Lock hole protection device

Abstract

The utility model discloses a lockset hole protection device which comprises a lock cylinder protection assembly, the lock cylinder protection assembly comprises a third protection sleeve, the third protection sleeve is designed in a split mode and is formed by combining two sets of symmetrical shells, sliding grooves are formed in the upper side and the lower side of the third protection sleeve, sliding holes are formed in the two sides of the third protection sleeve, and the lock cylinder protection assembly is arranged in the third protection sleeve. A lock body is installed in the sliding hole in a sliding mode, a lock hole is formed in the position, on the front face of the third protective sleeve, of the shell, the position of the lock hole corresponds to the position of a lock hole of the lock cylinder, and a lock hole protection assembly is installed on the third protective sleeve in a sliding mode. According to the lock, a user can unlock the lock without sliding the sliding piece, meanwhile, the user can be prevented from forgetting to push the lock hole protection assembly to protect the lock hole after unlocking, water and dust can be prevented from entering the lock hole by arranging the lock hole protection assembly, and the lock hole is prevented from being blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of locks, in particular to a lock hole protection device. Background Art

[0002] The U-shaped lock is a common lock, which is named after its U-shaped design. It is mainly used to fix or protect bicycles, motorcycles, electric vehicles and other items. Currently, the U-shaped lock is often used outdoors, which causes the keyhole to be easily blocked by dust or wet by rain and rust, thereby causing damage to the lock core. In this regard, a lock hole protection device is proposed to facilitate the protection of the U-shaped lock and prevent the keyhole from being blocked and water ingress.

[0003] After searching, the Chinese patent application number 202123096092.2 discloses a U-shaped lock with a lock hole protection device, including a lock beam, a lock body is provided on the lock beam, a fixed sleeve is fixedly connected to the outer surface of the lock body, a protection plate is fixedly connected to the front of the fixed sleeve, a first cavity is opened inside the protection plate, and a second cavity is opened on one side of the first cavity. The protection device in the above document has the following shortcomings: the device requires pressing the pressing blocks on both sides and pulling the toggle block at the same time, which makes the operation inconvenient. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a lock hole protection device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A lock hole protection device includes a lock core protection component, on which a lock hole protection component is slidably installed. The protection device also includes a lock body, which has a U-shaped structure. A lock core is arranged on the lock body, and the lock core protection component is sleeved on the surface of the lock core. The lock core protection component includes a protective sleeve three, which is a three-part design and is composed of two groups of symmetrical shells. Sliding grooves are arranged on the upper and lower sides of the protective sleeve three, and sliding holes are arranged on both sides of the protective sleeve three. The lock body is slidably installed in the sliding hole. A lock hole is arranged on the shell on the front side of the protective sleeve three, and the position of the lock hole corresponds to the position of the lock hole of the lock core. The lock hole protection component is slidably installed on it.

[0007] As a further solution of the utility model: the lock core protection assembly also includes a fixed ear plate, which is installed on both sides of the two shells of the protective sleeve three. A mounting hole is provided in the fixed ear plate, and the fixed ear plate slides on the lock body through the mounting hole.

[0008] As a further solution of the present utility model: The keyhole protection component includes a sliding member, which is slidably installed on the third protective sleeve. A lever is provided at the top of the sliding member, a hole is provided on the front surface of the sliding member, and mounting grooves are provided on both the upper and lower sides of the hole.

[0009] As a further solution of the present utility model: The keyhole protection component further includes springs. A plurality of springs are provided and installed in the mounting grooves. A limiting ring is installed at the end of the spring, and the limiting ring is of an annular structure.

[0010] As a further solution of the present utility model: The keyhole protection component further includes a baffle, which is slidably installed in the hole above the mounting groove. Pull rods are provided on both the upper and lower sides of the baffle, and grooves are provided at the ends of the pull rods, and the grooves are stuck on the limiting rings.

[0011] As a further solution of the present utility model: The keyhole protection component further includes a cover plate, which is installed at one end of the baffle, and a pull ring is installed on the cover plate.

[0012] As a further solution of the present utility model: The lock core protection component further includes a threaded connection column, which is provided on the sliding hole of the housing at the front end of the third protective sleeve, and a second protective sleeve is installed by threading. The second protective sleeve is made of wear-resistant rubber material.

[0013] As a further solution of the present utility model: The lock core protection component further includes a first protective sleeve, which is sleeved on the U-shaped structure of the lock body. The first protective sleeve is made of wear-resistant rubber material.

