Novel water-leakage-proof silent floor lock
By designing limit blocks, sealing rings and springs in the floor lock, the abnormal noise and water leakage problems caused by gaps in the traditional floor lock are solved, and the silence and leakage protection are achieved, improving safety and user experience.
Patent Information
- Application Number
- CN202421329704.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2035-03-25
AI Technical Summary
There is a gap between the connection between the traditional floor lock screw and the lock body, resulting in obvious abnormal noise when opening and rotating. When water accumulates on the floor, seawater can easily seep into the cabin, causing noise, water leakage and damage, and even related safety accidents.
A new type of water leakage-proof silent floor lock is designed. By setting up a limit block, handle, screw, counterscrew, short nylon sleeve, O-ring, long nylon sleeve and spring structure inside the lock body, the use of knurled pins and nylon gaskets ensures sealing and silentness.
It realizes that the handle opening and closing force is moderate during use, the handle limit is free of collision noise, and it effectively prevents seawater from seeping into the cabin through the floor lock, improving safety and user experience.
Smart Images

Figure CN222823041U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of floor locks, in particular to a novel water-leakage-proof and sound-proof floor lock. Background Art
[0002] The floor lock consists of a lock body, a pull handle, a handle and other parts. The lock body is fixed to the floor, and the pull handle drives the screw handle to rotate, which has the function of locking and opening. It is mostly used on yacht floors and hatches, and can be used to open the locks of movable floors and hatches.
[0003] However, there is a gap between the screw rod and the lock body of the traditional floor lock, and there will be obvious abnormal noise when it is opened and turned. When there is water on the floor, it is easy to penetrate into the lower layer of the yacht along with the floor lock. Since the ship is bumpy during navigation, this phenomenon is particularly obvious. The noise, water leakage and damage caused by the collision between the cabin door and the movable floor and even the occurrence of related safety accidents make the water-proof and silent floor lock a better choice. Therefore, a new type of water-proof and silent floor lock is provided to solve the problems raised in the above background technology. Utility Model Content
[0004] In order to make up for the above shortcomings, the utility model provides a new type of water-leakage-proof and silent floor lock, which aims to solve the problems of the prior art that there is a gap at the connection between the traditional floor lock screw and the lock body, there will be obvious abnormal noise when opening and turning, when there is water on the floor, it is easy to seep into the lower layer of the yacht along with the floor lock, and there will be noise, leakage and damage-related safety accidents caused by the collision between the cabin door and the movable floor.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A new type of water-leakage-proof and silent floor lock comprises a lock body, a handle is arranged inside the lock body, a limit block is arranged inside the lock body, a countersunk screw is connected to the internal thread of the lock body, a short nylon sleeve is arranged inside the cylinder on the back of the lock body, an O-ring is arranged below the short nylon sleeve, a long nylon sleeve is arranged below the O-ring, a spring is arranged below the long nylon sleeve, a screw is arranged below the lock body, and a mounting assembly is arranged below the screw.
[0007] Furthermore, the mounting assembly includes a back plate, which is arranged at the lower part of the lock body, a countersunk bolt is arranged inside the back plate, a mounting nut is arranged on the outer lower side of the screw rod, a tongue is arranged at the lower part of the mounting nut, and a nut is arranged at the lower part of the tongue.
[0008] Furthermore, the tongue piece is arranged outside the screw rod.
[0009] Furthermore, the short nylon sleeve, the O-ring, the long nylon sleeve and the spring are all arranged on the outside of the screw.
[0010] Furthermore, the handle is connected to the screw rod via a knurled pin.
[0011] Furthermore, the mounting nut and the nut are both threadedly connected to the outside of the screw rod.
[0012] Furthermore, the handle is slidably connected to the interior of the lock body.
