting groove communicated with the key hole is formed in the protecting cover, a first spring is fixedly installed on the inner wall of the mounting groove formed in the protecting cover, and a blocking piece is fixedly installed at one end of the first spring. When the lock cylinder is used, the protecting cover can protect the lock cylinder, the blocking piece on the protecting cover can block external dust, impurities and muddy water, the external dust, impurities and muddy water are prevented from entering the lock cylinder, and when the lock is unlocked, a key can push the blocking piece through the first inclined face to extrude the first spring, and then the lock can be unlocked.

Description

Technical Field

[0001] The utility model relates to the field of locks, in particular to a lock core accessory structure. Background Art

[0002] A lock generally consists of a lock case and a lock core, which is equipped with blades, pins, etc. The lock core is the main part that controls the opening of the lock and is the heart of the lock. It refers to the core part that can rotate with the key and drive the bolt to move.

[0003] The existing utility model with announcement number CN209308562U discloses a safety protection double-row blade lock core, including a lock core sleeve and a lock core body inserted in the lock core sleeve, the outer peripheral wall of the lock core body is fixed with a limiting convex ring that abuts against the end face of the lock core sleeve, the lock core body is provided with a lock hole, and the outer peripheral wall of the lock core body is provided with a slot connected to the lock hole.

[0004] In the above technical scheme, the inventor found that there are at least the following problems in this technology: there is a lack of a lock core protection device, and many existing locks are used outdoors, such as common white steel locks, or disc brake locks used to lock motorcycles, etc. When this type of lock is used outdoors, some dust, impurities, mud and water from the outside world can easily enter the lock core, causing the lock core to become blocked and corroded, affecting normal use. Therefore, a lock core accessory structure is now proposed. Utility Model Content

[0005] In order to improve the problem that some existing lock core accessories lack lock core protection devices, when the lock is used outdoors, some dust, impurities, mud and water from the outside can easily enter the lock core, causing the lock core to become blocked and corroded, affecting normal use, the utility model provides a lock core accessory structure.

[0006] The utility model provides a lock core accessory structure, which adopts the following technical solutions:

[0007] The lock core accessory structure comprises a lock core, a protective cover is arranged on one side of the lock core, and a key hole connected to the lock core and the protective cover is provided;

[0008] The protective cover has an installation groove inside which is connected to the keyhole, a first spring is fixedly installed on the inner wall of the installation groove inside the protective cover, a blocking piece is fixedly installed on one end of the first spring, sliding mechanisms are provided on opposite sides of the blocking piece, and a first inclined surface inclined outward is provided on one end of the blocking piece away from the first spring.

[0009] By adopting the above technical solution, when in use, the protective cover can protect the lock core, and the baffle on the protective cover can block external dust, impurities, mud and water, thereby reducing the entry of external dust, impurities, mud and water into the lock core. When unlocking, the key can push the baffle through the first inclined surface to squeeze the first spring, thereby unlocking the lock.

[0010] Optionally, an insert block is fixedly installed on the outer side of the lock core, a slot for inserting the insert block is provided inside the protective cover, a second spring is fixedly installed inside the protective cover, a moving block is fixedly installed on one end of the second spring, a clamping block is fixedly installed on the top of the moving block, a clamping slot matching the clamping block is provided inside the insert block, and a connecting rod is fixedly installed on the top of the moving block on one side of the clamping block.

[0011] By adopting the above technical solution, when the protective cover is damaged and needs to be replaced, the user only needs to control the movement of the connecting rod, which can control the card block and the card slot on the plug block to separate from each other, thereby facilitating the user to quickly remove the protective cover for replacement.

[0012] Optionally, the sliding mechanism includes a first sliding block, one side of which is fixedly connected to the blocking piece, and a first sliding groove matched with the first sliding block is formed inside the protective cover.

[0013] By adopting the above technical solution, the first sliding block and the first sliding groove can limit the moving range of the blocking piece and make the blocking piece move more smoothly.

[0014] Optionally, a second inclined surface facing the lock core is formed on one side of the locking block close to the inserting block.

[0015] By adopting the above technical solution, when installing the protective cover, the insert block can push the clamping block to move through the second inclined surface, so that the protective cover can be quickly connected to the lock core.

[0016] Optionally, a groove is formed on the outer wall of the protective cover, and the connecting rod can pass through the inside of the groove and be fixedly connected to the extrusion block.

[0017] By adopting the above technical solution, the extrusion block can facilitate the staff to push the connecting rod to move.