[0014] The beneficial effects of the present utility model are:

[0015] By pulling the pull ring, the baffle can be pulled out, and then the key can be used to unlock the lock. When the key leaves the lock core, the baffle is pulled back under the action of the spring to protect the keyhole, which is convenient for the user to unlock the lock without sliding the sliding member. At the same time, it can also prevent the user from forgetting to push the keyhole protection component to protect the keyhole after unlocking. By setting the keyhole protection component, it can prevent water and dust from entering the keyhole and avoid blockage of the keyhole.

[0016] By sliding the keyhole protection component on the lock core protection component, it is convenient to select whether to protect the keyhole according to needs. The third protective sleeve adopts a split structure, which is convenient to install the third protective sleeve on the lock core. The lock body is protected by setting the second protective sleeve and the first protective sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of the present utility model.

[0018] Figure 2 It is an exploded schematic structural diagram of the present utility model.

[0019] Figure 3 This is a schematic structural diagram of the lock core protection component of the present utility model.

[0020] Figure 4 This is a schematic structural diagram of the lock hole protection component of the present utility model.

[0021] Figure 5 This is a schematic enlarged partial structural diagram of the lock hole protection component of the present utility model.

[0022] In the figure: 1 - lock core protection component, 2 - lock hole protection component, 3 - lock body, 4 - lock core, 5 - first protective sleeve, 6 - second protective sleeve, 7 - third protective sleeve, 8 - fixed ear plate, 9 - fixing bolt, 10 - threaded connection column, 11 - sliding groove, 12 - sliding member, 13 - lever, 14 - installation groove, 15 - spring, 16 - limiting ring, 17 - baffle, 18 - cover plate, 19 - pull ring, 20 - pull rod. Specific embodiments

[0023] The technical solution of the present utility model will be further described in detail below in conjunction with specific embodiments.

[0024] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions from beginning to end. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model.

[0025] The lock hole protection device, as Figures 1 - 5 shown, includes a lock core protection component 1. A lock hole protection component 2 is slidably mounted on the lock core protection component 1. The protection device further includes a lock body 3. The lock body 3 has a U-shaped structure. A lock core 4 is provided on the lock body 3. The lock core protection component 1 is sleeved on the surface of the lock core 4. The lock core protection component 1 includes a third protective sleeve 7. The third protective sleeve 7 is designed in a split form and is composed of two groups of symmetric shells. Sliding grooves 11 are provided on the upper and lower sides of the third protective sleeve 7. Sliding holes are provided on both sides of the third protective sleeve 7. The lock body 3 is slidably mounted in the sliding holes. A lock hole is provided on the front shell of the third protective sleeve 7. The position of the lock hole corresponds to the position of the lock hole of the lock core 4. The lock hole protection component 2 is slidably mounted on 00.

[0026] This device is further provided as; as Figure 3 shown, the lock core protection component 1 further includes a fixed ear plate 8. The fixed ear plate 8 is installed on both sides of the two shells of the third protective sleeve 7. An installation hole is provided in the fixed ear plate 8. The fixed ear plate 8 slides on the lock body 3 through the installation hole.

[0027] The device is further configured such that, as Figure 4 shown, the keyhole protection component 2 includes a sliding member 12 which is slidably mounted on the third protective sleeve 7. A lever 13 is provided at the top of the sliding member 12. A hole is provided on the front surface of the sliding member 12, and mounting grooves 14 are provided on both the upper and lower sides of the hole.

[0028] The device is further configured such that, as Figure 5 shown, the keyhole protection component 2 further includes a plurality of springs 15 which are installed in the mounting grooves 14. A limiting ring 16 is installed at the end of each spring 15, and the limiting ring 16 is of an annular structure.

[0029] The device is further configured such that, as Figure 4 shown, the keyhole protection component 2 further includes a baffle 17 which is slidably mounted in the hole above the mounting groove 14. Pull rods 20 are provided on both the upper and lower sides of the baffle 17, and a groove is provided at the end of each pull rod 20, and the groove is stuck on the limiting ring 16.

[0030] The device is further configured such that, as Figure 4 shown, the keyhole protection component 2 further includes a cover plate 18 which is installed at one end of the baffle 17, and a pull ring 19 is installed on the cover plate 18.

[0031] By pulling the pull ring 19, the baffle 17 can be pulled out, and then the key can be used to unlock the lock. When the key leaves the lock core 4, the baffle 17 is pulled back under the action of the spring 15 to protect the keyhole, facilitating the user to unlock the lock without sliding the sliding member 12. At the same time, it can also prevent the user from forgetting to push the keyhole protection component 2 to protect the keyhole after unlocking. By providing the keyhole protection component 2, it is possible to prevent water and dust from entering the keyhole and avoid blockage of the keyhole.

