Cylindrical lock with lock tongue convenient to replace

Abstract

The utility model discloses a cylindrical lock with a lock tongue convenient to replace, which belongs to the technical field of cylindrical locks and comprises a cylindrical lock body, a lock cylinder is arranged above the cylindrical lock body, a threaded ring is in threaded connection with the lower portion of the cylindrical lock body, and the lock tongue is arranged below the cylindrical lock body. According to the cylindrical lock, the convenient dismounting and mounting assembly is arranged at the joint of the cylindrical lock body and the spring bolt, and the protection assembly is arranged above the lock cylinder, so that the spring bolt can be rapidly replaced, the structure is convenient to use and simple to use, dismounting and mounting of the spring bolt can be easily completed without the help of external tools, and the cost is reduced. By arranging the protection assembly, the waterproof and dustproof effects on the lock cylinder can be achieved when the device is conveniently arranged outdoors for use, dust and rainwater are prevented from affecting use of the lock cylinder, and the use practicability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cylindrical locks, and particularly relates to a cylindrical lock convenient for replacing a lock tongue. Background Art

[0002] A cylindrical lock is a common mechanical lock, which is widely used in door lock systems of families, offices and commercial places; it gets its name from the shape of its inner lock core, which is usually cylindrical. The advantages of cylindrical locks include simple installation, easy operation, durability and reliability, as well as high security; they are widely used in various door lock systems to provide basic security protection and access control.

[0003] Chinese Patent Application No. 202322488361.2 discloses a cylindrical lock convenient for replacing a lock tongue, which includes a housing and a limiting mechanism. Housing: A lock core is arranged in its inner cavity, a lock tongue is movably sleeved on the lower end of the outer arc surface of the lock core, and a threaded ring is threadedly connected to the outer arc surface of the housing; Limiting mechanism: It includes a limiting chuck, and the limiting chucks are respectively slidably connected to the inner arc surfaces of the lower end cavity of the lock core in a uniformly distributed manner in a circular shape, and limiting grooves corresponding to the limiting chucks one by one are arranged on the inner arc surface of the lock tongue. The lock tongue can be quickly disassembled with just one press. For this cylindrical lock convenient for replacing a lock tongue, by inserting a screwdriver into the circular through-hole, the lock tongue can be quickly disassembled with just one press, making the replacement of the lock tongue convenient and fast. At the same time, it can also maintain the stability of the lock tongue during daily use, ensuring that the cylindrical lock operates flexibly and accurately.

[0004] For the above-mentioned disclosed patent, 1. When in use, the lock tongue can be conveniently replaced through the limiting mechanism. However, when in use, it has many structures and is relatively complex, and a screwdriver is also needed to complete the disassembly and assembly. Therefore, this structure is not very practical; 2. When in use, when the device is set outdoors, it is inconvenient to protect the lock core. Summary of the Utility Model

[0005] To solve the problems raised in the above background art. The utility model provides a cylindrical lock convenient for replacing a lock tongue, which has the characteristics of being able to quickly replace the lock tongue, not requiring external equipment, and being convenient for protecting the lock core from water and dust when the device is set outdoors.

[0006] To achieve the above object, the utility model provides the following technical solution: A cylindrical lock convenient for replacing a lock tongue, which includes a cylindrical lock body. A lock core is arranged above the cylindrical lock body, a threaded ring is threadedly connected to the lower part of the cylindrical lock body, a lock tongue is arranged below the cylindrical lock body, a convenient disassembly and assembly component is arranged at the connection between the cylindrical lock body and the lock tongue, and a protection component is arranged above the lock core.

[0007] Preferably, the convenient disassembly and assembly component includes a disassembly and assembly seat, a fixing rod, a push rod, a fixing slider, a fixing spring, and an anti-rebound component. Among them, the disassembly and assembly seat is arranged below the cylindrical lock body. A fixing rod is arranged inside the disassembly and assembly seat. A fixing slider is arranged above the fixing rod. A fixing spring is arranged on one side of the fixing slider. A push rod is arranged at one end of the fixing rod. An anti-rebound component is arranged on one side of the push rod.

