L-shaped portable round square hole key

Abstract

The utility model discloses an L type portable round square hole key, including the key, said key is L type setting, the both ends of said key are connected with round head through cast iron, and the radius of round head is slightly greater than the radius of key. And the use convenience is improved. Besides, the length of the long handle is 10cm, the length of the short handle is 5cm, the key can be easily placed in a spare part bag due to the size design, the problem that a traditional key is difficult to carry is solved, different head shapes and any one side of the L shape can be selected according to actual needs through the key design, and the individual requirements are met. By means of the design, the applicability of the key is improved, and the key can be used for different types of round square hole locks, especially in special environments such as train cabinet doors and the like, and can better meet different operation requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical lock technology field, concretely is a kind of L type portable round square hole key. BACKGROUND

[0002] In urban rail transit equipment, lock is an important part of security. Traditional lock usually adopts rectangular or round keyhole design, which can meet the basic unlocking needs to some extent. However, with the development of technology and the diversification of user needs, traditional lock and key design gradually exposes some limitations, for example, in urban rail transit system, in some special environment or emergency, traditional key may not be portable enough, difficult to operate quickly, in addition, due to space limitation and operation convenience, sometimes a more compact and multifunctional key design is needed to adapt to different locks and operating environments, therefore, for urban rail transit equipment, new portable key should have the following characteristics: compact structure, easy to carry and store, can adapt to different shapes and sizes of lock hole, material is solid and durable, can resist wear and tear in daily use, design is humanized, easy to operate.

[0003] To meet the above needs, the utility model provides a kind of "L" type portable round square hole key, it is through the unique design and material selection, to solve the deficiency of prior art, improve the portability, durability and applicability of key. CONTENT OF UTILITY MODEL

[0004] The utility model aims at providing a kind of L type portable round square hole key to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of L type portable round square hole key, including key, the key is L type setting, the both ends of the key are connected with round head by cast iron, and the radius of round head is slightly greater than the radius of key, the round head is made of high-strength alloy material, two the round head is all set with lock hole, and lock hole is square hole setting.

[0006] Preferably, the longer handle of the key is set to ten centimeters, and the shorter handle is five centimeters.

[0007] Preferably, the key is sleeved with an anti-slip ring at the corner, and the anti-slip ring is made of soft anti-slip rubber material.

[0008] Preferably, the circular head is provided with a mounting cavity, a movable plate is slidably mounted on the inner wall of the mounting cavity, a moving block is mounted on the bottom side of the movable plate, a connecting rod is rotatably mounted on the moving block, a retaining block is rotatably mounted on the other end of the connecting rod, a locking plate is mounted on the retaining block, a magnet block is movably mounted on the bottom side inner wall of the lock hole, a locking groove is formed in the magnet block, and the locking plate is movably mounted on the inner wall of the locking groove.

[0009] Preferably, a positioning plate is mounted on the inner wall of the mounting cavity, a guide rod is slidably mounted on the positioning plate, and a driving block is mounted on the top end of the guide rod.

[0010] Preferably, a spring is sleeved on the guide rod, one end of the spring is mounted on the positioning plate, and the other end of the spring is mounted on the bottom side of the driving block.

[0011] Preferably, a sliding groove is formed in the bottom side inner wall of the mounting cavity, a sliding block is slidably mounted on the inner wall of the sliding groove, and the sliding block is mounted on the bottom side of the locking plate.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] (1) The utility model discloses a key with an "L" type design, which is more compact, and both ends are provided with a head for opening a lock hole, improving the convenience of use. In addition, the longer handle is 10 cm, and the shorter handle is 5 cm. This size design allows the key to be easily placed in a spare parts bag, solving the problem of difficult carrying of traditional keys.

[0014] (2) The key design allows different head shapes and "L" type sides to be selected according to actual needs, meeting individualized needs. This design improves the applicability of the key, which can be used for different types of round square hole locks, especially in special environments such as train cabinet doors, which can better adapt to different operation needs.

[0015] (3) The utility model discloses a key with a circular head made of high-strength alloy material to improve durability and wear resistance. This material selection ensures that the key can withstand frequent friction and wear in daily use, prolonging the service life of the key.

[0016] (4) The utility model discloses a key also includes a anti-slip ring buckle, which is located at the corner of the "L" type main part, facilitating the driver to hold and carry. This design prevents the key from accidentally falling during use, improving the safety and reliability of operation.