[0018] Optionally, a third spring is fixedly installed inside the lock core, and one end of the third spring is in contact with the protective cover.

[0019] By adopting the above technical solution, when installing the protective cover, the protective cover can squeeze the third spring. When removing the protective cover, when the card block and the card slot on the insert block are separated from each other, the third spring can push the protective cover to move outward, making it convenient for the user to remove the protective cover.

[0020] Optionally, a rubber sealing pad is provided on the inner wall of the groove formed on the outer wall of the protective cover, and a hand-pull tab is provided on the outer side of the rubber sealing pad.

[0021] By adopting the above technical solution, the rubber sealing pad can keep the internal structure of the groove in a relatively closed environment, thereby reducing the impact of the external environment on the internal structure of the groove.

[0022] Optionally, second sliding blocks are fixedly mounted on opposite sides of the moving block, and a second sliding groove matched with the second sliding block is provided inside the protective cover.

[0023] By adopting the above technical solution, the second sliding block and the second sliding groove can limit the moving range of the moving block and make the moving block move more smoothly.

[0024] In summary, the utility model has the following beneficial effects:

[0025] 1. The utility model is simple to operate and convenient to use. When in use, the protective cover can protect the lock cylinder, and the baffle on the protective cover can block external dust, impurities, mud and water, thereby reducing the entry of external dust, impurities, mud and water into the lock cylinder. When unlocking, the key can push the baffle through the first inclined surface to squeeze the first spring, thereby unlocking the lock;

[0026] 2. When the protective cover of the utility model is damaged and needs to be replaced, the user only needs to control the movement of the connecting rod, and the connecting rod can control the card block and the card slot on the plug block to separate from each other, so that the user can quickly remove the protective cover for replacement;

[0027] 3. When the protective cover is installed, the protective cover can squeeze the third spring. When the protective cover is removed, when the card block and the card slot on the insert block are separated from each other, the third spring can push the protective cover to move outward, making it convenient for the user to remove the protective cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0029] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model.

[0030] Figure 3 This utility model Figure 2 Enlarged structural diagram at A in the middle.

[0031] Description of reference numerals:

[0032] 1. Lock core; 2. Protective cover; 3. Keyhole; 4. First spring; 5. Block; 6. Sliding mechanism; 61. First slider; 62. First slide groove; 7. First inclined plane; 8. Insert block; 9. Second spring; 10. Moving block; 11. Block; 12. Connecting rod; 13. Second inclined plane; 14. Extrusion block; 15. Third spring; 16. Rubber sealing pad; 17. Second slider. DETAILED DESCRIPTION

[0033] The following is combined with Figure 1-3 This application is described in further detail.

[0034] Please refer to Figure 1 and Figure 2 The lock core accessory structure comprises a lock core 1, a protective cover 2 is arranged on one side of the lock core 1, and a key hole 3 connected to the lock core 1 and the protective cover 2 is opened.

[0035] Please refer to Figure 1-3 A mounting groove connected to the keyhole 3 is provided inside the protective cover 2, a first spring 4 is fixedly installed on the inner wall of the mounting groove provided inside the protective cover 2, a blocking piece 5 is fixedly installed at one end of the first spring 4, and a first inclined surface 7 inclined outward is provided at one end of the blocking piece 5 away from the first spring 4.

[0036] The two opposite sides of the baffle 5 are provided with a sliding mechanism 6, the sliding mechanism 6 includes a first slider 61, one side of the first slider 61 is fixedly connected to the baffle 5, and the interior of the protective cover 2 is provided with a first slide groove 62 adapted to the first slider 61. The first slider 61 and the first slide groove 62 can limit the moving range of the baffle 5 and make the baffle 5 move more smoothly.

[0037] Please refer to Figure 1-3 An insert block 8 is fixedly installed on the outer side of the lock core 1, a slot for inserting the insert block 8 is opened inside the protective cover 2, a second spring 9 is fixedly installed inside the protective cover 2, a moving block 10 is fixedly installed at one end of the second spring 9, a clamping block 11 is fixedly installed on the top of the moving block 10, a clamping slot matched with the clamping block 11 is opened inside the insert block 8, and a connecting rod 12 is fixedly installed on the top of the moving block 10 on one side of the clamping block 11.