[0013] The utility model has the following beneficial effects:
[0014] In the utility model, through the cooperation among the lock body, the limit block, the handle, the screw rod, the countersunk screw, the short nylon sleeve, the O-ring and the long nylon sleeve and other structures, the limit block is installed in the semicircular groove on the front side of the lock body and fixed with the countersunk screw; the short nylon sleeve, the O-ring and the long nylon sleeve are installed in sequence in the cylindrical hole on the back side of the lock body; the handle and the screw rod are connected with a knurled pin, the nylon gasket is installed from the threaded end of the screw rod, and then the installed handle screw rod assembly is installed into the lock body from the front side of the lock body. After the installation is in place, a spring is installed on the screw rod from the back side of the lock body, the spring is pressed to install the cotter pin, and two countersunk bolts are used to install it to the back side of the lock body through the back plate. Finally, the nut, the tongue piece and the nut are installed on the screw rod in sequence. When in use, the opening and closing force of the handle is moderate, the handle limit has no collision noise, and seawater can be prevented from penetrating into the cabin through the floor lock. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a front view of a new type of water-leakage-proof and silent floor lock proposed by the utility model;
[0016] Figure 2 This is a side view of a novel water-leakage-proof and silent floor lock proposed by the utility model;
[0017] Figure 3 This is a schematic diagram of the internal structure of the cylinder on the back of the lock body of a new type of water-leakage-proof and silent floor lock proposed by the utility model;
[0018] Figure 4 A top view of a novel water-leakage-proof and silent floor lock proposed by the utility model;
[0019] Figure 5 The utility model is a partial structural schematic diagram of a novel water-leakage-proof and silent floor lock proposed by the utility model.
[0020] Legend:
[0021] 1. Lock body; 2. Limit block; 3. Handle; 4. Screw; 5. Countersunk screw; 6. Short nylon sleeve; 7. O-ring; 8. Long nylon sleeve; 9. Knurled pin; 10. Back plate; 11. Spring; 12. Mounting nut; 13. Tongue; 14. Nut; 15. Countersunk bolt. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] Reference Figure 1 , Figure 2 and Figure 5 , an embodiment provided by the utility model:
[0024] A novel water-leakage-proof and silent floor lock comprises a lock body 1, a handle 3 is arranged inside the lock body 1, a limit block 2 is arranged inside the lock body 1, a countersunk screw 5 is connected to the internal thread of the lock body 1, a short nylon sleeve 6 is arranged inside the back cylinder of the lock body 1, an O-type sealing ring 7 is arranged at the lower part of the short nylon sleeve 6, a long nylon sleeve 8 is arranged at the lower part of the O-type sealing ring 7, a spring 11 is arranged at the lower part of the long nylon sleeve 8, a screw rod 4 is arranged at the lower part of the screw rod 4, and a mounting assembly is arranged at the lower part of the screw rod 4; the mounting assembly comprises a back plate 10, the back plate 10 is arranged at the lower part of the lock body 1, a countersunk bolt 15 is arranged inside the back plate 10, a mounting nut 12 is arranged at the lower side of the outer part of the screw rod 4, a tongue piece 13 is arranged at the lower part of the mounting nut 12, and a nut 14 is arranged at the lower part of the tongue piece 13;
[0025] The limit block 2 is installed in the semicircular groove on the front side of the lock body 1 and fixed with a countersunk screw 5; a short nylon sleeve 6, an O-ring 7 and a long nylon sleeve 8 are installed in sequence in the cylindrical hole on the back side of the lock body 1; the handle 3 is connected to the screw rod 4 with a knurled pin 9, and the nylon gasket is installed from the threaded end of the screw rod 4, and then the installed handle 3 screw rod 4 assembly is installed into the lock body 1 from the front side of the lock body 1. After installation in place, a spring 11 is installed on the screw rod 4 from the back side of the lock body 1, and the cotter pin is installed by pressing the spring 11, and two countersunk bolts 15 are used to install it to the back side of the lock body 1 through the back plate 10, and finally a nut 12, a tongue piece 13 and a nut 14 are installed on the screw rod 4 in sequence. When in use, the opening and closing force of the handle is moderate, the handle limit has no collision noise, and it can prevent seawater from seeping into the cabin through the floor lock.