[0017] (5) The utility model discloses, two circular head portions are connected through cast iron, so that the key presents stable "L" type structure. This structure design not only enhances the overall strength of the key, but also guarantees stability and reliability in the use process.

[0018] (6) The utility model discloses, the key can be manufactured through casting, forging, stamping or laser cutting etc. various craft, and this provides flexibility for production, and can select suitable manufacturing method according to different production conditions and cost consideration.

[0019] (7) The utility model discloses, through the setting of drive block, spring, guide rod, locking plate, magnet block and locking groove etc. structure, when using, utilize the locking plate and insert into the locking groove on the magnet block, can conveniently fix the magnet block in the lock hole on the circular head and use, when needing to replace, just need to press down drive block to can conveniently separate the locking plate from the magnet block, make the magnet block lose the fetters, and then facilitate the replacement of magnet block, and utilize the setting of spring, can make the magnet block be fixed more firmly after the locking plate and insert into the magnet block. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is main structure schematic diagram of the utility model;

[0021] Figure 2 It is connection structure schematic diagram of circular head, lock hole and magnet block of the utility model;

[0022] Figure 3 It is the utility model's Figure 2 Enlarged structure schematic diagram of part A;

[0023] Figure 4 It is connection structure schematic diagram of sliding block, locking plate and magnet block of the utility model;

[0024] In the drawing: 1, key;2, circular head;3, lock hole;4, magnet block;5, anti-slip ring;6, installation cavity;7, movable plate;8, moving block;9, connecting rod;10, retaining block;11, locking plate;12, positioning plate;13, guide rod;14, drive block;15, spring;16, locking groove;17, sliding groove;18, sliding block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Embodiment 1: Please refer to Figures 1-4 The utility model provides a technical scheme: a kind of L-shaped portable round square hole key, including key (1), the key (1) is arranged as L type, and the both ends of the key (1) are connected with round head (2) by cast iron, and the radius of round head (2) is slightly larger than the radius of key (1), and the round head (2) is made of high-strength alloy material, and the lock hole (3) is set in two round head (2), and lock hole (3) is square hole arrangement, using the setting of high-strength alloy material of round head (2), to improve durability and wear resistance, the longer handle of the key (1) is set ten centimeters, and the shorter handle is five centimeters, it is convenient to put into spare bag, and it is also convenient for staff to take and place, for the lock hole vertically set up or needing greater torque to open, should adopt "L" type longer handle as hand grip part, to reach better lock opening effect, for the lock hole at corner or space limited place, should adopt "L" type shorter handle as hand grip part, avoid that handle is too long and lead to rotation disadvantage, to reach the effect of space rational use, and the manufacturing method of 1 includes casting, forging, stamping or laser cutting process manufacturing, provide flexibility for production, can select suitable manufacturing method according to different production conditions and cost consideration.

[0027] Further, in order to avoid that the outer surface of the key (1) is too smooth, inconvenient to take and use, a slip ring (5) is sleeved on the corner of the key (1), the slip ring (5) is made of soft anti-skid rubber material, which is convenient for the driver to hold and carry.

[0028] Further, in order to facilitate the magnet block (4) firmly fixed on the inner wall of the lock hole (3) for use, avoid falling in the process of use, a mounting cavity (6) is formed on the circular head (2), the inner wall of the mounting cavity (6) is slidably installed with a movable plate (7), the bottom side of the movable plate (7) is installed with a moving block (8), the moving block (8) is rotatably installed with a connecting rod (9), the other end of the connecting rod (9) is rotatably installed with a retaining block (10), the retaining block (10) is installed with a locking plate (11), the bottom side inner wall of the lock hole (3) is movably installed with a magnet block (4), the magnet block (4) is formed with a locking groove (16), the locking plate (11) is movably installed on the inner wall of the locking groove (16), the inner wall of the mounting cavity (6) is installed with a positioning plate (12), the positioning plate (12) is slidably installed with a guide rod (13), the top end of the guide rod (13) is installed with a driving block (14), the driving block (14) is slidably installed on the inner wall of the mounting cavity (6), the bottom end of the guide rod (13) is installed on the movable plate (7), the guide rod (13) is sleeved with a spring (15), one end of the spring (15) is installed on the positioning plate (12), the other end of the spring (15) is installed on the bottom side of the driving block (14), the bottom side inner wall of the mounting cavity (6) is formed with a sliding groove (17), the inner wall of the sliding groove (17) is slidably installed with a sliding block (18), the sliding block (18) is installed on the bottom side of the locking plate (11), the magnet block (4) is arranged in the lock hole (3), the magnet block (4) can bear the weight of the entire key after being attracted by the lock cylinder during use, so as to avoid the key from sliding or re-operating, thereby saving time, the locking plate (11) is inserted into the locking groove (16) on the magnet block (4), the magnet block (4) can be effectively fixed on the inner wall of the lock hole (3) and will not fall off, and the driving block (14) is pressed, the locking plate (11) is separated from the magnet block (4) after the magnetism of the magnet block (4) disappears, the magnet block (4) can be conveniently taken out from the circular head (2), then a magnet block (4) with stronger magnetism is replaced and placed on the inner wall of the lock hole (3) for use.