[0008] Preferably, the anti-rebound component includes a limit block, a limit slider, a limit slide rod, and a ball. Among them, the limit block is arranged on one side of the push rod. A limit slider is arranged on one side of the limit block. A limit slide rod slides in the middle of the limit slider. A ball is arranged on the other side of the limit block.

[0009] Preferably, a positioning block is arranged on one side of the disassembly and assembly seat. A positioning groove for cooperating with the positioning block is opened inside one end of the lock tongue.

[0010] Preferably, the protection component includes a mounting seat, a protection seat, a fixing bolt, a protection cover, and a rubber connecting rope. Among them, the mounting seat is arranged above the cylindrical lock body. A protection seat is arranged above the mounting seat. A fixing bolt is arranged at the connection between the mounting seat and the protection seat. A protection cover is arranged above the protection seat. A rubber connecting rope is arranged at one end of the protection cover.

[0011] Preferably, a threaded hole for cooperating with the fixing bolt is opened on one side of the mounting seat. A support rod is arranged above the protection cover.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. By setting the convenient disassembly and assembly component, the present utility model realizes the ability to quickly replace the lock tongue. This structure is convenient to use, simple in structure, and does not require external tools to easily complete the disassembly and assembly of the lock tongue.

[0014] 2. By setting the protection component, when the device is used outdoors, the present utility model realizes the effect of waterproofing and dustproofing the lock core, preventing dust and rain from affecting the use of the lock core, and improving the practicality of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the whole of the present utility model;

[0016] Figure 2 is a schematic structural diagram of the main view section of the present utility model;

[0017] Figure 3 is a schematic structural diagram of the convenient disassembly and assembly component of the present utility model;

[0018] Figure 4 is a schematic structural diagram of the anti-rebound component of the present utility model;

[0019] Figure 5 This is a schematic structural view of the protection component of the present utility model.

[0020] In the figure: 1. Cylindrical lock body; 2. Lock core; 3. Threaded ring; 4. Lock tongue; 5. Convenient disassembly and assembly component; 51. Disassembly and assembly seat; 52. Fixed rod; 53. Push rod; 54. Fixed slider; 55. Fixed spring; 56. Anti-rebound component; 561. Limit block; 562. Limit slider; 563. Limit slide bar; 564. Ball; 6. Protection component; 61. Mounting seat; 62. Protection seat; 63. Fixed bolt; 64. Protection cover; 65. Rubber connecting rope. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0022] Embodiment 1

[0023] Please refer to Figures 1-5 , the present utility model provides the following technical solutions: A cylindrical lock that is convenient for replacing the lock tongue, including a cylindrical lock body 1, a lock core 2 is arranged above the cylindrical lock body 1, a threaded ring 3 is threadedly connected below the cylindrical lock body 1, a lock tongue 4 is arranged below the cylindrical lock body 1, a convenient disassembly and assembly component 5 is arranged at the connection between the cylindrical lock body 1 and the lock tongue 4, and a protection component 6 is arranged above the lock core 2.

[0024] Specifically, the convenient disassembly and assembly component 5 includes a disassembly and assembly seat 51, a fixed rod 52, a push rod 53, a fixed slider 54, a fixed spring 55 and an anti-rebound component 56. Among them, the disassembly and assembly seat 51 is arranged below the cylindrical lock body 1, a fixed rod 52 is arranged inside the disassembly and assembly seat 51, a fixed slider 54 is arranged above the fixed rod 52, a fixed spring 55 is arranged on one side of the fixed slider 54, a push rod 53 is arranged at one end of the fixed rod 52, and an anti-rebound component 56 is arranged on one side of the push rod 53.

[0025] By adopting the above technical solution, pushing the push rod 53, the push rod 53 drives the fixed rod 52 to move, the movement of the fixed rod 52 drives the fixed slider 54 to move and compress the fixed spring 55, so that the fixed rod 52 disengages from the fixing hole, and then the lock tongue 4 can be removed, so that when the device is in use, the lock tongue 4 can be quickly replaced without the need to rely on external equipment, improving the practicality of use.