[0038] Among them, a second inclined surface 13 facing the lock core 1 is provided on the side of the block 11 close to the plug block 8. When installing the protective cover 2, the plug block 8 can push the block 11 to move through the second inclined surface 13, so that the protective cover 2 can be quickly connected to the lock core 1. A groove is provided on the outer wall of the protective cover 2, and the connecting rod 12 can pass through the inside of the groove and is fixedly connected to the extrusion block 14. The extrusion block 14 can facilitate the staff to push the connecting rod 12 to move. Second sliders 17 are fixedly installed on the opposite sides of the moving block 10, and a second slide groove compatible with the second slider 17 is provided inside the protective cover 2. The second slider 17 and the second slide groove can limit the moving range of the moving block 10 and make the moving block 10 move more smoothly.

[0039] Please refer to Figure 2 The inner wall of the groove formed by the outer wall of the protective cover 2 is provided with a rubber sealing pad 16, and the outer side of the rubber sealing pad 16 is provided with a hand-pull piece. The rubber sealing pad 16 can keep the internal structure of the groove in a relatively closed environment, thereby reducing the influence of the external environment on the internal structure of the groove.

[0040] Please refer to Figure 2A third spring 15 is fixedly installed inside the lock core 1, and one end of the third spring 15 contacts the protective cover 2. When the protective cover 2 is installed, the protective cover 2 can squeeze the third spring 15. When the protective cover 2 is removed, when the card block 11 and the card slot on the insert block 8 are separated from each other, the third spring 15 can push the protective cover 2 to move outward, making it convenient for the user to remove the protective cover 2.

[0041] The implementation principle of the utility model is as follows: when in use, the protective cover 2 can protect the lock core 1, and the baffle 5 on the protective cover 2 can block external dust, impurities, mud and water, thereby reducing the entry of external dust, impurities, mud and water into the lock core 1. When unlocking, the key can push the baffle 5 through the first inclined surface 7 to squeeze the first spring 4, so that the lock can be unlocked;

[0042] When the protective cover 2 is damaged and needs to be replaced, the user can push the extrusion block 14 to move, and the extrusion block 14 can drive the control connecting rod 12 to move, and the connecting rod 12 can push the moving block 10 to squeeze the second spring 9 and drive the card block 11 and the card slot on the insertion block 8 to separate from each other, so that the user can quickly remove the protective cover 2 for replacement.

[0043] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A lock core accessory structure, comprising a lock core (1), characterized in that: A protective cover (2) is provided on one side of the lock core (1), and a key hole (3) communicating with each other is provided on the lock core (1) and the protective cover (2); The protective cover (2) is provided with a mounting groove in communication with the keyhole (3); a first spring (4) is fixedly mounted on the inner wall of the mounting groove in the protective cover (2); a baffle (5) is fixedly mounted on one end of the first spring (4); sliding mechanisms (6) are provided on opposite sides of the baffle (5); and a first inclined surface (7) inclined outwards is provided on one end of the baffle (5) away from the first spring (4); An insert block (8) is fixedly mounted on the outer side surface of the lock core (1); a slot for inserting the insert block (8) is provided inside the protective cover (2); a second spring (9) is fixedly mounted inside the protective cover (2); a moving block (10) is fixedly mounted on one end of the second spring (9); a clamping block (11) is fixedly mounted on the top of the moving block (10); a clamping slot matching the clamping block (11) is provided inside the insert block (8); and a connecting rod (12) is fixedly mounted on the top of the moving block (10) and located on one side of the clamping block (11).

2. The lock core accessory structure according to claim 1, characterized in that: The sliding mechanism (6) comprises a first sliding block (61), one side of the first sliding block (61) is fixedly connected to the blocking piece (5), and a first sliding groove (62) adapted to the first sliding block (61) is provided inside the protective cover (2).

3. The lock core accessory structure according to claim 1, characterized in that: A second inclined surface (13) facing the lock core (1) is formed on a side of the clamping block (11) close to the inserting block (8).

4. The lock core accessory structure according to claim 1, characterized in that: The outer wall of the protective cover (2) is provided with a groove, and the connecting rod (12) can penetrate into the interior of the groove and be fixedly connected to the extrusion block (14).

5. The lock core accessory structure according to claim 1, characterized in that: A third spring (15) is fixedly mounted inside the lock core (1), and one end of the third spring (15) is in contact with the protective cover (2).

6. The lock core accessory structure according to claim 4, characterized in that: A rubber sealing pad (16) is provided on the inner wall of the groove formed on the outer wall of the protective cover (2), and a hand-pull tab is provided on the outer side surface of the rubber sealing pad (16).

7. The lock core accessory structure according to claim 1, characterized in that: Second sliding blocks (17) are fixedly mounted on opposite sides of the moving block (10), and a second sliding groove adapted to match the second sliding blocks (17) is provided inside the protective cover (2).

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