[0029] The working principle is that before the key (1) is used, the driving block (14) is manually pressed down, the driving block (14) drives the spring (15) to be compressed, the driving block (14) drives the guide rod (13) to move downward, the guide rod (13) drives the movable plate (7) to move, the movable plate (7) drives the moving block (8) to move, the moving block (8) drives the connecting rod (9) to rotate clockwise, the connecting rod (9) drives the retaining block (10) to move to the left side, the retaining block (10) drives the locking plate (11) to move to the left side, then the magnet block (4) is placed into the lock hole (3), at this time, the driving block (14) is only released, the elastic restoring force of the spring (15) drives the driving block (14) to move upward, the driving block (14) drives the guide rod (13) to move, the guide rod (13) drives the movable plate (7) to move upward, the movable plate (7) drives the locking plate (11) on the retaining block (10) to move to the right side, and the locking plate (11) can be quickly inserted into the locking groove (16) on the magnet block (4), so that the position of the magnet block (4) can be fixed conveniently. Then when the key (1) is used to unlock, the magnetic attraction of the magnet block (4) can quickly align the lock cylinder, then the staff can replace the long handle and the short handle on the key (1) according to the actual use environment, so that better unlocking effect can be achieved, and the anti-slip ring (5) can be more convenient and practical for the staff to take and place the key (1), and the hand-off situation in the use process can be avoided.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An L-shaped portable round square hole key, characterized by: The invention comprises a key (1), wherein the key (1) is L-shaped, and both ends of the key (1) are connected to round heads (2) through cast iron, and the radius of the round heads (2) is slightly larger than the radius of the key (1), and the round heads (2) are made of high-strength alloy material. The two round heads (2) are both provided with lock holes (3), and the lock holes (3) are square holes.

2. The L-shaped portable round square hole key according to claim 1, characterized in that: The longer handle of the key (1) is ten centimeters, and the shorter handle is five centimeters.

3. The L-shaped portable round square hole key according to claim 1, characterized in that: An anti-slip ring (5) is sleeved on the corner of the key (1), and the anti-slip ring (5) is made of soft anti-slip rubber material.

4. The L-shaped portable round square hole key according to claim 1, characterized in that: The circular head (2) is provided with an installation cavity (6), a movable plate (7) is slidably installed on the inner wall of the installation cavity (6), a moving block (8) is installed on the bottom side of the movable plate (7), a connecting rod (9) is rotatably installed on the moving block (8), a retaining block (10) is rotatably installed on the other end of the connecting rod (9), a locking plate (11) is installed on the retaining block (10), a magnet block (4) is movably installed on the inner wall of the bottom side of the lock hole (3), a locking groove (16) is provided on the magnet block (4), and the locking plate (11) is movably installed on the inner wall of the locking groove (16).

5. The L-shaped portable round square hole key according to claim 4, characterized in that: A positioning plate (12) is installed on the inner wall of the installation cavity (6), a guide rod (13) is slidably installed on the positioning plate (12), a driving block (14) is installed on the top end of the guide rod (13), the driving block (14) is slidably installed on the inner wall of the installation cavity (6), and the bottom end of the guide rod (13) is installed on the movable plate (7).

6. The L-shaped portable round square hole key according to claim 5, characterized in that: A spring (15) is sleeved on the guide rod (13), one end of the spring (15) is mounted on the positioning plate (12), and the other end of the spring (15) is mounted on the bottom side of the driving block (14).

7. The L-shaped portable round square hole key according to claim 4, characterized in that: A sliding groove (17) is provided on the inner wall of the bottom side of the installation cavity (6), a sliding block (18) is slidably installed on the inner wall of the sliding groove (17), and the sliding block (18) is installed on the bottom side of the locking plate (11).

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