[0026] Specifically, the anti-rebound component 56 includes a limit block 561, a limit slider 562, a limit slide bar 563, and a ball 564. Among them, the limit block 561 is arranged on one side of the push rod 53. A limit slider 562 is arranged on one side of the limit block 561. A limit slide bar 563 slides in the middle of the limit slider 562. A ball 564 is arranged on the other side of the limit block 561.

[0027] By adopting the above technical solution, when the push rod 53 moves to the maximum limit, it pushes the limit block 561 to move upward, making it insert into the disassembly and assembly seat 51. Then, the push rod 53 is released, and the push rod 53 returns to a certain position, so that the limit block 561 limits the push rod 53 to prevent it from rebounding. The ball 564 facilitates the stable sliding of the limit block 561 when it is pulled out.

[0028] Specifically, a positioning block is arranged on one side of the disassembly and assembly seat 51, and a positioning groove for cooperating with the positioning block is opened inside one end of the lock tongue 4.

[0029] By adopting the above technical solution, the cooperation of the positioning block and the positioning groove facilitates the positioning of the lock tongue 4 when the lock tongue 4 is installed.

[0030] When this embodiment is in use: Push the push rod 53, the push rod 53 drives the fixed rod 52 to move, the fixed rod 52 moves to drive the fixed slider 54 to move and compress the fixed spring 55, so that the fixed rod 52 disengages from the fixed hole, and then the lock tongue 4 can be removed. When the push rod 53 moves to the maximum limit, it pushes the limit block 561 to move upward, making it insert into the disassembly and assembly seat 51. Then, the push rod 53 is released, and the push rod 53 returns to a certain position, so that the limit block 561 limits the push rod 53 to prevent it from rebounding. The ball 564 facilitates the stable sliding of the limit block 561 when it is pulled out, enabling the device to quickly replace the lock tongue 4 during use without the need to rely on external equipment, improving the practicality of use.

[0031] Embodiment 2

[0032] The difference between this embodiment and Embodiment 1 is: Specifically, the protection component 6 includes a mounting seat 61, a protection seat 62, a fixing bolt 63, a protection cover 64, and a rubber connecting rope 65. Among them, the mounting seat 61 is arranged above the cylindrical lock body 1. A protection seat 62 is arranged above the mounting seat 61. A fixing bolt 63 is arranged at the connection between the mounting seat 61 and the protection seat 62. A protection cover 64 is arranged above the protection seat 62. A rubber connecting rope 65 is arranged at one end of the protection cover 64.

[0033] By adopting the above technical solution, the protective seat 62 is sleeved on the mounting seat 61, and then the protective seat 62 is fixed by the fixing bolt 63, so that the lock core 2 can be protected by the protective cover 64. When the protective cover 64 needs to be opened, it can be directly pulled up. The rubber connecting rope 65 is convenient for preventing the protective cover 64 from being lost, so that when the device is in use and is set outdoors, it can waterproof and dustproof the lock core 2, improving the practicality of use.

[0034] Specifically, a threaded hole for mating with the fixing bolt 63 is provided on one side of the mounting seat 61, and a support rod is arranged above the protective cover 64.

[0035] By adopting the above technical solution, the threaded hole facilitates the insertion of the fixing bolt 63 to fix the protective seat 62, and the arrangement of the support rod makes it convenient to open the protective cover 64.

[0036] In the use of this embodiment: The protective seat 62 is sleeved on the mounting seat 61, and then the protective seat 62 is fixed by the fixing bolt 63, so that the lock core 2 can be protected by the protective cover 64. When the protective cover 64 needs to be opened, it can be directly pulled up. The rubber connecting rope 65 is convenient for preventing the protective cover 64 from being lost, so that when the device is in use and is set outdoors, it can waterproof and dustproof the lock core 2, improving the practicality of use.

[0037] The structures and operating principles of the cylindrical lock body 1, the lock core 2 and the lock tongue 4 in the present utility model have been disclosed in a cylindrical lock convenient for replacing the lock tongue with Chinese Patent Application No. 202322488361.2. Its working principle is that the cylindrical lock body 1 is placed at the using position, and then it is fixed by the threaded ring 3, and then it can be used.