[0026] Reference Figure 1 , Figure 3 and Figure 4 , the tongue piece 13 is arranged on the outside of the screw rod 4, the short nylon sleeve 6, the O-ring 7, the long nylon sleeve 8 and the spring 11 are all arranged on the outside of the screw rod 4, the mounting nut 12 and the nut 14 are both threadedly connected to the outside of the screw rod 4, and the handle 3 is slidably connected to the inside of the lock body 1;
[0027] It is convenient to install the nuts 12 and 14 at the designated position of the screw 4. The short nylon sleeve 6, O-ring 7, long nylon sleeve 8 and spring 11 are arranged on the outside of the screw 4, and the spring 11 can be compressed to install the cotter pin. The nuts 12 and 14 are connected to the external threads of the screw 4, which makes it convenient to install and fix the tongue 13. The handle 3 slides inside the lock body 1. The handle 3 is opened and closed with moderate force, and the handle 3 is limited without collision noise, and seawater can be prevented from seeping into the cabin through the floor lock.
[0028] Working principle: When using this device, the main body of the floor lock is divided into a lock body 1, a limit block 2, a handle 3, and a screw rod 4. The installation order is to install the limit block 2 into the semicircular groove on the front side of the lock body 1 and fix it with a countersunk screw 5; install a short nylon sleeve 6, an O-ring 7 and a long nylon sleeve 8 in the cylindrical hole on the back side of the lock body 1 in sequence; the handle 3 and the screw rod 4 are connected with a knurled pin 9, and the nylon gasket is installed from the threaded end of the screw rod 4, and then the installed handle 3 screw rod 4 assembly is installed from the front side of the lock body 1 into the lock body 1. After installation in place, a spring 11 is installed on the screw rod 4 from the back side of the lock body 1, and the cotter pin is installed by pressing the spring 11, and two countersunk bolts 15 are used to install it to the back side of the lock body 1 through the back plate 10. Finally, a nut 12, a tongue piece 13, and a nut 14 are installed on the screw rod 4 in sequence. When in use, the opening and closing force of the handle is moderate, the handle limit has no collision noise, and it can prevent seawater from seeping into the cabin through the floor lock.
[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A novel water-leakage-proof and silent floor lock, comprising a lock body (1), characterized in that: A handle (3) is arranged inside the lock body (1), a limit block (2) is arranged inside the lock body (1), a countersunk screw (5) is connected to the internal thread of the lock body (1), a short nylon sleeve (6) is arranged inside the back cylinder of the lock body (1), an O-type sealing ring (7) is arranged below the short nylon sleeve (6), a long nylon sleeve (8) is arranged below the O-type sealing ring (7), a spring (11) is arranged below the long nylon sleeve (8), a screw rod (4) is arranged below the lock body (1), and a mounting assembly is arranged below the screw rod (4).
2. A novel water-proof and silent floor lock according to claim 1, characterized in that: The mounting assembly comprises a back plate (10), the back plate (10) being arranged at the lower part of the lock body (1), a countersunk bolt (15) being arranged inside the back plate (10), a mounting nut (12) being arranged at the lower side of the outer part of the screw rod (4), a tongue piece (13) being arranged at the lower part of the mounting nut (12), and a nut (14) being arranged at the lower part of the tongue piece (13).
3. A novel water-proof and silent floor lock according to claim 2, characterized in that: The tongue (13) is arranged outside the screw rod (4).
4. The novel water-leakage-proof and sound-proof floor lock according to claim 1 is characterized in that: The short nylon sleeve (6), the O-type sealing ring (7), the long nylon sleeve (8) and the spring (11) are all arranged on the outside of the screw rod (4).
5. The novel water-leakage-proof and sound-proof floor lock according to claim 1 is characterized in that: The handle (3) is connected to the screw rod (4) via a knurled pin (9).
6. The novel water-leakage-proof and sound-proof floor lock according to claim 2 is characterized in that: The mounting nut (12) and the nut (14) are both threadedly connected to the outside of the screw rod (4).
7. The novel water-proof and silent floor lock according to claim 1 is characterized by: The handle (3) is slidably connected to the interior of the lock body (1).