[0032] The device is further configured such that, as Figure 2 、 Figure 3 shown, the lock core protection component 1 further includes a threaded connection column 10 which is provided on the sliding hole of the housing at the front end of the third protective sleeve 7, and a second protective sleeve 6 is threadedly installed thereon. The second protective sleeve 6 is made of wear-resistant rubber material.

[0033] The device is further configured such that, as Figure 2 、 Figure 3 shown, the lock core protection component 1 further includes a first protective sleeve 5 which is sleeved on the U-shaped structure of the lock body 3. The first protective sleeve 5 is made of wear-resistant rubber material.

[0034] The keyhole protection component 2 slides on the lock core protection component 1, facilitating the selection of whether to protect the keyhole as needed. The third protective sleeve 7 adopts a split structure, which is convenient for installing the third protective sleeve 7 on the lock core 4. The second protective sleeve 6 and the first protective sleeve 5 are provided to protect the lock body 3.

[0035] Working principle: The first protective sleeve 5 is sleeved on the lock body 3. The third protective sleeve 7 is installed on the lock core 4 through the fixing bolt 9. The keyhole protection component 2 is installed on the third protective sleeve 7. When it is necessary to protect the keyhole, slide the sliding part 12 so that the hole of the sliding part 12 is located at the keyhole. When unlocking, pull the pull ring 19, insert the key into the keyhole. When the key is withdrawn, the baffle 17 retracts to protect the keyhole and prevent water and dust from entering the keyhole. When it is necessary to protect the lock body 3, rotate the second protective sleeve 6 on the threaded connection post 10.

[0036] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. Lock hole protection device, including a lock core protection component (1), characterized in that, A lock hole protection component (2) is slidably mounted on the lock core protection component (1). The protection device further includes a lock body (3). The lock body (3) is of a U-shaped structure. A lock core (4) is provided on the lock body (3). The lock core protection component (1) is sleeved on the surface of the lock core (4). The lock core protection component (1) includes a third protection sleeve (7). The third protection sleeve (7) is of a split design and is composed of two sets of symmetrical shells. Sliding grooves (11) are provided on the upper and lower sides of the third protection sleeve (7). Sliding holes are provided on both sides of the third protection sleeve (7). The lock body (3) is slidably mounted in the sliding holes. A lock hole is provided on the shell on the front surface of the third protection sleeve (7). The position of the lock hole corresponds to the position of the lock hole of the lock core (4). A lock hole protection component (2) is slidably mounted on (00).

2. The lock hole protection device according to claim 1, characterized in that, The lock core protection component (1) further includes fixed ear plates (8). The fixed ear plates (8) are mounted on both sides of the two shells of the third protection sleeve (7). Mounting holes are provided in the fixed ear plates (8). The fixed ear plates (8) slide on the lock body (3) through the mounting holes.

3. The lock hole protection device according to claim 2, wherein, The lock hole protection component (2) includes a sliding member (12). The sliding member (12) is slidably mounted on the third protection sleeve (7). A lever (13) is provided at the top of the sliding member (12). A hole is provided on the front surface of the sliding member (12). Mounting grooves (14) are provided on the upper and lower sides of the hole.

4. The lock hole protection device according to claim 3, characterized in that, The lock hole protection component (2) further includes springs (15). A plurality of springs (15) are provided. The springs (15) are mounted in the mounting grooves (14). A limiting ring (16) is mounted at the end of the spring (15). The limiting ring (16) is of an annular structure.

5. The lock hole protection device according to claim 4, characterized in that The lock hole protection component (2) further includes a baffle (17). The baffle (17) is slidably mounted in the hole above the mounting groove (14). Pull rods (20) are provided on the upper and lower sides of the baffle (17). Grooves are provided at the ends of the pull rods (20). The grooves are stuck on the limiting ring (16).

6. The lock hole protection device according to claim 5, characterized in that, The lock hole protection component (2) further includes a cover plate (18). The cover plate (18) is mounted at one end of the baffle (17). A pull ring (19) is mounted on the cover plate (18).

7. The lock hole protection device according to claim 6, characterized in that, The lock core protection component (1) further includes a threaded connection column (10). The threaded connection column (10) is provided on the sliding hole of the shell at the front end of the third protection sleeve (7). A second protection sleeve (6) is installed by threading. The second protection sleeve (6) is made of wear-resistant rubber material.

8. The lock hole protection device according to claim 7, characterized in that, The lock core protection component (1) further includes a first protection sleeve (5). The first protection sleeve (5) is sleeved on the U-shaped structure of the lock body (3). The first protection sleeve (5) is made of wear-resistant rubber material.

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