[0038] Working principle and usage process of the present utility model: For the present utility model, place the cylindrical lock body 1 in the position of use, and then fix it through the thread ring 3, and then it can be used. During use, the protection component 6 can waterproof and dustproof the lock core 2. The convenient disassembly and assembly component 5 can quickly disassemble and assemble the lock tongue 4 and replace the lock tongue 4. When the convenient disassembly and assembly component 5 is in use, push the push rod 53. The push rod 53 drives the fixed rod 52 to move. The movement of the fixed rod 52 drives the fixed slider 54 to move and compress the fixed spring 55, so that the fixed rod 52 disengages from the fixed hole, and then the lock tongue 4 can be removed. When the push rod 53 moves to the maximum limit, push the limit block 561 to move upward so that it inserts into the disassembly and assembly seat 51. Then release the push rod 53, and the push rod 53 returns to a certain position, so that the limit block 561 limits the push rod 53 to prevent it from rebounding. The ball 564 facilitates the stable sliding of the limit block 561 when it is pulled out, enabling the device to quickly replace the lock tongue 4 during use without the need to rely on external equipment, improving the practicality of use. When the protection component 6 is in use, the protection seat 62 is sleeved on the installation seat 61, and then the protection seat 62 is fixed through the fixing bolt 63, so that the lock core 2 can be protected by the protection cover 64. When it is necessary to open the protection cover 64, just pull it up directly. The rubber connecting rope 65 facilitates preventing the protection cover 64 from being lost, enabling the device to be waterproof and dustproof at the lock core 2 when it is set outdoors during use, improving the practicality of use.

[0039] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A cylindrical lock for convenient replacement of a lock tongue, comprising a cylindrical lock body, characterized in that: A lock core is arranged above the cylindrical lock body, a threaded ring is threadedly connected below the cylindrical lock body, a lock tongue is arranged below the cylindrical lock body, a convenient disassembly and assembly component is arranged at the connection between the cylindrical lock body and the lock tongue, and a protective component is arranged above the lock core.

2. A cylindrical lock with convenient replacement of lock tongue according to claim 1, characterized in that: The convenient disassembly and assembly component includes a disassembly and assembly seat, a fixed rod, a push rod, a fixed slider, a fixed spring and an anti-rebound component, wherein the disassembly and assembly seat is arranged below the cylindrical lock body, the fixed rod is arranged inside the disassembly and assembly seat, the fixed rod is arranged above the fixed rod, a fixed slider is arranged on one side of the fixed slider, a push rod is arranged at one end of the fixed rod, and the anti-rebound component is arranged on one side of the push rod.

3. A cylindrical lock with convenient replacement of lock tongue according to claim 2, characterized in that: The anti-rebound component includes a limit block, a limit slider, a limit slide rod and a ball, wherein the limit block is arranged on one side of the push rod, the limit slider is arranged on one side of the limit block, the limit slide rod slides in the middle of the limit slider, and the ball is arranged on the other side of the limit block.

4. A cylindrical lock with convenient replacement of lock tongue according to claim 2, characterized in that: A positioning block is arranged on one side of the disassembly and assembly seat, and a positioning groove cooperating with the positioning block is arranged inside one end of the lock tongue.

5. The cylindrical lock with convenient replacement of the lock tongue according to claim 1, characterized in that: The protection assembly includes a mounting seat, a protection seat, a fixing bolt, a protection cover and a rubber connecting rope, wherein the mounting seat is arranged above the cylindrical lock body, the protection seat is arranged above the mounting seat, a fixing bolt is arranged at the connection between the mounting seat and the protection seat, a protection cover is arranged above the protection seat, and a rubber connecting rope is arranged at one end of the protection cover.

6. A cylindrical lock with convenient replacement of lock tongue according to claim 5, characterized in that: A threaded hole matching a fixing bolt is provided on one side of the mounting seat, and a support rod is provided above the protective cover.

Images